MDL-57455 mod_data: Import and export tags

mod/data/export.php

@@ -32,6 +32,7 @@ $d = required_param('d', PARAM_INT);
 $exportuser = optional_param('exportuser', false, PARAM_BOOL); // Flag for exporting user details
 $exporttime = optional_param('exporttime', false, PARAM_BOOL); // Flag for exporting date/time information
 $exportapproval = optional_param('exportapproval', false, PARAM_BOOL); // Flag for exporting user details
+$tags = optional_param('exporttags', false, PARAM_BOOL); // Flag for exporting user details.
 
 $PAGE->set_url('/mod/data/export.php', array('d'=>$d));
 
@@ -111,7 +112,7 @@ foreach ($formdata as $key => $value) {
 $currentgroup = groups_get_activity_group($cm);
 
 $exportdata = data_get_exportdata($data->id, $fields, $selectedfields, $currentgroup, $context,
-                                  $exportuser, $exporttime, $exportapproval);
+                                  $exportuser, $exporttime, $exportapproval, $tags);
 $count = count($exportdata);
 switch ($formdata['exporttype']) {
     case 'csv':

mod/data/export_form.php

@@ -85,6 +85,11 @@ class mod_data_export_form extends moodleform {
         if ($this->_data->approval) {
             $mform->addElement('checkbox', 'exportapproval', get_string('includeapproval', 'data'));
         }
+
+        if (core_tag_tag::is_enabled('mod_data', 'data_records')) {
+            $mform->addElement('checkbox', 'exporttags', get_string('includetags', 'data'));
+        }
+
         $this->add_action_buttons(true, get_string('exportentries', 'data'));
     }
 

mod/data/import.php

@@ -116,7 +116,7 @@ if (!$formdata = $form->get_data()) {
         $errorfield = '';
         $safetoskipfields = array(get_string('user'), get_string('username'), get_string('email'),
             get_string('timeadded', 'data'), get_string('timemodified', 'data'),
-            get_string('approved', 'data'));
+            get_string('approved', 'data'), get_string('tags', 'data'));
         foreach ($fieldnames as $name => $id) {
             if (!isset($rawfields[$name])) {
                 if (!in_array($name, $safetoskipfields)) {
@@ -156,6 +156,21 @@ if (!$formdata = $form->get_data()) {
                         $DB->insert_record('data_content', $content);
                     }
                 }
+
+                if (core_tag_tag::is_enabled('mod_data', 'data_records') &&
+                        isset($fieldnames[get_string('tags', 'data')])) {
+                    $columnindex = $fieldnames[get_string('tags', 'data')];
+                    $rawtags = $record[$columnindex];
+                    $tags = explode(',', $rawtags);
+                    foreach ($tags as $tag) {
+                        $tag = trim($tag);
+                        if (empty($tag)) {
+                            continue;
+                        }
+                        core_tag_tag::add_item_tag('mod_data', 'data_records', $recordid, $context, $tag);
+                    }
+                }
+
                 $recordsadded++;
                 print get_string('added', 'moodle', $recordsadded) . ". " . get_string('entry', 'data') . " (ID $recordid)<br />\n";
             }

mod/data/lang/en/data.php

@@ -201,6 +201,7 @@ $string['expired'] = 'Sorry, this activity closed on {$a} and is no longer avail
 $string['importentries'] = 'Import entries';
 $string['importsuccess'] = 'The preset has been successfully applied.';
 $string['includeapproval'] = 'Include approval status';
+$string['includetags'] = 'Include tags';
 $string['includetime'] = 'Include time added/modified';
 $string['includeuserdetails'] = 'Include user details';
 $string['indicator:cognitivedepth'] = 'Database cognitive';
@@ -346,6 +347,7 @@ $string['subplugintype_datafield_plural'] = 'Database field types';
 $string['subplugintype_datapreset'] = 'Preset';
 $string['subplugintype_datapreset_plural'] = 'Presets';
 $string['tagarea_data_records'] = 'Data records';
+$string['tags'] = 'tags';
 $string['teachersandstudents'] = '{$a->teachers} and {$a->students}';
 $string['templates'] = 'Templates';
 $string['templatesaved'] = 'Template saved';

mod/data/lib.php

@@ -3103,10 +3103,11 @@ function data_export_ods($export, $dataname, $count) {
  * @param bool $userdetails whether to include the details of the record author
  * @param bool $time whether to include time created/modified
  * @param bool $approval whether to include approval status
+ * @param bool $tags whether to include tags
  * @return array
  */
 function data_get_exportdata($dataid, $fields, $selectedfields, $currentgroup=0, $context=null,
-                             $userdetails=false, $time=false, $approval=false) {
+                             $userdetails=false, $time=false, $approval=false, $tags = false) {
     global $DB;
 
     if (is_null($context)) {
@@ -3138,6 +3139,9 @@ function data_get_exportdata($dataid, $fields, $selectedfields, $currentgroup=0,
     if ($approval) {
         $exportdata[0][] = get_string('approved', 'data');
     }
+    if ($tags) {
+        $exportdata[0][] = get_string('tags', 'data');
+    }
 
     $datarecords = $DB->get_records('data_records', array('dataid'=>$dataid));
     ksort($datarecords);
@@ -3173,6 +3177,10 @@ function data_get_exportdata($dataid, $fields, $selectedfields, $currentgroup=0,
             if ($approval) { // Add approval status
                 $exportdata[$line][] = (int) $record->approved;
             }
+            if ($tags) {
+                $itemtags = \core_tag_tag::get_item_tags_array('mod_data', 'data_records', $record->id);
+                $exportdata[$line][] = implode(', ', $itemtags);
+            }
         }
         $line++;
     }