Migrated links, lyrics and properties

folkugat_web/dal/sql/temes/ddl.py

@@ -4,12 +4,9 @@ from folkugat_web.dal.sql import Connection, get_connection
 def create_db(con: Connection | None = None):
     with get_connection(con) as con:
         create_temes_table(con)
-
-
-def drop_temes_table(con: Connection):
-    query = "DROP TABLE IF EXISTS temes"
-    cur = con.cursor()
-    _ = cur.execute(query)
+        create_links_table(con)
+        create_lyrics_table(con)
+        create_properties_table(con)
 
 
 def create_temes_table(con: Connection):
@@ -17,11 +14,7 @@ def create_temes_table(con: Connection):
       CREATE TABLE IF NOT EXISTS temes (
         id INTEGER PRIMARY KEY,
         title TEXT NOT NULL,
-        properties TEXT,
-        links TEXT,
-        lyrics TEXT,
         alternatives TEXT,
-        ngrams TEXT,
         creation_date TEXT NOT NULL,
         modification_date TEXT NOT NULL,
         hidden INTEGER NOT NULL
@@ -29,3 +22,47 @@ def create_temes_table(con: Connection):
     """
     cur = con.cursor()
     _ = cur.execute(query)
+
+
+def create_links_table(con: Connection):
+    query = """
+      CREATE TABLE IF NOT EXISTS tema_links (
+        id INTEGER PRIMARY KEY,
+        tema_id INTEGER,
+        content_type TEXT NOT NULL,
+        link_type TEXT,
+        title TEXT NOT NULL,
+        url TEXT NOT NULL,
+        FOREIGN KEY(tema_id) REFERENCES temes(id) ON DELETE CASCADE
+    )
+    """
+    cur = con.cursor()
+    _ = cur.execute(query)
+
+
+def create_lyrics_table(con: Connection):
+    query = """
+      CREATE TABLE IF NOT EXISTS tema_lyrics (
+        id INTEGER PRIMARY KEY,
+        tema_id INTEGER,
+        title TEXT NOT NULL,
+        content TEXT NOT NULL,
+        FOREIGN KEY(tema_id) REFERENCES temes(id) ON DELETE CASCADE
+    )
+    """
+    cur = con.cursor()
+    _ = cur.execute(query)
+
+
+def create_properties_table(con: Connection):
+    query = """
+      CREATE TABLE IF NOT EXISTS tema_properties (
+        id INTEGER PRIMARY KEY,
+        tema_id INTEGER,
+        field TEXT NOT NULL,
+        value TEXT NOT NULL,
+        FOREIGN KEY(tema_id) REFERENCES temes(id) ON DELETE CASCADE
+    )
+    """
+    cur = con.cursor()
+    _ = cur.execute(query)