1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
16
17require_once(__DIR__ . '/../config.php');
18require_once($CFG->dirroot . '/repository/lib.php');
19require_once($CFG->libdir . '/adminlib.php');
20
21require_sesskey();
22
23// id of repository
24$edit    = optional_param('edit', 0, PARAM_INT);
25$new     = optional_param('new', '', PARAM_PLUGIN);
26$hide    = optional_param('hide', 0, PARAM_INT);
27$delete  = optional_param('delete', 0, PARAM_INT);
28$sure    = optional_param('sure', '', PARAM_ALPHA);
29$type    = optional_param('type', '', PARAM_PLUGIN);
30$downloadcontents = optional_param('downloadcontents', false, PARAM_BOOL);
31
32$context = context_system::instance();
33
34$pagename = 'repositorycontroller';
35
36if ($edit){
37    $pagename = 'repositoryinstanceedit';
38} else if ($delete) {
39    $pagename = 'repositorydelete';
40} else if ($new) {
41    $pagename = 'repositoryinstancenew';
42}
43
44admin_externalpage_setup($pagename, '', null, new moodle_url('/admin/repositoryinstance.php'));
45
46$baseurl = new moodle_url("/$CFG->admin/repositoryinstance.php", array('sesskey'=>sesskey()));
47
48$parenturl = new moodle_url("/$CFG->admin/repository.php", array(
49    'sesskey'=>sesskey(),
50    'action'=>'edit',
51));
52
53if ($new) {
54    $parenturl->param('repos', $new);
55} else {
56    $parenturl->param('repos', $type);
57}
58
59$return = true;
60
61if (!empty($edit) || !empty($new)) {
62    if (!empty($edit)) {
63        $instance = repository::get_instance($edit);
64        if (!$instance->can_be_edited_by_user()) {
65            throw new repository_exception('nopermissiontoaccess', 'repository');
66        }
67        $instancetype = repository::get_type_by_id($instance->options['typeid']);
68        $classname = 'repository_' . $instancetype->get_typename();
69        $configs  = $instance->get_instance_option_names();
70        $plugin = $instancetype->get_typename();
71        $typeid = $instance->options['typeid'];
72    } else {
73        $plugin = $new;
74        $typeid = null;
75        $instance = null;
76    }
77
78    // display the edit form for this instance
79    $mform = new repository_instance_form('', array('plugin' => $plugin, 'typeid' => $typeid, 'instance' => $instance, 'contextid' => $context->id));
80    // end setup, begin output
81
82    if ($mform->is_cancelled()){
83        redirect($parenturl);
84        exit;
85    } else if ($fromform = $mform->get_data()){
86        if ($edit) {
87            $settings = array();
88            $settings['name'] = $fromform->name;
89            if (!$instance->readonly) {
90                foreach($configs as $config) {
91                    if (isset($fromform->$config)) {
92                        $settings[$config] = $fromform->$config;
93                    } else {
94                        $settings[$config] = null;
95                    }
96                }
97            }
98            $success = $instance->set_option($settings);
99        } else {
100            $success = repository::static_function($plugin, 'create', $plugin, 0, $context, $fromform);
101            $data = data_submitted();
102        }
103        if ($success) {
104            core_plugin_manager::reset_caches();
105            redirect($parenturl);
106        } else {
107            print_error('instancenotsaved', 'repository', $parenturl);
108        }
109        exit;
110    } else {
111        echo $OUTPUT->header();
112        echo $OUTPUT->heading(get_string('configplugin', 'repository_'.$plugin));
113        echo $OUTPUT->box_start();
114        $mform->display();
115        echo $OUTPUT->box_end();
116        $return = false;
117    }
118} else if (!empty($hide)) {
119    $instance = repository::get_type_by_typename($hide);
120    $instance->hide();
121    core_plugin_manager::reset_caches();
122    $return = true;
123} else if (!empty($delete)) {
124    $instance = repository::get_instance($delete);
125    if ($instance->readonly) {
126        // If you try to delete an instance set as readonly, display an error message.
127        throw new repository_exception('readonlyinstance', 'repository');
128    } else if (!$instance->can_be_edited_by_user()) {
129        throw new repository_exception('nopermissiontoaccess', 'repository');
130    }
131    if ($sure) {
132        if ($instance->delete($downloadcontents)) {
133            $deletedstr = get_string('instancedeleted', 'repository');
134            core_plugin_manager::reset_caches();
135            redirect($parenturl, $deletedstr, 3);
136        } else {
137            print_error('instancenotdeleted', 'repository', $parenturl);
138        }
139        exit;
140    }
141
142    echo $OUTPUT->header();
143    echo $OUTPUT->box_start('generalbox', 'notice');
144    $continueurl = new moodle_url($baseurl, array(
145        'type' => $type,
146        'delete' => $delete,
147        'sure' => 'yes',
148    ));
149    $continueanddownloadurl = new moodle_url($continueurl, array(
150        'downloadcontents' => 1
151    ));
152    $message = get_string('confirmdelete', 'repository', $instance->name);
153    echo html_writer::tag('p', $message);
154
155    echo $OUTPUT->single_button($continueurl, get_string('continueuninstall', 'repository'));
156    echo $OUTPUT->single_button($continueanddownloadurl, get_string('continueuninstallanddownload', 'repository'));
157    echo $OUTPUT->single_button($parenturl, get_string('cancel'));
158
159    echo $OUTPUT->box_end();
160
161    $return = false;
162}
163
164if (!empty($return)) {
165    redirect($parenturl);
166}
167echo $OUTPUT->footer();
168