Enhance avatar urls (#227)

Author: ahsanbagwan

migrations/V96__avatar-enhancements.sql

@@ -0,0 +1,13 @@
+ALTER TABLE avatars_list ADD COLUMN `filename` VARCHAR(212);
+
+UPDATE avatars_list SET filename=REPLACE(url, 'https://content.faforever.com/faf/avatars/', '');
+
+ALTER TABLE avatars_list MODIFY `filename` VARCHAR(212) NOT NULL;
+
+ALTER TABLE avatars_list DROP INDEX `url`;
+
+ALTER TABLE avatars_list DROP COLUMN `url`;
+
+ALTER TABLE `avatars_list` ADD COLUMN `url` VARCHAR(255) GENERATED ALWAYS AS (CONCAT('https://content.faforever.com/faf/avatars/', filename)) VIRTUAL;
+
+ALTER TABLE `avatars_list` ADD CONSTRAINT `filename` UNIQUE (`filename`, `tooltip`);

test-data.sql

@@ -212,9 +212,9 @@ insert into mod_stats (mod_id, times_played, likers) VALUES
         (3, 1, '');
 
 -- sample avatars
-insert into avatars_list (id, url, tooltip) values
-  (1, 'http://content.faforever.com/faf/avatars/qai2.png', 'QAI'),
-  (2, 'http://content.faforever.com/faf/avatars/UEF.png', 'UEF');
+insert into avatars_list (id, filename, tooltip) values
+  (1, 'qai2.png', 'QAI'),
+  (2, 'UEF.png', 'UEF');
 
 insert into avatars (idUser, idAvatar, selected) values (2, 1, 0), (2, 2, 1);
 insert into avatars (idUser, idAvatar, selected, expires_at) values (3, 1, 0, NOW());