[795] | 1 | <?php |
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| 2 | require_once(GALAXIA_LIBRARY.SEP.'src'.SEP.'ProcessManager'.SEP.'BaseManager.php'); |
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| 3 | /** |
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| 4 | * Handles process activities and transitions. |
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| 5 | * This class is used to add, remove, modify and list |
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| 6 | * activities used in the Workflow engine. |
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| 7 | * Activities are managed in a per-process level, each |
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| 8 | * activity belongs to some process. |
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| 9 | * |
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| 10 | * @package Galaxia |
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| 11 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 12 | * @todo Build real process graph |
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| 13 | */ |
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| 14 | class ActivityManager extends BaseManager { |
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| 15 | /** |
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| 16 | * @var object $process_manager ProcessManager instance used sometimes by this object |
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| 17 | * @access public |
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| 18 | */ |
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| 19 | var $process_manager; |
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| 20 | |
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| 21 | /** |
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| 22 | * Constructor |
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| 23 | * |
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| 24 | * @param object &$db ADOdb Used to manipulate activities in the database |
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| 25 | * @return object ActivityManager instance |
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| 26 | * @access public |
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| 27 | */ |
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[3167] | 28 | function ActivityManager() |
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[795] | 29 | { |
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[3167] | 30 | parent::BaseManager(); |
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[795] | 31 | $this->child_name = 'ActivityManager'; |
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| 32 | require_once(GALAXIA_LIBRARY.SEP.'src'.SEP.'ProcessManager' .SEP . 'ProcessManager.php'); |
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| 33 | //$this->process_manager is not set here to avoid object A loading objetc B loading object A, etc... |
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| 34 | |
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| 35 | } |
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| 36 | |
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| 37 | /** |
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| 38 | * Collect errors from all linked objects which could have been used by this object. |
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| 39 | * Each child class should instantiate this function with her linked objetcs, calling get_error(true) |
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| 40 | * |
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| 41 | * @param bool $debug False by default, if true debug messages can be added to 'normal' messages |
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| 42 | * @param string $prefix Appended to the debug message |
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| 43 | * @return void |
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| 44 | * @access public |
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| 45 | */ |
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| 46 | function collect_errors($debug=false, $prefix='') |
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| 47 | { |
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| 48 | parent::collect_errors($debug, $prefix); |
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| 49 | if (isset($this->process_manager)) $this->error[] = $this->process_manager->get_error(false, $debug, $prefix); |
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| 50 | } |
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| 51 | |
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| 52 | /** |
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| 53 | * Binds an activity to a role |
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| 54 | * |
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| 55 | * @param int $activityId |
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| 56 | * @param int $roleId |
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| 57 | * @param bool $readonly False by default, if true the role will be in read-only mode |
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| 58 | * @access public |
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| 59 | * @return void |
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| 60 | */ |
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| 61 | function add_activity_role($activityId, $roleId, $readonly = false) |
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| 62 | { |
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| 63 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activity_roles where wf_activity_id=? and wf_role_id=?'; |
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| 64 | $this->query($query,array($activityId, $roleId)); |
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| 65 | $query = 'insert into '.GALAXIA_TABLE_PREFIX.'activity_roles (wf_activity_id,wf_role_id,wf_readonly) values(?,?,?)'; |
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| 66 | $this->query($query,array($activityId, $roleId, (int)$readonly)); |
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| 67 | } |
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| 68 | |
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| 69 | /** |
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| 70 | * Gets the roles bound to an activity |
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| 71 | * |
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| 72 | * @param int $activityId |
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| 73 | * @return array |
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| 74 | * @access public |
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| 75 | */ |
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| 76 | function get_activity_roles($activityId) { |
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| 77 | $query = 'select wf_activity_id,roles.wf_role_id,roles.wf_name, wf_readonly |
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| 78 | from '.GALAXIA_TABLE_PREFIX.'activity_roles gar |
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| 79 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'roles roles on gar.wf_role_id = roles.wf_role_id |
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| 80 | where wf_activity_id=?'; |
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| 81 | $result = $this->query($query,array($activityId)); |
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| 82 | $ret = Array(); |
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| 83 | if (!(empty($result))) |
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| 84 | { |
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| 85 | while($res = $result->fetchRow()) |
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| 86 | { |
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| 87 | $ret[] = $res; |
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| 88 | } |
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| 89 | } |
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| 90 | return $ret; |
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| 91 | } |
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| 92 | |
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| 93 | /** |
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| 94 | * Unbinds a role from an activity |
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| 95 | * |
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| 96 | * @param int $activityId |
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| 97 | * @param int $roleId |
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| 98 | * @return void |
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| 99 | * @access public |
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| 100 | */ |
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| 101 | function remove_activity_role($activityId, $roleId) |
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| 102 | { |
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| 103 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activity_roles |
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| 104 | where wf_activity_id=? and wf_role_id=?'; |
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| 105 | $this->query($query, array($activityId,$roleId)); |
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| 106 | } |
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| 107 | |
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| 108 | /** |
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| 109 | * Removes an user from all fields where he could be on every activities. |
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| 110 | * |
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| 111 | * @param int $user User id |
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| 112 | * @return void |
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| 113 | * @access public |
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| 114 | */ |
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| 115 | function remove_user($user) |
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| 116 | { |
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| 117 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_default_user=? where wf_default_user=?'; |
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| 118 | $this->query($query,array('',$user)); |
