update schema, optimized db ops a bit

METANOIA.go

@@ -116,6 +116,10 @@ func GetMimeTypeFromExtension(ext string) string {
 		//Text subtitles
 		case "lrc":
 			return "text/x-subtitle-lrc"
+		case "ssa":
+			return "text/x-subtitle-ssa"
+		case "ass":
+			return "text/x-subtitle-ass"
 		case "srt":
 			return "text/x-subtitle-subrip"
 
@@ -170,6 +174,10 @@ func AddAudioToDatabase(release *database.Release, tx *PendingTransaction, size
 	log.Printf("handling %s", pathEntry)
 	defer tx.WaitGroup.Done()
 
+	if database.GetResourceFromDatabaseByPath(db, pathEntry) != nil {
+		return
+	}
+
 	f, err := OpenFileWithLimit(pathEntry)
 	if err != nil { //TODO
 		log.Panic(err)
@@ -189,7 +197,7 @@ func AddAudioToDatabase(release *database.Release, tx *PendingTransaction, size
 
 		resourceCreationMutex.Lock()
 		var resource = database.GetResourceFromDatabaseByHash(db, hash)
-		var exists = resource != nil
+		var exists = resource != nil && len(resource.GetReleases()) > 0
 
 		if resource == nil {
 			//insert

README.md

@@ -15,7 +15,7 @@ Check its native dependencies that must be installed before usage.
 ## Test setup
 
 ```bash
-# Create postgres database
+# Create ephemeral postgres database
 docker run --rm -p 5432:5432 --name metanoia-postgres \
 -e POSTGRES_PASSWORD=metanoia -e POSTGRES_DB=metanoia -e POSTGRES_USER=metanoia -d \
 postgres:14

schema.sql

@@ -8,15 +8,15 @@ CREATE TYPE artist_kind AS ENUM ('main', 'original', 'performer', 'composer', 'a
 
 -- groups resources in specific releases / groupings
 CREATE TABLE releases (
-    id BIGSERIAL PRIMARY KEY,
+    id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     identifiers TEXT[] NOT NULL DEFAULT '{}'::TEXT[], -- array of "semi-unique" identifiers, like site sources or identifiers
     metadata jsonb NOT NULL DEFAULT '{}'::jsonb
 );
 
-CREATE INDEX idx_releases_identifiers_gin ON releases USING GIN (identifiers) INCLUDE (id);
+CREATE INDEX idx_releases_identifiers_gin ON releases USING GIN (identifiers);
 
 CREATE TABLE resources (
-    id BIGSERIAL PRIMARY KEY,
+    id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     hash bytea UNIQUE NOT NULL, -- hash of the resource, SHA256
     size BIGINT NOT NULL,
     path bytea, -- can be null if not available locally
@@ -25,7 +25,7 @@ CREATE TABLE resources (
 
 CREATE INDEX idx_resources_hash ON resources USING BTREE (hash); -- TODO: check if you can do partial prefix queries
 CREATE INDEX idx_resources_path ON resources USING BTREE (path);
-CREATE INDEX idx_resources_path_gin ON resources USING GIN (path gin_trgm_ops); -- Allows for partial path queries
+CREATE INDEX idx_resources_path_gin ON resources USING GIN (path); -- Allows for partial path queries
 
 CREATE TABLE resource_alternate_identifiers (
     resource BIGINT NOT NULL,
@@ -51,7 +51,7 @@ CREATE INDEX idx_resource_releases_resource ON resource_releases USING BTREE (re
 CREATE INDEX idx_resource_releases_release ON resource_releases USING BTREE (release) INCLUDE (resource);
 
 CREATE TABLE albums (
-    id SERIAL PRIMARY KEY,
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     cover BIGINT, -- can be null if not available
     identifiers TEXT[] NOT NULL DEFAULT '{}'::TEXT[], -- array of "semi-unique" identifiers, like catalog number
     metadata jsonb NOT NULL DEFAULT '{}'::jsonb,
@@ -69,11 +69,11 @@ CREATE TABLE albums_names (
     CONSTRAINT fk_album FOREIGN KEY (album) REFERENCES albums(id)
 );
 CREATE INDEX idx_albums_names_album ON albums_names USING BTREE (album);
-CREATE INDEX idx_albums_names_name_gin ON albums_names USING GIN (name gin_trgm_ops) INCLUDE (album);
+CREATE INDEX idx_albums_names_name_gin ON albums_names USING GIN (name gin_trgm_ops);
 
 
 CREATE TABLE artists (
-    id SERIAL PRIMARY KEY,
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     metadata jsonb NOT NULL DEFAULT '{}'::jsonb
 );
 
@@ -85,10 +85,10 @@ CREATE TABLE artists_names (
     CONSTRAINT fk_artist FOREIGN KEY (artist) REFERENCES artists(id)
 );
 CREATE INDEX idx_artists_names_artist ON artists_names USING BTREE (artist);
-CREATE INDEX idx_artists_names_name_gin ON artists_names USING GIN (name gin_trgm_ops) INCLUDE (artist);
+CREATE INDEX idx_artists_names_name_gin ON artists_names USING GIN (name gin_trgm_ops);
 
 CREATE TABLE songs (
-    id BIGSERIAL PRIMARY KEY,
+    id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     resource BIGINT NOT NULL,
     cover BIGINT, -- set to override album cover. can be null if not available
     album INTEGER, -- can be null
@@ -109,7 +109,7 @@ CREATE TABLE songs_names (
     CONSTRAINT fk_song FOREIGN KEY (song) REFERENCES songs(id)
 );
 CREATE INDEX idx_songs_names_song ON songs_names USING BTREE (song);
-CREATE INDEX idx_songs_names_name_gin ON songs_names USING GIN (name gin_trgm_ops) INCLUDE (song);
+CREATE INDEX idx_songs_names_name_gin ON songs_names USING GIN (name gin_trgm_ops);
 
 -- extra mapping table of artists <-> song
 CREATE TABLE album_artists (
@@ -140,7 +140,7 @@ CREATE INDEX idx_song_artists_artist ON song_artists USING BTREE (artist) INCLUD
 -- CREATE INDEX idx_song_artists_artist_kind ON song_artists (artist, kind);
 
 CREATE TABLE tags (
-    id SERIAL PRIMARY KEY,
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
     name TEXT UNIQUE NOT NULL
 );