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MDL-50537 mod_chat: Use the utility class and several fixes

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This commit is contained in:
Juan Leyva 2015-07-29 16:27:46 +02:00
parent 9f7de6317d
commit 1df5d7191c
3 changed files with 56 additions and 44 deletions
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67
mod/chat/classes/external.php
View File

@ -493,6 +493,7 @@ class mod_chat_external extends external_api {
);
}
/**
* Describes the parameters for get_chats_by_courses.
*
@ -503,12 +504,12 @@ class mod_chat_external extends external_api {
return new external_function_parameters (
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'course id'),
'Array of course ids', VALUE_DEFAULT, array()
new external_value(PARAM_INT, 'course id'), 'Array of course ids', VALUE_DEFAULT, array()
),
)
);
}
/**
* Returns a list of chats in a provided list of courses,
* if no list is provided all chats that the user can view will be returned.
@ -519,44 +520,24 @@ class mod_chat_external extends external_api {
*/
public static function get_chats_by_courses($courseids = array()) {
global $CFG;
$params = self::validate_parameters(self::get_chats_by_courses_parameters(), array('courseids' => $courseids));
$returnedchats = array();
$warnings = array();
if (!empty($params['courseids'])) {
$courses = array();
$courseids = $params['courseids'];
} else {
$courses = enrol_get_my_courses();
$courseids = array_keys($courses);
$params = self::validate_parameters(self::get_chats_by_courses_parameters(), array('courseids' => $courseids));
if (empty($params['courseids'])) {
$params['courseids'] = array_keys(enrol_get_my_courses());
}
// Array to store the chats to return.
$arrchats = array();
// Ensure there are courseids to loop through.
if (!empty($courseids)) {
// Array of the courses we are going to retrieve the chats from.
$arraycourses = array();
// Go through the courseids.
foreach ($courseids as $cid) {
// Check the user can function in this context.
try {
$context = context_course::instance($cid);
self::validate_context($context);
// Check if this course was already loaded (by enrol_get_my_courses).
if (!isset($courses[$cid])) {
$courses[$cid] = get_course($cid);
}
$arraycourses[$cid] = $courses[$cid];
} catch (Exception $e) {
$warnings[] = array(
'item' => 'course',
'itemid' => $cid,
'warningcode' => '1',
'message' => 'No access rights in course context '.$e->getMessage()
);
}
}
if (!empty($params['courseids'])) {
list($courses, $warnings) = external_util::validate_courses($params['courseids']);
// Get the chats in this course, this function checks users visibility permissions.
// We can avoid then additional validate_context calls.
$chats = get_all_instances_in_courses("chat", $arraycourses);
$chats = get_all_instances_in_courses("chat", $courses);
foreach ($chats as $chat) {
$chatcontext = context_module::instance($chat->coursemodule);
// Entry to return.
@ -568,27 +549,32 @@ class mod_chat_external extends external_api {
$chatdetails['name'] = $chat->name;
// Format intro.
list($chatdetails['intro'], $chatdetails['introformat']) =
external_format_text($chat->intro, $chat->introformat,
$chatcontext->id, 'mod_chat', 'intro', null);
if (has_capability('moodle/course:manageactivities', $chatcontext)) {
external_format_text($chat->intro, $chat->introformat, $chatcontext->id, 'mod_chat', 'intro', null);
if (has_capability('mod/chat:chat', $chatcontext)) {
$chatdetails['chatmethod'] = $CFG->chat_method;
$chatdetails['keepdays'] = $chat->keepdays;
$chatdetails['studentlogs'] = $chat->studentlogs;
$chatdetails['chattime'] = $chat->chattime;
$chatdetails['schedule'] = $chat->schedule;
}
if (has_capability('moodle/course:manageactivities', $chatcontext)) {
$chatdetails['timemodified'] = $chat->timemodified;
$chatdetails['section'] = $chat->section;
$chatdetails['visible'] = $chat->visible;
$chatdetails['groupmode'] = $chat->groupmode;
$chatdetails['groupingid'] = $chat->groupingid;
}
$arrchats[] = $chatdetails;
$returnedchats[] = $chatdetails;
}
}
$result = array();
$result['chats'] = $arrchats;
$result['chats'] = $returnedchats;
$result['warnings'] = $warnings;
return $result;
}
/**
* Describes the get_chats_by_courses return value.
*
@ -607,6 +593,7 @@ class mod_chat_external extends external_api {
'name' => new external_value(PARAM_TEXT, 'Chat name'),
'intro' => new external_value(PARAM_RAW, 'The Chat intro'),
'introformat' => new external_format_value('intro'),
'chatmethod' => new external_value(PARAM_ALPHA, 'chat method (sockets, daemon)', VALUE_OPTIONAL),
'keepdays' => new external_value(PARAM_INT, 'keep days', VALUE_OPTIONAL),
'studentlogs' => new external_value(PARAM_INT, 'student logs visible to everyone', VALUE_OPTIONAL),
'chattime' => new external_value(PARAM_RAW, 'chat time', VALUE_OPTIONAL),