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| 119 | } |
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| 120 | |
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| 121 | /** |
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| 122 | * Transfers all references to one user to another one in the activities |
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| 123 | * |
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| 124 | * @param array $user_array Associative, keys are: 'old_user' is current user id and 'new_user' the new user id |
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| 125 | * @return void |
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| 126 | * @access public |
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| 127 | */ |
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| 128 | function transfer_user($user_array) |
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| 129 | { |
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| 130 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_default_user=? where wf_default_user=?'; |
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| 131 | $this->query($query,array($user_array['new_user'],$user_array['old_user'])); |
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| 132 | } |
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| 133 | |
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| 134 | /** |
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| 135 | * Checks if a transition exists |
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| 136 | * |
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| 137 | * @param int $pid Process id |
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| 138 | * @param int $actFromId Id for starting activity |
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| 139 | * @param int $actToId Id for end activity |
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| 140 | * @return bool |
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| 141 | * @access public |
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| 142 | */ |
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| 143 | function transition_exists($pid,$actFromId,$actToId) |
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| 144 | { |
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| 145 | return($this->getOne('select count(*) from |
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| 146 | '.GALAXIA_TABLE_PREFIX.'transitions where wf_p_id=? and wf_act_from_id=? and wf_act_to_id=?', |
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| 147 | array($pid,$actFromId,$actToId) |
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| 148 | )); |
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| 149 | } |
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| 150 | |
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| 151 | /** |
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| 152 | * Adds a transition |
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| 153 | * |
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| 154 | * @param int $pId Process id |
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| 155 | * @param int $actFromId Id for starting activity |
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| 156 | * @param int $actToId Id for end activity |
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| 157 | * @return bool |
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| 158 | * @access public |
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| 159 | */ |
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| 160 | function add_transition($pId, $actFromId, $actToId) |
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| 161 | { |
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| 162 | // No circular transitions allowed |
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| 163 | if($actFromId == $actToId) { |
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| 164 | $this->error[] = tra('No circular transitions allowed.'); |
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| 165 | return false; |
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| 166 | } |
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| 167 | |
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| 168 | // Rule: if act is not spl-x or spl-a it can't have more than |
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| 169 | // 1 outbound transition. |
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| 170 | $a1 = $this->get_activity($actFromId); |
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| 171 | $a2 = $this->get_activity($actToId); |
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| 172 | if(!$a1 || !$a2) { |
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| 173 | $this->error[] = tra('No activites'); |
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| 174 | return false; |
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| 175 | } |
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| 176 | if($a1['wf_type'] != 'switch' && $a1['wf_type'] != 'split') { |
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| 177 | if($this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'transitions where wf_act_from_id=?', array($actFromId)) > 1) { |
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| 178 | $this->error[] = tra('Cannot add transition only split or switch activities can have more than one outbound transition'); |
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| 179 | return false; |
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| 180 | } |
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| 181 | } |
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| 182 | |
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| 183 | // Rule: if act is standalone or view no transitions allowed |
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| 184 | if(($a1['wf_type'] == 'standalone' || $a2['wf_type']=='standalone') || ($a1['wf_type'] == 'view' || $a2['wf_type']=='view') ) |
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| 185 | { |
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| 186 | $this->error[] = tra('No transitions allowed for standalone or view activities'); |
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| 187 | return false; |
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| 188 | } |
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| 189 | // No inbound to start |
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| 190 | if($a2['wf_type'] == 'start') { |
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| 191 | $this->error[] = tra('No inbound for start activity'); |
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| 192 | return false; |
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| 193 | } |
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| 194 | // No outbound from end |
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| 195 | if($a1['wf_type'] == 'end') { |
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| 196 | $this->error[] = tra('No outbound for end activity'); |
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| 197 | return false; |
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| 198 | } |
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| 199 | |
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| 200 | |
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| 201 | $query = 'delete from `'.GALAXIA_TABLE_PREFIX.'transitions` where `wf_act_from_id`=? and `wf_act_to_id`=?'; |
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| 202 | $this->query($query,array($actFromId, $actToId)); |
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| 203 | $query = 'insert into `'.GALAXIA_TABLE_PREFIX.'transitions`(`wf_p_id`,`wf_act_from_id`,`wf_act_to_id`) values(?,?,?)'; |
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| 204 | $this->query($query,array($pId, $actFromId, $actToId)); |
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| 205 | |
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| 206 | return true; |
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| 207 | } |
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| 208 | |
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| 209 | /** |
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| 210 | * Removes a transition |
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| 211 | * |
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| 212 | * @param int $actFromId Id for starting activity |
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| 213 | * @param int $actToId Id for end activity |
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| 214 | * @return bool |
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| 215 | * @access public |
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| 216 | */ |
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| 217 | function remove_transition($actFromId, $actToId) |
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| 218 | { |
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| 219 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'transitions where wf_act_from_id=? and wf_act_to_id=?'; |
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| 220 | $this->query($query, array($actFromId,$actToId)); |
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| 221 | return true; |
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| 222 | } |
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| 223 | |
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| 224 | /** |
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| 225 | * Removes all activity transitions |
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| 226 | * |
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| 227 | * @param int $pId Process id |
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| 228 | * @param int $aid Activity id |
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| 229 | * @return void |
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| 230 | * @access public |
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| 231 | */ |
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| 232 | function remove_activity_transitions($pId, $aid) |
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| 233 | { |
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| 234 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'transitions where wf_p_id=? and (wf_act_from_id=? or wf_act_to_id=?)'; |
