Initial commit: Ballet Production Suite ERP/CRM foundation

.gitignore

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+__pycache__/
+*.py[cod]
+*$py.class
+.venv
+venv/
+ENV/
+env/
+.env
+data/*.db
+*.sqlite3
+.vscode/
+.idea/
+.DS_Store

backend/auth.py

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+import os
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlmodel import Session, select
+from .database import get_session
+from .models import User
+from dotenv import load_dotenv
+
+load_dotenv()
+
+SECRET_KEY = os.getenv("SECRET_KEY", "yoursecretkeyhere")
+ALGORITHM = os.getenv("ALGORITHM", "HS256")
+ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES", "30"))
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+def verify_password(plain_password, hashed_password):
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password):
+    return pwd_context.hash(password)
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+async def get_current_user(token: str = Depends(oauth2_scheme), session: Session = Depends(get_session)):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        username: str = payload.get("sub")
+        if username is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+    
+    user = session.exec(select(User).where(User.username == username)).first()
+    if user is None:
+        raise credentials_exception
+    return user
+
+async def get_current_active_user(current_user: User = Depends(get_current_user)):
+    if not current_user.is_active:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user

backend/database.py

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+import os
+from sqlmodel import create_engine, SQLModel, Session
+from dotenv import load_dotenv
+
+load_dotenv()
+
+# Default to SQLite for easy development if not specified
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./data/ballet_app.db")
+
+# Use check_same_thread=False only for SQLite
+connect_args = {"check_same_thread": False} if DATABASE_URL.startswith("sqlite") else {}
+
+engine = create_engine(DATABASE_URL, connect_args=connect_args, echo=True)
+
+def create_db_and_tables():
+    from . import models # Ensure models are registered
+    SQLModel.metadata.create_all(engine)
+
+def get_session():
+    with Session(engine) as session:
+        yield session

