[4001] | 1 | <?php
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| 2 | /*! Base DataProcessor handling
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| 3 | **/
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| 4 | class DataProcessor{
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| 5 | protected $connector;//!< Connector instance
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| 6 | protected $config;//!< DataConfig instance
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| 7 | protected $request;//!< DataRequestConfig instance
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| 8 |
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| 9 | /*! constructor
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| 10 |
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| 11 | @param connector
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| 12 | Connector object
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| 13 | @param config
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| 14 | DataConfig object
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| 15 | @param request
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| 16 | DataRequestConfig object
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| 17 | */
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| 18 | function __construct($connector,$config,$request){
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| 19 | $this->connector= $connector;
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| 20 | $this->config=$config;
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| 21 | $this->request=$request;
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| 22 | }
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| 23 |
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| 24 | /*! convert incoming data name to valid db name
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| 25 | redirect to Connector->name_data by default
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| 26 | @param data
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| 27 | data name from incoming request
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| 28 | @return
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| 29 | related db_name
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| 30 | */
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| 31 | function name_data($data){
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| 32 | return $data;
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| 33 | }
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| 34 | /*! retrieve data from incoming request and normalize it
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| 35 |
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| 36 | @param ids
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| 37 | array of extected IDs
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| 38 | @return
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| 39 | hash of data
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| 40 | */
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| 41 | function get_post_values($ids){
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| 42 | $data=array();
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| 43 | for ($i=0; $i < sizeof($ids); $i++)
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| 44 | $data[$ids[$i]]=array();
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| 45 |
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| 46 | foreach ($_POST as $key => $value) {
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| 47 | $details=explode("_",$key,2);
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| 48 | if (sizeof($details)==1) continue;
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| 49 |
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| 50 | $name=$this->name_data($details[1]);
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| 51 | $data[$details[0]][$name]=$value;
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| 52 | }
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| 53 |
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| 54 | return $data;
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| 55 | }
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| 56 | /*! process incoming request ( save|update|delete )
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| 57 | */
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| 58 | function process(){
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| 59 | LogMaster::log("DataProcessor object initialized",$_POST);
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| 60 |
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| 61 | $results=array();
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| 62 |
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| 63 | if (!isset($_POST["ids"]))
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| 64 | throw new Exception("Incorrect incoming data, ID of incoming records not recognized");
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| 65 |
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| 66 | $ids=explode(",",$_POST["ids"]);
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| 67 | $rows_data=$this->get_post_values($ids);
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| 68 | $failed=false;
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| 69 |
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| 70 | try{
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| 71 | if ($this->connector->sql->is_global_transaction())
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| 72 | $this->connector->sql->begin_transaction();
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| 73 |
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| 74 | for ($i=0; $i < sizeof($ids); $i++) {
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| 75 | $rid = $ids[$i];
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| 76 | LogMaster::log("Row data [{$rid}]",$rows_data[$rid]);
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| 77 |
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| 78 | if (!isset($_POST[$rid."_!nativeeditor_status"]))
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| 79 | throw new Exception("Status of record [{$rid}] not found in incoming request");
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| 80 | $status = $_POST[$rid."_!nativeeditor_status"];
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| 81 |
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| 82 | $action=new DataAction($status,$rid,$rows_data[$rid]);
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| 83 | $results[]=$action;
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| 84 | $this->inner_process($action);
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| 85 | }
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| 86 |
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| 87 | } catch(Exception $e){
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| 88 | $failed=true;
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| 89 | }
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| 90 |
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| 91 | if ($this->connector->sql->is_global_transaction()){
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| 92 | if (!$failed)
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| 93 | for ($i=0; $i < sizeof($results); $i++)
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| 94 | if ($results[$i]->get_status()=="error" || $results[$i]->get_status()=="invalid"){
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| 95 | $failed=true;
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| 96 | break;
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| 97 | }
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| 98 | if ($failed){
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| 99 | for ($i=0; $i < sizeof($results); $i++)
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| 100 | $results[$i]->error();
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| 101 | $this->connector->sql->rollback_transaction();
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| 102 | }
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| 103 | else
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| 104 | $this->connector->sql->commit_transaction();
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| 105 | }
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| 106 |
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| 107 | $this->output_as_xml($results);
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| 108 | }
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| 109 |
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| 110 | /*! converts status string to the inner mode name
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| 111 |
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| 112 | @param status
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| 113 | external status string
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| 114 | @return
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| 115 | inner mode name
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| 116 | */
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| 117 | protected function status_to_mode($status){
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| 118 | switch($status){
