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Merge branch 'MDL-45594_master_alt' of git://github.com/markn86/moodle

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This commit is contained in:
Sam Hemelryk 2014-07-22 11:12:09 +12:00
commit fe43ab9b75
2 changed files with 125 additions and 60 deletions
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100
message/lib.php
View file

@ -704,70 +704,56 @@ function message_print_search($advancedsearch = false, $user1=null) {
function message_get_recent_conversations($user, $limitfrom=0, $limitto=100) {
global $DB;
$userfields = user_picture::fields('u', array('lastaccess'));
//This query retrieves the last message received from and sent to each user
//It unions that data then, within that set, it finds the most recent message you've exchanged with each user over all
//It then joins with some other tables to get some additional data we need
$userfields = user_picture::fields('otheruser', array('lastaccess'));
//message ID is used instead of timecreated as it should sort the same and will be much faster
// This query retrieves the most recent message received from or sent to
// seach other user.
//
// If two messages have the same timecreated, we take the one with the
// larger id.
//
// There is a separate query for read and unread messages as they are stored
// in different tables. They were originally retrieved in one query but it
// was so large that it was difficult to be confident in its correctness.
$sql = "SELECT $userfields,
message.id as mid, message.notification, message.smallmessage, message.fullmessage,
message.fullmessagehtml, message.fullmessageformat, message.timecreated,
contact.id as contactlistid, contact.blocked
//There is a separate query for read and unread queries as they are stored in different tables
//They were originally retrieved in one query but it was so large that it was difficult to be confident in its correctness
$sql = "SELECT $userfields, mr.id as mid, mr.notification, mr.smallmessage, mr.fullmessage, mr.fullmessagehtml, mr.fullmessageformat, mr.timecreated, mc.id as contactlistid, mc.blocked
FROM {message_read} mr
JOIN (
SELECT messages.userid AS userid, MAX(messages.mid) AS mid
FROM (
SELECT mr1.useridto AS userid, MAX(mr1.id) AS mid
FROM {message_read} mr1
WHERE mr1.useridfrom = :userid1
AND mr1.notification = 0
GROUP BY mr1.useridto
UNION
SELECT mr2.useridfrom AS userid, MAX(mr2.id) AS mid
FROM {message_read} mr2
WHERE mr2.useridto = :userid2
AND mr2.notification = 0
GROUP BY mr2.useridfrom
) messages
GROUP BY messages.userid
) messages2 ON mr.id = messages2.mid AND (mr.useridto = messages2.userid OR mr.useridfrom = messages2.userid)
JOIN {user} u ON u.id = messages2.userid
LEFT JOIN {message_contacts} mc ON mc.userid = :userid3 AND mc.contactid = u.id
WHERE u.deleted = '0'
ORDER BY mr.id DESC";
$params = array('userid1' => $user->id, 'userid2' => $user->id, 'userid3' => $user->id);
FROM {message_read} message
JOIN {user} otheruser ON otheruser.id = CASE
WHEN message.useridto = :userid1 THEN message.useridfrom
ELSE message.useridto END
LEFT JOIN {message_contacts} contact ON contact.userid = :userid2 AND contact.contactid = otheruser.id
WHERE otheruser.deleted = 0
AND (message.useridto = :userid3 OR message.useridfrom = :userid4)
AND message.notification = 0
AND NOT EXISTS (
SELECT 1
FROM {message_read} othermessage
WHERE ((othermessage.useridto = :userid5 AND othermessage.useridfrom = otheruser.id) OR
(othermessage.useridfrom = :userid6 AND othermessage.useridto = otheruser.id))
AND (othermessage.timecreated > message.timecreated OR (
othermessage.timecreated = message.timecreated AND othermessage.id > message.id))
)
ORDER BY message.timecreated DESC";
$params = array('userid1' => $user->id, 'userid2' => $user->id, 'userid3' => $user->id,
'userid4' => $user->id, 'userid5' => $user->id, 'userid6' => $user->id);
$read = $DB->get_records_sql($sql, $params, $limitfrom, $limitto);
$sql = "SELECT $userfields, m.id as mid, m.notification, m.smallmessage, m.fullmessage, m.fullmessagehtml, m.fullmessageformat, m.timecreated, mc.id as contactlistid, mc.blocked
FROM {message} m
JOIN (
SELECT messages.userid AS userid, MAX(messages.mid) AS mid
FROM (
SELECT m1.useridto AS userid, MAX(m1.id) AS mid
FROM {message} m1
WHERE m1.useridfrom = :userid1
AND m1.notification = 0
GROUP BY m1.useridto
UNION
SELECT m2.useridfrom AS userid, MAX(m2.id) AS mid
FROM {message} m2
WHERE m2.useridto = :userid2
AND m2.notification = 0
GROUP BY m2.useridfrom
) messages
GROUP BY messages.userid
) messages2 ON m.id = messages2.mid AND (m.useridto = messages2.userid OR m.useridfrom = messages2.userid)
JOIN {user} u ON u.id = messages2.userid
LEFT JOIN {message_contacts} mc ON mc.userid = :userid3 AND mc.contactid = u.id
WHERE u.deleted = '0'
ORDER BY m.id DESC";
// We want to get the messages that have not been read. These are stored in the 'message' table. It is the
// exact same query as the one above, except for the table we are querying. So, simply replace references to
// the 'message_read' table with the 'message' table.
$sql = str_replace('{message_read}', '{message}', $sql);
$unread = $DB->get_records_sql($sql, $params, $limitfrom, $limitto);
$conversations = array();
//Union the 2 result sets together looking for the message with the most recent timecreated for each other user
//$conversation->id (the array key) is the other user's ID
// Union the 2 result sets together looking for the message with the most
// recent timecreated for each other user.
// $conversation->id (the array key) is the other user's ID.
$conversation_arrays = array($unread, $read);
foreach ($conversation_arrays as $conversation_array) {
foreach ($conversation_array as $conversation) {
@ -802,7 +788,7 @@ function message_get_recent_notifications($user, $limitfrom=0, $limitto=100) {
FROM {message_read} mr
JOIN {user} u ON u.id=mr.useridfrom
WHERE mr.useridto = :userid1 AND u.deleted = '0' AND mr.notification = :notification
ORDER BY mr.id DESC";//ordering by id should give the same result as ordering by timecreated but will be faster
ORDER BY mr.timecreated DESC";
$params = array('userid1' => $user->id, 'notification' => 1);
$notifications = $DB->get_records_sql($sql, $params, $limitfrom, $limitto);

