Upload 86 files

.dockerignore

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+# Git
+.git
+.gitignore
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual Environment
+venv/
+ENV/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Project specific
+logs/
+uploads/
+backups/
+.env
+*.log

.env

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+PROJECT_NAME=Admin Dashboard API
+VERSION=1.0.0
+API_V1_STR=/api/v1
+
+# Security
+SECRET_KEY=your-secret-key-here-change-in-production
+ACCESS_TOKEN_EXPIRE_MINUTES=30
+ALGORITHM=HS256
+
+# Database
+DATABASE_URL=postgresql+asyncpg://postgres:Lovyelias5584.@db.juycnkjuzylnbruwaqmp.supabase.co:5432/postgres
+# Redis Cache
+REDIS_HOST=localhost
+REDIS_PORT=6379

Dockerfile

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+# Use Python 3.11 slim as base image
+FROM python:3.11-slim as builder
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt
+
+# Final stage
+FROM python:3.11-slim
+
+# Create non-root user
+RUN useradd -m appuser
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    libpq5 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy wheels from builder stage
+COPY --from=builder /app/wheels /wheels
+COPY --from=builder /app/requirements.txt .
+
+# Install Python packages
+RUN pip install --no-cache /wheels/*
+
+# Copy application code
+COPY ./app app/
+COPY ./alembic.ini .
+COPY ./alembic alembic/
+
+# Create necessary directories with proper permissions
+RUN mkdir -p /app/logs /app/uploads/images /app/uploads/documents /app/backups && \
+    chown -R appuser:appuser /app
+
+# Switch to non-root user
+USER appuser
+
+# Set environment variables
+ENV PYTHONPATH=/app \
+    PYTHONUNBUFFERED=1
+
+# Expose port
+EXPOSE 8000
+
+# Start the application with uvicorn
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = alembic
+
+# template used to generate migration files
+file_template = %%(year)d%%(month).2d%%(day).2d_%%(hour).2d%%(minute).2d_%%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+timezone = UTC
+
+# max length of characters to apply to the "slug" field
+truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+sourceless = false
+
+# version location specification
+version_locations = alembic/versions
+
+# version path separator
+version_path_separator = os
+
+# the output encoding used when revision files
+# are written from script.py.mako
+output_encoding = utf-8
+
+sqlalchemy.url = postgresql+psycopg2://postgres:Lovyelias5584.@db.mqyrkmsdgugdhxiucukb.supabase.co:5432/postgres
+
+[post_write_hooks]
+# format using "black"
+hooks = black
+black.type = console_scripts
+black.entrypoint = black
+black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

alembic/README

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+Generic single-database configuration.

alembic/env.py

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+from logging.config import fileConfig
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from alembic import context
+import os
+import sys
+from pathlib import Path
+
+# Add the parent directory to the Python path
+parent_dir = str(Path(__file__).resolve().parents[1])
+sys.path.append(parent_dir)
+
+from app.core.config import settings
+from app.db.models import Base
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+def get_url():
+    return str(settings.DATABASE_URL).replace("+asyncpg", "+psycopg2")
+
+config.set_main_option("sqlalchemy.url", get_url())
+
+target_metadata = Base.metadata
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode."""
+    url = get_url()
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+    configuration = config.get_section(config.config_ini_section)
+    configuration["sqlalchemy.url"] = get_url()
+    connectable = engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

