MDL-57394 mod_chat: New WS mod_chat_get_sessions

This commit is contained in:
Juan Leyva
2018-01-30 13:52:05 +01:00
parent 9b82171b18
commit 26b4e8580d
5 changed files with 281 additions and 2 deletions
+131
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@@ -612,4 +612,135 @@ class mod_chat_external extends external_api {
)
);
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_sessions_parameters() {
return new external_function_parameters(
array(
'chatid' => new external_value(PARAM_INT, 'Chat instance id.'),
'groupid' => new external_value(PARAM_INT, 'Get messages from users in this group.
0 means that the function will determine the user group', VALUE_DEFAULT, 0),
'showall' => new external_value(PARAM_BOOL, 'Whether to show completed sessions or not.', VALUE_DEFAULT, false),
)
);
}
/**
* Retrieves chat sessions for a given chat.
*
* @param int $chatid the chat instance id
* @param int $groupid filter messages by this group. 0 to determine the group.
* @param bool $showall whether to include incomplete sessions or not
* @return array of warnings and the sessions
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_sessions($chatid, $groupid = 0, $showall = false) {
global $DB;
$params = self::validate_parameters(self::get_sessions_parameters(),
array(
'chatid' => $chatid,
'groupid' => $groupid,
'showall' => $showall,
));
$sessions = $warnings = array();
// Request and permission validation.
$chat = $DB->get_record('chat', array('id' => $params['chatid']), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($chat, 'chat');
$context = context_module::instance($cm->id);
self::validate_context($context);
if (empty($chat->studentlogs) && !has_capability('mod/chat:readlog', $context)) {
throw new moodle_exception('nopermissiontoseethechatlog', 'chat');
}
if (!empty($params['groupid'])) {
$groupid = $params['groupid'];
// Determine is the group is visible to user.
if (!groups_group_visible($groupid, $course, $cm)) {
throw new moodle_exception('notingroup');
}
} else {
// Check to see if groups are being used here.
if ($groupmode = groups_get_activity_groupmode($cm)) {
$groupid = groups_get_activity_group($cm);
// Determine is the group is visible to user (this is particullary for the group 0).
if (!groups_group_visible($groupid, $course, $cm)) {
throw new moodle_exception('notingroup');
}
} else {
$groupid = 0;
}
}
// If the user is allocated to a group, only show messages from people in the same group, or no group.
$queryparams = array('chatid' => $chat->id);
if ($groupid) {
$groupselect = " AND (groupid = :groupid OR groupid = 0)";
$queryparams['groupid'] = $groupid;
} else {
$groupselect = "";
}
if ($messages = $DB->get_records_select('chat_messages', "chatid = :chatid $groupselect", $queryparams, "timestamp DESC")) {
$chatsessions = chat_get_sessions($messages, $params['showall']);
// Format sessions for external.
foreach ($chatsessions as $session) {
$sessionusers = array();
foreach ($session->sessionusers as $sessionuser => $usermessagecount) {
$sessionusers[] = array(
'userid' => $sessionuser,
'messagecount' => $usermessagecount
);
}
$session->sessionusers = $sessionusers;
$sessions[] = $session;
}
}
$result = array();
$result['sessions'] = $sessions;
$result['warnings'] = $warnings;
return $result;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_sessions_returns() {
return new external_single_structure(
array(
'sessions' => new external_multiple_structure(
new external_single_structure(
array(
'sessionstart' => new external_value(PARAM_INT, 'Session start time.'),
'sessionend' => new external_value(PARAM_INT, 'Session end time.'),
'sessionusers' => new external_multiple_structure(
new external_single_structure(
array(
'userid' => new external_value(PARAM_INT, 'User id.'),
'messagecount' => new external_value(PARAM_INT, 'Number of messages in the session.'),
)
), 'Session users.'
),
'iscomplete' => new external_value(PARAM_BOOL, 'Whether the session is completed or not.'),
)
),
'list of users'
),
'warnings' => new external_warnings()
)
);
}
}
+7
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@@ -81,5 +81,12 @@ $functions = array(
'type' => 'read',
'capabilities' => '',
'services' => array(MOODLE_OFFICIAL_MOBILE_SERVICE)
),
'mod_chat_get_sessions' => array(
'classname' => 'mod_chat_external',
'methodname' => 'get_sessions',
'description' => 'Retrieves chat sessions for a given chat.',
'type' => 'read',
'services' => array(MOODLE_OFFICIAL_MOBILE_SERVICE)
)
);
+1 -1
View File
@@ -1485,7 +1485,7 @@ function mod_chat_core_calendar_provide_event_action(calendar_event $event,
* Given a set of messages for a chat, return the completed chat sessions (including optionally not completed ones).