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| 235 | $this->query($query,array($pId,$aid,$aid)); |
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| 236 | } |
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| 237 | |
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| 238 | /** |
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| 239 | * Returns all process's transitions |
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| 240 | * |
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| 241 | * @param int $pId Process id |
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| 242 | * @param int $actid Activity id |
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| 243 | * @return array |
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| 244 | * @access public |
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| 245 | */ |
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| 246 | function get_process_transitions($pId,$actid=0) |
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| 247 | { |
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| 248 | $bindvars = Array(); |
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| 249 | $bindvars[] = $pId; |
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| 250 | if(!$actid) { |
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| 251 | $query = 'select a1.wf_name as wf_act_from_name, a2.wf_name as wf_act_to_name, wf_act_from_id, wf_act_to_id |
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| 252 | from '.GALAXIA_TABLE_PREFIX.'transitions gt |
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| 253 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a1 ON gt.wf_act_from_id = a1.wf_activity_id |
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| 254 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a2 ON gt.wf_act_to_id = a2.wf_activity_id |
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| 255 | where gt.wf_p_id = ?'; |
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| 256 | } else { |
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| 257 | $query = 'select a1.wf_name as wf_act_from_name, a2.wf_name as wf_act_to_name, wf_act_from_id, wf_act_to_id |
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| 258 | from '.GALAXIA_TABLE_PREFIX.'transitions gt |
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| 259 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a1 ON gt.wf_act_from_id = a1.wf_activity_id |
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| 260 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a2 ON gt.wf_act_to_id = a2.wf_activity_id |
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| 261 | where gt.wf_p_id = ? |
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| 262 | and (wf_act_from_id = ?)'; |
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| 263 | $bindvars[] = $actid; |
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| 264 | } |
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| 265 | $result = $this->query($query, $bindvars, -1, -1, true, 'a1.wf_flow_num'); |
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| 266 | $ret = Array(); |
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| 267 | if (!(empty($result))) |
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| 268 | { |
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| 269 | while($res = $result->fetchRow()) |
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| 270 | { |
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| 271 | $ret[] = $res; |
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| 272 | } |
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| 273 | } |
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| 274 | return $ret; |
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| 275 | } |
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| 276 | |
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| 277 | /** |
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| 278 | * Indicates whether an activity is autoRouted |
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| 279 | * |
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| 280 | * @param int $actid Activity id |
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| 281 | * @return bool |
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| 282 | * @access public |
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| 283 | */ |
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| 284 | function activity_is_auto_routed($actid) |
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| 285 | { |
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| 286 | return($this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'activities where wf_activity_id=? and wf_is_autorouted=?', array($actid,'y'))); |
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| 287 | } |
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| 288 | |
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| 289 | /** |
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| 290 | * Returns process's activities |
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| 291 | * |
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| 292 | * @param int pId Process id |
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| 293 | * @return array |
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| 294 | * @access public |
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| 295 | */ |
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| 296 | function get_process_activities($pId) |
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| 297 | { |
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| 298 | $query = 'select * from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=?'; |
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| 299 | $result = $this->query($query, array($pId)); |
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| 300 | $ret = Array(); |
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| 301 | if (!(empty($result))) |
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| 302 | { |
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| 303 | while($res = $result->fetchRow()) |
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| 304 | { |
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| 305 | $ret[] = $res; |
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| 306 | } |
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| 307 | } |
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| 308 | return $ret; |
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| 309 | } |
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| 310 | /** |
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| 311 | * Returns a set of activities that may have transitions, i.e., non-standalone/view activities |
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| 312 | * |
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| 313 | * @param int $pId Process id |
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| 314 | * @param bool $type_exclusion Type to exclude from the result |
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| 315 | * @return array Activities set in ['data'] and count in ['cant'] |
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| 316 | * @access public |
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| 317 | */ |
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| 318 | function &get_transition_activities($pId, $type_exclusion = false) |
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| 319 | { |
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| 320 | $where = ''; |
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| 321 | $wheres = array(); |
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| 322 | $wheres[] = "wf_type <> 'standalone'"; |
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| 323 | $wheres[] = "wf_type <> 'view'"; |
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| 324 | |
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| 325 | if( $type_exclusion ) |
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| 326 | { |
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| 327 | $wheres[] = "wf_type <> '".$type_exclusion."'"; |
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| 328 | } |
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| 329 | $where = implode(' and ', $wheres); |
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| 330 | |
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| 331 | return $this->list_activities($pId, 0, -1, 'wf_flow_num__asc', '', $where); |
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| 332 | } |
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| 333 | |
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| 334 | /** |
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| 335 | * Returns a set of activities having transitions |
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| 336 | * |
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| 337 | * @param int $pId Process id |
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| 338 | * @return array Activities set, with activities set in ['data'] and count in ['cant'] |
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| 339 | * @access public |
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| 340 | */ |
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| 341 | function get_process_activities_with_transitions($pId) |
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| 342 | { |
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| 343 | $query = 'select distinct a1.wf_name as wf_name, a1.wf_activity_id as wf_activity_id, a1.wf_flow_num |
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| 344 | from '.GALAXIA_TABLE_PREFIX.'transitions gt |
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| 345 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a1 ON gt.wf_act_from_id = a1.wf_activity_id |
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| 346 | INNER JOIN '.GALAXIA_TABLE_PREFIX.'activities a2 ON gt.wf_act_to_id = a2.wf_activity_id |
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| 347 | where gt.wf_p_id = ? '; |
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| 348 | $result = $this->query($query, array($pId), -1, -1, true, ' a1.wf_flow_num'); |
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| 349 | $ret = Array(); |
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| 350 | if (!(empty($result))) |
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| 351 | { |