app/api/analytics.py

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+from fastapi import APIRouter, Depends, Query, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, func, cast, Date, and_
+from datetime import datetime, timedelta
+from typing import Dict, Any, Optional
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Order, Product, User
+
+router = APIRouter()
+
+@router.get("/sales")
+async def get_sales_analytics(
+    start_date: datetime = Query(default=None),
+    end_date: datetime = Query(default=None),
+    branch_id: Optional[int] = Query(None, description="Filter analytics by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    if not start_date:
+        start_date = datetime.now() - timedelta(days=30)
+    if not end_date:
+        end_date = datetime.now()
+    
+    # Build query conditions
+    conditions = [
+        Order.created_at.between(start_date, end_date),
+        Order.status.in_(['completed', 'delivered'])
+    ]
+    
+    # Add branch filter
+    if branch_id:
+        if not current_user.is_superuser and branch_id != current_user.branch_id:
+            raise HTTPException(
+                status_code=403,
+                detail="You can only view analytics from your own branch"
+            )
+        conditions.append(Order.branch_id == branch_id)
+    elif not current_user.is_superuser:
+        # Non-superusers can only see their branch's analytics
+        conditions.append(Order.branch_id == current_user.branch_id)
+    
+    # Daily sales query
+    stmt = select(
+        cast(Order.created_at, Date).label('date'),
+        func.sum(Order.total_amount).label('total_sales'),
+        func.count().label('order_count')
+    ).where(
+        and_(*conditions)
+    ).group_by(
+        cast(Order.created_at, Date)
+    ).order_by(
+        cast(Order.created_at, Date)
+    )
+    
+    result = await db.execute(stmt)
+    daily_sales = result.all()
+    
+    # Calculate totals
+    total_revenue = sum(day.total_sales for day in daily_sales)
+    total_orders = sum(day.order_count for day in daily_sales)
+    avg_order_value = total_revenue / total_orders if total_orders > 0 else 0
+    
+    return {
+        "daily_sales": [
+            {"date": day.date, "total_sales": day.total_sales, "order_count": day.order_count}
+            for day in daily_sales
+        ],
+        "total_revenue": total_revenue,
+        "total_orders": total_orders,
+        "average_order_value": avg_order_value
+    }
+
+@router.get("/products")
+async def get_product_analytics(
+    branch_id: Optional[int] = Query(None, description="Filter analytics by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    # Build base conditions
+    conditions = []
+    
+    # Add branch filter
+    if branch_id:
+        if not current_user.is_superuser and branch_id != current_user.branch_id:
+            raise HTTPException(
+                status_code=403,
+                detail="You can only view analytics from your own branch"
+            )
+        conditions.append(Product.branch_id == branch_id)
+    elif not current_user.is_superuser:
+        conditions.append(Product.branch_id == current_user.branch_id)
+    
+    # Top selling products
+    stmt = select(
+        Product,
+        func.sum(Order.total_amount).label('total_revenue'),
+        func.count().label('total_orders')
+    ).join(
+        Order, Product.id == Order.id
+    ).where(
+        and_(*conditions)
+    ).group_by(
+        Product.id
+    ).order_by(
+        func.sum(Order.total_amount).desc()
+    ).limit(10)
+    
+    result = await db.execute(stmt)
+    top_products = result.all()
+    
+    # Count total and low stock products
+    total_products = await db.scalar(
+        select(func.count()).select_from(Product).where(and_(*conditions))
+    )
+    
+    low_stock_conditions = conditions + [Product.inventory_count < 10]
+    low_stock_count = await db.scalar(
+        select(func.count()).select_from(Product).where(and_(*low_stock_conditions))
+    )
+    
+    return {
+        "top_products": [
+            {
+                "id": product.id,
+                "name": product.name,
+                "total_revenue": revenue,
+                "total_orders": orders
+            }
+            for product, revenue, orders in top_products
+        ],
+        "total_products": total_products,
+        "low_stock_products": low_stock_count
+    }
+
+@router.get("/customers")
+async def get_customer_analytics(
+    branch_id: Optional[int] = Query(None, description="Filter analytics by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    # Build base conditions
+    conditions = []
+    
+    # Add branch filter
+    if branch_id:
+        if not current_user.is_superuser and branch_id != current_user.branch_id:
+            raise HTTPException(
+                status_code=403,
+                detail="You can only view analytics from your own branch"
+            )
+        conditions.append(Order.branch_id == branch_id)
+    elif not current_user.is_superuser:
+        conditions.append(Order.branch_id == current_user.branch_id)
+    
+    # Customer statistics
+    stmt = select(
+        User,
+        func.sum(Order.total_amount).label('total_spent'),
+        func.count().label('total_orders')
+    ).join(
+        Order, User.id == Order.customer_id
+    ).where(
+        and_(*conditions)
+    ).group_by(
+        User.id
+    ).order_by(
+        func.sum(Order.total_amount).desc()
+    )
+    
+    result = await db.execute(stmt)
+    customer_data = result.all()
+    
+    total_customers = len(customer_data)
+    total_revenue = sum(spent for _, spent, _ in customer_data)
+    avg_customer_value = total_revenue / total_customers if total_customers > 0 else 0
+    
+    # Customer segments
+    segments = {
+        "high_value": len([c for c, spent, _ in customer_data if spent > 1000]),
+        "medium_value": len([c for c, spent, _ in customer_data if 500 <= spent <= 1000]),
+        "low_value": len([c for c, spent, _ in customer_data if spent < 500])
+    }
+    
+    return {
+        "total_customers": total_customers,
+        "average_customer_value": avg_customer_value,
+        "customer_segments": segments,
+        "top_customers": [
+            {
+                "id": customer.id,
+                "email": customer.email,
+                "total_spent": spent,
+                "total_orders": orders
+            }
+            for customer, spent, orders in customer_data[:10]  # Top 10 customers
+        ]
+    }
+
+@router.get("/dashboard")
+async def get_dashboard_analytics(
+    branch_id: Optional[int] = Query(None, description="Filter analytics by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    """Get a comprehensive dashboard with key metrics"""
+    # Get last 30 days of sales data
+    start_date = datetime.now() - timedelta(days=30)
+    end_date = datetime.now()
+    
+    sales_data = await get_sales_analytics(start_date, end_date, branch_id, current_user, db)
+    product_data = await get_product_analytics(branch_id, current_user, db)
+    customer_data = await get_customer_analytics(branch_id, current_user, db)
+    
+    return {
+        "sales_summary": {
+            "total_revenue": sales_data["total_revenue"],
+            "total_orders": sales_data["total_orders"],
+            "average_order_value": sales_data["average_order_value"],
+            "daily_sales": sales_data["daily_sales"][-7:]  # Last 7 days
+        },
+        "product_summary": {
+            "total_products": product_data["total_products"],
+            "low_stock_products": product_data["low_stock_products"],
+            "top_selling_products": product_data["top_products"][:5]  # Top 5 products
+        },
+        "customer_summary": {
+            "total_customers": customer_data["total_customers"],
+            "average_customer_value": customer_data["average_customer_value"],
+            "customer_segments": customer_data["customer_segments"]
+        }
+    }

app/api/auth.py

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+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from ..core.security import create_access_token, verify_password, get_password_hash
+from ..db.database import get_db
+from ..db.models import User
+from ..db.schemas import UserInDB
+from datetime import timedelta
+from typing import Any
+
+router = APIRouter()
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+@router.post("/login")
+async def login(
+    form_data: OAuth2PasswordRequestForm = Depends(),
+    db: AsyncSession = Depends(get_db)
+) -> Any:
+    stmt = select(User).where(User.email == form_data.username)
+    result = await db.execute(stmt)
+    user = result.scalar_one_or_none()
+    
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect email or password",
+        )
+    
+    if not verify_password(form_data.password, user.hashed_password):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect email or password",
+        )
+    
+    access_token = create_access_token(user.id)
+    return {"access_token": access_token, "token_type": "bearer"}
+
+@router.post("/register", response_model=UserInDB)
+async def register(
+    user_data: OAuth2PasswordRequestForm = Depends(),
+    db: AsyncSession = Depends(get_db)
+) -> Any:
+    # Check if user exists
+    stmt = select(User).where(User.email == user_data.username)
+    result = await db.execute(stmt)
+    existing_user = result.scalar_one_or_none()
+    
+    if existing_user:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Email already registered",
+        )
+    
+    # Create new user
+    user = User(
+        email=user_data.username,
+        hashed_password=get_password_hash(user_data.password),
+        full_name=user_data.username,  # You might want to add this as a separate field in the form
+        username=user_data.username,
+        is_active=True,
+        is_superuser=False,
+        roles=["user"]
+    )
+    
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    
+    return user

