Refactoring the service manager code

1 files changed, 132 insertions, 0 deletions

diff --git a/index.php b/index.php
new file mode 100644
index 0000000..6d0ef10
--- /dev/null
+++ b/index.php
@@ -0,0 +1,132 @@
+<?php
+// 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/>.
+
+/**
+ * Service Management Manager.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require_once(__DIR__ . "/../../config.php");
+require_once(__DIR__ . "/lib.php");
+
+require_once($CFG->libdir . "/adminlib.php");
+require_once($CFG->libdir . "/tablelib.php");
+
+/* Optional parameters */
+$backupservices = optional_param("getbackup", 0, PARAM_BOOL);
+$deleteid       = optional_param("deleteid", 0, PARAM_INT);
+$hideshowid     = optional_param("hideshowid", 0, PARAM_INT);
+
+/* Link generation */
+$editservice    = "/local/webhooks/editservice.php";
+$managerservice = "/local/webhooks/index.php";
+$restorebackup  = "/local/webhooks/restorebackup.php";
+$baseurl        = new moodle_url($managerservice);
+
+/* Configure the context of the page */
+admin_externalpage_setup("local_webhooks", "", null, $baseurl, array());
+$context = context_system::instance();
+
+/* Delete the service */
+if (boolval($deleteid)) {
+    local_webhooks_remove_record($deleteid);
+    redirect($PAGE->url, new lang_string("eventwebserviceservicedeleted", "webservice"));
+}
+
+/* Retrieving a list of services */
+$callbacks = local_webhooks_list_records();
+
+/* Upload settings as a file */
+if (boolval($backupservices)) {
+    $filecontent = local_webhooks_archiving_data($callbacks);
+    $filename    = "webhooks_" . date("U") . ".backup";
+    send_file($filecontent, $filename, 0, 0, true, true);
+}
+
+/* Switching the status of the service */
+if (boolval($hideshowid)) {
+    $callback = $callbacks[$hideshowid];
+
+    if (!empty($callback)) {
+        $callback->enable = !boolval($callback->enable);
+        local_webhooks_update_record($callback, false);
+        redirect($PAGE->url, new lang_string("eventwebserviceserviceupdated", "webservice"));
+    }
+}
+
+/* The page title */
+$titlepage = new lang_string("pluginname", "local_webhooks");
+$PAGE->set_heading($titlepage);
+$PAGE->set_title($titlepage);
+echo $OUTPUT->header();
+
+/* Table declaration */
+$table = new flexible_table("webhooks-service-table");
+
+/* Customize the table */
+$table->define_columns(array("title", "url", "actions"));
+$table->define_headers(array(new lang_string("name", "moodle"), new lang_string("url", "moodle"), new lang_string("actions", "moodle")));
+$table->define_baseurl($baseurl);
+$table->setup();
+
+foreach ($callbacks as $callback) {
+    /* Filling of information columns */
+    $titlecallback = html_writer::div($callback->title, "title");
+    $urlcallback   = html_writer::div($callback->url, "url");
+
+    /* Defining service status */
+    $hideshowicon   = "t/show";
+    $hideshowstring = new lang_string("enable", "moodle");
+    if (boolval($callback->enable)) {
+        $hideshowicon   = "t/hide";
+        $hideshowstring = new lang_string("disable", "moodle");
+    }
+
+    /* Link to enable / disable the service */
+    $hideshowlink = new moodle_url($managerservice, array("hideshowid" => $callback->id));
+    $hideshowitem = $OUTPUT->action_icon($hideshowlink, new pix_icon($hideshowicon, $hideshowstring));
+
+    /* Link for editing */
+    $editlink = new moodle_url($editservice, array("serviceid" => $callback->id));
+    $edititem = $OUTPUT->action_icon($editlink, new pix_icon("t/edit", new lang_string("edit", "moodle")));
+
+    /* Link to remove */
+    $deletelink = new moodle_url($managerservice, array("deleteid" => $callback->id));
+    $deleteitem = $OUTPUT->action_icon($deletelink, new pix_icon("t/delete", new lang_string("delete", "moodle")));
+
+    /* Adding data to the table */
+    $table->add_data(array($titlecallback, $urlcallback, $hideshowitem . $edititem . $deleteitem));
+}
+
+/* Display the table */
+$table->print_html();
+
+/* Add service button */
+$addserviceurl = new moodle_url($editservice);
+echo $OUTPUT->single_button($addserviceurl, new lang_string("addaservice", "webservice"), "get");
+
+/* Button to get a backup */
+$backupurl = new moodle_url($managerservice, array("getbackup" => true));
+echo $OUTPUT->single_button($backupurl, new lang_string("backup", "moodle"), "get");
+
+/* Button for restoring settings */
+$restorebackupurl = new moodle_url($restorebackup);
+echo $OUTPUT->single_button($restorebackupurl, new lang_string("restore", "moodle"), "get");
+
+echo $OUTPUT->footer();
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