Initial commit after fork. Moving Budget categories to Database and adding subcategories, with customization options

server/db-schema-test.js

@@ -121,6 +121,7 @@ const MIGRATIONS_SQL = {
       title           TEXT    NOT NULL,
       amount          REAL    NOT NULL,
       category        TEXT    NOT NULL DEFAULT 'Sonstiges',
+      subcategory     TEXT    NOT NULL DEFAULT '',
       date            TEXT    NOT NULL,
       is_recurring    INTEGER NOT NULL DEFAULT 0,
       recurrence_rule TEXT,
@@ -128,6 +129,21 @@ const MIGRATIONS_SQL = {
       created_at      TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
       updated_at      TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now'))
     );
+    CREATE TABLE IF NOT EXISTS budget_categories (
+      key        TEXT PRIMARY KEY,
+      name       TEXT    NOT NULL,
+      type       TEXT    NOT NULL CHECK(type IN ('expense', 'income')),
+      sort_order INTEGER NOT NULL DEFAULT 0,
+      created_at TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now'))
+    );
+    CREATE TABLE IF NOT EXISTS budget_subcategories (
+      key          TEXT PRIMARY KEY,
+      category_key TEXT    NOT NULL REFERENCES budget_categories(key) ON DELETE CASCADE,
+      name         TEXT    NOT NULL,
+      sort_order   INTEGER NOT NULL DEFAULT 0,
+      created_at   TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
+      UNIQUE(category_key, name)
+    );
     CREATE TRIGGER IF NOT EXISTS trg_users_updated_at
       AFTER UPDATE ON users FOR EACH ROW
       BEGIN UPDATE users SET updated_at = strftime('%Y-%m-%dT%H:%M:%SZ', 'now') WHERE id = OLD.id; END;