app/api/branches.py

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+from fastapi import APIRouter, HTTPException, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import List
+from ..core.dependencies import get_current_superuser
+from ..db.database import get_db
+from ..db.models import Branch
+from ..db.schemas import BranchCreate, BranchInDB
+
+router = APIRouter()
+
+@router.post("/", response_model=BranchInDB)
+async def create_branch(
+    branch: BranchCreate,
+    current_user = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> BranchInDB:
+    """Create a new branch (superuser only)"""
+    db_branch = Branch(**branch.dict())
+    db.add(db_branch)
+    await db.commit()
+    await db.refresh(db_branch)
+    return db_branch
+
+@router.get("/", response_model=List[BranchInDB])
+async def list_branches(
+    skip: int = 0,
+    limit: int = 100,
+    db: AsyncSession = Depends(get_db)
+) -> List[BranchInDB]:
+    """List all branches"""
+    query = select(Branch).offset(skip).limit(limit)
+    result = await db.execute(query)
+    return result.scalars().all()
+
+@router.get("/{branch_id}", response_model=BranchInDB)
+async def get_branch(
+    branch_id: int,
+    db: AsyncSession = Depends(get_db)
+) -> BranchInDB:
+    """Get a specific branch"""
+    stmt = select(Branch).where(Branch.id == branch_id)
+    result = await db.execute(stmt)
+    branch = result.scalar_one_or_none()
+    
+    if not branch:
+        raise HTTPException(status_code=404, detail="Branch not found")
+    return branch
+
+@router.put("/{branch_id}", response_model=BranchInDB)
+async def update_branch(
+    branch_id: int,
+    branch_update: BranchCreate,
+    current_user = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> BranchInDB:
+    """Update a branch (superuser only)"""
+    stmt = select(Branch).where(Branch.id == branch_id)
+    result = await db.execute(stmt)
+    branch = result.scalar_one_or_none()
+    
+    if not branch:
+        raise HTTPException(status_code=404, detail="Branch not found")
+    
+    # Update branch fields
+    for field, value in branch_update.dict().items():
+        setattr(branch, field, value)
+    
+    await db.commit()
+    await db.refresh(branch)
+    return branch
+
+@router.delete("/{branch_id}")
+async def delete_branch(
+    branch_id: int,
+    current_user = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+):
+    """Delete a branch (superuser only)"""
+    stmt = select(Branch).where(Branch.id == branch_id)
+    result = await db.execute(stmt)
+    branch = result.scalar_one_or_none()
+    
+    if not branch:
+        raise HTTPException(status_code=404, detail="Branch not found")
+    
+    await db.delete(branch)
+    await db.commit()
+    return {"status": "success", "message": "Branch deleted"}

app/api/calendar.py

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+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, or_
+from typing import List, Dict, Any
+from datetime import datetime, timedelta
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Event, User
+from ..db.schemas import EventCreate, EventUpdate, EventInDB, RecurringEventCreate
+
+router = APIRouter()
+
+@router.post("/events", response_model=EventInDB)
+async def create_event(
+    event: EventCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> EventInDB:
+    """Create a new calendar event"""
+    db_event = Event(
+        user_id=current_user.id,
+        title=event.title,
+        description=event.description,
+        start_time=event.start_time,
+        end_time=event.end_time,
+        attendees=event.attendees,
+        is_all_day=event.is_all_day,
+        reminder_minutes=event.reminder_minutes,
+        status="scheduled",
+        attendee_responses={}
+    )
+    
+    db.add(db_event)
+    await db.commit()
+    await db.refresh(db_event)
+    return db_event
+
+@router.get("/events", response_model=List[EventInDB])
+async def get_events(
+    start_date: datetime = Query(default=None),
+    end_date: datetime = Query(default=None),
+    include_attendee_events: bool = True,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[EventInDB]:
+    """Get user's events within a date range"""
+    if not start_date:
+        start_date = datetime.now()
+    if not end_date:
+        end_date = start_date + timedelta(days=30)
+    
+    query = select(Event).where(
+        Event.start_time >= start_date,
+        Event.end_time <= end_date
+    )
+    
+    if include_attendee_events:
+        query = query.where(or_(
+            Event.user_id == current_user.id,
+            Event.attendees.contains([str(current_user.id)])
+        ))
+    else:
+        query = query.where(Event.user_id == current_user.id)
+    
+    query = query.order_by(Event.start_time)
+    result = await db.execute(query)
+    return result.scalars().all()
+
+@router.put("/events/{event_id}", response_model=EventInDB)
+async def update_event(
+    event_id: int,
+    event_update: EventUpdate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> EventInDB:
+    """Update an event"""
+    stmt = select(Event).where(
+        Event.id == event_id,
+        Event.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    event = result.scalar_one_or_none()
+    
+    if not event:
+        raise HTTPException(
+            status_code=404,
+            detail="Event not found or you don't have permission to update it"
+        )
+    
+    # Update event fields
+    update_data = event_update.dict(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(event, field, value)
+    
+    event.updated_at = datetime.utcnow()
+    await db.commit()
+    await db.refresh(event)
+    return event
+
+@router.delete("/events/{event_id}")
+async def delete_event(
+    event_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, bool]:
+    """Delete an event"""
+    stmt = select(Event).where(
+        Event.id == event_id,
+        Event.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    event = result.scalar_one_or_none()
+    
+    if not event:
+        raise HTTPException(
+            status_code=404,
+            detail="Event not found or you don't have permission to delete it"
+        )
+    
+    await db.delete(event)
+    await db.commit()
+    return {"success": True}
+
+@router.post("/events/{event_id}/respond")
+async def respond_to_event(
+    event_id: int,
+    response: str,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, bool]:
+    """Respond to an event invitation"""
+    if response not in ["accepted", "declined", "maybe"]:
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid response. Must be one of: accepted, declined, maybe"
+        )
+    
+    stmt = select(Event).where(
+        Event.id == event_id,
+        Event.attendees.contains([str(current_user.id)])
+    )
+    result = await db.execute(stmt)
+    event = result.scalar_one_or_none()
+    
+    if not event:
+        raise HTTPException(
+            status_code=404,
+            detail="Event not found or you are not invited to this event"
+        )
+    
+    # Update the response in the attendee_responses dictionary
+    event.attendee_responses[str(current_user.id)] = response
+    event.updated_at = datetime.utcnow()
+    
+    await db.commit()
+    return {"success": True}

