feat: implementacao inicial do sistema LeadRadar

backend/app/models/user.py

@@ -0,0 +1,45 @@
+import uuid
+from datetime import datetime, timezone
+from flask_sqlalchemy import SQLAlchemy
+
+# We will import db from extensions, but let's define extensions properly
+from app.extensions import db, bcrypt
+
+class User(db.Model):
+    __tablename__ = 'users'
+
+    id = db.Column(db.String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    nome = db.Column(db.String(120), nullable=False)
+    email = db.Column(db.String(180), unique=True, index=True, nullable=False)
+    password_hash = db.Column(db.String(255), nullable=False)
+    role = db.Column(db.String(20), nullable=False, default='user')  # 'admin' or 'user'
+    ativo = db.Column(db.Boolean, default=True, nullable=False)
+    criado_em = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc))
+    atualizado_em = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
+
+    # Relationships
+    leads_responsaveis = db.relationship('Lead', backref='usuario_responsavel', lazy='dynamic')
+    interacoes = db.relationship('LeadInteracao', backref='usuario', lazy='dynamic')
+
+    def set_password(self, password: str):
+        self.password_hash = bcrypt.generate_password_hash(password).decode('utf-8')
+
+    def check_password(self, password: str) -> bool:
+        return bcrypt.check_password_hash(self.password_hash, password)
+
+    def is_admin(self) -> bool:
+        return self.role == 'admin'
+
+    def to_dict(self):
+        return {
+            'id': self.id,
+            'nome': self.nome,
+            'email': self.email,
+            'role': self.role,
+            'ativo': self.ativo,
+            'criado_em': self.criado_em.isoformat() if self.criado_em else None,
+            'atualizado_em': self.atualizado_em.isoformat() if self.atualizado_em else None
+        }
+
+    def __repr__(self):
+        return f'<User {self.email} ({self.role})>'