From 7446415eec23e477b7ab8106f3e67757e1a5444e Mon Sep 17 00:00:00 2001 From: Automated Action Date: Fri, 27 Jun 2025 16:41:30 +0000 Subject: [PATCH] Update code via agent code generation --- alembic.ini | 41 ++++++ alembic/env.py | 55 ++++++++ alembic/script.py.mako | 24 ++++ alembic/versions/001_initial_migration.py | 63 +++++++++ app/__init__.py | 0 app/api/__init__.py | 0 app/api/auth.py | 53 +++++++ app/api/schemas.py | 76 ++++++++++ app/api/tasks.py | 165 ++++++++++++++++++++++ app/core/__init__.py | 0 app/core/auth.py | 31 ++++ app/core/config.py | 23 +++ app/core/security.py | 46 ++++++ app/db/__init__.py | 0 app/db/base.py | 3 + app/db/session.py | 22 +++ app/models/__init__.py | 0 app/models/task.py | 40 ++++++ app/models/user.py | 20 +++ app/services/__init__.py | 0 app/services/ai_service.py | 133 +++++++++++++++++ app/services/scheduler_service.py | 129 +++++++++++++++++ app/services/whatsapp_service.py | 64 +++++++++ requirements.txt | 15 ++ 24 files changed, 1003 insertions(+) create mode 100644 alembic.ini create mode 100644 alembic/env.py create mode 100644 alembic/script.py.mako create mode 100644 alembic/versions/001_initial_migration.py create mode 100644 app/__init__.py create mode 100644 app/api/__init__.py create mode 100644 app/api/auth.py create mode 100644 app/api/schemas.py create mode 100644 app/api/tasks.py create mode 100644 app/core/__init__.py create mode 100644 app/core/auth.py create mode 100644 app/core/config.py create mode 100644 app/core/security.py create mode 100644 app/db/__init__.py create mode 100644 app/db/base.py create mode 100644 app/db/session.py create mode 100644 app/models/__init__.py create mode 100644 app/models/task.py create mode 100644 app/models/user.py create mode 100644 app/services/__init__.py create mode 100644 app/services/ai_service.py create mode 100644 app/services/scheduler_service.py create mode 100644 app/services/whatsapp_service.py create mode 100644 requirements.txt diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..017f263 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,41 @@ +[alembic] +script_location = alembic +prepend_sys_path = . +version_path_separator = os +sqlalchemy.url = sqlite:////app/storage/db/db.sqlite + +[post_write_hooks] + +[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 \ No newline at end of file diff --git a/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..ad1be24 --- /dev/null +++ b/alembic/env.py @@ -0,0 +1,55 @@ +import os +import sys +from logging.config import fileConfig + +from sqlalchemy import engine_from_config +from sqlalchemy import pool + +from alembic import context + +sys.path = ['', '..'] + sys.path[1:] + +from app.db.base import Base +from app.models.user import User +from app.models.task import Task + +config = context.config + +if config.config_file_name is not None: + fileConfig(config.config_file_name) + +target_metadata = Base.metadata + +def run_migrations_offline() -> None: + url = config.get_main_option("sqlalchemy.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: + connectable = engine_from_config( + config.get_section(config.config_ini_section), + 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() \ No newline at end of file diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..37d0cac --- /dev/null +++ b/alembic/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + + +def upgrade() -> None: + ${upgrades if upgrades else "pass"} + + +def downgrade() -> None: + ${downgrades if downgrades else "pass"} \ No newline at end of file diff --git a/alembic/versions/001_initial_migration.py b/alembic/versions/001_initial_migration.py new file mode 100644 index 0000000..dcd4d66 --- /dev/null +++ b/alembic/versions/001_initial_migration.py @@ -0,0 +1,63 @@ +"""Initial migration + +Revision ID: 001 +Revises: +Create Date: 2024-01-01 00:00:00.000000 + +""" +from alembic import op +import sqlalchemy as sa + +# revision identifiers, used by Alembic. +revision = '001' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('users', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('email', sa.String(), nullable=False), + sa.Column('hashed_password', sa.String(), nullable=False), + sa.Column('full_name', sa.String(), nullable=True), + sa.Column('phone_number', sa.String(), nullable=True), + sa.Column('whatsapp_number', sa.String(), nullable=True), + sa.Column('is_active', sa.Boolean(), nullable=True), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True) + op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False) + op.create_table('tasks', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('title', sa.String(), nullable=False), + sa.Column('description', sa.Text(), nullable=True), + sa.Column('status', sa.Enum('PENDING', 