backend/main.py

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+from fastapi import FastAPI, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlmodel import Session, select
+from .database import create_db_and_tables, get_session
+from . import models, auth
+from datetime import timedelta
+
+app = FastAPI(title="Ballet Production Suite API")
+
+@app.on_event("startup")
+def on_startup():
+    create_db_and_tables()
+
+@app.get("/")
+def read_root():
+    return {"message": "Welcome to the Ballet Production Suite API"}
+
+# --- Authentication ---
+@app.post("/token")
+async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), session: Session = Depends(get_session)):
+    user = session.exec(select(models.User).where(models.User.username == form_data.username)).first()
+    if not user or not auth.verify_password(form_data.password, user.hashed_password):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    access_token_expires = timedelta(minutes=auth.ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = auth.create_access_token(
+        data={"sub": user.username}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}
+
+@app.post("/users/", response_model=models.User)
+def create_user(user: models.User, session: Session = Depends(get_session)):
+    user.hashed_password = auth.get_password_hash(user.hashed_password)
+    session.add(user)
+    session.commit()
+    session.refresh(user)
+    return user
+
+# --- Materials ---
+@app.post("/materials/", response_model=models.Material)
+def create_material(material: models.Material, session: Session = Depends(get_session)):
+    session.add(material)
+    session.commit()
+    session.refresh(material)
+    return material
+
+@app.get("/materials/", response_model=list[models.Material])
+def read_materials(session: Session = Depends(get_session)):
+    materials = session.exec(select(models.Material)).all()
+    return materials
+
+# --- Products ---
+@app.post("/products/", response_model=models.Product)
+def create_product(product: models.Product, session: Session = Depends(get_session)):
+    session.add(product)
+    session.commit()
+    session.refresh(product)
+    return product
+
+@app.get("/products/", response_model=list[dict])
+def read_products(session: Session = Depends(get_session)):
+    products = session.exec(select(models.Product)).all()
+    result = []
+    for p in products:
+        # Calculate cost based on materials
+        total_cost = p.base_price
+        for link in p.materials:
+            total_cost += link.quantity_required * link.material.cost_per_unit
+        
+        p_dict = p.dict()
+        p_dict["total_cost"] = total_cost
+        result.append(p_dict)
+    return result
+
+@app.post("/products/{product_id}/materials/")
+def add_material_to_product(product_id: int, material_id: int, quantity: float, session: Session = Depends(get_session)):
+    link = models.ProductMaterialLink(product_id=product_id, material_id=material_id, quantity_required=quantity)
+    session.add(link)
+    session.commit()
+    return {"message": "Material added to product"}
+
+# --- Clients ---
+@app.post("/clients/", response_model=models.Client)
+def create_client(client: models.Client, session: Session = Depends(get_session)):
+    session.add(client)
+    session.commit()
+    session.refresh(client)
+    return client
+
+@app.get("/clients/", response_model=list[models.Client])
+def read_clients(session: Session = Depends(get_session)):
+    clients = session.exec(select(models.Client)).all()
+    return clients
+
+# --- Orders ---
+@app.post("/orders/", response_model=models.Order)
+def create_order(order_data: dict, session: Session = Depends(get_session)):
+    # This is a simplified version for demonstration. 
+    # In a real app, you'd use a Pydantic schema for the request body.
+    client_id = order_data.get("client_id")
+    product_ids = order_data.get("product_ids", []) # List of strings or dicts
+    
+    db_order = models.Order(client_id=client_id, status=models.OrderStatus.QUOTATION)
+    session.add(db_order)
+    session.commit()
+    session.refresh(db_order)
+    
+    for p_id in product_ids:
+        link = models.OrderProductLink(order_id=db_order.id, product_id=p_id, quantity=1)
+        session.add(link)
+    
+    session.commit()
+    session.refresh(db_order)
+    return db_order
+
+@app.get("/orders/", response_model=list[models.Order])
+def read_orders(session: Session = Depends(get_session)):
+    orders = session.exec(select(models.Order)).all()
+    return orders
+
+@app.get("/orders/{order_id}", response_model=models.Order)
+def read_order(order_id: int, session: Session = Depends(get_session)):
+    order = session.get(models.Order, order_id)
+    if not order:
+        raise HTTPException(status_code=404, detail="Order not found")
+    return order
+
+# --- Production ---
+@app.get("/production/", response_model=list[models.ProductionStep])
+def read_production_steps(session: Session = Depends(get_session)):
+    steps = session.exec(select(models.ProductionStep)).all()
+    return steps
+
+@app.patch("/production/{step_id}", response_model=models.ProductionStep)
+def update_production_step(step_id: int, status: str, session: Session = Depends(get_session)):
+    step = session.get(models.ProductionStep, step_id)
+    if not step:
+        raise HTTPException(status_code=404, detail="Step not found")
+    step.status = status
+    if status == "In Progress":
+        step.started_at = datetime.utcnow()
+    elif status == "Completed":
+        step.completed_at = datetime.utcnow()
+    session.add(step)
+    session.commit()
+    session.refresh(step)
+    return step
+
+@app.get("/production/cutting-sheet")
+def get_cutting_sheet(session: Session = Depends(get_session)):
+    # Group material requirements for all orders in 'Corte' status
+    orders_in_corte = session.exec(select(models.Order).where(models.Order.status == "Corte")).all()
+    
+    cutting_sheet = {} # material_name -> total_quantity
+    
+    for order in orders_in_corte:
+        for product_link in order.products:
+            product = product_link.product
+            for mat_link in product.materials:
+                mat_name = mat_link.material.name
+                qty = mat_link.quantity_required * product_link.quantity
+                cutting_sheet[mat_name] = cutting_sheet.get(mat_name, 0) + qty
+                
+    return cutting_sheet

