add database schemas and general queries

src/logic/db_schemas.py

@@ -0,0 +1,32 @@
+KOMGRABBER_TABLE = """
+CREATE TABLE IF NOT EXISTS komgrabber (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    series_id TEXT NOT NULL,
+    status TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, 
+    last_checked TIMESTAMP DEFAULT 0
+);
+"""
+
+INSERT_KOMGRABBER = """
+INSERT INTO komgrabber (name, series_id, status)
+VALUES (?, ?, ?);
+"""
+SELECT_KOMGRABBER = """
+SELECT * FROM komgrabber WHERE series_id = ?;
+"""
+UPDATE_KOMGRABBER = """
+UPDATE komgrabber
+SET name = ?, status = ?, updated_at = CURRENT_TIMESTAMP
+WHERE series_id = ?;
+"""
+LASTCHECKED_KOMGRABBER = """
+UPDATE komgrabber
+SET last_checked = CURRENT_TIMESTAMP
+WHERE series_id = ?;
+"""
+GET_LASTCHECKED_KOMGRABBER = """
+SELECT last_checked FROM komgrabber WHERE series_id = ?;
+"""