Rotas de Tag validadas

app/__init__.py

@@ -6,6 +6,7 @@ from app.routes.user_routes import user_bp
 from app.routes.login_form import login_bp
 from app.routes.dashboard import dashboard_bp
 from app.routes.invoice_routes import invoice_bp
+from app.routes.tag_routes import tag_bp
 from werkzeug.security import generate_password_hash
 
 def create_default_user():
@@ -58,5 +59,5 @@ def create_app():
     app.register_blueprint(invoice_bp, url_prefix="/invoices")
     app.register_blueprint(login_bp, url_prefix="/login_bp")
     app.register_blueprint(dashboard_bp, url_prefix="/dashboard")
-
+    app.register_blueprint(tag_bp, url_prefix="/tags")
     return app

app/models/model_tag.py

@@ -1,12 +1,10 @@
-from sqlalchemy import Column, String
-from sqlalchemy.dialects.postgresql import UUID
-from sqlalchemy.ext.declarative import declarative_base
+from app.database import db
+
 import uuid
 
-Base = declarative_base()
 
-class Tag(Base):
+class Tag(db.Model):
     __tablename__ = "tag"
 
-    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
-    nome = Column(String, unique=True, nullable=False)
+    id = db.Column(db.UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    nome = db.Column(db.String, unique=True, nullable=False)

app/routes/tag_routes.py

@@ -1,18 +1,39 @@
 from flask import Blueprint, request, jsonify
-from models.tag import Tag
-from models.base import db
+from app.models.model_tag import Tag
+from app.database import db
+from sqlalchemy.exc import SQLAlchemyError
 
-tag_routes = Blueprint("tag_routes", __name__, url_prefix="/tags")
+tag_bp = Blueprint("tag_routes", __name__, url_prefix="/tags")
 
-@tag_routes.route("/", methods=["POST"])
+@tag_bp.route("/", methods=["POST"])
 def create_tag():
+    try:
         nome = request.json.get("nome")
+        if not nome:
+            return jsonify({"error": "Nome é obrigatório"}), 400
+
+        # Verifica se já existe uma tag com o mesmo nome
+        existing_tag = Tag.query.filter_by(nome=nome).first()
+        if existing_tag:
+            return jsonify({"error": "Nome já está em uso"}), 409
+        
         new_tag = Tag(nome=nome)
         db.session.add(new_tag)
         db.session.commit()
         return jsonify({"id": new_tag.id, "nome": new_tag.nome}), 201
     
-@tag_routes.route("/", methods=["GET"])
+    except SQLAlchemyError as e:
+        db.session.rollback()
+        return jsonify({"error": "Erro ao criar tag", "details": str(e)}), 500
+
+@tag_bp.route("/", methods=["GET"])
 def list_tags():
+    try:
         tags = Tag.query.all()
+        if not tags:
+            return jsonify({"message": "Nenhuma tag encontrada"}), 404
+        
         return jsonify([{"id": tag.id, "nome": tag.nome} for tag in tags]), 200
+    
+    except SQLAlchemyError as e:
+        return jsonify({"error": "Erro ao listar tags", "details": str(e)}), 500