backend/models.py

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+from datetime import datetime
+from typing import List, Optional
+from sqlmodel import Field, SQLModel, Relationship
+
+# --- User & Auth ---
+class User(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    username: str = Field(index=True, unique=True)
+    hashed_password: str
+    is_active: bool = Field(default=True)
+    is_admin: bool = Field(default=False)
+
+# --- Inventory & Materials ---
+class Material(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    name: str = Field(index=True)
+    description: Optional[str] = None
+    unit: str  # e.g., "meters", "units", "grams"
+    stock_quantity: float = Field(default=0.0)
+    reorder_level: float = Field(default=0.0)
+    cost_per_unit: float = Field(default=0.0)
+
+# --- Products ---
+class Product(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    name: str = Field(index=True)
+    sku: str = Field(index=True, unique=True)
+    description: Optional[str] = None
+    base_price: float = Field(default=0.0)
+    estimated_time_hours: float = Field(default=0.0)
+    
+    # Relationships
+    orders: List["OrderProductLink"] = Relationship(back_populates="product")
+    materials: List["ProductMaterialLink"] = Relationship(back_populates="product")
+
+class ProductMaterialLink(SQLModel, table=True):
+    product_id: Optional[int] = Field(default=None, foreign_key="product.id", primary_key=True)
+    material_id: Optional[int] = Field(default=None, foreign_key="material.id", primary_key=True)
+    quantity_required: float
+    
+    product: Product = Relationship(back_populates="materials")
+    material: Material = Relationship()
+
+# --- CRM ---
+class Client(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    full_name: str = Field(index=True)
+    email: Optional[str] = None
+    phone: Optional[str] = None
+    address: Optional[str] = None
+    
+    # Measurements (as a JSON or separate fields, keeping it simple for now)
+    measurements: Optional[str] = None # Or use a JSON type if supported better
+    
+    orders: List["Order"] = Relationship(back_populates="client")
+
+# --- Orders & Production ---
+class OrderStatus(str):
+    QUOTATION = "Quotation"
+    PENDING = "Pending"
+    IN_PRODUCTION = "In Production"
+    SHIPPED = "Shipped"
+    DELIVERED = "Delivered"
+    CANCELLED = "Cancelled"
+
+class Order(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    client_id: int = Field(foreign_key="client.id")
+    order_date: datetime = Field(default_factory=datetime.utcnow)
+    status: str = Field(default=OrderStatus.QUOTATION)
+    total_amount: float = Field(default=0.0)
+    notes: Optional[str] = None
+    
+    client: Client = Relationship(back_populates="orders")
+    products: List["OrderProductLink"] = Relationship(back_populates="order")
+
+class OrderProductLink(SQLModel, table=True):
+    order_id: Optional[int] = Field(default=None, foreign_key="order.id", primary_key=True)
+    product_id: Optional[int] = Field(default=None, foreign_key="product.id", primary_key=True)
+    quantity: int = Field(default=1)
+    customizations: Optional[str] = None
+    
+    order: Order = Relationship(back_populates="products")
+    product: Product = Relationship(back_populates="orders")
+
+class ProductionStep(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    order_id: int = Field(foreign_key="order.id")
+    step_name: str # e.g., "Corte", "Confección", "Terminado"
+    status: str = Field(default="Pending") # Pending, In Progress, Completed
+    assigned_to: Optional[int] = Field(default=None, foreign_key="user.id")
+    started_at: Optional[datetime] = None
+    completed_at: Optional[datetime] = None

frontend/api_client.py

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+import httpx
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+API_URL = os.getenv("API_URL", "http://localhost:8000")
+
+class APIClient:
+    def __init__(self):
+        self.client = httpx.Client(base_url=API_URL)
+        self.token = None
+
+    def login(self, username, password):
+        response = self.client.post("/token", data={"username": username, "password": password})
+        if response.status_code == 200:
+            self.token = response.json()["access_token"]
+            self.client.headers.update({"Authorization": f"Bearer {self.token}"})
+            return True
+        return False
+
+    def get_materials(self):
+        response = self.client.get("/materials/")
+        return response.json()
+
+    def create_material(self, name, description, unit, stock_quantity, reorder_level, cost_per_unit):
+        data = {
+            "name": name,
+            "description": description,
+            "unit": unit,
+            "stock_quantity": stock_quantity,
+            "reorder_level": reorder_level,
+            "cost_per_unit": cost_per_unit
+        }
+        response = self.client.post("/materials/", json=data)
+        return response.json()
+
+api = APIClient()

