Initial income_calculator project

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

backend/api/banks.py

@@ -0,0 +1,31 @@
+from fastapi import APIRouter, HTTPException
+
+from backend.db.database import get_connection
+
+router = APIRouter(prefix="/api/banks", tags=["banks"])
+
+
+@router.get("")
+def list_banks():
+    conn = get_connection()
+    try:
+        rows = conn.execute(
+            "SELECT id, code, name, is_salary FROM banks ORDER BY code"
+        ).fetchall()
+        return [dict(r) for r in rows]
+    finally:
+        conn.close()
+
+
+@router.put("/salary/{bank_id}")
+def set_salary_bank(bank_id: int):
+    conn = get_connection()
+    try:
+        conn.execute("UPDATE banks SET is_salary = 0")
+        cur = conn.execute("UPDATE banks SET is_salary = 1 WHERE id = ?", (bank_id,))
+        conn.commit()
+        if cur.rowcount == 0:
+            raise HTTPException(status_code=404, detail="Bank not found")
+        return {"salary_bank_id": bank_id}
+    finally:
+        conn.close()