Decouple galleries from scenes (#1057)

pkg/database/database.go

@@ -21,7 +21,7 @@ import (
 
 var DB *sqlx.DB
 var dbPath string
-var appSchemaVersion uint = 17
+var appSchemaVersion uint = 18
 var databaseSchemaVersion uint
 
 const sqlite3Driver = "sqlite3ex"

pkg/database/migrations/18_scene_galleries.up.sql

@@ -0,0 +1,138 @@
+-- recreate the tables referencing galleries to correct their references
+ALTER TABLE `galleries` rename to `_galleries_old`;
+ALTER TABLE `galleries_images` rename to `_galleries_images_old`;
+ALTER TABLE `galleries_tags` rename to `_galleries_tags_old`;
+ALTER TABLE `performers_galleries` rename to `_performers_galleries_old`;
+
+CREATE TABLE `galleries` (
+  `id` integer not null primary key autoincrement,
+  `path` varchar(510),
+  `checksum` varchar(255) not null,
+  `zip` boolean not null default '0',
+  `title` varchar(255),
+  `url` varchar(255),
+  `date` date,
+  `details` text,
+  `studio_id` integer,
+  `rating` tinyint,
+  `file_mod_time` datetime,
+  `organized` boolean not null default '0',
+  `created_at` datetime not null,
+  `updated_at` datetime not null,
+  foreign key(`studio_id`) references `studios`(`id`) on delete SET NULL
+);
+
+DROP INDEX IF EXISTS `index_galleries_on_scene_id`;
+DROP INDEX IF EXISTS `galleries_path_unique`;
+DROP INDEX IF EXISTS `galleries_checksum_unique`;
+DROP INDEX IF EXISTS `index_galleries_on_studio_id`;
+
+CREATE UNIQUE INDEX `galleries_path_unique` on `galleries` (`path`);
+CREATE UNIQUE INDEX `galleries_checksum_unique` on `galleries` (`checksum`);
+CREATE INDEX `index_galleries_on_studio_id` on `galleries` (`studio_id`);
+
+CREATE TABLE `scenes_galleries` (
+  `scene_id` integer,
+  `gallery_id` integer,
+  foreign key(`scene_id`) references `scenes`(`id`) on delete CASCADE,
+  foreign key(`gallery_id`) references `galleries`(`id`) on delete CASCADE
+);
+
+CREATE INDEX `index_scenes_galleries_on_scene_id` on `scenes_galleries` (`scene_id`);
+CREATE INDEX `index_scenes_galleries_on_gallery_id` on `scenes_galleries` (`gallery_id`);
+
+CREATE TABLE `galleries_images` (
+  `gallery_id` integer,
+  `image_id` integer,
+  foreign key(`gallery_id`) references `galleries`(`id`) on delete CASCADE,
+  foreign key(`image_id`) references `images`(`id`) on delete CASCADE
+);
+
+DROP INDEX IF EXISTS `index_galleries_images_on_image_id`;
+DROP INDEX IF EXISTS `index_galleries_images_on_gallery_id`;
+
+CREATE INDEX `index_galleries_images_on_image_id` on `galleries_images` (`image_id`);
+CREATE INDEX `index_galleries_images_on_gallery_id` on `galleries_images` (`gallery_id`);
+
+CREATE TABLE `performers_galleries` (
+  `performer_id` integer,
+  `gallery_id` integer,
+  foreign key(`performer_id`) references `performers`(`id`) on delete CASCADE,
+  foreign key(`gallery_id`) references `galleries`(`id`) on delete CASCADE
+);
+
+DROP INDEX IF EXISTS `index_performers_galleries_on_gallery_id`;
+DROP INDEX IF EXISTS `index_performers_galleries_on_performer_id`;
+
+CREATE INDEX `index_performers_galleries_on_gallery_id` on `performers_galleries` (`gallery_id`);
+CREATE INDEX `index_performers_galleries_on_performer_id` on `performers_galleries` (`performer_id`);
+
+CREATE TABLE `galleries_tags` (
+  `gallery_id` integer,
+  `tag_id` integer,
+  foreign key(`gallery_id`) references `galleries`(`id`) on delete CASCADE,
+  foreign key(`tag_id`) references `tags`(`id`) on delete CASCADE
+);
+
+DROP INDEX IF EXISTS `index_galleries_tags_on_tag_id`;
+DROP INDEX IF EXISTS `index_galleries_tags_on_gallery_id`;
+
+CREATE INDEX `index_galleries_tags_on_tag_id` on `galleries_tags` (`tag_id`);
+CREATE INDEX `index_galleries_tags_on_gallery_id` on `galleries_tags` (`gallery_id`);
+
+-- populate from the old tables
+INSERT INTO `galleries`
+  (
+    `id`,
+    `path`,
+    `checksum`,
+    `zip`,
+    `title`,
+    `url`,
+    `date`,
+    `details`,
+    `studio_id`,
+    `rating`,
+    `file_mod_time`,
+    `organized`,
+    `created_at`,
+    `updated_at`
+  )
+  SELECT 
+    `id`,
+    `path`,
+    `checksum`,
+    `zip`,
+    `title`,
+    `url`,
+    `date`,
+    `details`,
+    `studio_id`,
+    `rating`,
+    `file_mod_time`,
+    `organized`,
+    `created_at`,
+    `updated_at`
+  FROM `_galleries_old`;
+
+INSERT INTO `scenes_galleries`
+  (
+    `scene_id`,
+    `gallery_id`
+  )
+  SELECT
+    `scene_id`,
+    `id`
+  FROM `_galleries_old`
+  WHERE scene_id IS NOT NULL;
+
+-- these tables are a direct copy
+INSERT INTO `galleries_images` SELECT * from `_galleries_images_old`;
+INSERT INTO `galleries_tags` SELECT * from `_galleries_tags_old`;
+INSERT INTO `performers_galleries` SELECT * from `_performers_galleries_old`;
+
+-- drop old tables
+DROP TABLE `_galleries_old`;
+DROP TABLE `_galleries_images_old`;
+DROP TABLE `_galleries_tags_old`;
+DROP TABLE `_performers_galleries_old`;