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| 352 | while($res = $result->fetchRow()) |
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| 353 | { |
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| 354 | $ret[] = $res; |
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| 355 | } |
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| 356 | } |
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| 357 | $retval = Array(); |
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| 358 | $retval['data'] = $ret; |
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| 359 | $retval['cant'] = count($ret); |
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| 360 | return $retval; |
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| 361 | } |
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| 362 | |
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| 363 | /** |
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| 364 | * Builds process graph |
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| 365 | * |
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| 366 | * @param int $pId Process id |
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| 367 | * @return bool |
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| 368 | * @access public |
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| 369 | */ |
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| 370 | function build_process_graph($pId) |
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| 371 | { |
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[3167] | 372 | if (!(isset($this->process_manager))) $this->process_manager = &Factory::newInstance('ProcessManager'); |
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[795] | 373 | $attributes = Array( |
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| 374 | |
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| 375 | ); |
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[3167] | 376 | $graph = &Factory::newInstance('Process_GraphViz', true, $attributes); |
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[795] | 377 | $name = $this->process_manager->_get_normalized_name($pId); |
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| 378 | $graph->set_pid($name); |
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| 379 | |
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| 380 | //Get the config of the workflow where we'll have some tips for the graph |
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| 381 | $myconfneeds = array( |
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| 382 | 'draw_roles' => true, |
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| 383 | 'font_size' => 12, |
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| 384 | ); |
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| 385 | $configs = $this->process_manager->getConfigValues($pId,true,true,$myconfneeds); |
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| 386 | |
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| 387 | // Nodes are process activities so get |
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| 388 | // the activities and add nodes as needed |
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| 389 | $nodes = $this->get_process_activities($pId); |
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| 390 | |
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| 391 | $standaloneActivities = array(); |
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| 392 | foreach($nodes as $node) |
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| 393 | { |
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| 394 | if ($node['wf_type'] == 'standalone') |
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| 395 | $standaloneActivities[] = $node['wf_name']; |
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| 396 | if($node['wf_is_interactive']=='y') |
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| 397 | { |
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| 398 | $color='black'; |
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| 399 | $fillcolor='0.6,0.6,0.9'; //blue TLS values |
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| 400 | } |
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| 401 | else |
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| 402 | { |
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| 403 | $color='black'; |
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| 404 | $fillcolor='0.25,1,0.8';//green in TLS values |
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| 405 | } |
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| 406 | // get the fontsize, defined in the process |
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| 407 | $fontsize = $configs['font_size']; |
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| 408 | // define a fontname |
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| 409 | $fontname = 'serif'; |
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| 410 | // if asked add roles on the graph |
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| 411 | if ($configs['draw_roles']) |
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| 412 | { |
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| 413 | $activity_roles = $this->get_activity_roles($node['wf_activity_id']); |
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| 414 | } |
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| 415 | // fill activity roles |
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| 416 | $act_role= ''; |
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| 417 | if (isset($activity_roles)) |
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| 418 | { |
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| 419 | foreach ($activity_roles as $role) |
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| 420 | { |
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| 421 | // the / is escaped and space seems to be necessary, |
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| 422 | //issues with some special characters if no spaces between this char and the / |
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| 423 | $act_role = $act_role." \\n[".$role['wf_name']."]"; |
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| 424 | } |
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| 425 | } |
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| 426 | $auto[$node['wf_name']] = $node['wf_is_autorouted']; |
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| 427 | $graph->addNode($node['wf_name'],array('URL'=>"foourl?wf_activity_id=".$node['wf_activity_id'], |
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| 428 | 'label'=>$node['wf_name'].$act_role, |
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| 429 | 'shape' => $this->_get_activity_shape($node['wf_type']), |
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| 430 | 'color' => $color, |
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| 431 | 'fillcolor'=> $fillcolor, |
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| 432 | 'style' => 'filled', |
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| 433 | 'fontsize' => $fontsize, |
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| 434 | 'fontname' => $fontname |
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| 435 | ) |
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| 436 | ); |
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| 437 | } |
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| 438 | |
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| 439 | // Now add edges, edges are transitions, |
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| 440 | // get the transitions and add the edges |
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| 441 | $edges = $this->get_process_transitions($pId); |
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| 442 | foreach($edges as $edge) |
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| 443 | { |
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| 444 | if($auto[$edge['wf_act_from_name']] == 'y') { |
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| 445 | $color = '0.25,1,0.28'; #dark green in TLS values |
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| 446 | $arrowsize = 1; |
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| 447 | } else { |
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| 448 | $color = 'red2'; #blue in TLS values |
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| 449 | $arrowsize= 1; |
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| 450 | } |
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| 451 | $graph->addEdge(array($edge['wf_act_from_name'] => $edge['wf_act_to_name']), array('color'=>$color,arrowsize=>$arrowsize)); |
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| 452 | } |
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| 453 | |
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| 454 | /* group the standalone activities vertically (workaround) */ |
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| 455 | $from = $to = null; |
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| 456 | foreach ($standaloneActivities as $sa) |
---|
| 457 | { |
---|
| 458 | list($from, $to) = array($to, $sa); |
---|
| 459 | if (!is_null($from)) |
---|
| 460 | $graph->addEdge(array($from => $to), array('color'=>'white')); |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | |
---|
| 464 | // Save the map image and the image graph |
---|
| 465 | $graph->image_and_map(); |
---|
| 466 | unset($graph); |
---|
| 467 | return true; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | |
---|
| 471 | /** |
---|
| 472 | * Validates if a process can be activated checking the |
---|
| 473 | * process activities and transitions the rules are: |
---|
| 474 | * 0) No circular activities |
---|
| 475 | * 1) Must have only one a start and end activity |
---|
| 476 | * 2) End must be reachable from start |
---|
| 477 | * 3) Interactive activities must have a role assigned |
---|
| 478 | * 4) Roles should be mapped |
---|
| 479 | * 5) Standalone and view activities cannot have transitions |
---|
| 480 | * 6) Non intractive activities non-auto routed must have some role so the user can "send" the activity |
---|
| 481 | * 7) start activities must be autorouted and interactive |
---|
| 482 | * |
---|
| 483 | * @param int $pId Process id |
---|
| 484 | * @return bool |
---|
| 485 | * @access public |
---|
| 486 | */ |
---|
| 487 | function validate_process_activities($pId) |
