issue #63: fix deprecated call when rendering a button

index.php

@@ -48,6 +48,9 @@
 
 echo $OUTPUT->header();
 echo $OUTPUT->heading(get_string('managerules', 'tool_dynamic_cohorts'));
-echo $OUTPUT->single_button($editurl, get_string('addrule', 'tool_dynamic_cohorts'), 'post', ['primary' => true]);
+echo $OUTPUT->render_from_template('tool_dynamic_cohorts/button', [
+    'url' => $editurl->out(),
+    'text' => get_string('addrule', 'tool_dynamic_cohorts'),
+]);
 echo $report->output();
 echo $OUTPUT->footer();

templates/button.mustache

@@ -0,0 +1,41 @@
+{{!
+    This file is part of Moodle - https://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 tool_dynamic_cohorts/button
+
+    Button.
+
+    Classes required for JS:
+    * none
+
+    Data attributes required for JS:
+    * none
+
+    Context variables required for this template:
+    * url - URL of the button.
+    * text - Text of the button.
+
+    Example context (json):
+    {
+        "url" : "https://example.com/admin/tool/dynamic_cohorts/edit.php",
+        "text" : "Add new rule"
+    }
+}}
+
+<a href="{{url}}" class="btn btn-primary">
+    {{text}}
+</a>

users.php

@@ -59,6 +59,9 @@
 
 echo $OUTPUT->header();
 echo $OUTPUT->heading($heading);
-echo $OUTPUT->single_button($indexurl, get_string('backtolistofrules', 'tool_dynamic_cohorts'), 'post', ['primary' => true]);
+echo $OUTPUT->render_from_template('tool_dynamic_cohorts/button', [
+    'url' => $indexurl->out(),
+    'text' => get_string('backtolistofrules', 'tool_dynamic_cohorts'),
+]);
 echo $report->output();
 echo $OUTPUT->footer();

version.php

@@ -25,8 +25,8 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'tool_dynamic_cohorts';
-$plugin->release = 2024032501;
-$plugin->version = 2024032501;
+$plugin->release = 2024032600;
+$plugin->version = 2024032600;
 $plugin->requires = 2022112800;
 $plugin->supported = [401, 403];
 $plugin->maturity = MATURITY_STABLE;