*
* @param array $messages list of messages from a chat
* @param bool $showall whether to include completed sessions or not
* @param bool $showall whether to include incomplete sessions or not
* @return array the list of sessions
* @since Moodle 3.4
*/
+141
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@@ -290,4 +290,145 @@ class mod_chat_external_testcase extends externallib_advanced_testcase {
$this->assertCount(2, $chats['chats']);
}
/**
* Test get_sessions_empty_chat
*/
public function test_get_sessions_empty_chat() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$result = mod_chat_external::get_sessions($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
$this->assertEmpty($result['sessions']);
$this->assertEmpty($result['warnings']);
}
/**
* Test get_sessions_no_permissions_for_student
*/
public function test_get_sessions_no_permissions_for_student() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
// Disable logs for students.
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id, 'studentlogs' => 0));
// The admin has permissions to check logs.
$result = mod_chat_external::get_sessions($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
$this->assertEmpty($result['sessions']);
$this->assertEmpty($result['warnings']);
$user = self::getDataGenerator()->create_user();
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
unassign_capability('mod/chat:readlog', $studentrole->id);
accesslib_clear_all_caches_for_unit_testing();
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
$this->setUser($user);
// Students don't have permissions.
$this->expectException('moodle_exception');
mod_chat_external::get_sessions($chat->id);
}
/**
* Test get_sessions_not_completed_session
*/
public function test_get_sessions_not_completed_session() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
// Start a chat and send just one message.
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
$chatsid = $result['chatsid'];
$result = mod_chat_external::send_chat_message($chatsid, 'hello!');
$result = external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
// Check session is not marked as completed so it is not returned.
$result = mod_chat_external::get_sessions($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
$this->assertEmpty($result['sessions']);
$this->assertEmpty($result['warnings']);
// Pass showall parameter to indicate that we want not completed sessions.
$result = mod_chat_external::get_sessions($chat->id, 0, true);
$result = external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
$this->assertCount(1, $result['sessions']); // One session.
$this->assertFalse($result['sessions'][0]['iscomplete']); // Session not complete.
$this->assertEmpty($result['warnings']);
}
/**
* Test get_sessions_completed_session
*/
public function test_get_sessions_completed_session() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$user1 = self::getDataGenerator()->create_user();
$user2 = self::getDataGenerator()->create_user();
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user1->id, $course->id, $studentrole->id);
$this->getDataGenerator()->enrol_user($user2->id, $course->id, $studentrole->id);
// Start a chat and completeit.
$this->setUser($user1);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
$chatsid = $result['chatsid'];
$result = mod_chat_external::send_chat_message($chatsid, 'hello!');
$result = external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
$this->setUser($user2);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
$chatsid = $result['chatsid'];
$result = mod_chat_external::send_chat_message($chatsid, 'hello to you!');
$result = external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
// Need to change first messages and last message times to mark the session completed.
// We receive 4 messages (2 system messages that indicates user joined and the 2 messages sent by the users).
$messages = $DB->get_records('chat_messages', array('chatid' => $chat->id));
// Messages just one hour ago and 70 seconds between them.
$timegap = 0;
$timenow = time();
foreach ($messages as $message) {
$DB->set_field('chat_messages', 'timestamp', $timenow - HOURSECS + $timegap, array('id' => $message->id));
$timegap += 70;
}
// Check session is completed.
$result = mod_chat_external::get_sessions($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
$this->assertCount(1, $result['sessions']); // One session.
$this->assertTrue($result['sessions'][0]['iscomplete']); // Session complete.
$this->assertEquals($timenow - HOURSECS + 70, $result['sessions'][0]['sessionstart']); // First not system message time.
$this->assertEmpty($result['warnings']);
}
}
+1 -1
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@@ -24,7 +24,7 @@
defined('MOODLE_INTERNAL') || die();
$plugin->version = 2017111301; // The current module version (Date: YYYYMMDDXX).
$plugin->version = 2017111302; // The current module version (Date: YYYYMMDDXX).
$plugin->requires = 2017110800; // Requires this Moodle version.
$plugin->component = 'mod_chat'; // Full name of the plugin (used for diagnostics).
$plugin->cron = 300;