/**
* Returns the number of answers matching the quota
*
* @param int $iSurveyId - Survey identification number
* @param int $quotaid - quota id for which you want to compute the completed field
* @return mixed - value of matching entries in the result DB or null
*/
function getQuotaCompletedCount($iSurveyId, $quotaid)
{
    if (!tableExists("survey_{$iSurveyId}")) {
        // Yii::app()->db->schema->getTable('{{survey_' . $iSurveyId . '}}' are not updated even after Yii::app()->db->schema->refresh();
        return;
    }
    $aColumnName = SurveyDynamic::model($iSurveyId)->getTableSchema()->getColumnNames();
    $aQuotas = getQuotaInformation($iSurveyId, Survey::model()->findByPk($iSurveyId)->language, $quotaid);
    $aQuota = $aQuotas[0];
    if (Yii::app()->db->schema->getTable('{{survey_' . $iSurveyId . '}}') && count($aQuota['members']) > 0) {
        // Keep a list of fields for easy reference
        $aQuotaColumns = array();
        foreach ($aQuota['members'] as $member) {
            if (in_array($member['fieldname'], $aColumnName)) {
                $aQuotaColumns[$member['fieldname']][] = $member['value'];
            } else {
                return;
            }
        }
        $oCriteria = new CDbCriteria();
        $oCriteria->condition = "submitdate IS NOT NULL";
        foreach ($aQuotaColumns as $sColumn => $aValue) {
            if (count($aValue) == 1) {
                $oCriteria->compare(Yii::app()->db->quoteColumnName($sColumn), $aValue);
                // NO need params : compare bind
            } else {
                $oCriteria->addInCondition(Yii::app()->db->quoteColumnName($sColumn), $aValue);
                // NO need params : addInCondition bind
            }
        }
        return SurveyDynamic::model($iSurveyId)->count($oCriteria);
    }
}

/**
* checkQuota() returns quota information for the current survey
* @param string $checkaction - action the function must take after completing:
* 								enforce: Enforce the Quota action
* 								return: Return the updated quota array from getQuotaAnswers()
* @param string $surveyid - Survey identification number
* @return array - nested array, Quotas->Members->Fields, includes quota status and which members matched in session.
*/
function checkQuota($checkaction, $surveyid)
{
    global $clienttoken;
    if (!isset($_SESSION['survey_' . $surveyid]['srid'])) {
        return;
    }
    $thissurvey = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
    $sTemplatePath = getTemplatePath($thissurvey['templatedir']);
    $global_matched = false;
    $quota_info = getQuotaInformation($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
    $x = 0;
    $clang = Yii::app()->lang;
    if (count($quota_info) > 0) {
        // Check each quota on saved data to see if it is full
        $querycond = array();
        foreach ($quota_info as $quota) {
            if (count($quota['members']) > 0) {
                $fields_list = array();
                // Keep a list of fields for easy reference
                $y = 0;
                // We need to make the conditions for the select statement here
                unset($querycond);
                // fill the array of value and query for each fieldnames
                $fields_value_array = array();
                $fields_query_array = array();
                foreach ($quota['members'] as $member) {
                    foreach ($member['fieldnames'] as $fieldname) {
                        if (!in_array($fieldname, $fields_list)) {
                            $fields_list[] = $fieldname;
                            $fields_value_array[$fieldname] = array();
                            $fields_query_array[$fieldname] = array();
                        }
                        $fields_value_array[$fieldname][] = $member['value'];
                        $fields_query_array[$fieldname][] = dbQuoteID($fieldname) . " = '{$member['value']}'";
                    }
                }
                // fill the $querycond array with each fields_query grouped by fieldname
                foreach ($fields_list as $fieldname) {
                    $select_query = " ( " . implode(' OR ', $fields_query_array[$fieldname]) . ' )';
                    $querycond[] = $select_query;
                }
                // Test if the fieldname is in the array of value in the session
                foreach ($quota['members'] as $member) {
                    foreach ($member['fieldnames'] as $fieldname) {
                        if (isset($_SESSION['survey_' . $surveyid][$fieldname])) {
                            if (in_array($_SESSION['survey_' . $surveyid][$fieldname], $fields_value_array[$fieldname])) {
