source: trunk/prototype/rest/catalog/DynamicContactsResource.php @ 7298

<?php

if (!defined('ROOTPATH'))
    define('ROOTPATH', dirname(__FILE__) . '/..');

require_once(ROOTPATH . '/rest/hypermedia/hypermedia.php');

use prototype\api\Config as Config;

class DynamicContactsResource extends Resource {

    /**
     * Retorna uma lista de contatos recentes 
     *
     * @license    http://www.gnu.org/copyleft/gpl.html GPL
     * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
     * @sponsor    Caixa Econômica Federal
     * @author     José Vicente Tezza Jr. 
     * @return     Retorna uma lista de contatos recentes
     * @access     public
     * */
    function get($request) {

        $this->secured();

        $response = new Response($request);
        $response->addHeader('Content-type', 'aplication/json');
        $response->code = Response::OK;

        $h = new Hypermedia();
        $c = new Collection($request->resources, 'DynamicContactsResource');

        try {

            $dynamicContacts = Controller::find(
                            array('concept' => 'dynamicContact'), false, array('filter' => array('=', 'owner', Config::me("uidNumber")),
                        'order' => array('number_of_messages', 'name', 'mail'),
                        'orderDesc' => array(true, false, false))
            );

            //Se nao foi encontrado contatos na consulta
            if (!$dynamicContacts) {
                $this->createException($request, $response, Response::NOTFOUND, 'Bad request', 'Dynamic Contact not found.');
                return $response;
            }

            $dynamicContacts = array_slice($dynamicContacts, 0,50);
            foreach ($dynamicContacts as $value) {
                $d = new Data();
                $i = new Item($request->resources, 'DynamicContactsResource', $value['id']);

                $d->setName('name');
                $d->setValue($value['name']);
                $d->setPrompt('Nome do Contato Recente');
                $d->setDataType('string');
                $d->setMaxLength('100');
                $d->setMinLength(null);
                $d->setRequired(true);

                $i->addData($d);

                $d = new Data();
                $d->setName('mail');
                $d->setValue($value['mail']);
                $d->setPrompt('Email do Contato Recente');
                $d->setDataType('string');
                $d->setMaxLength('100');
                $d->setMinLength(null);
                $d->setRequired(true);

                $i->addData($d);

                $d = new Data();
                $d->setName('number_of_messages');
                $d->setValue($value['number_of_messages']);
                $d->setPrompt('Quantidade de mensagens enviadas');
                $d->setDataType('integer');
                $d->setMaxLength('100');
                $d->setMinLength(null);
                $d->setRequired(false);

                $i->addData($d);

                $d = new Data();
                $d->setName('id');
                $d->setValue($value['id']);
                $d->setPrompt('Id do contato dinamico');
                $d->setDataType('integer');
                $d->setMaxLength('100');
                $d->setMinLength(null);
                $d->setRequired(false);

                $i->addData($d);

                $l = new Link();

                $l->setHref('');
                $l->setRel('delete');
                $l->setAlt('Remover');
                $l->setPrompt('Remover');
                $l->setRender('link');

                $i->addLink($l);

                $l = new Link();
                $l->setHref('');
                $l->setRel('put');
                $l->setAlt('Atualizar');
                $l->setPrompt('Atualizar');
                $l->setRender('link');

                $i->addLink($l);

                $l = new Link();
                $l->setHref('/dynamiccontact/' . $value['id']);
                $l->setRel('get');
                $l->setAlt('Buscar');
                $l->setPrompt('Buscar');
                $l->setRender('link');

                $i->addLink($l);
                $c->addItem($i);
            }

            $t = new Template();
            $d = new Data();

            $d->setName('name');
            $d->setValue(null);
            $d->setPrompt('Nome do Contato Recente');
            $d->setDataType('string');
            $d->setMaxLength(100);
            $d->setMinLength(null);
            $d->setRequired(false);

            $t->addData($d);

            $d = new Data();
            $d->setName('mail');
            $d->setValue(null);
            $d->setPrompt('Email do Contato Recente');
            $d->setDataType('string');
            $d->setMaxLength(100);
            $d->setMinLength(null);
            $d->setRequired(true);

            $t->addData($d);

            $d = new Data();
            $d->setName('number_of_messages');
            $d->setValue(null);
            $d->setPrompt('Quantidade de mensagens enviadas');
            $d->setDataType('integer');
            $d->setMaxLength(100);
            $d->setMinLength(null);
            $d->setRequired(false);

            $t->addData($d);

            $c->setTemplate($t);

            $h->setCollection($c);
        } catch (Exception $ex) {
            $this->createException($request, $response, Response::INTERNALSERVERERROR, 'Internal Server Error', $ex);
            return $response;
        }

        $response->body = $h->getHypermedia($request->accept[10][0]);
        return $response;
    }

    /**
     * Salva um contato recente
     *
     * @license    http://www.gnu.org/copyleft/gpl.html GPL
     * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
     * @sponsor    Caixa Econômica Federal
     * @author     José Vicente Tezza Jr. 
     * @return     retorna a uri do contato recente
     * @access     public
     * */
    function post($request) {

        $this->secured();