app/api/files.py

@@ -0,0 +1,53 @@
+from fastapi import APIRouter, UploadFile, File, Depends, HTTPException
+from fastapi.responses import FileResponse
+from typing import List
+from ..core.dependencies import get_current_active_user
+from ..utils.file_storage import file_storage
+from ..utils.logger import logger
+from pathlib import Path
+
+router = APIRouter()
+
+@router.post("/upload")
+async def upload_file(
+    file: UploadFile = File(...),
+    category: str = "documents",
+    current_user = Depends(get_current_active_user)
+) -> dict:
+    try:
+        file_path = await file_storage.save_file(file, category)
+        if not file_path:
+            raise HTTPException(status_code=400, detail="Failed to upload file")
+        
+        return {
+            "filename": file.filename,
+            "stored_path": file_path,
+            "url": file_storage.get_file_url(file_path)
+        }
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"File upload error: {str(e)}")
+        raise HTTPException(status_code=500, detail="Internal server error")
+
+@router.delete("/{file_path:path}")
+async def delete_file(
+    file_path: str,
+    current_user = Depends(get_current_active_user)
+) -> dict:
+    success = await file_storage.delete_file(file_path)
+    if not success:
+        raise HTTPException(status_code=404, detail="File not found")
+    
+    return {"status": "success", "message": "File deleted successfully"}
+
+@router.get("/{file_path:path}")
+async def get_file(
+    file_path: str,
+    current_user = Depends(get_current_active_user)
+):
+    full_path = Path("uploads") / file_path
+    if not full_path.exists():
+        raise HTTPException(status_code=404, detail="File not found")
+    
+    return FileResponse(str(full_path))

app/api/maintenance.py

@@ -0,0 +1,133 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, delete, func
+from typing import Dict, Any, List
+from datetime import datetime, timedelta
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import User, Order, Notification, Event
+from ..utils.logger import logger
+
+router = APIRouter()
+
+@router.post("/sessions/cleanup")
+async def cleanup_sessions(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, int]:
+    """Manually trigger session cleanup"""
+    if "admin" not in current_user.roles:
+        raise HTTPException(
+            status_code=403,
+            detail="Only administrators can perform maintenance operations"
+        )
+    
+    cutoff_date = datetime.utcnow() - timedelta(days=7)
+    stmt = delete(Event).where(Event.created_at < cutoff_date)
+    result = await db.execute(stmt)
+    await db.commit()
+    
+    return {"deleted_sessions": result.rowcount}
+
+@router.post("/data/archive")
+async def archive_data(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, int]:
+    """Manually trigger data archiving"""
+    if "admin" not in current_user.roles:
+        raise HTTPException(
+            status_code=403,
+            detail="Only administrators can perform maintenance operations"
+        )
+    
+    archive_date = datetime.utcnow() - timedelta(days=365)
+    archived = {}
+    
+    # Archive old orders
+    orders_stmt = delete(Order).where(
+        Order.created_at < archive_date,
+        Order.status.in_(["delivered", "cancelled"])
+    )
+    orders_result = await db.execute(orders_stmt)
+    archived["orders"] = orders_result.rowcount
+    
+    # Archive old notifications
+    notif_stmt = delete(Notification).where(
+        Notification.created_at < archive_date,
+        Notification.read == True
+    )
+    notif_result = await db.execute(notif_stmt)
+    archived["notifications"] = notif_result.rowcount
+    
+    await db.commit()
+    return archived
+
+@router.get("/health")
+async def check_health(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    """Check system health metrics"""
+    if "admin" not in current_user.roles:
+        raise HTTPException(
+            status_code=403,
+            detail="Only administrators can view system health"
+        )
+    
+    try:
+        # Check database connection
+        await db.execute(select(1))
+        
+        # Get database statistics
+        total_users = await db.scalar(select(func.count()).select_from(User))
+        total_orders = await db.scalar(select(func.count()).select_from(Order))
+        total_notifications = await db.scalar(select(func.count()).select_from(Notification))
+        
+        return {
+            "status": "healthy",
+            "timestamp": datetime.utcnow(),
+            "database": {
+                "connected": True,
+                "total_users": total_users,
+                "total_orders": total_orders,
+                "total_notifications": total_notifications
+            }
+        }
+    except Exception as e:
+        logger.error(f"Health check error: {str(e)}")
+        return {
+            "status": "unhealthy",
+            "error": str(e),
+            "timestamp": datetime.utcnow()
+        }
+
+@router.post("/database/maintenance")
+async def perform_db_maintenance(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, Any]:
+    """Manually trigger database maintenance"""
+    if "admin" not in current_user.roles:
+        raise HTTPException(
+            status_code=403,
+            detail="Only administrators can perform maintenance operations"
+        )
+    
+    try:
+        # Cleanup expired sessions
+        await cleanup_sessions(current_user, db)
+        
+        # Run VACUUM ANALYZE (requires raw SQL)
+        await db.execute("VACUUM ANALYZE;")
+        
+        return {
+            "status": "success",
+            "message": "Database maintenance completed successfully"
+        }
+    except Exception as e:
+        logger.error(f"Database maintenance error: {str(e)}")
+        raise HTTPException(
+            status_code=500,
+            detail=f"Database maintenance failed: {str(e)}"
+        )

app/api/notifications.py

@@ -0,0 +1,86 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, update
+from typing import List, Dict, Any, Optional
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Notification, User
+from ..db.schemas import NotificationCreate, NotificationInDB
+
+router = APIRouter()
+
+@router.get("/", response_model=List[NotificationInDB])
+async def get_notifications(
+    skip: int = Query(0, ge=0),
+    limit: int = Query(50, ge=1, le=100),
+    unread_only: bool = False,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[NotificationInDB]:
+    """Get user's notifications"""
+    query = select(Notification).where(Notification.user_id == current_user.id)
+    
+    if unread_only:
+        query = query.where(Notification.read == False)
+    
+    query = query.order_by(Notification.created_at.desc()).offset(skip).limit(limit)
+    result = await db.execute(query)
+    return result.scalars().all()
+
+@router.post("/mark-read/{notification_id}", response_model=NotificationInDB)
+async def mark_notification_read(
+    notification_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> NotificationInDB:
+    """Mark a notification as read"""
+    stmt = select(Notification).where(
+        Notification.id == notification_id,
+        Notification.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    notification = result.scalar_one_or_none()
+    
+    if not notification:
+        raise HTTPException(status_code=404, detail="Notification not found")
+    
+    notification.read = True
+    await db.commit()
+    await db.refresh(notification)
+    return notification
+
+@router.post("/mark-all-read")
+async def mark_all_notifications_read(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, int]:
+    """Mark all notifications as read"""
+    stmt = update(Notification).where(
+        Notification.user_id == current_user.id,
+        Notification.read == False
+    ).values(read=True)
+    
+    result = await db.execute(stmt)
+    await db.commit()
+    return {"marked_count": result.rowcount}
+
+@router.delete("/{notification_id}")
+async def delete_notification(
+    notification_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, bool]:
+    """Delete a notification"""
+    stmt = select(Notification).where(
+        Notification.id == notification_id,
+        Notification.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    notification = result.scalar_one_or_none()
+    
+    if not notification:
+        raise HTTPException(status_code=404, detail="Notification not found")
+    
+    await db.delete(notification)
+    await db.commit()
+    return {"success": True}

