A number of database related additions

config.json

@@ -0,0 +1,6 @@
+{
+    "database": {
+        "type": "SQLite",
+        "name": "scdb.db"
+    }
+}

sc_database_generator.py

@@ -0,0 +1,47 @@
+import json
+from utilities.database.sqlite import SQLite
+
+with open("config.json", 'r') as config_file:
+    config_json = json.load(config_file.read())
+
+my_db = SQLite(config_json["database"]["name"])
+
+my_db.query("""
+    CREATE TABLE IF NOT EXISTS media (
+        media_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        media_name TEXT NOT NULL,
+        media_uri TEXT,
+        media_preparing INTEGER DEFAULT 0 CHECK(media_preparing IN (0, 1)),
+        media_active INTEGER DEFAULT 0 CHECK(media_active IN (0, 1))
+    )
+""")
+
+my_db.query("""
+    CREATE TABLE IF NOT EXISTS media_preparation (
+        media_preparation_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        media_id INTEGER NOT NULL,
+        media_preparation_started INTEGER DEFAULT 0 CHECK(media_preparation_started IN (0, 1)),
+        media_preparation_finished INTEGER DEFAULT 0 CHECK(media_preparation_finished IN (0, 1)),
+        media_preparation_time_between_components INTEGER
+    )
+""")
+
+my_db.query("""
+    CREATE TABLE IF NOT EXISTS media_component (
+        media_component_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        media_id INTEGER NOT NULL,
+        media_component_uri NOT NULL,
+        media_component_index INTEGER CHECK(media_component_index >= 1),
+        media_component_deleted INTEGER DEFAULT 0 CHECK(media_component_deleted IN (0, 1))
+    )
+""")
+
+my_db.query("""
+    CREATE TABLE IF NOT EXISTS media_playback_option (
+        media_playback_option_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        media_playback_option TEXT NOT NULL,
+        media_playback_option_weight NOT NULL CHECK(media_playback_option_weight >= 1)
+    )
+""")
+
+my_db.close()

utilities/database/sqlite.py

@@ -21,6 +21,8 @@ class SQLite(Database):
             rows = list(cursor)
 
             return (len(rows), rows)
+        elif query.casefold().startswith("INSERT".casefold()):
+            return (cursor.lastrowid, None)
         else:
             return (cursor.rowcount, None)
 

utilities/database/tools.py

@@ -0,0 +1,15 @@
+from flask import g
+from sqlite import SQLite
+import json
+
+def get_db():
+    db = getattr(g, "_database", None)
+
+    if db is None:
+        with open('../../config.json') as config_file:
+            config_json = json.load(config_file.read())
+
+        if str(config_json["database"]["type"]).casefold() == "SQLite".casefold():
+            db = g._database = SQLite(config_json["database"]["name"])
+    
+    return db