        //verificar se a preferencia de contatos dinamicos nao esta ativada
        if(!$this->isEnabledDynamicContacts(Config::me("uidNumber")) ){
                $response = new Response($request);
                $this->createException($request, $response, Response::UNAUTHORIZED, 'Resource unauthorized', 'disabled dynamic contacts preference');
                return $response;
        }


        if (count($_POST) == 0) {
            $response = new Response($request);
            $response->code = Response::INTERNALSERVERERROR;
            return $response;
        }

        //recuperar os atributos definidos no conceito 'user'
        $map = Config::get('dynamicContact', 'PostgreSQL.mapping');

        $params = array();
        foreach ($_POST as $key => $value) {

            if (!isset($map[$key]) || $key == 'id' || $key == 'timestamp' || $key == 'number_of_messages') {
                continue;
            }
            $params[$key] = $value;
        }

        if (count($params) == 0) {
            $response = new Response($request);
            $response->code = Response::INTERNALSERVERERROR;
            return $response;
        }

        $response = new Response($request);
        $response->addHeader('Content-type', 'aplication/json');
        $response->code = Response::CREATED;


        //completar os atributos
        $params['owner'] = Config::me("uidNumber");
        $params['number_of_messages'] = '1';
        $params['timestamp'] = time();


        try {

                //verificar o limite maximo de contatos dinamicos nas preferencias do administrador
                $sql =  "SELECT config_value ".
                        "FROM phpgw_config ".
                        "WHERE config_app = 'expressoMail1_2' ".
                                "AND config_name = 'expressoMail_Number_of_dynamic_contacts'";

                $numberOfMessages = Controller::service('PostgreSQL')->execResultSql($sql, true);
                $numberOfMessages = (count($numberOfMessages) > 0) ? (int)$numberOfMessages['config_value'] : 0;

                //realizar busca de contatos dinamicos ordenados pela data de utilizacao
                $dynamicContacts = Controller::find(array('concept' => 'dynamicContact'), false, array('filter' => array('=', 'owner', Config::me("uidNumber")), 'order' => array('timestamp') ) );
                $numberOfDynamicContacts = ($dynamicContacts !== false) ? count($dynamicContacts) : 0;


                //se a quantidade de contatos dinamicos de usuario exceder o limite maximo definido nas preferencias do administrador,
                //remover o contato dinamico mais antigo
                if($numberOfMessages > 0 && $numberOfDynamicContacts >= $numberOfMessages){
                        $id = $dynamicContacts[0]['id'];
                        $delete = Controller::delete(array('concept' => 'dynamicContact', 'id' => $id));

                        if (!$delete) {
                                $this->createException($request, $response, Response::INTERNALSERVERERROR, 'Internal Server Error', Controller::service('PostgreSQL')->error);
                                return $response;
                        }
                }       

                //inserir o novo contato dinamico
                $create = Controller::create( array('concept' => 'dynamicContact'), $params );

                if (!$create) {
                        throw new Exception(Controller::service('PostgreSQL')->error);
                }

        } catch (Exception $ex) {

            $response->code = Response::INTERNALSERVERERROR;
            return $response;
        }
        $response->body = json_encode(null);

        return $response;
    }

    private function createException($request, &$response, $code, $title, $description) {
        $response->code = $code;

        $h = new Hypermedia();
        $c = new Collection($request->resources, 'DynamicContactResource');
        $e = new Error();

        $e->setCode($code);
        $e->setTitle($title);
        $e->setDescription($description);

        $c->setError($e);
        $h->setCollection($c);

        $response->body = $h->getHypermedia($request->accept[10][0]);
    }

    private function isEnabledDynamicContacts($user){

                //recuperando as preferencias (suas preferencias, preferencia padrão, preferencia obrigatoria)
                //dos contatos dinamicos
        $sql = 'SELECT preference_owner, preference_value '.
                'FROM phpgw_preferences '.
                'WHERE preference_app = \'expressoMail\' AND '.
                        'preference_owner in (-1,-2, ' . $user . ')';

        $preferences = Controller::service('PostgreSQL')->execResultSql($sql);

                $array = array();
        if(count($preferences) > 0){
                        foreach($preferences as $preference){
                                //recupera a preferencia
                $preference_value = unserialize( $preference['preference_value'] );
                
                                //gera um array com o owner e o valor da preferencia:
                                //true: SIM  (1)
                                //false: NAO (0)
                                //null: escolha pelo usuario/ usar padrao / sem padrao
                                $value = null;
                                if(isset($preference_value['use_dynamic_contacts'])){
                                        $value = (isset($preference_value['use_dynamic_contacts'])) ? $preference_value['use_dynamic_contacts'] == '1' : false;
                                }
                                $array[ $preference['preference_owner'] ] = $value;
                        }
        }

                //preferencia obrigatoria (SIM)
                if(array_key_exists(-1,$array) && $array[-1]){
                        return true;
                }
                //preferencia do user (SIM)
                else if(array_key_exists($user,$array) && $array[$user] ){
                        return true;
                }
                //preferencia padrao (SIM) escolhida pelo user
                else if(array_key_exists($user, $array) && $array[$user] === null &&
                        array_key_exists(-2, $array) && $array[-2]){
                        return true;
                }
                return false;
    }

}

?>