'IN_PROGRESS', 'COMPLETED', 'CANCELLED', name='taskstatus'), nullable=True), + sa.Column('priority', sa.Enum('LOW', 'MEDIUM', 'HIGH', 'URGENT', name='taskpriority'), nullable=True), + sa.Column('due_date', sa.DateTime(timezone=True), nullable=True), + sa.Column('scheduled_at', sa.DateTime(timezone=True), nullable=True), + sa.Column('ai_suggested_time', sa.DateTime(timezone=True), nullable=True), + sa.Column('whatsapp_reminder_sent', sa.Boolean(), nullable=True), + sa.Column('whatsapp_completion_sent', sa.Boolean(), nullable=True), + sa.Column('owner_id', sa.Integer(), nullable=False), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.Column('completed_at', sa.DateTime(timezone=True), nullable=True), + sa.ForeignKeyConstraint(['owner_id'], ['users.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_tasks_id'), 'tasks', ['id'], unique=False) + # ### end Alembic commands ### + + +def downgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + op.drop_index(op.f('ix_tasks_id'), table_name='tasks') + op.drop_table('tasks') + op.drop_index(op.f('ix_users_id'), table_name='users') + op.drop_index(op.f('ix_users_email'), table_name='users') + op.drop_table('users') + # ### end Alembic commands ### \ No newline at end of file diff --git a/app/__init__.py b/app/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/__init__.py b/app/api/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/auth.py b/app/api/auth.py new file mode 100644 index 0000000..535ed40 --- /dev/null +++ b/app/api/auth.py @@ -0,0 +1,53 @@ +from datetime import timedelta +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session +from app.db.session import get_db +from app.models.user import User +from app.api.schemas import UserCreate, UserResponse, UserLogin, Token +from app.core.security import verify_password, get_password_hash, create_access_token +from app.core.config import settings + +router = APIRouter() + + +@router.post("/register", response_model=UserResponse) +def register_user(user: UserCreate, db: Session = Depends(get_db)): + db_user = db.query(User).filter(User.email == user.email).first() + if db_user: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Email already registered" + ) + + hashed_password = get_password_hash(user.password) + db_user = User( + email=user.email, + hashed_password=hashed_password, + full_name=user.full_name, + phone_number=user.phone_number, + whatsapp_number=user.whatsapp_number + ) + db.add(db_user) + db.commit() + db.refresh(db_user) + + return db_user + + +@router.post("/login", response_model=Token) +def login_user(user_credentials: UserLogin, db: Session = Depends(get_db)): + user = db.query(User).filter(User.email == user_credentials.email).first() + + if not user or not verify_password(user_credentials.password, user.hashed_password): + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Incorrect email or password", + headers={"WWW-Authenticate": "Bearer"}, + ) + + access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES) + access_token = create_access_token( + data={"sub": user.email}, expires_delta=access_token_expires + ) + + return {"access_token": access_token, "token_type": "bearer"} \ No newline at end of file diff --git a/app/api/schemas.py b/app/api/schemas.py new file mode 100644 index 0000000..a18dd93 --- /dev/null +++ b/app/api/schemas.py @@ -0,0 +1,76 @@ +from datetime import datetime +from typing import Optional +from pydantic import BaseModel, EmailStr +from app.models.task import TaskStatus, TaskPriority + + +class UserBase(BaseModel): + email: EmailStr + full_name: Optional[str] = None + phone_number: Optional[str] = None + whatsapp_number: Optional[str] = None + + +class UserCreate(UserBase): + password: str + + +class UserResponse(UserBase): + id: int + is_active: bool + created_at: datetime + + class Config: + from_attributes = True + + +class UserLogin(BaseModel): + email: EmailStr + password: str + + +class Token(BaseModel): + access_token: str + token_type: str + + +class TaskBase(BaseModel): + title: str + description: Optional[str] = None + priority: TaskPriority = TaskPriority.MEDIUM + due_date: Optional[datetime] = None + scheduled_at: Optional[datetime] = None + + +class TaskCreate(TaskBase): + pass + + +class TaskUpdate(BaseModel): + title: Optional[str] = None + description: Optional[str] = None + priority: Optional[TaskPriority] = None + status: Optional[TaskStatus] = None + due_date: Optional[datetime] = None + scheduled_at: Optional[datetime] = None + + +class TaskResponse(TaskBase): + id: int + status: TaskStatus + ai_suggested_time: Optional[datetime] = None + whatsapp_reminder_sent: bool + whatsapp_completion_sent: bool + owner_id: int + created_at: datetime + updated_at: Optional[datetime] = None + completed_at: Optional[datetime] = None + + class Config: + from_attributes = True + + +class HealthResponse(BaseModel): + status: str + timestamp: datetime + version: str \ No newline at end of file diff --git a/app/api/tasks.py b/app/api/tasks.py new file mode 100644 index 0000000..4340d73 --- /dev/null +++ b/app/api/tasks.py @@ -0,0 +1,165 @@ +from typing import List +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session +from datetime import datetime +from app.db.session import get_db +from app.models.user import User +from app.models.task import Task, TaskStatus +from app.api.schemas import TaskCreate, TaskUpdate, TaskResponse +from app.core.auth import get_current_user +from app.services.ai_service import suggest_optimal_time +from app.services.whatsapp_service import send_task_reminder + +router = APIRouter() + + +@router.post("/", response_model=TaskResponse) +def create_task( + task: TaskCreate, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + ai_suggested_time = None + if task.due_date and not task.scheduled_at: + ai_suggested_time = suggest_optimal_time(task.due_date, task.priority) + + db_task = Task( + title=task.title, + description=task.description, + priority=task.priority, + due_date=task.due_date, + scheduled_at=task.scheduled_at, + ai_suggested_time=ai_suggested_time, + owner_id=current_user.id + ) + db.add(db_task) + db.commit() + db.refresh(db_task) + + return db_task + + +@router.get("/", response_model=List[TaskResponse]) +def get_tasks( + skip: int = 0, + limit: int = 100, + status: TaskStatus = None, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + query = db.query(Task).filter(Task.owner_id == current_user.id) + if status: + query = query.filter(Task.status == status) + + tasks = query.offset(skip).limit(limit).all() + return tasks + + +@router.get("/{task_id}", response_model=TaskResponse) +def get_task( + task_id: int, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + task = db.query(Task).filter( + Task.id == task_id, + Task.owner_id == current_user.id + ).first() + + if not task: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Task not found" + ) + + return task + + +@router.put("/{task_id}", response_model=TaskResponse) +def update_task( + task_id: int, + task_update: TaskUpdate, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + task = db.query(Task).filter( + Task.id == task_id, + Task.owner_id == current_user.id + ).first() + + if not task: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Task not found" + ) + + update_data = task_update.dict(exclude_unset=True) + + if task_update.status == TaskStatus.COMPLETED and task.status != TaskStatus.COMPLETED: + update_data["completed_at"] = datetime.utcnow() + + for field, value in update_data.items(): + setattr(task, field, value) + + db.commit() + db.refresh(task) + + return task + + +@router.delete("/{task_id}") +def delete_task( + task_id: int, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + task = db.query(Task).filter( + Task.id == task_id, + Task.owner_id == current_user.id + ).first() + + if not task: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Task not found" + ) + + db.delete(task) + db.commit() + + return {"message": "Task deleted successfully"} + + +@router.post("/{task_id}/send-reminder") +def send_reminder( + task_id: int, + current_user: User = Depends(get_current_user), + db: Session = Depends(get_db) +): + task = db.query(Task).filter( + Task.id == task_id, + Task.owner_id == current_user.id + ).first() + + if not task: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Task not found" + ) + + if not current_user.whatsapp_number: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="WhatsApp number not configured" + ) + + success = send_task_reminder(current_user.whatsapp_number, task) + if success: + task.whatsapp_reminder_sent = True + db.commit() + return {"message": "Reminder sent successfully"} + else: + raise HTTPException( + status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, + detail="Failed to send reminder" + ) \ No newline at end of file diff --git a/app/core/__init__.py b/app/core/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/core/auth.py b/app/core/auth.py new file mode 100644 index 0000000..ef8f834 --- /dev/null +++ b/app/core/auth.py @@ -0,0 +1,31 @@ +from fastapi import Depends, HTTPException, status +from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials +from sqlalchemy.orm import Session +from app.db.session import get_db +from app.models.user import User +from app.core.security import verify_token + +security = HTTPBearer() + + +def get_current_user( + credentials: HTTPAuthorizationCredentials = Depends(security), + db: Session = Depends(get_db) +) -> User: + payload = verify_token(credentials.credentials) + email = payload.get("sub") + + user = db.query(User).filter(User.email == email).first() + if user is None: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="User not found" + ) + + if not user.is_active: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Inactive user" + ) + + return user \ No newline at end of file diff --git a/app/core/config.py b/app/core/config.py new file mode 100644 index 0000000..b159f49 --- /dev/null +++ b/app/core/config.py @@ -0,0 +1,23 @@ +import os +from pydantic import BaseSettings + + +class Settings(BaseSettings): + SECRET_KEY: str = os.getenv("SECRET_KEY", "your-secret-key-here") + ALGORITHM: str = "HS256" + ACCESS_TOKEN_EXPIRE_MINUTES: int = 30 + + TWILIO_ACCOUNT_SID: str = os.getenv("TWILIO_ACCOUNT_SID", "") + TWILIO_AUTH_TOKEN: str = os.getenv("TWILIO_AUTH_TOKEN", "") + TWILIO_WHATSAPP_FROM: str = os.getenv("TWILIO_WHATSAPP_FROM", "") + + OPENAI_API_KEY: str = os.getenv("OPENAI_API_KEY", "") + + PROJECT_NAME: str = "WhatsApp AI Task Scheduling Service" + PROJECT_VERSION: str = "1.0.0" + + class Config: + env_file = ".env" + + +settings = Settings() \ No newline at end of file diff --git a/app/core/security.py b/app/core/security.py new file mode 100644 index 0000000..7a9aea6 --- /dev/null +++ b/app/core/security.py @@ -0,0 +1,46 @@ +from datetime import datetime, timedelta +from typing import Optional +from jose import JWTError, jwt +from passlib.context import CryptContext +from fastapi import HTTPException, status +from app.core.config import settings + +pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") + + +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) + + +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=settings.ACCESS_TOKEN_EXPIRE_MINUTES) + to_encode.update({"exp": expire}) + encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM) + return encoded_jwt + + +def verify_token(token: str) -> dict: + try: + payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]) + email: str = payload.get("sub") + if email is None: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Could not validate credentials", + headers={"WWW-Authenticate": "Bearer"}, + ) + return payload + except JWTError: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Could not validate credentials", + headers={"WWW-Authenticate": "Bearer"}, + ) \ No newline at end of file diff --git a/app/db/__init__.py b/app/db/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/db/base.py b/app/db/base.py new file mode 100644 index 0000000..7c2377a --- /dev/null +++ b/app/db/base.py @@ -0,0 +1,3 @@ +from sqlalchemy.ext.declarative import declarative_base + +Base = declarative_base() \ No newline at end of file diff --git a/app/db/session.py b/app/db/session.py new file mode 100644 index 0000000..684d6e7 --- /dev/null +++ b/app/db/session.py @@ -0,0 +1,22 @@ +from pathlib import Path +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +DB_DIR = Path("/app") / "storage" / "db" +DB_DIR.mkdir(parents=True, exist_ok=True) + +SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite" + +engine = create_engine( + SQLALCHEMY_DATABASE_URL, + connect_args={"check_same_thread": False} +) + +SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) + +def get_db(): + db = SessionLocal() + try: + yield db + finally: + db.close() \ No newline at end of file diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/models/task.py b/app/models/task.py new file mode 100644 index 0000000..75a6805 --- /dev/null +++ b/app/models/task.py @@ -0,0 +1,40 @@ +from sqlalchemy import Column, Integer, String, DateTime, Boolean, Text, ForeignKey, Enum +from sqlalchemy.sql import func +from sqlalchemy.orm import relationship +from app.db.base import Base +import enum + + +class TaskStatus(str, enum.Enum): + PENDING = "pending" + IN_PROGRESS = "in_progress" + COMPLETED = "completed" + CANCELLED = "cancelled" + + +class TaskPriority(str, enum.Enum): + LOW = "low" + MEDIUM = "medium" + HIGH = "high" + URGENT = "urgent" + + +class Task(Base): + __tablename__ = "tasks" + + id = Column(Integer, primary_key=True, index=True) + title = Column(String, nullable=False) + description = Column(Text, nullable=True) + status = Column(Enum(TaskStatus), default=TaskStatus.PENDING) + priority = Column(Enum(TaskPriority), default=TaskPriority.MEDIUM) + due_date = Column(DateTime(timezone=True), nullable=True) + scheduled_at = Column(DateTime(timezone=True), nullable=True) + ai_suggested_time = Column(DateTime(timezone=True), nullable=True) + whatsapp_reminder_sent = Column(Boolean, default=False) + whatsapp_completion_sent = Column(Boolean, default=False) + owner_id = Column(Integer, ForeignKey("users.id"), nullable=False) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) + completed_at = Column(DateTime(timezone=True), nullable=True) + + owner = relationship("User", back_populates="tasks") \ No newline at end of file diff --git a/app/models/user.py b/app/models/user.py new file mode 100644 index 0000000..9749be2 --- /dev/null +++ b/app/models/user.py @@ -0,0 +1,20 @@ +from sqlalchemy import Column, Integer, String, DateTime, Boolean +from sqlalchemy.sql import func +from sqlalchemy.orm import relationship +from app.db.base import Base + + +class User(Base): + __tablename__ = "users" + + id = Column(Integer, primary_key=True, index=True) + email = Column(String, unique=True, index=True, nullable=False) + hashed_password = Column(String, nullable=False) + full_name = Column(String, nullable=True) + phone_number = Column(String, nullable=True) + whatsapp_number = Column(String, nullable=True) + is_active = Column(Boolean, default=True) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) + + tasks = relationship("Task", back_populates="owner") \ No newline at end of file diff --git a/app/services/__init__.py b/app/services/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/services/ai_service.py b/app/services/ai_service.py new file mode 100644 index 0000000..786f789 --- /dev/null +++ b/app/services/ai_service.py @@ -0,0 +1,133 @@ +import logging +from datetime import datetime, timedelta +from typing import Optional, List +import openai +from app.core.config import settings +from app.models.task import TaskPriority + +logger = logging.getLogger(__name__) + + +class AIService: + def __init__(self): + if settings.OPENAI_API_KEY: + openai.api_key = settings.OPENAI_API_KEY + self.client = openai.OpenAI(api_key=settings.OPENAI_API_KEY) + else: + self.client = None + logger.warning("OpenAI API key not configured. AI functionality disabled.") + + def suggest_optimal_time(self, due_date: datetime, priority: TaskPriority) -> Optional[datetime]: + if not self.client: + return self._fallback_scheduling(due_date, priority) + + try: + current_time = datetime.utcnow() + time_until_due = due_date - current_time + + if time_until_due.total_seconds() <= 0: + return current_time + timedelta(hours=1) + + prompt = f""" + Based on task management best practices, suggest an optimal time to work on a task with the following details: + + Current time: {current_time.strftime('%Y-%m-%d %H:%M:%S')} + Due date: {due_date.strftime('%Y-%m-%d %H:%M:%S')} + Priority: {priority.value} + Time available: {time_until_due.days} days, {time_until_due.seconds // 3600} hours + + Consider: + - Task priority (urgent tasks should be scheduled sooner) + - Optimal work hours (9 AM - 5 PM on weekdays) + - Buffer time before due date + - Work-life balance + + Respond with only the suggested datetime in format: YYYY-MM-DD HH:MM:SS + """ + + response = self.client.chat.completions.create( + model="gpt-3.5-turbo", + messages=[ + {"role": "system", "content": "You are a task scheduling AI assistant."