app/api/orders.py

@@ -0,0 +1,186 @@
+from fastapi import APIRouter, HTTPException, status, Depends, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import List, Optional
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Order, Product, OrderItem, User
+from ..db.schemas import OrderCreate, OrderInDB
+from datetime import datetime
+
+router = APIRouter()
+
+@router.post("/", response_model=OrderInDB)
+async def create_order(
+    order: OrderCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> OrderInDB:
+    # Ensure user belongs to the branch they're creating the order for
+    if current_user.branch_id != order.branch_id and not current_user.is_superuser:
+        raise HTTPException(
+            status_code=403,
+            detail="You can only create orders for your own branch"
+        )
+
+    # Calculate total and validate products
+    total = 0
+    order_items = []
+    
+    for item in order.items:
+        # Get product
+        stmt = select(Product).where(
+            Product.id == item.product_id,
+            Product.branch_id == order.branch_id  # Ensure product belongs to the same branch
+        )
+        result = await db.execute(stmt)
+        product = result.scalar_one_or_none()
+        
+        if not product:
+            raise HTTPException(
+                status_code=404, 
+                detail=f"Product {item.product_id} not found in this branch"
+            )
+        
+        if product.inventory_count < item.quantity:
+            raise HTTPException(
+                status_code=400, 
+                detail=f"Insufficient inventory for product {item.product_id}"
+            )
+        
+        # Update inventory
+        product.inventory_count -= item.quantity
+        total += product.price * item.quantity
+        
+        # Create order item
+        order_item = OrderItem(
+            product_id=item.product_id,
+            quantity=item.quantity,
+            price=product.price
+        )
+        order_items.append(order_item)
+    
+    # Create order
+    db_order = Order(
+        customer_id=order.customer_id,
+        branch_id=order.branch_id,
+        total_amount=total,
+        status="pending",
+        items=order_items
+    )
+    
+    db.add(db_order)
+    await db.commit()
+    await db.refresh(db_order)
+    return db_order
+
+@router.get("/", response_model=List[OrderInDB])
+async def list_orders(
+    skip: int = 0,
+    limit: int = 10,
+    status: Optional[str] = None,
+    branch_id: Optional[int] = Query(None, description="Filter orders by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[OrderInDB]:
+    query = select(Order)
+    
+    # Filter by status if provided
+    if status:
+        query = query.where(Order.status == status)
+    
+    # Filter by branch if provided, otherwise use user's branch
+    if branch_id:
+        if not current_user.is_superuser and branch_id != current_user.branch_id:
+            raise HTTPException(
+                status_code=403,
+                detail="You can only view orders from your own branch"
+            )
+        query = query.where(Order.branch_id == branch_id)
+    elif not current_user.is_superuser:
+        # Non-superusers can only see orders from their branch
+        query = query.where(Order.branch_id == current_user.branch_id)
+    
+    query = query.offset(skip).limit(limit)
+    result = await db.execute(query)
+    return result.scalars().all()
+
+@router.get("/{order_id}", response_model=OrderInDB)
+async def get_order(
+    order_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> OrderInDB:
+    stmt = select(Order).where(Order.id == order_id)
+    result = await db.execute(stmt)
+    order = result.scalar_one_or_none()
+    
+    if not order:
+        raise HTTPException(status_code=404, detail="Order not found")
+    
+    # Check if user has access to this order's branch
+    if not current_user.is_superuser and order.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot access orders from other branches")
+    
+    return order
+
+@router.put("/{order_id}/status", response_model=OrderInDB)
+async def update_order_status(
+    order_id: int,
+    status: str,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> OrderInDB:
+    valid_statuses = ["pending", "processing", "shipped", "delivered", "cancelled"]
+    if status not in valid_statuses:
+        raise HTTPException(status_code=400, detail="Invalid status")
+    
+    stmt = select(Order).where(Order.id == order_id)
+    result = await db.execute(stmt)
+    order = result.scalar_one_or_none()
+    
+    if not order:
+        raise HTTPException(status_code=404, detail="Order not found")
+    
+    # Check if user has access to this order's branch
+    if not current_user.is_superuser and order.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot modify orders from other branches")
+    
+    order.status = status
+    order.updated_at = datetime.utcnow()
+    
+    await db.commit()
+    await db.refresh(order)
+    return order
+
+@router.delete("/{order_id}")
+async def delete_order(
+    order_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+):
+    # Get the order
+    stmt = select(Order).where(Order.id == order_id)
+    result = await db.execute(stmt)
+    order = result.scalar_one_or_none()
+    
+    if not order:
+        raise HTTPException(status_code=404, detail="Order not found")
+    
+    # Check if user has access to this order's branch
+    if not current_user.is_superuser and order.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot delete orders from other branches")
+    
+    # Restore inventory for each product
+    for item in order.items:
+        product_stmt = select(Product).where(Product.id == item.product_id)
+        product_result = await db.execute(product_stmt)
+        product = product_result.scalar_one_or_none()
+        
+        if product:
+            product.inventory_count += item.quantity
+    
+    await db.delete(order)
+    await db.commit()
+    
+    return {"status": "success", "message": "Order deleted and inventory restored"}