81
message/tests/messagelib_test.php
View file

@ -62,6 +62,7 @@ class core_message_messagelib_testcase extends advanced_testcase {
* @param stdClass $userfrom user object of the one sending the message.
* @param stdClass $userto user object of the one receiving the message.
* @param string $message message to send.
* @return int the id of the message
*/
protected function send_fake_message($userfrom, $userto, $message = 'Hello world!') {
global $DB;
@ -72,7 +73,8 @@ class core_message_messagelib_testcase extends advanced_testcase {
$record->subject = 'No subject';
$record->fullmessage = $message;
$record->timecreated = time();
$insert = $DB->insert_record('message', $record);
return $DB->insert_record('message', $record);
}
/**
@ -358,4 +360,81 @@ class core_message_messagelib_testcase extends advanced_testcase {
$this->assertEquals(false, message_search(array('Message'), true, true, 2));
$this->assertCount(5, message_search(array('Message'), true, true, SITEID));
}
/**
* Test message_get_recent_conversations.
*/
public function test_message_get_recent_conversations() {
global $DB, $USER;
// Set this user as the admin.
$this->setAdminUser();
// Create user's to send messages to/from.
$user1 = $this->getDataGenerator()->create_user(array('firstname' => 'Test1', 'lastname' => 'user1'));
$user2 = $this->getDataGenerator()->create_user(array('firstname' => 'Test2', 'lastname' => 'user2'));
// Add a few messages that have been read and some that are unread.
$m1 = $this->send_fake_message($USER, $user1, 'Message 1'); // An unread message.
$m2 = $this->send_fake_message($user1, $USER, 'Message 2'); // An unread message.
$m3 = $this->send_fake_message($USER, $user1, 'Message 3'); // An unread message.
$m4 = message_post_message($USER, $user2, 'Message 4', FORMAT_PLAIN);
$m5 = message_post_message($user2, $USER, 'Message 5', FORMAT_PLAIN);
$m6 = message_post_message($USER, $user2, 'Message 6', FORMAT_PLAIN);
// We want to alter the timecreated values so we can ensure message_get_recent_conversations orders by timecreated.
$updatemessage = new stdClass();
$updatemessage->id = $m3;
$updatemessage->timecreated = 0;
$DB->update_record('message', $updatemessage);
$updatemessage->id = $m6;
$DB->update_record('message_read', $updatemessage);
// Get the recent conversations for the current user.
$conversations = message_get_recent_conversations($USER);
// Confirm that we have received the messages with the maximum timecreated, rather than the max id.
$this->assertEquals('Message 2', $conversations[0]->fullmessage);
$this->assertEquals('Message 5', $conversations[1]->smallmessage);
}
/**
* Test message_get_recent_notifications.
*/
public function test_message_get_recent_notifications() {
global $DB, $USER;
// Set this user as the admin.
$this->setAdminUser();
// Create a user to send messages from.
$user1 = $this->getDataGenerator()->create_user(array('firstname' => 'Test1', 'lastname' => 'user1'));
// Add two messages - will mark them as notifications later.
$m1 = message_post_message($user1, $USER, 'Message 1', FORMAT_PLAIN);
$m2 = message_post_message($user1, $USER, 'Message 2', FORMAT_PLAIN);
// Mark the second message as a notification.
$updatemessage = new stdClass();
$updatemessage->id = $m2;
$updatemessage->notification = 1;
$DB->update_record('message_read', $updatemessage);
// Mark the first message as a notification and change the timecreated to 0.
$updatemessage->id = $m1;
$updatemessage->notification = 1;
$updatemessage->timecreated = 0;
$DB->update_record('message_read', $updatemessage);
$notifications = message_get_recent_notifications($USER);
// Get the messages.
$firstmessage = array_shift($notifications);
$secondmessage = array_shift($notifications);
// Confirm that we have received the notifications with the maximum timecreated, rather than the max id.
$this->assertEquals('Message 2', $firstmessage->smallmessage);
$this->assertEquals('Message 1', $secondmessage->smallmessage);
}
}