display original post when replying

Author: TamaroWalter

classes/post/post_control.php

@@ -27,6 +27,7 @@
 
 // Import namespace from the locallib, needs a check later which namespaces are really needed.
 use coding_exception;
+use context_module;
 use core\notification;
 use dml_exception;
 use html_writer;
@@ -671,6 +672,27 @@ public function build_postform(array $pageparams): mod_moodleoverflow_post_form
         return $mformpost;
     }
 
+    /**
+     * Display the original post when a user replies to it.
+     *
+     * @throws moodle_exception|dml_exception
+     */
+    public function display_original_post(): string {
+        global $PAGE, $DB;
+        if ($this->interaction == 'reply') {
+            $post = post::from_record($DB->get_record('moodleoverflow_posts', ['id' => $this->info->relatedpost->get_id()]));
+            $data = (object) [
+                'postid' => $post->get_id(),
+                'postcontent' => $post->get_message_formatted(),
+                'attachments' => $post->moodleoverflow_get_attachments(),
+                'byname' => $post->get_userlink(),
+                'byshortdate' => userdate($post->modified, get_string('strftimedatetimeshort', 'core_langconfig')),
+            ];
+            return $PAGE->get_renderer('mod_moodleoverflow')->render_post_original($data);
+        }
+        return '';
+    }
+
     // Helper functions.
 
     // Error handling functions.

post.php

@@ -168,5 +168,6 @@
 
 // Display all.
 echo $OUTPUT->header();
+echo $postcontrol->display_original_post();
 $mformpost->display();
 echo $OUTPUT->footer();

renderer.php

@@ -79,6 +79,17 @@ public function render_post($data) {
         return $this->render_from_template('mod_moodleoverflow/post', $data);
     }
 
+    /**
+     * Renders a simplified version of any post. Used to display the post a reply is referring to.
+     *
+     * @param object $data The submitted variables.
+     *
+     * @return bool|string
+     */
+    public function render_post_original(object $data): bool|string {
+        return $this->render_from_template('mod_moodleoverflow/post_original', $data);
+    }
+
     /**
      * Display a moodleoverflow post in the relevant context.
      *

templates/post_original.mustache

@@ -0,0 +1,62 @@
+{{!
+  This file is part of Moodle - http://moodle.org/
+
+  Moodle is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  Moodle is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+}}
+{{!
+  @template mod_moodleoverflow/post_original
+
+  Moodleoverflow post original template.
+  In the post.php this template is used to show the post that a new answer post is referring to.
+  It's a simpler version of the post template.
+
+  Example context (json):
+  {
+  }
+}}
+
+{{! Start the post. Mark it read or unread. }}
+<h2>Reply to discussion</h2>
+<div id="p{{postid}}" class="moodleoverflowpost bg-light moodleoverflowcomment
+    border" role="region" data-moodleoverflow-postid="{{postid}}">
+    <div class="d-flex p-2 w-100">
+        <div class="answercell d-flex flex-column">
+            <div class="post-text">
+                {{{ postcontent }}}
+            </div>
+            <div class="attachments flex-grow-1">
+                {{#attachments}}
+                    {{#image}}
+                        <img src="{{filepath}}" alt=""/>
+                        <br>
+                    {{/image}}
+                    {{^image}}
+                        <a class="icon-size-6" href="{{filepath}}">
+                            {{{icon}}}
+                        </a>
+                        <a href="{{filepath}}">
+                            {{filename}}
+                        </a>
+                    {{/image}}
+                    <br>
+                {{/attachments}}
+            </div>
+            <div class="post-info">
+                <div class="leftbox {{questioner}}">
+                    <span class="text-muted">{{{ byname }}} - {{ byshortdate }}</span>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>