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<!DOCTYPE html>
<html>
<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\TagManager\Dao;


use Piwik\Db;
use Piwik\DbHelper;
use Piwik\Piwik;
use Exception;
use Piwik\Plugins\TagManager\Input\Description;
use Piwik\Plugins\TagManager\Input\Name;

class TriggersDao extends BaseDao implements TagManagerDao
{
    protected $table = 'tagmanager_trigger';

    public function install()
    {
        DbHelper::createTable($this->table, "
                  `idtrigger` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                  `idcontainerversion` BIGINT UNSIGNED NOT NULL,
                  `idsite` INT(11) UNSIGNED NOT NULL,
                  `type` VARCHAR(50) NOT NULL,
                  `name` VARCHAR(" . Name::MAX_LENGTH . ") NOT NULL,
                  `description` VARCHAR(" . Description::MAX_LENGTH . ") NOT NULL,
                  `status` VARCHAR(10) NOT NULL,
                  `parameters` MEDIUMTEXT NOT NULL DEFAULT '',
                  `conditions` MEDIUMTEXT NOT NULL DEFAULT '',
                  `created_date` DATETIME NOT NULL,
                  `updated_date` DATETIME NOT NULL,
                  `deleted_date` DATETIME NULL,
                  PRIMARY KEY(`idtrigger`), KEY (`idsite`, `idcontainerversion`)");
        // we cannot set a unique key on (`idsite`, `idcontainerversion`, `name`) because we soft delete tags and want to make sure names can be used again after deleting an entry
    }

    private function isNameInUse($idSite, $idContainerVersion, $name, $exceptIdTrigger = null)
    {
        $sql = sprintf("SELECT idtrigger FROM %s WHERE idsite = ? AND idcontainerversion = ? AND `name` = ? AND status = ?", $this->tablePrefixed);
        $bind = array($idSite, $idContainerVersion, $name, self::STATUS_ACTIVE);

        if (!empty($exceptIdTrigger)) {
            $sql .= ' AND idtrigger != ?';
            $bind[] = $exceptIdTrigger;
        }

        $idSite = Db::fetchOne($sql, $bind);
        return !empty($idSite);
    }

    public function createTrigger($idSite, $idContainerVersion, $type, $name, $parameters, $conditions, $createdDate, $description = '')
    {
        if ($this->isNameInUse($idSite, $idContainerVersion, $name)) {
            throw new Exception(Piwik::translate('TagManager_ErrorNameDuplicate'));
        }

        $values = array(
            'idsite' => $idSite,
            'idcontainerversion' => $idContainerVersion,
            'status' => self::STATUS_ACTIVE,
            'type' => $type,
            'name' => $name,
            'description' => $description,
            'parameters' => $parameters,
            'conditions' => $conditions,
            'created_date' => $createdDate,
            'updated_date' => $createdDate
        );

        $values = $this->encodeFieldsWhereNeeded($values);

        return $this->insertRecord($values);
    }

    public function updateTriggerColumns($idSite, $idContainerVersion, $idTrigger, $columns)
    {
        $columns = $this->encodeFieldsWhereNeeded($columns);

        if (!empty($columns)) {
            if (isset($columns['name']) && $this->isNameInUse($idSite, $idContainerVersion, $columns['name'], $idTrigger)) {
                throw new Exception(Piwik::translate('TagManager_ErrorNameDuplicate'));
            }

            $this->updateEntity($columns, ['idsite' => (int)$idSite, 'idcontainerversion' => (int)$idContainerVersion, 'idtrigger' => (int)$idTrigger]);
        }
    }

    private function encodeFieldsWhereNeeded($columns)
    {
        if (!empty($columns['parameters'])) {
            $columns['parameters'] = json_encode($columns['parameters']);
        } elseif (isset($columns['parameters'])) {
            $columns['parameters'] = '';
        }

        if (!empty($columns['conditions'])) {
            $columns['conditions'] = json_encode($columns['conditions']);
        } elseif (isset($columns['conditions'])) {
            $columns['conditions'] = '';
        }

        return $columns;
    }

    public function getAllTriggers()
    {
        $triggers = Db::fetchAll('SELECT * FROM ' . $this->tablePrefixed . ' ORDER BY idtrigger ASC');
        return $this->enrichTriggers($triggers);
    }

    /**
     * @param int $idSite
     * @param int $idContainerVersion
     * @return array
     */
    public function getContainerTriggers($idSite, $idContainerVersion)
    {
        $bind = array(self::STATUS_ACTIVE, $idSite, $idContainerVersion);

        $table = $this->tablePrefixed;
        $triggers = Db::fetchAll("SELECT * FROM $table WHERE status = ? AND idsite = ? and idcontainerversion = ? ORDER BY created_date ASC", $bind);

        return $this->enrichTriggers($triggers);
    }

    /**
     * @param $idSite
     * @param $idContainerVersion
     * @param $idTrigger
     * @return array|false
     * @throws \Exception
     */
    public function getContainerTrigger($idSite, $idContainerVersion, $idTrigger)
    {
        $table = $this->tablePrefixed;
        $bind = array(self::STATUS_ACTIVE, $idTrigger, $idContainerVersion, $idSite);
        $trigger = Db::fetchRow("SELECT * FROM $table WHERE status = ? and idtrigger = ? and idcontainerversion = ? and idsite = ?", $bind);

        return $this->enrichTrigger($trigger);
    }

    /**
     * @param int $idSite
     * @param string $deletedDate
     */
    public function deleteTriggersForSite($idSite, $deletedDate)
    {
        $table = $this->tablePrefixed;

        $query = "UPDATE $table SET status = ?, deleted_date = ? WHERE idsite = ? and status != ?";
        $bind = array(self::STATUS_DELETED, $deletedDate, $idSite, self::STATUS_DELETED);

        Db::query($query, $bind);
    }

    /**
     * @param int $idSite
     * @param int $idContainerVersion
     * @param int $idTrigger
     * @param string $deletedDate
     */
    public function deleteContainerTrigger($idSite, $idContainerVersion, $idTrigger, $deletedDate)
    {
        $table = $this->tablePrefixed;

        $query = "UPDATE $table SET status = ?, deleted_date = ? WHERE idsite = ? and idcontainerversion = ? and idtrigger = ? and status != ?";
        $bind = array(self::STATUS_DELETED, $deletedDate, $idSite, $idContainerVersion, $idTrigger, self::STATUS_DELETED);

        Db::query($query, $bind);
    }

    private function enrichTriggers($triggers)
    {
        if (empty($triggers)) {
            return array();
        }

        foreach ($triggers as $index => $trigger) {
            $triggers[$index] = $this->enrichTrigger($trigger);
        }

        return $triggers;
    }

    private function enrichTrigger($trigger)
    {
        if (empty($trigger)) {
            return $trigger;
        }

        $trigger['idtrigger'] = (int) $trigger['idtrigger'];
        $trigger['idsite'] = (int) $trigger['idsite'];
        $trigger['idcontainerversion'] = (int) $trigger['idcontainerversion'];

        if (!empty($trigger['parameters'])) {
            $trigger['parameters'] = json_decode($trigger['parameters'], true);
        }
        if (empty($trigger['parameters'])) {
            $trigger['parameters'] = [];
        }

        if (!empty($trigger['conditions'])) {
            $trigger['conditions'] = json_decode($trigger['conditions'], true);
        }
        if (empty($trigger['conditions'])) {
            $trigger['conditions'] = [];
        }

        return $trigger;
    }
}

