upgrade

plugin/surveyexporttxt/README.md

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+# Survey Export TXT
+
+Export surveys to TXT file.
+
+This plugin will add a new action button in survey list allowing export the survey.
+
+**Instructions**
+
+- Install plugin
+- Set enabled in configuration
+- Edit `configuration.php` file
+  ```php
+  $_configuration['survey_additional_teacher_modify_actions'] = [
+      // ...
+      'SurveyExportCSVPlugin' => ['SurveyExportTxtPlugin', 'filterModify'],
+  ];
+  ```

plugin/surveyexporttxt/SurveyExportTxtPlugin.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Class SurveyExportTxtPlugin.
+ */
+class SurveyExportTxtPlugin extends Plugin
+{
+    /**
+     * SurveyExportTxtPlugin constructor.
+     */
+    protected function __construct()
+    {
+        $settings = [
+            'enabled' => 'boolean',
+            'export_incomplete' => 'boolean',
+        ];
+
+        parent::__construct('0.1', 'Angel Fernando Quiroz Campos', $settings);
+    }
+
+    /**
+     * @return SurveyExportTxtPlugin|null
+     */
+    public static function create()
+    {
+        static $result = null;
+
+        return $result ? $result : $result = new self();
+    }
+
+    /**
+     * Installation process.
+     */
+    public function install()
+    {
+    }
+
+    /**
+     * Uninstallation process.
+     */
+    public function uninstall()
+    {
+    }
+
+    /**
+     * @param array $params
+     *
+     * @return string
+     */
+    public static function filterModify($params)
+    {
+        $enabled = api_get_plugin_setting('surveyexporttxt', 'enabled');
+
+        if ($enabled !== 'true') {
+            return '';
+        }
+
+        $surveyId = isset($params['survey_id']) ? (int) $params['survey_id'] : 0;
+        $iconSize = isset($params['icon_size']) ? $params['icon_size'] : ICON_SIZE_SMALL;
+
+        if (empty($surveyId)) {
+            return '';
+        }
+
+        return Display::url(
+            Display::return_icon('export_evaluation.png', get_lang('Export'), [], $iconSize),
+            api_get_path(WEB_PLUGIN_PATH).'surveyexporttxt/export.php?survey='.$surveyId.'&'.api_get_cidreq()
+        );
+    }
+
+    /**
+     * Create tools for all courses.
+     */
+    private function createLinkToCourseTools()
+    {
+        $result = Database::getManager()
+            ->createQuery('SELECT c.id FROM ChamiloCoreBundle:Course c')
+            ->getResult();
+
+        foreach ($result as $item) {
+            $this->createLinkToCourseTool($this->get_name().':teacher', $item['id'], 'survey.png');
+        }
+    }
+
+    /**
+     * Remove all course tools created by plugin.
+     */
+    private function removeLinkToCourseTools()
+    {
+        Database::getManager()
+            ->createQuery('DELETE FROM ChamiloCourseBundle:CTool t WHERE t.link LIKE :link AND t.category = :category')
+            ->execute(['link' => 'surveyexporttxt/start.php%', 'category' => 'plugin']);
+    }
+}