                                $quota_info[$x]['members'][$y]['insession'] = "true";
                            }
                        }
                    }
                    $y++;
                }
                unset($fields_query_array);
                unset($fields_value_array);
                // Lets only continue if any of the quota fields is in the posted page
                $matched_fields = false;
                if (isset($_POST['fieldnames'])) {
                    $posted_fields = explode("|", $_POST['fieldnames']);
                    foreach ($fields_list as $checkfield) {
                        if (in_array($checkfield, $posted_fields)) {
                            $matched_fields = true;
                            $global_matched = true;
                        }
                    }
                }
                // A field was submitted that is part of the quota
                if ($matched_fields == true) {
                    // Check the status of the quota, is it full or not
                    $sQuery = "SELECT count(id) FROM {{survey_" . $surveyid . "}}\n                    WHERE " . implode(' AND ', $querycond) . " " . "\n                    AND submitdate IS NOT NULL";
                    $iRowCount = Yii::app()->db->createCommand($sQuery)->queryScalar();
                    if ($iRowCount >= $quota['Limit']) {
                        // Now we have to check if the quota matches in the current session
                        // This will let us know if this person is going to exceed the quota
                        $counted_matches = 0;
                        foreach ($quota_info[$x]['members'] as $member) {
                            if (isset($member['insession']) && $member['insession'] == "true") {
                                $counted_matches++;
                            }
                        }
                        if ($counted_matches == count($quota['members'])) {
                            // They are going to exceed the quota if data is submitted
                            $quota_info[$x]['status'] = "matched";
                        } else {
                            $quota_info[$x]['status'] = "notmatched";
                        }
                    } else {
                        // Quota is no in danger of being exceeded.
                        $quota_info[$x]['status'] = "notmatched";
                    }
                }
            }
            $x++;
//.........这里部分代码省略.........

/**
* checkCompletedQuota() returns matched quotas information for the current response
* @param integer $surveyid - Survey identification number
* @param bool $return - set to true to return information, false do the quota
* @return array - nested array, Quotas->Members->Fields, includes quota information matched in session.
*/
function checkCompletedQuota($surveyid, $return = false)
{
    if (!isset($_SESSION['survey_' . $surveyid]['srid'])) {
        return;
    }
    static $aMatchedQuotas;
    // EM call 2 times quotas with 3 lines of php code, then use static.
    if (!$aMatchedQuotas) {
        $aMatchedQuotas = array();
        $quota_info = $aQuotasInfo = getQuotaInformation($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
        // $aQuotasInfo have an 'active' key, we don't use it ?
        if (!$aQuotasInfo || empty($aQuotasInfo)) {
            return $aMatchedQuotas;
        }
        // Test only completed quota, other is not needed
        $aQuotasCompleted = array();
        foreach ($aQuotasInfo as $aQuotaInfo) {
            $iCompleted = getQuotaCompletedCount($surveyid, $aQuotaInfo['id']);
            // Return a string
            if (ctype_digit($iCompleted) && (int) $iCompleted >= (int) $aQuotaInfo['qlimit']) {
                // This remove invalid quota and not completed
                $aQuotasCompleted[] = $aQuotaInfo;
            }
        }
        if (empty($aQuotasCompleted)) {
            return $aMatchedQuotas;
        }
        // OK, we have some quota, then find if this $_SESSION have some set
        $aPostedFields = explode("|", Yii::app()->request->getPost('fieldnames', ''));
        // Needed for quota allowing update
        foreach ($aQuotasCompleted as $aQuotaCompleted) {
            $iMatchedAnswers = 0;
            $bPostedField = false;
            // Array of field with quota array value
            $aQuotaFields = array();
            // Array of fieldnames with relevance value : EM fill $_SESSION with default value even is unrelevant (em_manager_helper line 6548)
            $aQuotaRelevantFieldnames = array();
            foreach ($aQuotaCompleted['members'] as $aQuotaMember) {
                $aQuotaFields[$aQuotaMember['fieldname']][] = $aQuotaMember['value'];