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| 119 | case "updated":
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| 120 | return "update";
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| 121 | break;
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| 122 | case "inserted":
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| 123 | return "insert";
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| 124 | break;
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| 125 | case "deleted":
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| 126 | return "delete";
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| 127 | break;
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| 128 | default:
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| 129 | return $status;
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| 130 | break;
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| 131 | }
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| 132 | }
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| 133 | /*! process data updated request received
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| 134 |
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| 135 | @param action
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| 136 | DataAction object
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| 137 | @return
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| 138 | DataAction object with details of processing
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| 139 | */
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| 140 | protected function inner_process($action){
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| 141 |
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| 142 | if ($this->connector->sql->is_record_transaction())
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| 143 | $this->connector->sql->begin_transaction();
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| 144 |
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| 145 | try{
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| 146 |
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| 147 | $mode = $this->status_to_mode($action->get_status());
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| 148 | if (!$this->connector->access->check($mode)){
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| 149 | LogMaster::log("Access control: {$operation} operation blocked");
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| 150 | $action->error();
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| 151 | } else {
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| 152 | $check = $this->connector->event->trigger("beforeProcessing",$action);
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| 153 | if (!$action->is_ready())
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| 154 | $this->check_exts($action,$mode);
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| 155 | $check = $this->connector->event->trigger("afterProcessing",$action);
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| 156 | }
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| 157 |
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| 158 | } catch (Exception $e){
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| 159 | $action->set_status("error");
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| 160 | }
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| 161 |
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| 162 | if ($this->connector->sql->is_record_transaction()){
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| 163 | if ($action->get_status()=="error" || $action->get_status()=="invalid")
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| 164 | $this->connector->sql->rollback_transaction();
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| 165 | else
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| 166 | $this->connector->sql->commit_transaction();
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| 167 | }
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| 168 |
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| 169 | return $action;
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| 170 | }
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| 171 | /*! check if some event intercepts processing, send data to DataWrapper in other case
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| 172 |
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| 173 | @param action
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| 174 | DataAction object
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| 175 | @param mode
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| 176 | name of inner mode ( will be used to generate event names )
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| 177 | */
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| 178 | function check_exts($action,$mode){
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| 179 | $old_config = new DataConfig($this->config);
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| 180 |
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| 181 | $this->connector->event->trigger("before".$mode,$action);
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| 182 | if ($action->is_ready())
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| 183 | LogMaster::log("Event code for ".$mode." processed");
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| 184 | else {
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| 185 | //check if custom sql defined
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| 186 | $sql = $this->connector->sql->get_sql($mode,$action);
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| 187 | if ($sql)
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| 188 | $this->connector->sql->query($sql);
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| 189 | else{
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| 190 | $action->sync_config($this->config);
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| 191 | $method=array($this->connector->sql,$mode);
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| 192 | if (!is_callable($method))
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| 193 | throw new Exception("Unknown dataprocessing action: ".$mode);
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| 194 | call_user_func($method,$action,$this->request);
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| 195 | }
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| 196 | }
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| 197 | $this->connector->event->trigger("after".$mode,$action);
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| 198 |
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| 199 | $this->config = $old_config;
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| 200 | }
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| 201 |
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| 202 | /*! output xml response for dataprocessor
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| 203 |
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| 204 | @param results
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| 205 | array of DataAction objects
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| 206 | */
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| 207 | function output_as_xml($results){
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| 208 | LogMaster::log("Edit operation finished",$results);
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| 209 | ob_clean();
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| 210 | header("Content-type:text/xml");
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| 211 | echo "<?xml version='1.0' ?>";
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| 212 | echo "<data>";
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| 213 | for ($i=0; $i < sizeof($results); $i++)
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| 214 | echo $results[$i]->to_xml();
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| 215 | echo "</data>";
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| 216 | }
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| 217 |
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| 218 | }
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| 219 |
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| 220 | /*! contain all info related to action and controls customizaton
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| 221 | **/
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| 222 | class DataAction{
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| 223 | private $status; //!< cuurent status of record
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| 224 | private $id;//!< id of record
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| 225 | private $data;//!< data hash of record
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| 226 | private $userdata;//!< hash of extra data , attached to record
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| 227 | private $nid;//!< new id value , after operation executed
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| 228 | private $output;//!< custom output to client side code
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| 229 | private $attrs;//!< hash of custtom attributes