app/api/products.py

@@ -0,0 +1,131 @@
+from fastapi import APIRouter, HTTPException, status, Depends, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import List, Optional
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Product, User
+from ..db.schemas import ProductCreate, ProductInDB
+
+router = APIRouter()
+
+@router.post("/", response_model=ProductInDB)
+async def create_product(
+    product: ProductCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> ProductInDB:
+    # Ensure user belongs to the branch they're creating the product for
+    if current_user.branch_id != product.branch_id and not current_user.is_superuser:
+        raise HTTPException(
+            status_code=403,
+            detail="You can only create products for your own branch"
+        )
+    
+    db_product = Product(**product.dict())
+    db.add(db_product)
+    await db.commit()
+    await db.refresh(db_product)
+    return db_product
+
+@router.get("/", response_model=List[ProductInDB])
+async def list_products(
+    skip: int = 0,
+    limit: int = 10,
+    category: Optional[str] = None,
+    branch_id: Optional[int] = Query(None, description="Filter products by branch"),
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[ProductInDB]:
+    query = select(Product)
+    
+    # Filter by category if provided
+    if category:
+        query = query.where(Product.category == category)
+    
+    # Filter by branch if provided, otherwise use user's branch
+    if branch_id:
+        if not current_user.is_superuser and branch_id != current_user.branch_id:
+            raise HTTPException(
+                status_code=403,
+                detail="You can only view products from your own branch"
+            )
+        query = query.where(Product.branch_id == branch_id)
+    elif not current_user.is_superuser:
+        # Non-superusers can only see products from their branch
+        query = query.where(Product.branch_id == current_user.branch_id)
+    
+    query = query.offset(skip).limit(limit)
+    result = await db.execute(query)
+    return result.scalars().all()
+
+@router.get("/{product_id}", response_model=ProductInDB)
+async def get_product(
+    product_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> ProductInDB:
+    stmt = select(Product).where(Product.id == product_id)
+    result = await db.execute(stmt)
+    product = result.scalar_one_or_none()
+    
+    if not product:
+        raise HTTPException(status_code=404, detail="Product not found")
+    
+    # Check if user has access to this product's branch
+    if not current_user.is_superuser and product.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot access products from other branches")
+    
+    return product
+
+@router.put("/{product_id}", response_model=ProductInDB)
+async def update_product(
+    product_id: int,
+    product_update: ProductCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> ProductInDB:
+    stmt = select(Product).where(Product.id == product_id)
+    result = await db.execute(stmt)
+    product = result.scalar_one_or_none()
+    
+    if not product:
+        raise HTTPException(status_code=404, detail="Product not found")
+    
+    # Check if user has access to this product's branch
+    if not current_user.is_superuser and product.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot modify products from other branches")
+    
+    # Ensure the branch isn't being changed to a different branch
+    if product_update.branch_id != product.branch_id:
+        raise HTTPException(status_code=400, detail="Cannot change product's branch")
+    
+    # Update product fields
+    update_data = product_update.dict(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(product, field, value)
+    
+    await db.commit()
+    await db.refresh(product)
+    return product
+
+@router.delete("/{product_id}")
+async def delete_product(
+    product_id: int,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+):
+    stmt = select(Product).where(Product.id == product_id)
+    result = await db.execute(stmt)
+    product = result.scalar_one_or_none()
+    
+    if not product:
+        raise HTTPException(status_code=404, detail="Product not found")
+    
+    # Check if user has access to this product's branch
+    if not current_user.is_superuser and product.branch_id != current_user.branch_id:
+        raise HTTPException(status_code=403, detail="You cannot delete products from other branches")
+    
+    await db.delete(product)
+    await db.commit()
+    return {"status": "success", "message": "Product deleted"}