                $aQuotaRelevantFieldnames[$aQuotaMember['fieldname']] = isset($_SESSION['survey_' . $surveyid]['relevanceStatus'][$aQuotaMember['qid']]) && $_SESSION['survey_' . $surveyid]['relevanceStatus'][$aQuotaMember['qid']];
            }
            // For each field : test if actual responses is in quota (and is relevant)
            foreach ($aQuotaFields as $sFieldName => $aValues) {
                $bInQuota = isset($_SESSION['survey_' . $surveyid][$sFieldName]) && in_array($_SESSION['survey_' . $surveyid][$sFieldName], $aValues);
                if ($bInQuota && $aQuotaRelevantFieldnames[$sFieldName]) {
                    $iMatchedAnswers++;
                }
                if (in_array($sFieldName, $aPostedFields)) {
                    $bPostedField = true;
                }
            }
            if ($iMatchedAnswers == count($aQuotaFields)) {
                switch ($aQuotaCompleted['action']) {
                    case '1':
                    default:
                        $aMatchedQuotas[] = $aQuotaCompleted;
                        break;
                    case '2':
                        if ($bPostedField) {
                            // Action 2 allow to correct last answers, then need to be posted
                            $aMatchedQuotas[] = $aQuotaCompleted;
                        }
                        break;
                }
            }
        }
    }
    if ($return) {
        return $aMatchedQuotas;
    }
    if (empty($aMatchedQuotas)) {
        return;
    }
    // Now we have all the information we need about the quotas and their status.
    // We need to construct the page and do all needed action
    $aSurveyInfo = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
    $sTemplatePath = getTemplatePath($aSurveyInfo['templatedir']);
    $sClientToken = isset($_SESSION['survey_' . $surveyid]['token']) ? $_SESSION['survey_' . $surveyid]['token'] : "";
    // {TOKEN} is take by $redata ...
    // $redata for templatereplace
    $aDataReplacement = array('thissurvey' => $aSurveyInfo, 'clienttoken' => $sClientToken, 'token' => $sClientToken);
    // We take only the first matched quota, no need for each
    $aMatchedQuota = $aMatchedQuotas[0];
    // If a token is used then mark the token as completed, do it before event : this allow plugin to update token information
    $event = new PluginEvent('afterSurveyQuota');
    $event->set('surveyId', $surveyid);
    $event->set('responseId', $_SESSION['survey_' . $surveyid]['srid']);
    // We allways have a responseId
    $event->set('aMatchedQuotas', $aMatchedQuotas);
    // Give all the matched quota : the first is the active
    App()->getPluginManager()->dispatchEvent($event);
    $blocks = array();
    foreach ($event->getAllContent() as $blockData) {
        /* @var $blockData PluginEventContent */
//.........这里部分代码省略.........

/**
* Returns the number of answers matching the quota
*
* @param int $iSurveyId - Survey identification number
* @param int $quotaid - quota id for which you want to compute the completed field
* @return mixed - Integer of matching entries in the result DB or 'N/A'
*/
function getQuotaCompletedCount($iSurveyId, $quotaid)
{
    $result = "N/A";
    $quota_info = getQuotaInformation($iSurveyId, Survey::model()->findByPk($iSurveyId)->language, $quotaid);
    $quota = $quota_info[0];
    if (Yii::app()->db->schema->getTable('{{survey_' . $iSurveyId . '}}') && count($quota['members']) > 0) {
        // Keep a list of fields for easy reference
        $fields_list = array();
        // Construct an array of value for each $quota['members']['fieldnames']
        $fields_query = array();
        foreach ($quota['members'] as $member) {
            $criteria = new CDbCriteria();
            foreach ($member['fieldnames'] as $fieldname) {
                if (!in_array($fieldname, $fields_list)) {
                    $fields_list[] = $fieldname;
                }
                $criteria->addColumnCondition(array($fieldname => $member['value']), 'OR');
            }
            $fields_query[$fieldname] = $criteria;
        }
        $criteria = new CDbCriteria();
        foreach ($fields_list as $fieldname) {
            $criteria->mergeWith($fields_query[$fieldname]);
        }
        $result = Survey_dynamic::model($iSurveyId)->count($criteria);
    }
    return $result;
}

/**
* checkCompletedQuota() returns matched quotas information for the current response
* @param integer $surveyid - Survey identification number
* @param bool $return - set to true to return information, false do the quota
* @return array|void - nested array, Quotas->Members->Fields, includes quota information matched in session.
