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Consolidate indexer struct header definitions, implement artist, album, and file inserts.

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Tweaked database schema. Ensure we enable FOREIGN KEYS.

Refactored how and when we are doing cover art and track fetching for an album.
This commit is contained in:
Joshua Strobl 2021-03-02 19:12:12 +02:00
parent 8f50d388bd
commit 7566fb39f9
21 changed files with 585 additions and 282 deletions
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19
src/db/db.c
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@ -29,9 +29,9 @@ void close_db() {
}
void create_db_tables() {
char *tables_creation_queries = "CREATE TABLE IF NOT EXISTS artists(id string UNIQUE, path string UNIQUE, type int, name string, art_path string);"
"CREATE TABLE IF NOT EXISTS albums(id string UNIQUE, path string UNIQUE, artist_id int, name string, art_path string);"
"CREATE TABLE IF NOT EXISTS tracks(id string UNIQUE, path string UNIQUE, type int, artist_id int, album_id int, file_name string, name string, disc int, position int);";
char *tables_creation_queries = "CREATE TABLE IF NOT EXISTS artists(id string UNIQUE PRIMARY KEY, path string, type int, name string, art_path string);"
"CREATE TABLE IF NOT EXISTS albums(id string UNIQUE PRIMARY KEY, path string, artist_id string, name string, art_path string, FOREIGN KEY(artist_id) REFERENCES artists(id) ON DELETE CASCADE);"
"CREATE TABLE IF NOT EXISTS tracks(id string UNIQUE PRIMARY KEY, path string, type int, artist_id string, album_id string, file_name string, name string, disc int, position int, FOREIGN KEY(artist_id) REFERENCES artists(id) ON DELETE CASCADE);";
gchar *create_tables_errmsg = NULL;
int rc = sqlite3_exec(koto_db, tables_creation_queries, 0,0, &create_tables_errmsg);
@ -41,6 +41,17 @@ void create_db_tables() {
}
}
void enable_foreign_keys() {
gchar *enable_foreign_keys_err = NULL;
int rc = sqlite3_exec(koto_db, "PRAGMA foreign_keys = ON;", 0, 0, &enable_foreign_keys_err);
if (rc != SQLITE_OK) {
g_critical("Failed to enable foreign key support. Ensure your sqlite3 is compiled with neither SQLITE_OMIT_FOREIGN_KEY or SQLITE_OMIT_TRIGGER defined: %s", enable_foreign_keys_err);
}
g_free(enable_foreign_keys_err);
}
void open_db() {
const gchar *data_home = g_get_user_data_dir();
gchar *data_dir = g_build_path(G_DIR_SEPARATOR_S, data_home, "com.github.joshstrobl.koto", NULL);
@ -56,5 +67,7 @@ void open_db() {
return;
}
enable_foreign_keys(); // Enable FOREIGN KEY support
create_db_tables(); // Attempt to create our database tables
}