plugin/surveyexporttxt/export.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CourseBundle\Entity\CSurveyQuestionOption;
+
+require_once __DIR__.'/../../main/inc/global.inc.php';
+
+api_protect_course_script(true);
+api_protect_teacher_script();
+
+$surveyId = isset($_GET['survey']) ? (int) $_GET['survey'] : 0;
+$surveyData = SurveyManager::get_survey($surveyId);
+$courseId = api_get_course_int_id();
+
+if (empty($surveyData)) {
+    api_not_allowed(true);
+}
+
+$plugin = SurveyExportTxtPlugin::create();
+$allowExportIncomplete = 'true' === $plugin->get('export_incomplete');
+
+if ($plugin->get('enabled') !== 'true') {
+    api_not_allowed(true);
+}
+
+$questionsData = SurveyManager::get_questions($surveyId, $courseId);
+
+// Sort questions by their "sort" field
+usort(
+    $questionsData,
+    function ($qL, $qR) {
+        if ($qL['sort'] == $qR['sort']) {
+            return 0;
+        }
+
+        return $qL['sort'] < $qR['sort'] ? -1 : 1;
+    }
+);
+
+$content = [];
+
+$parts = [];
+$indexPart = 0;
+
+$numberOfQuestions = 0;
+
+// Separate questions in introduction and main blocks
+foreach ($questionsData as $questionData) {
+    if (!in_array($questionData['type'], ['yesno', 'pagebreak', 'multiplechoice'])) {
+        continue;
+    }
+
+    if ('pagebreak' === $questionData['type']) {
+        $indexPart++;
+
+        continue;
+    }
+
+    $numberOfQuestions++;
+
+    if (0 === $indexPart) {
+        $parts[0][] = $questionData;
+
+        continue;
+    }
+
+    $parts[$indexPart][] = $questionData;
+}
+
+if (count($parts) < 2) {
+    api_not_allowed(
+        true,
+        Display::return_message(get_lang('NoData'), 'warning')
+    );
+}
+
+// Process introduction questions to show
+foreach ($parts[0] as $key => $introQuestion) {
+    $content[] = chr($key + 97).'. '.strip_tags($introQuestion['question']);
+
+    foreach ($introQuestion['answers'] as $answer) {
+        $content[] = '>'.strip_tags($answer);
+    }
+}
+
+$content[] = str_repeat('*', 40);
+
+// Get surveys by users
+$surveyAnswers = Database::getManager()
+    ->createQuery(
+        'SELECT sa.user, MIN(sa.iid) AS id FROM ChamiloCourseBundle:CSurveyAnswer sa
+        WHERE sa.cId = :course AND sa.surveyId = :survey
+        GROUP BY sa.user ORDER BY id ASC'
+    )
+    ->setParameters(['course' => $courseId, 'survey' => $surveyId])
+    ->getResult();
+
+// Process answers
+$i = 1;
+
+foreach ($surveyAnswers as $answer) {
+    $userAnswersCount = 0;
+    $surveyLine = '';
+
+    // Show answers for introduction questions
+    foreach ($parts[0] as $introQuestion) {
+        $options = getQuestionOptions(
+            $answer['user'],
+            $courseId,
+            $introQuestion['survey_id'],
+            $introQuestion['question_id']
+        );
+        $userAnswersCount += count($options);
+
+        /** @var CSurveyQuestionOption $option */
+        foreach ($options as $option) {
+            $surveyLine .= '('.str_pad($option->getSort(), 2, '0', STR_PAD_LEFT).')';
+        }
+    }
+
+    $surveyLine .= '","';
+
+    foreach ($parts as $z => $part) {
+        if (0 === $z) {
+            continue;
+        }
+
+        // Show answers for main questions
+        foreach ($part as $mainQuestion) {
+            $options = getQuestionOptions(
+                $answer['user'],
+                $courseId,
+                $mainQuestion['survey_id'],
+                $mainQuestion['question_id']
+            );
+            $userAnswersCount += count($options);
+
+            /** @var CSurveyQuestionOption $option */
+            foreach ($options as $option) {
+                $surveyLine .= $option->getSort();
+            }
+        }
+    }
+
+    $surveyLine .= '"';
+
+    if (!$allowExportIncomplete && $userAnswersCount < $numberOfQuestions) {
+        continue;
+    }
+
+    $content[] = '"","'.$surveyLine.',"'.str_pad($i, 4, '0', STR_PAD_LEFT).'"';
+    $i++;
+}
+
+// Add EOL to lines
+$fileContent = array_map(
+    function ($line) {
+        return html_entity_decode($line).PHP_EOL;
+    },
+    $content
+);
+
+// Generate file
+$fileName = api_get_path(SYS_ARCHIVE_PATH).md5($surveyId.time()).'.txt';
+
+file_put_contents($fileName, $fileContent);
+
+DocumentManager::file_send_for_download($fileName, true);
+
+/**
+ * @param string $user
+ * @param int    $courseId
+ * @param int    $surveyId
+ * @param int    $questionId
+ *
+ * @return array
+ */
+function getQuestionOptions($user, $courseId, $surveyId, $questionId)
+{
+    $options = Database::getManager()
+        ->createQuery(
+            'SELECT sqo FROM ChamiloCourseBundle:CSurveyQuestionOption sqo
+            INNER JOIN ChamiloCourseBundle:CSurveyAnswer sa
+                WITH
+                    sqo.cId = sa.cId
+                    AND sqo.questionId = sa.questionId
+                    AND sqo.surveyId = sa.surveyId
+                    AND sqo.iid = sa.optionId
+            WHERE sa.user = :user AND sa.cId = :course AND sa.surveyId = :survey AND sa.questionId = :question'
+        )
+        ->setMaxResults(1)
+        ->setParameters(
+            [
+                'user' => $user,
+                'course' => $courseId,
+                'survey' => $surveyId,
+                'question' => $questionId,
+            ]
+        )
+        ->getResult();
+
+    return $options;
+}