---|
| 488 | { |
---|
| 489 | $errors = Array(); |
---|
| 490 | $warnings = Array(); |
---|
| 491 | // Pre rule no cricular activities |
---|
| 492 | $cant = $this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'transitions where wf_p_id=? and wf_act_from_id=wf_act_to_id' |
---|
| 493 | , array($pId)); |
---|
| 494 | if($cant) { |
---|
| 495 | $errors[] = tra('Circular reference found some activity has a transition leading to itself'); |
---|
| 496 | } |
---|
| 497 | |
---|
| 498 | // Rule 1 must have exactly one start and end activity |
---|
| 499 | $cant = $this->getOne('select count(*) from ' |
---|
| 500 | .GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_type=?', array($pId,'start')); |
---|
| 501 | if($cant < 1) { |
---|
| 502 | $errors[] = tra('Process does not have a start activity'); |
---|
| 503 | } |
---|
| 504 | $cant = $this->getOne('select count(*) from ' |
---|
| 505 | .GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_type=?', array($pId,'end')); |
---|
| 506 | if($cant != 1) { |
---|
| 507 | $errors[] = tra('Process does not have exactly one end activity'); |
---|
| 508 | } |
---|
| 509 | |
---|
| 510 | // Rule 2 end must be reachable from start |
---|
| 511 | // and Rule 7 start activities must be autorouted and interactive |
---|
| 512 | $nodes = Array(); |
---|
| 513 | $endId = $this->getOne('select wf_activity_id from ' |
---|
| 514 | .GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_type=?', array($pId,'end')); |
---|
| 515 | if ((!isset($endId)) || ($endId=='') || ($endId == 0)) |
---|
| 516 | { |
---|
| 517 | //no end |
---|
| 518 | $errors[] = tra('this process has no end activity'); |
---|
| 519 | $endId = 0; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | $aux['id']=$endId; |
---|
| 523 | $aux['visited']=false; |
---|
| 524 | $nodes[] = $aux; |
---|
| 525 | |
---|
| 526 | $query = 'select wf_is_autorouted,wf_is_interactive,wf_activity_id from ' |
---|
| 527 | .GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_type=?'; |
---|
| 528 | $result = $this->query($query, array($pId,'start')); |
---|
| 529 | while($res = $result->fetchRow()) { |
---|
| 530 | $start_node['id'] = $res['wf_activity_id']; |
---|
| 531 | if(!($res['wf_is_interactive'] == 'y')) { |
---|
| 532 | $errors[] = tra('start activities must be interactive'); |
---|
| 533 | } |
---|
| 534 | if(!($res['wf_is_autorouted'] == 'y')) { |
---|
| 535 | $errors[] = tra('start activities must be autorouted'); |
---|
| 536 | } |
---|
| 537 | } |
---|
| 538 | $start_node['visited']=true; |
---|
| 539 | |
---|
| 540 | while($this->_list_has_unvisited_nodes($nodes) && !$this->_node_in_list($start_node,$nodes)) { |
---|
| 541 | for($i=0;$i<count($nodes);$i++) { |
---|
| 542 | $node=&$nodes[$i]; |
---|
| 543 | if(!$node['visited']) { |
---|
| 544 | $node['visited']=true; |
---|
| 545 | $query = 'select wf_act_from_id from '.GALAXIA_TABLE_PREFIX.'transitions where wf_act_to_id=?'; |
---|
| 546 | $result = $this->query($query, array($node['id'])); |
---|
| 547 | $ret = Array(); |
---|
| 548 | while($res = $result->fetchRow()) { |
---|
| 549 | $aux['id'] = $res['wf_act_from_id']; |
---|
| 550 | $aux['visited']=false; |
---|
| 551 | if(!$this->_node_in_list($aux,$nodes)) { |
---|
| 552 | $nodes[] = $aux; |
---|
| 553 | } |
---|
| 554 | } |
---|
| 555 | } |
---|
| 556 | } |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | if(!$this->_node_in_list($start_node,$nodes)) { |
---|
| 560 | // Start node is NOT reachable from the end node |
---|
| 561 | $errors[] = tra('End activity is not reachable from start activity'); |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | //Rule 3: interactive activities must have a role |
---|
| 565 | //assigned. |
---|
| 566 | //Rule 5: standalone and view activities can't have transitions |
---|
| 567 | $query = 'select * from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id = ?'; |
---|
| 568 | $result = $this->query($query, array($pId)); |
---|
| 569 | while($res = $result->fetchRow()) { |
---|
| 570 | $aid = $res['wf_activity_id']; |
---|
| 571 | if($res['wf_is_interactive'] == 'y') { |
---|
| 572 | $cant = $this->getOne('select count(*) from ' |
---|
| 573 | .GALAXIA_TABLE_PREFIX.'activity_roles where wf_activity_id=?', array($res['wf_activity_id'])); |
---|
| 574 | if(!$cant) { |
---|
| 575 | $errors[] = tra('Activity %1 is interactive but has no role assigned', $res['wf_name']); |
---|
| 576 | } |
---|
| 577 | } else { |
---|
| 578 | if( $res['wf_type'] != 'end' && $res['wf_is_autorouted'] == 'n') { |
---|
| 579 | $cant = $this->getOne('select count(*) from ' |
---|
| 580 | .GALAXIA_TABLE_PREFIX.'activity_roles where wf_activity_id=?', array($res['wf_activity_id'])); |
---|
| 581 | if(!$cant) |
---|
| 582 | { |
---|
| 583 | $errors[] = tra('Activity %1 is non-interactive and non-autorouted but has no role assigned', $res['wf_name']); |
---|
| 584 | } |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | if(($res['wf_type']=='standalone')||($res['wf_type']=='view')) { |
---|
| 588 | if($this->getOne('select count(*) from ' |
---|
| 589 | .GALAXIA_TABLE_PREFIX.'transitions where wf_act_from_id=? or wf_act_to_id=?', array($aid,$aid))) |
---|
| 590 | { |
---|
| 591 | $errors[] = tra('Activity %1 is standalone or view but has transitions', $res['wf_name']); |
---|
| 592 | } |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | |
---|
| 598 | //Rule4: roles should be mapped |
---|
| 599 | $query = 'select * from '.GALAXIA_TABLE_PREFIX.'roles where wf_p_id = ?'; |
---|
| 600 | $result = $this->query($query, array($pId)); |
---|
| 601 | while($res = $result->fetchRow()) { |
---|
| 602 | $cant = $this->getOne('select count(*) from ' |
---|
| 603 | .GALAXIA_TABLE_PREFIX.'user_roles where wf_role_id=?', array($res['wf_role_id'])); |
---|
| 604 | if(!$cant) { |
---|
| 605 | $warnings[] = tra('Role %1 is not mapped', $res['wf_name']); |
---|
| 606 | } |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | |
---|
| 610 | // End of rules |
---|
| 611 | |
---|
| 612 | // Validate process sources |
---|
| 613 | $serrors=$this->validate_process_sources($pId); |
---|
| 614 | $errors = array_merge($errors,$serrors['errors']); |
---|
| 615 | $warnings = array_merge($warnings,$serrors['warnings']); |
---|
| 616 | |
---|
| 617 | $this->error = array_merge ($this->error, $errors); |
---|
| 618 | $this->warning = array_merge ($this->warning, $warnings); |
---|
| 619 | |
---|
| 620 | |
---|
| 621 | |
---|
| 622 | $isValid = (count($errors)==0) ? 'y' : 'n'; |
---|
| 623 | |
---|
| 624 | $query = 'update '.GALAXIA_TABLE_PREFIX.'processes set wf_is_valid=? where wf_p_id=?'; |
---|
| 625 | $this->query($query, array($isValid,$pId)); |
---|
| 626 | |
---|
| 627 | $this->_label_nodes($pId); |
---|
| 628 | |
---|
| 629 | return ($isValid=='y'); |
---|
| 630 | |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | /** |
---|
| 634 | * Validates process sources |
---|
| 635 | * Rules: |
---|
| 636 | * 1) Interactive activities (non-standalone or view) must use complete() |
---|
| 637 | * 2) Standalone activities must not use $instance |
---|
| 638 | * 3) Switch activities must use setNextActivity |
---|
| 639 | * 4) Non-interactive activities cannot use complete() |
---|
| 640 | * 5) View activities cannot use $instance->set |
---|
| 641 | * |
---|
| 642 | * @param int $pid Process id |
---|
| 643 | * @return bool |
---|
| 644 | * @access public |
---|
| 645 | */ |
---|
| 646 | function validate_process_sources($pid) |
---|
| 647 | { |
---|
| 648 | $errors=Array(); |
---|
| 649 | $errors['errors'] = Array(); |
---|
| 650 | $errors['warnings'] = Array(); |
---|
| 651 | $wf_procname= $this->getOne('select wf_normalized_name from '.GALAXIA_TABLE_PREFIX.'processes where wf_p_id=?', array($pid)); |
---|
| 652 | |
---|
| 653 | $query = 'select * from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=?'; |
---|
| 654 | $result = $this->query($query, array($pid)); |
---|
| 655 | while($res = $result->fetchRow()) { |
---|
| 656 | $actname = $res['wf_normalized_name']; |
---|
| 657 | $source = GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'activities'.SEP.$actname.'.php'; |
---|
| 658 | if (!file_exists($source)) { |
---|
| 659 | $errors['errors'][] = tra('source code file for activity %1 is not avaible', $actname); |
---|
| 660 | continue; |
---|
| 661 | } |
---|
| 662 | $fp = fopen($source,'r'); |
---|
| 663 | if (!$fp) |
---|
| 664 | { |
---|
| 665 | $errors['errors'][] = tra('source code for activity %1 is not avaible', $actname); |
---|
| 666 | } |
---|
| 667 | else |
---|
| 668 | { |
---|
| 669 | $data=''; |
---|
| 670 | while(!feof($fp)) |
---|
| 671 | { |
---|
| 672 | $data.=fread($fp,8192); |
---|
| 673 | } |
---|
| 674 | fclose($fp); |
---|
| 675 | } |
---|
| 676 | if($res['wf_type']=='standalone') { |
---|
| 677 | if(strstr($data,'$instance')) { |
---|
| 678 | $errors['warnings'][] = tra('Activity %1 is standalone and is using the $instance object', $res['wf_name']); |
---|
| 679 | } |
---|
| 680 | } |
---|
| 681 | else |
---|
| 682 | { |
---|
| 683 | if($res['wf_type']=='view') |
---|
| 684 | { |
---|
| 685 | if(strstr($data,'$instance->set')) |
---|
| 686 | { |
---|
| 687 | $errors['errors'][] = tra('Activity %1 is view and is using the $instance object in write mode', $res['wf_name']); |
---|
| 688 | } |
---|
| 689 | } |
---|
| 690 | else |
---|
| 691 | { // for all others than standalone or view ... |
---|
| 692 | if($res['wf_is_interactive']=='y') |
---|
| 693 | { |
---|
| 694 | if(!strstr($data,'$instance->complete()')) |
---|
| 695 | { |
---|
| 696 | $errors['warnings'][] = tra('Activity %1 is interactive so it must use the $instance->complete() method', $res['wf_name']); |
---|
| 697 | } |
---|
| 698 | } |
---|
| 699 | else |
---|
| 700 | { // not interactive ... |
---|
| 701 | if(strstr($data,'$instance->complete()')) |
---|
| 702 | { |
---|
| 703 | $errors['errors'][] = tra('Activity %1 is non-interactive so it must not use the $instance->complete() method', $res['wf_name']); |
---|
| 704 | } |
---|
| 705 | } |
---|
| 706 | if($res['wf_type']=='switch') |
---|
| 707 | { |
---|
| 708 | if(!strstr($data,'$instance->setNextActivity(')) |
---|
| 709 | { |
---|
| 710 | $errors['warnings'][] = tra('Activity %1 is switch so it must use $instance->setNextActivity($actname) method', $res['wf_name']); |
---|
| 711 | } |
---|
| 712 | } |
---|
| 713 | } |
---|
| 714 | } |
---|
| 715 | } |
---|
| 716 | return $errors; |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | /** |
---|
| 720 | * Indicates if an activity with the same name exists. |
---|
| 721 | * If you gives an activityId this activity won't be checked (if the activity already exists give this activity id) |
