Initial income_calculator project

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/services/settings_service.py

@@ -0,0 +1,61 @@
+from backend.db.database import get_connection
+
+
+def get_income_settings() -> tuple[bool, int | None]:
+    """Возвращает (count_income_only_salary_card, salary_account_id)."""
+    conn = get_connection()
+    try:
+        row = conn.execute(
+            "SELECT value FROM app_settings WHERE key = ?",
+            ("count_income_only_salary_card",),
+        ).fetchone()
+        only_salary_card = row and row["value"] == "1"
+        row2 = conn.execute(
+            "SELECT value FROM app_settings WHERE key = ?",
+            ("salary_account_id",),
+        ).fetchone()
+        account_id = int(row2["value"]) if row2 and row2["value"] else None
+        return (only_salary_card, account_id)
+    finally:
+        conn.close()
+
+
+def set_income_settings(count_income_only_salary_card: bool, salary_account_id: int | None) -> None:
+    conn = get_connection()
+    try:
+        conn.execute(
+            "INSERT OR REPLACE INTO app_settings (key, value) VALUES (?, ?)",
+            ("count_income_only_salary_card", "1" if count_income_only_salary_card else "0"),
+        )
+        conn.execute(
+            "INSERT OR REPLACE INTO app_settings (key, value) VALUES (?, ?)",
+            ("salary_account_id", str(salary_account_id) if salary_account_id else ""),
+        )
+        conn.commit()
+    finally:
+        conn.close()
+
+
+def get_exclude_transfers() -> bool:
+    """Игнорировать операции с «Перевод» в расчётах."""
+    conn = get_connection()
+    try:
+        row = conn.execute(
+            "SELECT value FROM app_settings WHERE key = ?",
+            ("exclude_transfers",),
+        ).fetchone()
+        return row and row["value"] == "1"
+    finally:
+        conn.close()
+
+
+def set_exclude_transfers(value: bool) -> None:
+    conn = get_connection()
+    try:
+        conn.execute(
+            "INSERT OR REPLACE INTO app_settings (key, value) VALUES (?, ?)",
+            ("exclude_transfers", "1" if value else "0"),
+        )
+        conn.commit()
+    finally:
+        conn.close()