frontend/app.py

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+from nicegui import ui
+import api_client
+from pages.logistics import render_logistics_page
+
+# Define the layout
+@ui.page('/')
+def main_page():
+    with ui.header().classes('items-center justify-between'):
+        ui.label('Suite de Producción de Ballet').classes('text-2xl font-bold')
+        with ui.row():
+            ui.button('Cerrar Sesión', icon='logout', on_click=lambda: ui.notify('Sesión cerrada'))
+
+    with ui.left_drawer(value=True).classes('bg-slate-100'):
+        with ui.column().classes('w-full gap-2 p-4'):
+            ui.button('Panel de Control', icon='dashboard', on_click=lambda: content.set_content('Dashboard')).classes('w-full justify-start')
+            ui.button('Productos', icon='inventory_2', on_click=lambda: content.set_content('Productos')).classes('w-full justify-start')
+            ui.button('CRM y Pedidos', icon='people', on_click=lambda: content.set_content('CRM')).classes('w-full justify-start')
+            ui.button('Producción', icon='factory', on_click=lambda: content.set_content('Producción')).classes('w-full justify-start')
+            ui.button('Inventario', icon='category', on_click=lambda: content.set_content('Inventario')).classes('w-full justify-start')
+            ui.button('Logística', icon='local_shipping', on_click=lambda: content.set_content('Logística')).classes('w-full justify-start')
+
+    with ui.column().classes('w-full p-8') as main_content:
+        ui.label('Bienvenido al Panel de Control de Ballet Atelier').classes('text-3xl')
+        ui.markdown('''
+        Gestione su negocio de ropa de ballet de manera eficiente:
+        - **Productos**: Seguimiento de sus más de 100 modelos y materiales.
+        - **CRM**: Gestione clientes y sus medidas únicas.
+        - **Producción**: Supervise los pedidos a través del flujo del taller.
+        - **Inventario**: Seguimiento de stock y alertas en tiempo real.
+        ''')
+
+    class ContentManager:
+        def set_content(self, page_name):
+            main_content.clear()
+            with main_content:
+                ui.label(f'Página de {page_name}').classes('text-3xl mb-4')
+                if page_name == 'Dashboard':
+                    ui.label('Aquí aparecerán las estadísticas resumidas.')
+                elif page_name == 'Inventario':
+                    render_inventory_page()
+                elif page_name == 'CRM':
+                    render_crm_page()
+                elif page_name == 'Producción':
+                    render_production_page()
+                elif page_name == 'Logística':
+                    render_logistics_page()
+                elif page_name == 'Productos':
+                    render_products_page()
+                else:
+                    ui.label(f'Contenido para {page_name} próximamente...').classes('text-xl')
+
+    content = ContentManager()
+
+def render_crm_page():
+    ui.label('Gestión de Clientes (CRM)').classes('text-xl mb-4')
+    
+    with ui.row().classes('w-full items-start gap-4'):
+        # Client List
+        with ui.card().classes('flex-1'):
+            ui.label('Clientes').classes('font-bold mb-2')
+            columns = [
+                {'name': 'name', 'label': 'Nombre', 'field': 'name', 'align': 'left'},
+                {'name': 'phone', 'label': 'Teléfono', 'field': 'phone'},
+            ]
+            rows = [
+                {'name': 'Maria Garcia', 'phone': '600-000-000'},
+                {'name': 'Elena Rodriguez', 'phone': '611-111-111'},
+            ]
+            ui.table(columns=columns, rows=rows, row_key='name').classes('w-full')
+            
+        # New Client Form
+        with ui.card().classes('w-64'):
+            ui.label('Nuevo Cliente').classes('font-bold')
+            ui.input('Nombre Completo')
+            ui.input('Teléfono')
+            ui.textarea('Medidas').classes('w-full')
+            ui.button('Guardar Cliente', on_click=lambda: ui.notify('Cliente guardado'))
+
+def render_production_page():
+    ui.label('Flujo de Producción (Kanban)').classes('text-xl mb-4')
+    
+    with ui.row().classes('w-full mb-4'):
+        ui.button('Generar Hoja de Corte', icon='content_cut', on_click=lambda: ui.notify('Hoja de corte generada para todos los pedidos pendientes'))
+
+    with ui.row().classes('w-full justify-between gap-4'):
+        for status_label in ['Corte', 'Confección', 'Terminado']:
+            with ui.column().classes('bg-slate-50 p-4 rounded-lg flex-1 min-h-[400px] border border-slate-200'):
+                ui.label(status_label).classes('font-bold text-lg mb-4 text-slate-600 uppercase tracking-wider')
+                
+                # Sample Card
+                with ui.card().classes('w-full mb-2 cursor-pointer hover:shadow-md transition-shadow'):
+                    ui.label('Pedido #1001').classes('font-bold')
+                    ui.label('Cliente: Maria Garcia')
+                    ui.label('Estado: En Proceso').classes('text-xs text-blue-500')
+                    with ui.row().classes('justify-end w-full'):
+                        ui.button(icon='arrow_forward', variant='text').classes('p-0')
+
+def render_products_page():
+    ui.label('Catálogo de Productos').classes('text-xl mb-4')
+    with ui.grid(columns=3).classes('w-full gap-4'):
+        # In a real app, this would fetch from the API
+        products = [
+            {'name': 'Tutú Profesional', 'sku': 'TUTU-001', 'total_cost': 65.50},
+            {'name': 'Maillot Clásico', 'sku': 'LEO-002', 'total_cost': 28.00},
+            {'name': 'Falda de Ballet', 'sku': 'SKT-003', 'total_cost': 15.20},
+        ]
+        for p in products:
+            with ui.card():
+                ui.label(p['name']).classes('font-bold')
+                ui.label(f"SKU: {p['sku']}").classes('text-xs text-slate-500')
+                ui.label(f"Coste Total: {p['total_cost']}€").classes('text-lg font-semibold text-primary')
+                ui.button('Editar Materiales', variant='text')
+
+def render_inventory_page():
+    ui.label('Inventario de Materiales').classes('text-xl mb-2')
+    
+    # Simple form to add material
+    with ui.card().classes('w-full mb-4'):
+        ui.label('Añadir Nuevo Material').classes('font-bold')
+        with ui.row():
+            name = ui.input('Nombre')
+            unit = ui.input('Unidad (ej. metros)')
+            stock = ui.number('Stock Inicial', value=0)
+            cost = ui.number('Coste por Unidad', value=0.0)
+        ui.button('Añadir Material', on_click=lambda: ui.notify(f'Añadido {name.value}'))
+
+    # Placeholder for table
+    ui.label('Niveles de Stock').classes('font-bold')
+    columns = [
+        {'name': 'name', 'label': 'Nombre', 'field': 'name', 'required': True, 'align': 'left'},
+        {'name': 'unit', 'label': 'Unidad', 'field': 'unit'},
+        {'name': 'stock', 'label': 'Stock', 'field': 'stock'},
+        {'name': 'cost', 'label': 'Coste', 'field': 'cost'},
+    ]
+    rows = [
+        {'name': 'Satén Rosa', 'unit': 'metros', 'stock': 50, 'cost': 12.5},
+        {'name': 'Tul Blanco', 'unit': 'metros', 'stock': 120, 'cost': 5.0},
+    ]
+    ui.table(columns=columns, rows=rows, row_key='name')
+
+ui.run(title="Suite de Producción de Ballet", port=8080)