*/
function checkCompletedQuota($surveyid, $return = false)
{
    /* Check if session is set */
    if (!isset(App()->session['survey_' . $surveyid]['srid'])) {
        return;
    }
    /* Check is Response is already submitted : only when "do" the quota: allow to send information about quota */
    $oResponse = Response::model($surveyid)->findByPk(App()->session['survey_' . $surveyid]['srid']);
    if (!$return && $oResponse && !is_null($oResponse->submitdate)) {
        return;
    }
    static $aMatchedQuotas;
    // EM call 2 times quotas with 3 lines of php code, then use static.
    if (!$aMatchedQuotas) {
        $aMatchedQuotas = array();
        $quota_info = $aQuotasInfo = getQuotaInformation($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
        // $aQuotasInfo have an 'active' key, we don't use it ?
        if (!$aQuotasInfo || empty($aQuotasInfo)) {
            return $aMatchedQuotas;
        }
        // OK, we have some quota, then find if this $_SESSION have some set
        $aPostedFields = explode("|", Yii::app()->request->getPost('fieldnames', ''));
        // Needed for quota allowing update
        foreach ($aQuotasInfo as $aQuotaInfo) {
            if (count($aQuotaInfo['members']) === 0) {
                continue;
            }
            $iMatchedAnswers = 0;
            $bPostedField = false;
            // Array of field with quota array value
            $aQuotaFields = array();
            // Array of fieldnames with relevance value : EM fill $_SESSION with default value even is unrelevant (em_manager_helper line 6548)
            $aQuotaRelevantFieldnames = array();
            // To count number of hidden questions
            $aQuotaQid = array();
            foreach ($aQuotaInfo['members'] as $aQuotaMember) {
                $aQuotaFields[$aQuotaMember['fieldname']][] = $aQuotaMember['value'];
                $aQuotaRelevantFieldnames[$aQuotaMember['fieldname']] = isset($_SESSION['survey_' . $surveyid]['relevanceStatus'][$aQuotaMember['qid']]) && $_SESSION['survey_' . $surveyid]['relevanceStatus'][$aQuotaMember['qid']];
                $aQuotaQid[] = $aQuotaMember['qid'];
            }
            $aQuotaQid = array_unique($aQuotaQid);
            // For each field : test if actual responses is in quota (and is relevant)
            foreach ($aQuotaFields as $sFieldName => $aValues) {
                $bInQuota = isset($_SESSION['survey_' . $surveyid][$sFieldName]) && in_array($_SESSION['survey_' . $surveyid][$sFieldName], $aValues);
                if ($bInQuota && $aQuotaRelevantFieldnames[$sFieldName]) {
                    $iMatchedAnswers++;
                }
                if (in_array($sFieldName, $aPostedFields)) {
                    // Need only one posted value
                    $bPostedField = true;
                }
            }
            // Condition to count quota : Answers are the same in quota + an answer is submitted at this time (bPostedField) OR all questions is hidden (bAllHidden)
            $bAllHidden = QuestionAttribute::model()->countByAttributes(array('qid' => $aQuotaQid), 'attribute=:attribute', array(':attribute' => 'hidden')) == count($aQuotaQid);
            if ($iMatchedAnswers == count($aQuotaFields) && ($bPostedField || $bAllHidden)) {
                if ($aQuotaInfo['qlimit'] == 0) {
                    // Always add the quota if qlimit==0
                    $aMatchedQuotas[] = $aQuotaInfo;
                } else {
                    $iCompleted = getQuotaCompletedCount($surveyid, $aQuotaInfo['id']);
                    if (!is_null($iCompleted) && (int) $iCompleted >= (int) $aQuotaInfo['qlimit']) {
                        // This remove invalid quota and not completed
                        $aMatchedQuotas[] = $aQuotaInfo;
                    }
                }
            }
        }
    }
    if ($return) {
        return $aMatchedQuotas;
    }
    if (empty($aMatchedQuotas)) {
        return;
    }
    // Now we have all the information we need about the quotas and their status.