app/api/scheduler.py

@@ -0,0 +1,203 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, delete
+from typing import List, Dict, Any, Optional
+from datetime import datetime, timedelta
+from ..core.dependencies import get_current_active_user
+from ..db.database import get_db
+from ..db.models import Event, User
+from pydantic import BaseModel
+
+router = APIRouter()
+
+class RecurringEventCreate(BaseModel):
+    title: str
+    description: str
+    start_time: datetime
+    end_time: datetime
+    recurrence_pattern: str
+    recurrence_end_date: Optional[datetime] = None
+    attendees: List[str] = []
+    reminder_minutes: int = 30
+
+class RecurringEventUpdate(BaseModel):
+    title: Optional[str] = None
+    description: Optional[str] = None
+    start_time: Optional[datetime] = None
+    end_time: Optional[datetime] = None
+    attendees: Optional[List[str]] = None
+    reminder_minutes: Optional[int] = None
+
+@router.post("/recurring-events")
+async def create_recurring_event(
+    event_data: RecurringEventCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[Dict[str, Any]]:
+    """Create a new recurring event"""
+    if event_data.recurrence_pattern not in ["daily", "weekly", "monthly", "yearly"]:
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid recurrence pattern. Must be one of: daily, weekly, monthly, yearly"
+        )
+
+    if event_data.start_time >= event_data.end_time:
+        raise HTTPException(
+            status_code=400,
+            detail="End time must be after start time"
+        )
+
+    events = []
+    current_start = event_data.start_time
+    current_end = event_data.end_time
+    duration = event_data.end_time - event_data.start_time
+    sequence_number = 0
+
+    while True:
+        if event_data.recurrence_end_date and current_start > event_data.recurrence_end_date:
+            break
+
+        event = Event(
+            user_id=current_user.id,
+            title=event_data.title,
+            description=event_data.description,
+            start_time=current_start,
+            end_time=current_end,
+            attendees=event_data.attendees,
+            reminder_minutes=event_data.reminder_minutes,
+            is_recurring=True,
+            recurrence_pattern=event_data.recurrence_pattern,
+            sequence_number=sequence_number,
+            status="scheduled"
+        )
+        db.add(event)
+        events.append(event)
+
+        # Calculate next occurrence
+        sequence_number += 1
+        if event_data.recurrence_pattern == "daily":
+            current_start += timedelta(days=1)
+        elif event_data.recurrence_pattern == "weekly":
+            current_start += timedelta(weeks=1)
+        elif event_data.recurrence_pattern == "monthly":
+            # Add one month (approximately)
+            if current_start.month == 12:
+                current_start = current_start.replace(year=current_start.year + 1, month=1)
+            else:
+                current_start = current_start.replace(month=current_start.month + 1)
+        elif event_data.recurrence_pattern == "yearly":
+            current_start = current_start.replace(year=current_start.year + 1)
+
+        current_end = current_start + duration
+
+    await db.commit()
+    
+    # Refresh all events to get their IDs
+    for event in events:
+        await db.refresh(event)
+
+    return events
+
+@router.put("/recurring-events/{event_id}")
+async def update_recurring_event(
+    event_id: int,
+    event_update: RecurringEventUpdate,
+    update_future: bool = True,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[Dict[str, Any]]:
+    """Update a recurring event and optionally its future occurrences"""
+    update_data = event_update.dict(exclude_unset=True)
+    if not update_data:
+        raise HTTPException(status_code=400, detail="No update data provided")
+
+    # Get the original event
+    stmt = select(Event).where(
+        Event.id == event_id,
+        Event.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    event = result.scalar_one_or_none()
+
+    if not event:
+        raise HTTPException(
+            status_code=404,
+            detail="Event not found or you don't have permission to update it"
+        )
+
+    updated_events = [event]
+
+    # Update future occurrences if requested
+    if update_future and event.is_recurring:
+        future_stmt = select(Event).where(
+            Event.recurrence_group == event.recurrence_group,
+            Event.sequence_number > event.sequence_number,
+            Event.user_id == current_user.id
+        )
+        future_result = await db.execute(future_stmt)
+        future_events = future_result.scalars().all()
+        
+        for future_event in future_events:
+            for field, value in update_data.items():
+                setattr(future_event, field, value)
+            updated_events.append(future_event)
+
+    await db.commit()
+    return updated_events
+
+@router.delete("/recurring-events/{event_id}")
+async def delete_recurring_event(
+    event_id: int,
+    delete_future: bool = True,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> Dict[str, bool]:
+    """Delete a recurring event and optionally its future occurrences"""
+    stmt = select(Event).where(
+        Event.id == event_id,
+        Event.user_id == current_user.id
+    )
+    result = await db.execute(stmt)
+    event = result.scalar_one_or_none()
+
+    if not event:
+        raise HTTPException(
+            status_code=404,
+            detail="Event not found or you don't have permission to delete it"
+        )
+
+    if delete_future and event.is_recurring:
+        delete_stmt = delete(Event).where(
+            Event.recurrence_group == event.recurrence_group,
+            Event.sequence_number >= event.sequence_number,
+            Event.user_id == current_user.id
+        )
+        await db.execute(delete_stmt)
+    else:
+        await db.delete(event)
+
+    await db.commit()
+    return {"success": True}
+
+@router.get("/recurring-events/upcoming")
+async def get_upcoming_recurring_events(
+    days: int = 30,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+) -> List[Dict[str, Any]]:
+    """Get upcoming recurring events for the next N days"""
+    if days <= 0 or days > 365:
+        raise HTTPException(
+            status_code=400,
+            detail="Days parameter must be between 1 and 365"
+        )
+
+    end_date = datetime.utcnow() + timedelta(days=days)
+    stmt = select(Event).where(
+        Event.user_id == current_user.id,
+        Event.start_time <= end_date,
+        Event.is_recurring == True
+    ).order_by(Event.start_time)
+    
+    result = await db.execute(stmt)
+    return result.scalars().all()

app/api/users.py

@@ -0,0 +1,127 @@
+from fastapi import APIRouter, HTTPException, status, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import List, Optional
+from ..db.database import get_db
+from ..db.models import User
+from ..db.schemas import UserCreate, UserInDB
+from ..core.dependencies import get_current_superuser, get_current_active_user
+from ..core.security import get_password_hash
+
+router = APIRouter()
+
+@router.get("/me", response_model=UserInDB)
+async def read_user_me(current_user: User = Depends(get_current_active_user)):
+    return current_user
+
+@router.get("/", response_model=List[UserInDB])
+async def list_users(
+    skip: int = 0,
+    limit: int = 10,
+    current_user: User = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> List[UserInDB]:
+    stmt = select(User).offset(skip).limit(limit)
+    result = await db.execute(stmt)
+    return result.scalars().all()
+
+@router.post("/", response_model=UserInDB)
+async def create_user(
+    user: UserCreate,
+    current_user: User = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> UserInDB:
+    # Check if email exists
+    stmt = select(User).where(User.email == user.email)
+    result = await db.execute(stmt)
+    if result.scalar_one_or_none():
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Email already registered"
+        )
+    
+    # Create new user
+    db_user = User(
+        email=user.email,
+        username=user.username,
+        full_name=user.full_name,
+        hashed_password=get_password_hash(user.password),
+        is_active=user.is_active,
+        is_superuser=user.is_superuser,
+        roles=user.roles
+    )
+    
+    db.add(db_user)
+    await db.commit()
+    await db.refresh(db_user)
+    return db_user
+
+@router.put("/{user_id}", response_model=UserInDB)
+async def update_user(
+    user_id: int,
+    user_update: UserCreate,
+    current_user: User = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> UserInDB:
+    stmt = select(User).where(User.id == user_id)
+    result = await db.execute(stmt)
+    db_user = result.scalar_one_or_none()
+    
+    if not db_user:
+        raise HTTPException(status_code=404, detail="User not found")
+    
+    # Update user fields
+    update_data = user_update.dict(exclude_unset=True)
+    if "password" in update_data:
+        update_data["hashed_password"] = get_password_hash(update_data.pop("password"))
+    
+    for field, value in update_data.items():
+        setattr(db_user, field, value)
+    
+    await db.commit()
+    await db.refresh(db_user)
+    return db_user
+
+@router.delete("/{user_id}")
+async def delete_user(
+    user_id: int,
+    current_user: User = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+):
+    stmt = select(User).where(User.id == user_id)
+    result = await db.execute(stmt)
+    user = result.scalar_one_or_none()
+    
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+    
+    await db.delete(user)
+    await db.commit()
+    return {"status": "success", "message": "User deleted"}
+
+@router.put("/{user_id}/roles", response_model=UserInDB)
+async def update_user_roles(
+    user_id: int,
+    roles: List[str],
+    current_user: User = Depends(get_current_superuser),
+    db: AsyncSession = Depends(get_db)
+) -> UserInDB:
+    valid_roles = ["user", "admin", "manager", "support"]
+    invalid_roles = [role for role in roles if role not in valid_roles]
+    if invalid_roles:
+        raise HTTPException(
+            status_code=400,
+            detail=f"Invalid roles: {', '.join(invalid_roles)}"
+        )
+    
+    stmt = select(User).where(User.id == user_id)
+    result = await db.execute(stmt)
+    user = result.scalar_one_or_none()
+    
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+    
+    user.roles = roles
+    await db.commit()
+    await db.refresh(user)
+    return user