frontend/pages/logistics.py

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+from nicegui import ui
+
+def render_logistics_page():
+    ui.label('Logística y Envíos').classes('text-xl mb-4')
+    
+    with ui.row().classes('w-full gap-4'):
+        # Pending Shipments
+        with ui.card().classes('flex-1'):
+            ui.label('Envíos Pendientes').classes('font-bold mb-2')
+            columns = [
+                {'name': 'order', 'label': 'Pedido #', 'field': 'order'},
+                {'name': 'client', 'label': 'Cliente', 'field': 'client'},
+                {'name': 'status', 'label': 'Estado', 'field': 'status'},
+            ]
+            rows = [
+                {'order': '1001', 'client': 'Maria Garcia', 'status': 'Listo'},
+            ]
+            ui.table(columns=columns, rows=rows, row_key='order').classes('w-full')
+            
+        # Actions
+        with ui.column().classes('w-64 gap-2'):
+            ui.button('Generar Etiqueta de Envío', icon='label', on_click=lambda: ui.notify('Etiqueta generada (simulación PDF)'))
+            ui.button('Generar Factura', icon='receipt', on_click=lambda: ui.notify('Factura generada'))
+            ui.button('Marcar como Enviado', icon='check_circle', color='green', on_click=lambda: ui.notify('Estado del pedido actualizado'))

requirements.txt

@@ -0,0 +1,11 @@
+fastapi
+uvicorn
+sqlmodel
+psycopg2-binary
+python-jose[cryptography]
+passlib[bcrypt]
+python-multipart
+nicegui
+httpx
+python-dotenv
+pytest