8
mod/chat/db/services.php
View File

@ -68,4 +68,12 @@ $functions = array(
'capabilities' => 'mod/chat:chat'
),
'mod_chat_get_chats_by_courses' => array(
'classname' => 'mod_chat_external',
'methodname' => 'get_chats_by_courses',
'description' => 'Returns a list of chat instances in a provided set of courses,
if no courses are provided then all the chat instances the user has access to will be returned.',
'type' => 'read',
'capabilities' => ''
)
);

25
mod/chat/tests/externallib_test.php
View File

@ -240,32 +240,49 @@ class mod_chat_external_testcase extends externallib_advanced_testcase {
$chat2 = self::getDataGenerator()->create_module('chat', $chatoptions2);
$student1 = $this->getDataGenerator()->create_user();
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
// Enroll Student1 in Course1.
self::getDataGenerator()->enrol_user($student1->id, $course1->id, $studentrole->id);
$this->setUser($student1);
$chats = mod_chat_external::get_chats_by_courses(array());
$chats = mod_chat_external::get_chats_by_courses();
// We need to execute the return values cleaning process to simulate the web service server.
$chats = external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
$this->assertCount(1, $chats['chats']);
$this->assertEquals('First Chat', $chats['chats'][0]['name']);
// As Student you cannot see some chat properties like 'showunanswered'.
// We see 11 fields.
$this->assertCount(11, $chats['chats'][0]);
// As Student you cannot see some chat properties like 'section'.
$this->assertFalse(isset($chats['chats'][0]['section']));
// Student1 is not enrolled in this Course.
// The webservice will give a warning!
// Student1 is not enrolled in course2. The webservice will return a warning!
$chats = mod_chat_external::get_chats_by_courses(array($course2->id));
// We need to execute the return values cleaning process to simulate the web service server.
$chats = external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
$this->assertCount(0, $chats['chats']);
$this->assertEquals(1, $chats['warnings'][0]['warningcode']);
// Now as admin.
$this->setAdminUser();
// As Admin we can see this chat.
$chats = mod_chat_external::get_chats_by_courses(array($course2->id));
// We need to execute the return values cleaning process to simulate the web service server.
$chats = external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
$this->assertCount(1, $chats['chats']);
$this->assertEquals('Second Chat', $chats['chats'][0]['name']);
// We see 16 fields.
$this->assertCount(16, $chats['chats'][0]);
// As an Admin you can see some chat properties like 'section'.
$this->assertEquals(0, $chats['chats'][0]['section']);
// Enrol student in the second course.
self::getDataGenerator()->enrol_user($student1->id, $course2->id, $studentrole->id);
$this->setUser($student1);
$chats = mod_chat_external::get_chats_by_courses();
$chats = external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
$this->assertCount(2, $chats['chats']);
}
}