    // We need to construct the page and do all needed action
    $aSurveyInfo = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
    $oTemplate = Template::model()->getInstance('', $surveyid);
    $sTemplatePath = $oTemplate->path;
    $sTemplateViewPath = $oTemplate->viewPath;
    $sClientToken = isset($_SESSION['survey_' . $surveyid]['token']) ? $_SESSION['survey_' . $surveyid]['token'] : "";
    // $redata for templatereplace
    $aDataReplacement = array('thissurvey' => $aSurveyInfo, 'clienttoken' => $sClientToken, 'token' => $sClientToken);
    // We take only the first matched quota, no need for each
    $aMatchedQuota = $aMatchedQuotas[0];
    // If a token is used then mark the token as completed, do it before event : this allow plugin to update token information
    $event = new PluginEvent('afterSurveyQuota');
    $event->set('surveyId', $surveyid);
    $event->set('responseId', $_SESSION['survey_' . $surveyid]['srid']);
    // We allways have a responseId
    $event->set('aMatchedQuotas', $aMatchedQuotas);
    // Give all the matched quota : the first is the active
    App()->getPluginManager()->dispatchEvent($event);
    $blocks = array();
//.........这里部分代码省略.........

/**
* Returns the number of answers matching the quota
*
* @param int $iSurveyId - Survey identification number
* @param int $quotaid - quota id for which you want to compute the completed field
* @return string - Integer of matching entries in the result DB or 'N/A'
*/
function getQuotaCompletedCount($iSurveyId, $quotaid)
{
    $result = "N/A";
    if (!tableExists("survey_{$iSurveyId}")) {
        // Yii::app()->db->schema->getTable('{{survey_' . $iSurveyId . '}}' are not updated even after Yii::app()->db->schema->refresh();
        return $result;
    }
    $aColumnName = SurveyDynamic::model($iSurveyId)->getTableSchema()->getColumnNames();
    $quota_info = getQuotaInformation($iSurveyId, Survey::model()->findByPk($iSurveyId)->language, $quotaid);
    $quota = $quota_info[0];
    if (count($quota['members']) > 0) {
        // Keep a list of fields for easy reference
        $fields_list = array();
        // Construct an array of value for each $quota['members']['fieldnames']
        $fields_query = array();
        foreach ($quota['members'] as $member) {
            if (in_array($member['fieldname'], $aColumnName)) {
                $fields_list[$member['fieldname']][] = $member['value'];
            } else {
                return $result;
            }
            // We return N/A even for activated survey : $member['fieldname'] don't exist anymore (deleted question for example)
        }
        $criteria = new CDbCriteria();
        $criteria->condition = "submitdate IS NOT NULL";
        foreach ($fields_list as $fieldname => $aValue) {
            if (count($aValue) == 1) {
                $criteria->compare(Yii::app()->db->quoteColumnName($fieldname), $aValue[0]);
                // NO need params
            } else {
                $criteria->addInCondition(Yii::app()->db->quoteColumnName($fieldname), $aValue);
                // NO need params : addInCondition bind automatically
            }
        }
        // Ensure to return a string, Yii count return a string (see http://www.yiiframework.com/doc/api/1.1/CActiveRecord#count-detail)
        // But seems under certain condition, count return integer  see http://bugs.limesurvey.org/view.php?id=9587#c31917
        $result = strval(SurveyDynamic::model($iSurveyId)->count($criteria));
    }
    return $result;
}

/**
 * get_quotaCompletedCount() returns the number of answers matching the quota
 * @param string $surveyid - Survey identification number
 * @param string $quotaid - quota id for which you want to compute the completed field
 * @return string - number of mathing entries in the result DB or 'N/A'