---|
| 722 | * |
---|
| 723 | * @param int $pId Process id |
---|
| 724 | * @param string $name Activity name to be checked |
---|
| 725 | * @param int $activityId |
---|
| 726 | * @return bool |
---|
| 727 | * @access public |
---|
| 728 | */ |
---|
| 729 | function activity_name_exists($pId,$name, $activityId=0) |
---|
| 730 | { |
---|
| 731 | $name = addslashes($this->_normalize_name($name)); |
---|
| 732 | $array_args = array($pId, $name, $activityId); |
---|
| 733 | $number = $this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'activities |
---|
| 734 | where wf_p_id=? and wf_normalized_name=? and not(wf_activity_id=?)', $array_args); |
---|
| 735 | return !($number==0); |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | /** |
---|
| 739 | * Gets activity information fields |
---|
| 740 | * Warning: get_activity requires no more processId, an activity id is far enough to return informations about an activity |
---|
| 741 | * |
---|
| 742 | * @param int $activityId |
---|
| 743 | * @return array description |
---|
| 744 | * @access public |
---|
| 745 | */ |
---|
| 746 | function get_activity($activityId) |
---|
| 747 | { |
---|
| 748 | require_once(GALAXIA_LIBRARY.SEP.'src'.SEP.'API'.SEP . 'BaseActivity.php'); |
---|
[3167] | 749 | $act = &Factory::newInstance('BaseActivity'); |
---|
[795] | 750 | //Warning, we now use the BaseActivity object for it, interactivity and autorouting is now true/fales, not y/n |
---|
| 751 | return ($act->getActivity($activityId,false,true, true)); |
---|
| 752 | /* |
---|
| 753 | $query = "select * from ".GALAXIA_TABLE_PREFIX."activities where wf_activity_id=?"; |
---|
| 754 | $result = $this->query($query, array($activityId)); |
---|
| 755 | $res = False; |
---|
| 756 | if (!(empty($result))) |
---|
| 757 | { |
---|
| 758 | $res = $result->fetchRow(); |
---|
| 759 | } |
---|
| 760 | $res['toto']=$toto; |
---|
| 761 | return $res; |
---|
| 762 | */ |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | /** |
---|
| 766 | * Lists activities at a per-process level |
---|
| 767 | * |
---|
| 768 | * @param int $pId Process id |
---|
| 769 | * @param int $offset First row number (see $maxRecords) |
---|
| 770 | * @param int $maxRecords Maximum number of records returned |
---|
| 771 | * @param string $sort_mode Sort order |
---|
| 772 | * @param string $find Searched name or description of the activity |
---|
| 773 | * @param string $where SQL string appended |
---|
| 774 | * @param bool $count_roles True by default and is adding stat queries results about number of roles concerned by the activity |
---|
| 775 | * @return array Associative having two keys, 'cant' for the number of total activities and 'data' containing an associative array with the activities content |
---|
| 776 | * @access public |
---|
| 777 | */ |
---|
| 778 | function &list_activities($pId,$offset,$maxRecords,$sort_mode,$find,$where='', $count_roles=true) |
---|
| 779 | { |
---|
| 780 | $sort_mode = str_replace("__"," ",$sort_mode); |
---|
| 781 | if($find) { |
---|
| 782 | $findesc = '%'.$find.'%'; |
---|
| 783 | $mid=' where wf_p_id=? and ((wf_name like ?) or (wf_description like ?))'; |
---|
| 784 | $bindvars = array($pId,$findesc,$findesc); |
---|
| 785 | } else { |
---|
| 786 | $mid=' where wf_p_id=? '; |
---|
| 787 | $bindvars = array($pId); |
---|
| 788 | } |
---|
| 789 | if($where) { |
---|
| 790 | $mid.= " and ($where) "; |
---|
| 791 | } |
---|
| 792 | $query = 'select * from '.GALAXIA_TABLE_PREFIX."activities $mid"; |
---|
| 793 | $query_cant = 'select count(*) from '.GALAXIA_TABLE_PREFIX."activities $mid"; |
---|
| 794 | $result = $this->query($query,$bindvars,$maxRecords,$offset,true,$sort_mode); |
---|
| 795 | $cant = $this->getOne($query_cant,$bindvars); |
---|
| 796 | $ret = Array(); |
---|
| 797 | while($res = $result->fetchRow()) { |
---|
| 798 | if ($count_roles) { |
---|
| 799 | $res['wf_roles'] = $this->getOne('select count(*) from ' |
---|
| 800 | .GALAXIA_TABLE_PREFIX.'activity_roles where wf_activity_id=?',array($res['wf_activity_id'])); |
---|
| 801 | } |
---|
| 802 | $ret[] = $res; |
---|
| 803 | } |
---|
| 804 | $retval = Array(); |
---|
| 805 | $retval['data'] = $ret; |
---|
| 806 | $retval['cant'] = $cant; |
---|
| 807 | return $retval; |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | |
---|
| 811 | |
---|
| 812 | /** |
---|
| 813 | * Removes an activity. |
---|
| 814 | * |
---|
| 815 | * This will also remove transitions concerning the activity, roles associations, agents associations |
---|
| 816 | * anassociated agents data |
---|
| 817 | * @param int $pId is the process id |
---|
| 818 | * @param int $activityId is the activity id |
---|
| 819 | * @param bool $transaction is optional and true by default, it will permit to encapsulate the different deletes |
---|
| 820 | * in a transaction, if you already started a transaction encapsulating this one use this paramater to prevent |
---|
| 821 | * us to open a new one. |
---|
| 822 | * @return bool true if it was ok, false if nothing was done |
---|
| 823 | * @access public |
---|
| 824 | */ |
---|
| 825 | function remove_activity($pId, $activityId, $transaction = true) |
---|
| 826 | { |
---|
[3167] | 827 | if (!(isset($this->process_manager))) $this->process_manager = &Factory::newInstance('ProcessManager'); |
---|
[795] | 828 | $proc_info = $this->process_manager->get_process($pId); |
---|
| 829 | $actname = $this->_get_normalized_name($activityId); |
---|
| 830 | |
---|
| 831 | // start a transaction |
---|
| 832 | $this->db->StartTrans(); |
---|
| 833 | |
---|
| 834 | //the activity |
---|
| 835 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_activity_id=?'; |
---|
| 836 | $this->query($query,array($pId,$activityId)); |
---|
| 837 | |
---|
| 838 | //transitions |
---|
| 839 | $query = 'select wf_act_from_id,wf_act_to_id from ' |
---|
| 840 | .GALAXIA_TABLE_PREFIX.'transitions where wf_act_from_id=? or wf_act_to_id=?'; |
---|
| 841 | $result = $this->query($query, array($activityId,$activityId)); |
---|
| 842 | while($res = $result->fetchRow()) { |
---|
| 843 | $this->remove_transition($res['wf_act_from_id'], $res['wf_act_to_id']); |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | //roles |
---|
| 847 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activity_roles where wf_activity_id=?'; |
---|
| 848 | $this->query($query, array($activityId)); |
---|
| 849 | |
---|
| 850 | //agents |
---|
| 851 | $query = 'select wf_agent_id, wf_agent_type from '.GALAXIA_TABLE_PREFIX.'activity_agents where wf_activity_id=?'; |
---|
| 852 | $result = $this->query($query, array($activityId)); |
---|
| 853 | if (!(empty($result))) |
---|
| 854 | { |
---|
| 855 | while ($res = $result->fetchRow()) |
---|
| 856 | { |
---|
| 857 | //delete the associated agent |
---|
| 858 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'agent_'.$res['wf_agent_type'].' where wf_agent_id=?'; |
---|
| 859 | $this->query($query, array($res['wf_agent_id'])); |
---|
| 860 | } |
---|
| 861 | //now we can delete the association table |
---|
| 862 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activity_agents where wf_activity_id=?'; |
---|
| 863 | $this->query($query, array($activityId)); |
---|
| 864 | } |
---|
| 865 | |
---|
| 866 | // And we have to remove the user files |
---|
| 867 | // for this activity |
---|
| 868 | $wf_procname = $proc_info['wf_normalized_name']; |
---|
| 869 | unlink(GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'activities'.SEP.$actname.'.php'); |
---|
| 870 | if (file_exists(GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'templates'.SEP.$actname.'.tpl')) { |
---|
| 871 | @unlink(GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'templates'.$actname.'.tpl'); |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | // perform commit (return true) or Rollback (return false) |
---|
| 875 | return $this->db->CompleteTrans(); |
---|
| 876 | } |
---|
| 877 | |
---|
| 878 | /** |
---|
| 879 | * Updates or inserts a new activity in the database, $vars is an associative |
---|
| 880 | * array containing the fields to update or to insert as needed. |
---|
| 881 | * @param int $pId is the processId |
---|
| 882 | * @param int $activityId is the activityId |
---|
| 883 | * @param array $vars |
---|
| 884 | * @param bool $create_files |
---|
| 885 | * @return int The new activity id |
---|
| 886 | * @access public |
---|
| 887 | */ |
---|
| 888 | function replace_activity($pId, $activityId, $vars, $create_files=true) |
---|
| 889 | { |
---|
[3167] | 890 | if (!(isset($this->process_manager))) $this->process_manager = &Factory::newInstance('ProcessManager'); |
---|
[795] | 891 | $TABLE_NAME = GALAXIA_TABLE_PREFIX.'activities'; |
---|
| 892 | $now = date("U"); |
---|
| 893 | $vars['wf_last_modif']=$now; |
---|
| 894 | $vars['wf_p_id']=$pId; |
---|
| 895 | $vars['wf_normalized_name'] = $this->_normalize_name($vars['wf_name']); |
---|
| 896 | |
---|
| 897 | $proc_info = $this->process_manager->get_process($pId); |
---|
| 898 | |
---|
| 899 | |
---|
| 900 | foreach($vars as $key=>$value) |
---|
| 901 | { |
---|
| 902 | $vars[$key]=addslashes($value); |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | if($activityId) { |
---|
| 906 | $oldname = $this->_get_normalized_name($activityId); |
---|
| 907 | // update mode |
---|
| 908 | $first = true; |
---|
| 909 | $bindvars = Array(); |
---|
| 910 | $query ="update $TABLE_NAME set"; |
---|
| 911 | foreach($vars as $key=>$value) { |
---|
| 912 | if(!$first) $query.= ','; |
---|
| 913 | if(!is_numeric($value)) $value="'".$value."'"; |
---|
| 914 | $query.= " $key=$value "; |
---|
| 915 | $first = false; |
---|
| 916 | } |
---|
| 917 | $query .= ' where wf_p_id=? and wf_activity_id=? '; |
---|
| 918 | $bindvars[] = $pId; |
---|
| 919 | $bindvars[] = $activityId; |
---|
| 920 | $this->query($query, $bindvars); |
---|
| 921 | |
---|
| 922 | $newname = $vars['wf_normalized_name']; |
---|
| 923 | // if the activity is changing name then we |
---|
| 924 | // should rename the user_file for the activity |
---|
| 925 | |
---|
| 926 | $user_file_old = GALAXIA_PROCESSES.SEP.$proc_info['wf_normalized_name'].SEP.'code'.SEP.'activities'.SEP.$oldname.'.php'; |
---|
| 927 | $user_file_new = GALAXIA_PROCESSES.SEP.$proc_info['wf_normalized_name'].SEP.'code'.SEP.'activities'.SEP.$newname.'.php'; |
---|
| 928 | rename($user_file_old, $user_file_new); |
---|
| 929 | |
---|
| 930 | $user_file_old = GALAXIA_PROCESSES.SEP.$proc_info['wf_normalized_name'].SEP.'code'.SEP.'templates'.SEP.$oldname.'.tpl'; |
---|
| 931 | $user_file_new = GALAXIA_PROCESSES.SEP.$proc_info['wf_normalized_name'].SEP.'code'.SEP.'templates'.SEP.$newname.'.tpl'; |