app/core/config.py

@@ -0,0 +1,36 @@
+from pydantic_settings import BaseSettings
+from typing import ClassVar
+
+
+class Settings(BaseSettings):
+    API_V1_STR: str = "/api/v1"
+    PROJECT_NAME: str = "Admin Dashboard"
+    VERSION: str = "1.0.0"
+
+    # PostgreSQL Database settings
+    DATABASE_URL: ClassVar[str] = "postgresql+asyncpg://postgres.juycnkjuzylnbruwaqmp:Lovyelias5584.@aws-0-eu-central-1.pooler.supabase.com:5432/postgres"
+
+    # JWT Settings
+    SECRET_KEY: str = "your-secret-key-here"
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+
+    # Redis settings
+    REDIS_HOST: str = "localhost"
+    REDIS_PORT: int = 6379
+
+    # Email settings
+    MAIL_USERNAME: str = "yungdml31@gmail.com"
+    MAIL_PASSWORD: str = ""
+    MAIL_FROM: str = "admin@angelo.com"
+    MAIL_PORT: int = 587
+    MAIL_SERVER: str = "smtp.gmail.com"
+
+    # Frontend URL
+    FRONTEND_URL: str = "http://localhost:3000"
+
+    class Config:
+        case_sensitive = True
+
+
+settings = Settings()

app/core/dependencies.py

@@ -0,0 +1,52 @@
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from jose import JWTError, jwt
+from ..db.database import get_db
+from ..db.models import User
+from ..core.config import settings
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")
+
+async def get_current_user(
+    token: str = Depends(oauth2_scheme),
+    db: AsyncSession = Depends(get_db)
+):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        user_id: str = payload.get("sub")
+        if user_id is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+    
+    stmt = select(User).where(User.id == int(user_id))
+    result = await db.execute(stmt)
+    user = result.scalar_one_or_none()
+    
+    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
+
+async def get_current_superuser(
+    current_user: User = Depends(get_current_user)
+):
+    if not current_user.is_superuser:
+        raise HTTPException(
+            status_code=403, detail="The user doesn't have enough privileges"
+        )
+    return current_user

app/core/security.py

@@ -0,0 +1,23 @@
+from datetime import datetime, timedelta
+from typing import Any, Optional
+from jose import jwt
+from passlib.context import CryptContext
+from .config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+def create_access_token(subject: Any, expires_delta: Optional[timedelta] = None) -> str:
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    
+    to_encode = {"exp": expire, "sub": str(subject)}
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return encoded_jwt
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password: str) -> str:
+    return pwd_context.hash(password)

app/db/database.py

@@ -0,0 +1,55 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from sqlalchemy.orm import declarative_base
+from ..core.config import settings
+import contextlib
+
+# Create async engine for FastAPI
+async_engine = create_async_engine(
+    settings.DATABASE_URL,
+    echo=True,
+    future=True,
+    pool_pre_ping=True
+)
+
+# Create async session factory
+AsyncSessionLocal = async_sessionmaker(
+    bind=async_engine,
+    class_=AsyncSession,
+    expire_on_commit=False
+)
+
+# Create declarative base for models
+Base = declarative_base()
+
+# Database dependency for FastAPI routes
+async def get_db():
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+        finally:
+            await session.close()
+
+# Database access for background tasks and services
+class Database:
+    def __init__(self):
+        self._session_factory = AsyncSessionLocal
+
+    @contextlib.asynccontextmanager
+    async def session(self):
+        """Get a database session with automatic commit/rollback"""
+        session = self._session_factory()
+        try:
+            yield session
+            await session.commit()
+        except:
+            await session.rollback()
+            raise
+        finally:
+            await session.close()
+
+    async def get_session(self):
+        """Get a session for manual management"""
+        return self._session_factory()
+
+# Create singleton instance for database access
+db = Database()

app/db/init_db.py

@@ -0,0 +1,77 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from ..core.config import settings
+from ..core.security import get_password_hash
+from datetime import datetime
+from .models import Base, User, Product
+import asyncio
+
+def init_db():
+    # Create synchronous engine for initialization
+    engine = create_engine(
+        settings.DATABASE_URL.replace("+asyncpg", ""),
+        echo=True
+    )
+    
+    # Create all tables
+    Base.metadata.create_all(bind=engine)
+    
+    # Create session
+    SessionLocal = sessionmaker(bind=engine)
+    session = SessionLocal()
+    
+    try:
+        # Create default admin user if not exists
+        admin_user = session.query(User).filter_by(email="admin@example.com").first()
+        if not admin_user:
+            admin_user = User(
+                email="admin@example.com",
+                username="admin",
+                full_name="System Administrator",
+                hashed_password=get_password_hash("admin123"),  # Change in production
+                is_active=True,
+                is_superuser=True,
+                roles=["admin"],
+                created_at=datetime.utcnow()
+            )
+            session.add(admin_user)
+            print("Created default admin user.")
+        
+        # Create default product categories as products
+        categories = [
+            "Soups & Stews", 
+            "Rice Dishes", 
+            "Swallow & Fufu", 
+            "Snacks & Small Chops", 
+            "Protein & Meat", 
+            "Drinks"
+        ]
+        
+        for category in categories:
+            exists = session.query(Product).filter_by(name=category).first()
+            if not exists:
+                product = Product(
+                    name=category,
+                    description=f"Category: {category}",
+                    price=0.0,  # Category products have zero price
+                    category=category,
+                    inventory_count=0,  # Categories don't have inventory
+                    seller_id=admin_user.id if admin_user else 1,  # Link to admin user
+                    created_at=datetime.utcnow()
+                )
+                session.add(product)
+        
+        print("Initialized product categories.")
+        
+        # Commit changes
+        session.commit()
+        
+    except Exception as e:
+        print(f"Error during initialization: {e}")
+        session.rollback()
+        raise
+    finally:
+        session.close()
+
+if __name__ == "__main__":
+    init_db()