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| 230 | private $ready;//!< flag of operation's execution
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| 231 | private $addf;//!< array of added fields
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| 232 | private $delf;//!< array of deleted fields
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| 233 |
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| 234 |
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| 235 | /*! constructor
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| 236 |
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| 237 | @param status
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| 238 | current operation status
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| 239 | @param id
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| 240 | record id
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| 241 | @param data
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| 242 | hash of data
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| 243 | */
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| 244 | function __construct($status,$id,$data){
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| 245 | $this->status=$status;
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| 246 | $this->id=$id;
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| 247 | $this->data=$data;
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| 248 | $this->nid=$id;
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| 249 |
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| 250 | $this->output="";
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| 251 | $this->attrs=array();
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| 252 | $this->ready=false;
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| 253 |
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| 254 | $this->addf=array();
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| 255 | $this->delf=array();
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| 256 | }
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| 257 |
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| 258 |
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| 259 | /*! add custom field and value to DB operation
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| 260 |
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| 261 | @param name
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| 262 | name of field which will be added to DB operation
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| 263 | @param value
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| 264 | value which will be used for related field in DB operation
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| 265 | */
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| 266 | function add_field($name,$value){
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| 267 | LogMaster::log("adding field: ".$name.", with value: ".$value);
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| 268 | $this->data[$name]=$value;
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| 269 | $this->addf[]=$name;
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| 270 | }
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| 271 | /*! remove field from DB operation
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| 272 |
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| 273 | @param name
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| 274 | name of field which will be removed from DB operation
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| 275 | */
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| 276 | function remove_field($name){
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| 277 | LogMaster::log("removing field: ".$name);
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| 278 | $this->delf[]=$name;
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| 279 | }
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| 280 |
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| 281 | /*! sync field configuration with external object
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| 282 |
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| 283 | @param slave
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| 284 | SQLMaster object
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| 285 | @todo
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| 286 | check , if all fields removed then cancel action
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| 287 | */
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| 288 | function sync_config($slave){
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| 289 | foreach ($this->addf as $k => $v)
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| 290 | $slave->add_field($v);
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| 291 | foreach ($this->delf as $k => $v)
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| 292 | $slave->remove_field($v);
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| 293 | }
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| 294 | /*! get value of some record's propery
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| 295 |
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| 296 | @param name
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| 297 | name of record's property ( name of db field or alias )
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| 298 | @return
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| 299 | value of related property
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| 300 | */
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| 301 | function get_value($name){
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| 302 | if (!array_key_exists($name,$this->data)){
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| 303 | LogMaster::log("Incorrect field name used: ".$name);
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| 304 | LogMaster::log("data",$this->data);
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| 305 | return "";
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| 306 | }
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| 307 | return $this->data[$name];
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| 308 | }
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| 309 | /*! set value of some record's propery
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| 310 |
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| 311 | @param name
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| 312 | name of record's property ( name of db field or alias )
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| 313 | @param value
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| 314 | value of related property
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| 315 | */
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| 316 | function set_value($name,$value){
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| 317 | LogMaster::log("change value of: ".$name." as: ".$value);
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| 318 | $this->data[$name]=$value;
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| 319 | }
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| 320 | /*! get hash of data properties
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| 321 |
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| 322 | @return
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| 323 | hash of data properties
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| 324 | */
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| 325 | function get_data(){
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| 326 | return $this->data;
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| 327 | }
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| 328 | /*! get some extra info attached to record
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| 329 | deprecated, exists just for backward compatibility, you can use set_value instead of it
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| 330 | @param name
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| 331 | name of userdata property
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| 332 | @return
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| 333 | value of related userdata property
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| 334 | */
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| 335 | function get_userdata_value($name){
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| 336 | return $this->get_value($name);
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| 337 | }
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| 338 | /*! set some extra info attached to record
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| 339 | deprecated, exists just for backward compatibility, you can use get_value instead of it
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| 340 | @param name
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| 341 | name of userdata property
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| 342 | @param value
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| 343 | value of userdata property
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| 344 | */
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| 345 | function set_userdata_value($name,$value){