---|
| 932 | if ($user_file_old != $user_file_new) { |
---|
| 933 | @rename($user_file_old, $user_file_new); |
---|
| 934 | } |
---|
| 935 | } else { |
---|
| 936 | |
---|
| 937 | // When inserting activity names can't be duplicated |
---|
| 938 | if($this->activity_name_exists($pId, $vars['wf_name'])) { |
---|
| 939 | return false; |
---|
| 940 | } |
---|
| 941 | unset($vars['wf_activity_id']); |
---|
| 942 | // insert mode |
---|
| 943 | $first = true; |
---|
| 944 | $query = "insert into $TABLE_NAME("; |
---|
| 945 | foreach(array_keys($vars) as $key) { |
---|
| 946 | if(!$first) $query.= ','; |
---|
| 947 | $query.= "$key"; |
---|
| 948 | $first = false; |
---|
| 949 | } |
---|
| 950 | $query .=") values("; |
---|
| 951 | $first = true; |
---|
| 952 | foreach(array_values($vars) as $value) { |
---|
| 953 | if(!$first) $query.= ','; |
---|
| 954 | if(!is_numeric($value)) $value="'".$value."'"; |
---|
| 955 | $query.= "$value"; |
---|
| 956 | $first = false; |
---|
| 957 | } |
---|
| 958 | $query .=")"; |
---|
| 959 | $this->query($query); |
---|
| 960 | //commented, last_modif time can be far away on high load! And if your database is not incrementing Ids it is not a database |
---|
| 961 | //$activityId = $this->getOne('select max(wf_activity_id) from '.$TABLE_NAME.' where wf_p_id=? and wf_last_modif=?', array($pId,$now)); |
---|
| 962 | $activityId = $this->getOne('select max(wf_activity_id) from '.$TABLE_NAME.' where wf_p_id=? ', array($pId)); |
---|
| 963 | $ret = $activityId; |
---|
| 964 | /* seems to be a debug code |
---|
| 965 | if(!$activityId) { |
---|
| 966 | print("select max(wf_activity_id) from $TABLE_NAME where wf_p_id=$pId and wf_last_modif=$now"); |
---|
| 967 | die; |
---|
| 968 | } |
---|
| 969 | */ |
---|
| 970 | // Should create the code file |
---|
| 971 | if ($create_files) { |
---|
| 972 | $wf_procname = $proc_info["wf_normalized_name"]; |
---|
| 973 | $fw = fopen(GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'activities'.SEP.$vars['wf_normalized_name'].'.php','w'); |
---|
| 974 | fwrite($fw,'<'.'?'.'php'."\n".'?'.'>'); |
---|
| 975 | fclose($fw); |
---|
| 976 | |
---|
| 977 | if($vars['wf_is_interactive']=='y') { |
---|
| 978 | $fw = fopen(GALAXIA_PROCESSES.SEP.$wf_procname.SEP.'code'.SEP.'templates'.SEP.$vars['wf_normalized_name'].'.tpl','w'); |
---|
| 979 | if (defined('GALAXIA_TEMPLATE_HEADER') && GALAXIA_TEMPLATE_HEADER) { |
---|
| 980 | fwrite($fw,GALAXIA_TEMPLATE_HEADER . "\n"); |
---|
| 981 | } |
---|
| 982 | fclose($fw); |
---|
| 983 | } |
---|
| 984 | } |
---|
| 985 | } |
---|
| 986 | // Get the id |
---|
| 987 | return $activityId; |
---|
| 988 | } |
---|
| 989 | |
---|
| 990 | /** |
---|
| 991 | * Associates an activity with an agent type and create or retrieve the associated agent |
---|
| 992 | * if the agent of this type for this activity already exists we return his id. |
---|
| 993 | * @param int activityId: the activity id |
---|
| 994 | * @param string $agentType: The type of the agent |
---|
| 995 | * @return agent_id created or retrieved after this association was done or false in case of problems |
---|
| 996 | * @access public |
---|
| 997 | */ |
---|
| 998 | function add_activity_agent($activityId, $agentType) |
---|
| 999 | { |
---|
| 1000 | $agent_id = 0; |
---|
| 1001 | //this will retrieve info directly from the agent table, not on the recorded activity-agent association table |
---|
| 1002 | $agents = $this->get_activity_agents($activityId); |
---|
| 1003 | foreach ($agents as $agent) |
---|
| 1004 | { |
---|
| 1005 | if ($agent['wf_type']==$agentType) |
---|
| 1006 | { |
---|
| 1007 | //we found an agent which were previously associated with the activity |
---|
| 1008 | $agent_id = $agent['wf_agent_id']; |
---|
| 1009 | //but we still need to ensure it is still associated with the activity |
---|
| 1010 | $actualAssoc = $this->getOne('select wf_activity_id from '.GALAXIA_TABLE_PREFIX.'activity_agents where wf_activity_id=?', array($activityId)); |
---|
| 1011 | if (!($actualAssoc == $activityId)) |
---|
| 1012 | { |
---|
| 1013 | $query = 'insert into '.GALAXIA_TABLE_PREFIX.'activity_agents (wf_activity_id,wf_agent_id,wf_agent_type) values(?,?,?)'; |
---|
| 1014 | $this->query($query,array($activityId, $agentId, $agentType)); |
---|
| 1015 | } |
---|
| 1016 | return $agent_id; |
---|
| 1017 | } |
---|
| 1018 | } |
---|
| 1019 | //if we are here we did not find this type of agent for this activity |
---|
| 1020 | //TODO: check agent type is in autorized list |
---|
| 1021 | //add a new agent record |
---|
| 1022 | $query = 'insert into '.GALAXIA_TABLE_PREFIX.'agent_'.$agentType.' (wf_agent_id) values(DEFAULT)'; |
---|
| 1023 | $this->query($query); |
---|
| 1024 | $query = 'select max(wf_agent_id) from '.GALAXIA_TABLE_PREFIX.'agent_'.$agentType; |
---|
| 1025 | $agentId = $this->getOne($query); |
---|
| 1026 | //record the association |
---|
| 1027 | $query = 'insert into '.GALAXIA_TABLE_PREFIX.'activity_agents (wf_activity_id,wf_agent_id,wf_agent_type) values(?,?,?)'; |
---|
| 1028 | $this->query($query,array($activityId, $agentId, $agentType)); |
---|
| 1029 | return $agentId; |
---|
| 1030 | } |
---|
| 1031 | |
---|
| 1032 | /** |
---|
| 1033 | * Gets the agents (id and type) associated to an activity |
---|
| 1034 | * @param int $activityId is the activity id |
---|
| 1035 | * @return array an associative array which can be empty |
---|
| 1036 | * @access public |
---|
| 1037 | */ |
---|
| 1038 | function get_activity_agents($activityId) |
---|
| 1039 | { |
---|
| 1040 | $query = 'select wf_agent_id, wf_agent_type |
---|
| 1041 | from '.GALAXIA_TABLE_PREFIX.'activity_agents |
---|
| 1042 | where wf_activity_id=?'; |
---|
| 1043 | $result = $this->query($query,array($activityId)); |
---|
| 1044 | $ret = Array(); |
---|
| 1045 | if (!(empty($result))) |
---|
| 1046 | { |
---|
| 1047 | while($res = $result->fetchRow()) |
---|
| 1048 | { |
---|
| 1049 | $ret[] = $res; |
---|
| 1050 | } |
---|
| 1051 | } |
---|
| 1052 | |
---|
| 1053 | return $ret; |
---|
| 1054 | } |
---|
| 1055 | |
---|
| 1056 | /** |
---|
| 1057 | * Gets the agent datas (with id and type as well) associated to an activity |
---|
| 1058 | * from the agent table |
---|
| 1059 | * @param int $activityId is the activity id |
---|
| 1060 | * @param string $agentType is the agent type, giving the table name for the engine |
---|
| 1061 | * @return array an associative array which can be empty if we did not find the agentType |
---|
| 1062 | * for this activity |
---|
| 1063 | * @access public |
---|
| 1064 | */ |
---|
| 1065 | function get_activity_agent_data($activityId, $agentType) |
---|
| 1066 | { |
---|
| 1067 | $query = 'select wf_agent_id |
---|
| 1068 | from '.GALAXIA_TABLE_PREFIX.'activity_agents |
---|
| 1069 | where wf_activity_id=? and wf_agent_type=?'; |
---|
| 1070 | $agent_id = $this->getOne($query,array($activityId,$agentType)); |
---|
| 1071 | $ret = Array(); |
---|
| 1072 | if ($agent_id==0) |
---|
| 1073 | { |
---|
| 1074 | return $ret; |
---|
| 1075 | } |
---|
| 1076 | else |
---|
| 1077 | { |
---|
| 1078 | $query = 'select * from '.GALAXIA_TABLE_PREFIX.'agent_'.$agentType.' where wf_agent_id=?'; |
---|
| 1079 | $result = $this->query($query,array($agent_id)); |
---|
| 1080 | if (!(empty($result))) |
---|
| 1081 | { |
---|
| 1082 | while($res = $result->fetchRow()) |
---|
| 1083 | { |
---|
| 1084 | $ret[] = $res; |
---|
| 1085 | } |
---|
| 1086 | //fake agent_type column, we know what it should be and that we should have only one record |
---|
| 1087 | $ret[0]['wf_agent_type'] = $agentType; |
---|
| 1088 | } |
---|
| 1089 | } |
---|
| 1090 | return $ret[0]; |
---|
| 1091 | } |
---|
| 1092 | |
---|
| 1093 | /** |
---|
| 1094 | * Removes an agent from an activity |
---|
| 1095 | * @param int activityId the activity id |
---|
| 1096 | * @param int $agentId The id of the agent |
---|
| 1097 | * @param bool $removeagent is false by default, if true the agent himself is destroyed, that means if you |
---|
| 1098 | * re-associate the activity with the same agent type all previous configuration will be lost |
---|
| 1099 | * @return void |
---|
| 1100 | * @access public |
---|
| 1101 | */ |
---|
| 1102 | function remove_activity_agent($activityId, $agentId, $removeagent=false) |
---|
| 1103 | { |
---|
| 1104 | |
---|
| 1105 | if ($removeagent) |
---|
| 1106 | { |
---|
| 1107 | $query = 'select wf_agent_type from '.GALAXIA_TABLE_PREFIX.'activity_agents |
---|
| 1108 | where wf_activity_id=? and wf_agent_id=?'; |
---|
| 1109 | $agent_type = $this->getOne($query, array($activityId, $agentId)); |
---|
| 1110 | $this->remove_agent($agentId, $agent_type); |
---|
| 1111 | } |
---|
| 1112 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'activity_agents |
---|
| 1113 | where wf_activity_id=? and wf_agent_id=?'; |
---|
| 1114 | $this->query($query, array($activityId, $agentId)); |
---|
| 1115 | } |
---|
| 1116 | |
---|
| 1117 | /** |
---|
| 1118 | * Remove an agent. |
---|
| 1119 | * @param int $agentId is the agent id |
---|
| 1120 | * @param string $agent_type is the agent_type |
---|
| 1121 | * @return void |
---|
| 1122 | * @access public |
---|
| 1123 | */ |
---|
| 1124 | function remove_agent($agentId, $agent_type) |
---|
| 1125 | { |
---|
| 1126 | $query = 'delete from '.GALAXIA_TABLE_PREFIX.'agent_'.$agent_type.' |
---|
| 1127 | where wf_agent_id=?'; |
---|
| 1128 | $this->query($query, array($agentId)); |
---|
| 1129 | } |
---|
| 1130 | |
---|
| 1131 | /** |
---|
| 1132 | * Sets if an activity is interactive or not |
---|
| 1133 | * @param int $pId The process id |
---|
| 1134 | * @param int $actid The activity id |
---|
| 1135 | * @param string $value y or n |
---|
| 1136 | * @access public |
---|
| 1137 | */ |
---|
| 1138 | function set_interactivity($pId, $actid, $value) |
---|
| 1139 | { |
---|
| 1140 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_is_interactive=? where wf_p_id=? and wf_activity_id=?'; |
---|
| 1141 | $this->query($query, array($value, $pId, $actid)); |
---|
| 1142 | } |
---|
| 1143 | |
---|
| 1144 | /** |
---|
| 1145 | * Sets if an activity is auto routed or not |
---|
| 1146 | * @param int $pId The processo id |
---|
| 1147 | * @param int $actid The activity id |
---|
| 1148 | * @param string $value y or n |
---|
| 1149 | * @return void |
---|
| 1150 | * @access public |
---|
| 1151 | */ |
---|
| 1152 | function set_autorouting($pId, $actid, $value) |
---|
| 1153 | { |
---|
| 1154 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_is_autorouted=? where wf_p_id=? and wf_activity_id=?'; |
---|
| 1155 | $this->query($query, array($value, $pId, $actid)); |
---|
| 1156 | } |
---|
