chore: adding api(get) districts

app/__init__.py

@@ -15,9 +15,10 @@ def home():
         return render_template("index.html")
 
     with app.app_context():
-        from app.routes import province_bp, regency_bp
+        from app.routes import province_bp, regency_bp, district_bp
 
         app.register_blueprint(province_bp)
         app.register_blueprint(regency_bp)
+        app.register_blueprint(district_bp)
         db.create_all()
     return app

app/models.py

@@ -30,3 +30,12 @@ class Regencies(db.Model):
     )
     name = db.Column(db.String(255), nullable=False)
     province = db.relationship("Provinces", backref=db.backref("regencies", lazy=True))
+
+
+class Districts(db.Model):
+    code = db.Column(db.String(8), primary_key=True)
+    regency_code = db.Column(
+        db.String(5), db.ForeignKey("regencies.code"), nullable=False
+    )
+    name = db.Column(db.String(255), nullable=False)
+    regency = db.relationship("Regencies", backref=db.backref("districts", lazy=True))

app/routes.py

@@ -1,8 +1,9 @@
 from flask import Blueprint, jsonify, request
-from app.models import Provinces, Regencies
+from app.models import Districts, Provinces, Regencies
 
 province_bp = Blueprint("provinces", __name__)
 regency_bp = Blueprint("regencies", __name__)
+district_bp = Blueprint("districts", __name__)
 
 
 @province_bp.route("/api/provinces", methods=["GET"])
@@ -24,3 +25,17 @@ def get_regencies():
         return jsonify({"message": "no regencies found for given province code"}), 404
     response = [{"code": regency.code, "name": regency.name} for regency in regencies]
     return jsonify({"data": response})
+
+
+@district_bp.route("/api/districts", methods=["GET"])
+def get_districts():
+    regency_code = request.args.get("regency_code")
+    if not regency_code:
+        return jsonify({"error": "regency code is required"}), 400
+    districts = Districts.query.filter_by(regency_code=regency_code).all()
+    if not districts:
+        return jsonify({"message": "no districts found for given regency code"})
+    response = [
+        {"code": district.code, "name": district.name} for district in districts
+    ]
+    return jsonify({"data": response})