 */
function get_quotaCompletedCount($surveyid, $quotaid)
{
    $result = "N/A";
    $quota_info = getQuotaInformation($surveyid, GetBaseLanguageFromSurveyID($surveyid), $quotaid);
    $quota = $quota_info[0];
    if (db_tables_exist(db_table_name_nq('survey_' . $surveyid)) && count($quota['members']) > 0) {
        $fields_list = array();
        // Keep a list of fields for easy reference
        // construct an array of value for each $quota['members']['fieldnames']
        unset($querycond);
        $fields_query = array();
        foreach ($quota['members'] as $member) {
            foreach ($member['fieldnames'] as $fieldname) {
                if (!in_array($fieldname, $fields_list)) {
                    $fields_list[] = $fieldname;
                    $fields_query[$fieldname] = array();
                }
                $fields_query[$fieldname][] = db_quote_id($fieldname) . " = '{$member['value']}'";
            }
        }
        foreach ($fields_list as $fieldname) {
            $select_query = " ( " . implode(' OR ', $fields_query[$fieldname]) . ' )';
            $querycond[] = $select_query;
        }
        $querysel = "SELECT count(id) as count FROM " . db_table_name('survey_' . $surveyid) . " WHERE " . implode(' AND ', $querycond) . " " . " AND submitdate IS NOT NULL";
        $result = db_execute_assoc($querysel) or safe_die($connect->ErrorMsg());
        //Checked
        $quota_check = $result->FetchRow();
        $result = $quota_check['count'];
    }
    return $result;
}

/**
* Returns the number of answers matching the quota
*
* @param int $iSurveyId - Survey identification number
* @param int $quotaid - quota id for which you want to compute the completed field
* @return mixed - Integer of matching entries in the result DB or 'N/A'
*/
function getQuotaCompletedCount($iSurveyId, $quotaid)
{
    $result = "N/A";
    if (!tableExists("survey_{$iSurveyId}")) {
        // Yii::app()->db->schema->getTable('{{survey_' . $iSurveyId . '}}' are not updated even after Yii::app()->db->schema->refresh();
        return $result;
    }
    $aColumnName = SurveyDynamic::model($iSurveyId)->getTableSchema()->getColumnNames();
    $quota_info = getQuotaInformation($iSurveyId, Survey::model()->findByPk($iSurveyId)->language, $quotaid);
    $quota = $quota_info[0];
    if (count($quota['members']) > 0) {
        // Keep a list of fields for easy reference
        $fields_list = array();
        // Construct an array of value for each $quota['members']['fieldnames']
        $fields_query = array();
        foreach ($quota['members'] as $member) {
            if (in_array($member['fieldname'], $aColumnName)) {
                $fields_list[$member['fieldname']][] = $member['value'];
            } else {
                return $result;
            }
            // We return N/A even for activated survey
        }
        $criteria = new CDbCriteria();
        $criteria->condition = "submitdate IS NOT NULL";
        $aParams = array();
        foreach ($fields_list as $fieldname => $aValue) {
            if (count($aValue) == 1) {
                // Quote columnName : starting with number broke mssql
                $criteria->addCondition(Yii::app()->db->quoteColumnName($fieldname) . " = :field{$fieldname}");
                $aParams[":field{$fieldname}"] = $aValue[0];
            } else {
                $criteria->addInCondition(Yii::app()->db->quoteColumnName($fieldname), $aValue);
                // NO need params : addInCondition bind automatically
            }
            // We can use directly addInCondition, but don't know what is speediest.
        }
        if (!empty($aParams)) {
            $criteria->params = $aParams;
        }
        $result = SurveyDynamic::model($iSurveyId)->count($criteria);
    }
    return $result;
}