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| 346 | return $this->set_value($name,$value);
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| 347 | }
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| 348 | /*! get current status of record
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| 349 |
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| 350 | @return
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| 351 | string with status value
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| 352 | */
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| 353 | function get_status(){
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| 354 | return $this->status;
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| 355 | }
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| 356 | /*! assign new status to the record
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| 357 |
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| 358 | @param status
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| 359 | new status value
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| 360 | */
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| 361 | function set_status($status){
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| 362 | $this->status=$status;
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| 363 | }
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| 364 | /*! get id of current record
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| 365 |
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| 366 | @return
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| 367 | id of record
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| 368 | */
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| 369 | function get_id(){
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| 370 | return $this->id;
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| 371 | }
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| 372 | /*! sets custom response text
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| 373 |
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| 374 | can be accessed through defineAction on client side. Text wrapped in CDATA, so no extra escaping necessary
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| 375 | @param text
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| 376 | custom response text
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| 377 | */
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| 378 | function set_response_text($text){
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| 379 | $this->set_response_xml("<![CDATA[".$text."]]>");
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| 380 | }
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| 381 | /*! sets custom response xml
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| 382 |
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| 383 | can be accessed through defineAction on client side
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| 384 | @param text
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| 385 | string with XML data
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| 386 | */
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| 387 | function set_response_xml($text){
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| 388 | $this->output=$text;
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| 389 | }
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| 390 | /*! sets custom response attributes
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| 391 |
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| 392 | can be accessed through defineAction on client side
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| 393 | @param name
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| 394 | name of custom attribute
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| 395 | @param value
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| 396 | value of custom attribute
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| 397 | */
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| 398 | function set_response_attribute($name,$value){
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| 399 | $this->attrs[$name]=$value;
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| 400 | }
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| 401 | /*! check if action finished
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| 402 |
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| 403 | @return
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| 404 | true if action finished, false otherwise
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| 405 | */
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| 406 | function is_ready(){
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| 407 | return $this->ready;
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| 408 | }
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| 409 | /*! return new id value
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| 410 |
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| 411 | equal to original ID normally, after insert operation - value assigned for new DB record
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| 412 | @return
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| 413 | new id value
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| 414 | */
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| 415 | function get_new_id(){
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| 416 | return $this->nid;
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| 417 | }
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| 418 |
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| 419 | /*! set result of operation as error
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| 420 | */
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| 421 | function error(){
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| 422 | $this->status="error";
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| 423 | $this->ready=true;
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| 424 | }
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| 425 | /*! set result of operation as invalid
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| 426 | */
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| 427 | function invalid(){
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| 428 | $this->status="invalid";
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| 429 | $this->ready=true;
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| 430 | }
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| 431 | /*! confirm successful opeation execution
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| 432 | @param id
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| 433 | new id value, optional
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| 434 | */
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| 435 | function success($id=false){
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| 436 | if ($id!==false)
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| 437 | $this->nid = $id;
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| 438 | $this->ready=true;
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| 439 | }
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| 440 | /*! convert DataAction to xml format compatible with client side dataProcessor
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| 441 | @return
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| 442 | DataAction operation report as XML string
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| 443 | */
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| 444 | function to_xml(){
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| 445 | $str="<action type='{$this->status}' sid='{$this->id}' tid='{$this->nid}' ";
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| 446 | foreach ($this->attrs as $k => $v) {
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| 447 | $str.=$k."='".$v."' ";
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| 448 | }
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| 449 | $str.=">{$this->output}</action>";
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| 450 | return $str;
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| 451 | }
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| 452 | /*! convert self to string ( for logs )
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| 453 |
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| 454 | @return
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| 455 | DataAction operation report as plain string
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| 456 | */
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| 457 | function __toString(){
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| 458 | return "action:{$this->status}; sid:{$this->id}; tid:{$this->nid};";
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| 459 | }
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| 460 |
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| 461 |
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| 462 | }
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| 463 |
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| 464 |
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| 465 | ?> |
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