| 1157 | |
---|
| 1158 | /** |
---|
| 1159 | * Sets the default user for an activity |
---|
| 1160 | * @param int $activityId The activity id |
---|
| 1161 | * @param mixed $default_user This param can be the id of a user or '' for all |
---|
| 1162 | * @return void |
---|
| 1163 | * @access public |
---|
| 1164 | */ |
---|
| 1165 | function set_default_user($activityId, $default_user) |
---|
| 1166 | { |
---|
| 1167 | if ($default_user=='') |
---|
| 1168 | { |
---|
| 1169 | $default_user='*'; |
---|
| 1170 | } |
---|
| 1171 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_default_user=? where wf_activity_id=?'; |
---|
| 1172 | $this->query($query, array($default_user, $activityId)); |
---|
| 1173 | } |
---|
| 1174 | |
---|
| 1175 | /** |
---|
| 1176 | * Gets the default user for an activity |
---|
| 1177 | * if performAccessCheck is true then this function will check if this user as really access granted |
---|
| 1178 | * to the given activity. |
---|
| 1179 | * If wrong or no default user or the user has no access grant and performAccessCheck was asked, '*' is returned |
---|
| 1180 | * |
---|
| 1181 | * @param int $activityId Activity Id |
---|
| 1182 | * @param boll $performAccessCheck |
---|
| 1183 | * @return mixed User Id or '*' if no default user is set |
---|
| 1184 | * @access public |
---|
| 1185 | */ |
---|
| 1186 | function get_default_user($activityId, $performAccessCheck=true) |
---|
| 1187 | { |
---|
| 1188 | $query = 'Select wf_default_user from '.GALAXIA_TABLE_PREFIX.'activities where wf_activity_id=?'; |
---|
| 1189 | $result = $this->getOne($query,array($activityId)); |
---|
| 1190 | if (!(isset($result)) || ($result=='') || ($result==false)) |
---|
| 1191 | { |
---|
| 1192 | $result='*'; |
---|
| 1193 | } |
---|
| 1194 | //if we had a user and if asked we'll try to see if he has really access granted |
---|
| 1195 | elseif ( (!($result=='*')) && $performAccessCheck) |
---|
| 1196 | { |
---|
[3167] | 1197 | $wf_security = &Factory::getInstance('WfSecurity'); |
---|
[795] | 1198 | // perform the check |
---|
| 1199 | if (!($wf_security->checkUserAccess($result,$activityId))) |
---|
| 1200 | { |
---|
| 1201 | // bad check, we ignore this default_user |
---|
| 1202 | $result='*'; |
---|
| 1203 | } |
---|
| 1204 | } |
---|
| 1205 | return $result; |
---|
| 1206 | } |
---|
| 1207 | |
---|
| 1208 | /** |
---|
| 1209 | * Returns activity id by pid,name (activity names are unique) |
---|
| 1210 | * @param int $pid The process id |
---|
| 1211 | * @param string $name The name of the activity |
---|
| 1212 | * @return int The id of the activity |
---|
| 1213 | * @access private |
---|
| 1214 | */ |
---|
| 1215 | function _get_activity_id_by_name($pid,$name) |
---|
| 1216 | { |
---|
| 1217 | $name = addslashes($name); |
---|
| 1218 | $bindarray = array($pid,$name); |
---|
| 1219 | if($this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_name=?', $bindarray)) |
---|
| 1220 | { |
---|
| 1221 | return($this->getOne('select wf_activity_id from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_name=?', $bindarray)); |
---|
| 1222 | } |
---|
| 1223 | else |
---|
| 1224 | { |
---|
| 1225 | return ''; |
---|
| 1226 | } |
---|
| 1227 | } |
---|
| 1228 | |
---|
| 1229 | /** |
---|
| 1230 | * Returns the activity shape |
---|
| 1231 | * @param string $type The type of the activity: start, end, activity, split, |
---|
| 1232 | * switch, join, standalone, view |
---|
| 1233 | * @return string The shape of the image representing a activity: circle, |
---|
| 1234 | * doublecircle, box, triangle, diamond, invtriangle, hexagon |
---|
| 1235 | * @access private |
---|
| 1236 | */ |
---|
| 1237 | function _get_activity_shape($type) |
---|
| 1238 | { |
---|
| 1239 | switch($type) { |
---|
| 1240 | case 'start': |
---|
| 1241 | return 'circle'; |
---|
| 1242 | case 'end': |
---|
| 1243 | return 'doublecircle'; |
---|
| 1244 | case 'activity': |
---|
| 1245 | return 'box'; |
---|
| 1246 | case 'split': |
---|
| 1247 | return 'triangle'; |
---|
| 1248 | case 'switch': |
---|
| 1249 | return 'diamond'; |
---|
| 1250 | case 'join': |
---|
| 1251 | return 'invtriangle'; |
---|
| 1252 | case 'standalone': |
---|
| 1253 | return 'hexagon'; |
---|
| 1254 | case 'view': |
---|
| 1255 | return 'hexagon'; |
---|
| 1256 | default: |
---|
| 1257 | return 'egg'; |
---|
| 1258 | |
---|
| 1259 | } |
---|
| 1260 | |
---|
| 1261 | } |
---|
| 1262 | |
---|
| 1263 | |
---|
| 1264 | /** |
---|
| 1265 | * Returns true if a list contains unvisited nodes. |
---|
| 1266 | * @param array $list List members are assoc arrays containing id and visited |
---|
| 1267 | * @return bool |
---|
| 1268 | * @access private |
---|
| 1269 | */ |
---|
| 1270 | function _list_has_unvisited_nodes($list) |
---|
| 1271 | { |
---|
| 1272 | foreach($list as $node) { |
---|
| 1273 | if(!$node['visited']) return true; |
---|
| 1274 | } |
---|
| 1275 | return false; |
---|
| 1276 | } |
---|
| 1277 | |
---|
| 1278 | /** |
---|
| 1279 | * Returns true if a node is in a list |
---|
| 1280 | * @param array $node |
---|
| 1281 | * @param array $list List members are assoc arrays containing id and visited |
---|
| 1282 | * @return bool |
---|
| 1283 | * @access private |
---|
| 1284 | */ |
---|
| 1285 | function _node_in_list($node,$list) |
---|
| 1286 | { |
---|
| 1287 | foreach($list as $a_node) { |
---|
| 1288 | if($node['id'] == $a_node['id']) return true; |
---|
| 1289 | } |
---|
| 1290 | return false; |
---|
| 1291 | } |
---|
| 1292 | |
---|
| 1293 | /** |
---|
| 1294 | * Normalizes an activity name |
---|
| 1295 | * @param string $name |
---|
| 1296 | * @return string |
---|
| 1297 | * @access private |
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| 1298 | */ |
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| 1299 | function _normalize_name($name) |
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| 1300 | { |
---|
| 1301 | $name = str_replace(" ","_",$name); |
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| 1302 | $name = preg_replace("/[^A-Za-z_0-9]/",'',$name); |
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| 1303 | return $name; |
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| 1304 | } |
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| 1305 | |
---|
| 1306 | /** |
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| 1307 | * Returns normalized name of an activity |
---|
| 1308 | * @param int $activityId The activity id |
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| 1309 | * @return string The activity name normalized. Spaces are turned to underscore, and special chars are suppressed. |
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| 1310 | * @access private |
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| 1311 | */ |
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| 1312 | function _get_normalized_name($activityId) |
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| 1313 | { |
---|
| 1314 | return $this->getOne('select wf_normalized_name from ' |
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| 1315 | .GALAXIA_TABLE_PREFIX.'activities where wf_activity_id=?', array($activityId)); |
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| 1316 | } |
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| 1317 | |
---|
| 1318 | /** |
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| 1319 | * Labels nodes. Return false if something was wrong |
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| 1320 | * @access private |
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| 1321 | * @param int $pId The process id |
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| 1322 | * @return array |
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| 1323 | */ |
---|
| 1324 | function _label_nodes($pId) |
---|
| 1325 | { |
---|
| 1326 | ///an empty list of nodes starts the process |
---|
| 1327 | $nodes = Array(); |
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| 1328 | // the end activity id |
---|
| 1329 | $endId = $this->getOne('select wf_activity_id from ' |
---|
| 1330 | .GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_type=?',array($pId,'end')); |
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| 1331 | if ((!isset($endId)) || ($endId=='') || ($endId == 0)) |
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| 1332 | { |
---|
| 1333 | //no end |
---|
| 1334 | return false; |
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| 1335 | } |
---|
| 1336 | |
---|
| 1337 | // and the number of total nodes (=activities) |
---|
| 1338 | $cant = $this->getOne('select count(*) from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=?', array($pId)); |
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| 1339 | $nodes[] = $endId; |
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| 1340 | $label = $cant; |
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| 1341 | $num = $cant; |
---|
| 1342 | |
---|
| 1343 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_flow_num=? where wf_p_id=?'; |
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| 1344 | $this->query($query,array($cant+1,$pId)); |
---|
| 1345 | $seen = array(); |
---|
| 1346 | while(count($nodes)) { |
---|
| 1347 | $newnodes = Array(); |
---|
| 1348 | foreach($nodes as $node) { |
---|
| 1349 | // avoid endless loops |
---|
| 1350 | if (isset($seen[$node])) continue; |
---|
| 1351 | $seen[$node] = 1; |
---|
| 1352 | $query = 'update '.GALAXIA_TABLE_PREFIX.'activities set wf_flow_num=? where wf_activity_id=?'; |
---|
| 1353 | $this->query($query, array($num,$node)); |
---|
| 1354 | $query = 'select wf_act_from_id from '.GALAXIA_TABLE_PREFIX.'transitions where wf_act_to_id=?'; |
---|
| 1355 | $result = $this->query($query, array($node)); |
---|
| 1356 | $ret = Array(); |
---|
| 1357 | while($res = $result->fetchRow()) { |
---|
| 1358 | $newnodes[] = $res['wf_act_from_id']; |
---|
| 1359 | } |
---|
| 1360 | } |
---|
| 1361 | $num--; |
---|
| 1362 | $nodes=Array(); |
---|
| 1363 | $nodes=$newnodes; |
---|
| 1364 | |
---|
| 1365 | } |
---|
| 1366 | |
---|
| 1367 | $min = $this->getOne('select min(wf_flow_num) from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=?', array($pId)); |
---|
| 1368 | $query = 'update '.GALAXIA_TABLE_PREFIX."activities set wf_flow_num=wf_flow_num-$min where wf_p_id=?"; |
---|
| 1369 | $this->query($query, array($pId)); |
---|
| 1370 | |
---|
| 1371 | //$query = "update ".GALAXIA_TABLE_PREFIX."activities set flowNum=0 where flowNum=$cant+1"; |
---|
| 1372 | //$this->query($query); |
---|
| 1373 | return true; |
---|
| 1374 | } |
---|
| 1375 | } |
---|
| 1376 | ?> |
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