plugin/surveyexporttxt/install.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+SurveyExportTxtPlugin::create()->install();

plugin/surveyexporttxt/lang/english.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+$strings['plugin_title'] = "Survey Export TXT";
+$strings['plugin_comment'] = "Export surveys results to TXT file";
+
+$strings['enabled'] = 'Enabled';
+$strings['export_incomplete'] = 'Export incomplete';
+$strings['export_incomplete_help'] = 'Allow export incomplete surveys. Disabled by default.';

plugin/surveyexporttxt/lang/spanish.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+$strings['plugin_title'] = "Survey Export TXT";
+$strings['plugin_comment'] = "Exportar resultados de encuestas en archivo TXT.";
+
+$strings['enabled'] = 'Habilitado';
+$strings['export_incomplete'] = 'Exportar incompletos';
+$strings['export_incomplete_help'] = 'Permitir exportar encuestas incompletas. Deshabilitado por defecto.';

plugin/surveyexporttxt/plugin.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+$plugin_info = SurveyExportTxtPlugin::create()->get_info();

plugin/surveyexporttxt/start.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+require_once __DIR__.'/../../main/inc/global.inc.php';
+
+api_protect_course_script(true);
+api_protect_teacher_script();
+
+$plugin = SurveyExportTxtPlugin::create();
+
+$courseCode = api_get_course_id();
+
+// Create a sortable table with survey-data
+$table = new SortableTable(
+    'surveys',
+    ['SurveyUtil', 'get_number_of_surveys'],
+    ['SurveyUtil', 'get_survey_data'],
+    2
+);
+$table->set_additional_parameters(['cidReq' => $courseCode]);
+$table->set_header(0, '', false);
+$table->setHideColumn(0);
+$table->set_header(1, get_lang('SurveyName'));
+$table->set_header(2, get_lang('SurveyCode'), true, ['class' => 'text-center'], ['class' => 'text-center']);
+$table->set_header(3, get_lang('NumberOfQuestions'), true, ['class' => 'text-right'], ['class' => 'text-right']);
+$table->set_header(4, get_lang('Author'));
+$table->set_header(5, get_lang('AvailableFrom'), true, ['class' => 'text-center'], ['class' => 'text-center']);
+$table->set_header(6, get_lang('AvailableUntil'), true, ['class' => 'text-center'], ['class' => 'text-center']);
+$table->set_header(7, get_lang('Invite'), true, ['class' => 'text-right'], ['class' => 'text-right']);
+$table->set_header(8, get_lang('Anonymous'), true, ['class' => 'text-center'], ['class' => 'text-center']);
+$table->set_column_filter(8, ['SurveyUtil', 'anonymous_filter']);
+
+if (api_get_configuration_value('allow_mandatory_survey')) {
+    $table->set_header(9, get_lang('IsMandatory'), true, ['class' => 'text-center'], ['class' => 'text-center']);
+    $table->set_header(10, get_lang('Export'), false, ['class' => 'text-center'], ['class' => 'text-center']);
+    $table->set_column_filter(10, ['SurveyExportTxtPlugin', 'filterModify']);
+} else {
+    $table->set_header(9, get_lang('Export'), false, ['class' => 'text-center'], ['class' => 'text-center']);
+    $table->set_column_filter(9, ['SurveyExportTxtPlugin', 'filterModify']);
+}
+
+$pageTitle = $plugin->get_title();
+
+$template = new Template($pageTitle);
+
+$content = $table->return_table();
+
+$template->assign('header', $pageTitle);
+$template->assign('content', $content);
+$template->display_one_col_template();

plugin/surveyexporttxt/uninstall.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+SurveyExportTxtPlugin::create()->uninstall();