}, + {"role": "user", "content": prompt} + ], + max_tokens=50, + temperature=0.3 + ) + + suggested_time_str = response.choices[0].message.content.strip() + suggested_time = datetime.strptime(suggested_time_str, '%Y-%m-%d %H:%M:%S') + + if suggested_time < current_time: + suggested_time = current_time + timedelta(hours=1) + elif suggested_time > due_date: + suggested_time = due_date - timedelta(hours=2) + + return suggested_time + + except Exception as e: + logger.error(f"AI scheduling failed: {str(e)}") + return self._fallback_scheduling(due_date, priority) + + def _fallback_scheduling(self, due_date: datetime, priority: TaskPriority) -> datetime: + current_time = datetime.utcnow() + time_until_due = due_date - current_time + + if priority == TaskPriority.URGENT: + return current_time + timedelta(hours=1) + elif priority == TaskPriority.HIGH: + return current_time + timedelta(hours=min(6, time_until_due.total_seconds() // 3600 // 4)) + elif priority == TaskPriority.MEDIUM: + return current_time + timedelta(hours=min(24, time_until_due.total_seconds() // 3600 // 2)) + else: # LOW priority + return current_time + timedelta(hours=min(48, time_until_due.total_seconds() // 3600 * 0.75)) + + def generate_task_insights(self, tasks: List) -> str: + if not self.client: + return "AI insights not available. Please configure OpenAI API key." + + try: + task_summary = [] + for task in tasks: + task_summary.append(f"- {task.title} (Priority: {task.priority.value}, Status: {task.status.value})") + + prompt = f""" + Analyze the following task list and provide productivity insights: + + {chr(10).join(task_summary)} + + Provide insights on: + 1. Task distribution by priority + 2. Potential bottlenecks + 3. Productivity recommendations + 4. Time management suggestions + + Keep the response concise and actionable (max 200 words). + """ + + response = self.client.chat.completions.create( + model="gpt-3.5-turbo", + messages=[ + {"role": "system", "content": "You are a productivity analysis AI assistant."}, + {"role": "user", "content": prompt} + ], + max_tokens=250, + temperature=0.7 + ) + + return response.choices[0].message.content.strip() + + except Exception as e: + logger.error(f"AI insights generation failed: {str(e)}") + return "Unable to generate insights at this time." + + +ai_service = AIService() + + +def suggest_optimal_time(due_date: datetime, priority: TaskPriority) -> Optional[datetime]: + return ai_service.suggest_optimal_time(due_date, priority) + + +def generate_task_insights(tasks: List) -> str: + return ai_service.generate_task_insights(tasks) \ No newline at end of file diff --git a/app/services/scheduler_service.py b/app/services/scheduler_service.py new file mode 100644 index 0000000..71b4e5e --- /dev/null +++ b/app/services/scheduler_service.py @@ -0,0 +1,129 @@ +import logging +from datetime import datetime, timedelta +from apscheduler.schedulers.background import BackgroundScheduler +from apscheduler.triggers.cron import CronTrigger +from sqlalchemy.orm import Session +from app.db.session import SessionLocal +from app.models.task import Task, TaskStatus +from app.models.user import User +from app.services.whatsapp_service import send_task_reminder, send_task_overdue + +logger = logging.getLogger(__name__) + + +class SchedulerService: + def __init__(self): + self.scheduler = BackgroundScheduler() + self.scheduler.start() + self._setup_jobs() + + def _setup_jobs(self): + self.scheduler.add_job( + func=self.send_reminders, + trigger=CronTrigger(hour=9, minute=0), # Daily at 9 AM + id='daily_reminders', + name='Send daily task reminders', + replace_existing=True + ) + + self.scheduler.add_job( + func=self.check_overdue_tasks, + trigger=CronTrigger(hour=18, minute=0), # Daily at 6 PM + id='overdue_check', + name='Check for overdue tasks', + replace_existing=True + ) + + def send_reminders(self): + logger.info("Starting daily reminder job") + db: Session = SessionLocal() + + try: + # Get tasks scheduled for today that haven't been reminded + today = datetime.utcnow().date() + tomorrow = today + timedelta(days=1) + + tasks = db.query(Task).join(User).filter( + Task.status.in_([TaskStatus.PENDING, TaskStatus.IN_PROGRESS]), + Task.scheduled_at >= datetime.combine(today, datetime.min.time()), + Task.scheduled_at < datetime.combine(tomorrow, datetime.min.time()), + Task.whatsapp_reminder_sent == False, + User.whatsapp_number.isnot(None) + ).all() + + sent_count = 0 + for task in tasks: + if send_task_reminder(task.owner.whatsapp_number, task): + task.whatsapp_reminder_sent = True + sent_count += 1 + + db.commit() + logger.info(f"Sent {sent_count} reminders") + + except Exception as e: + logger.error(f"Error in reminder job: {str(e)}") + db.rollback() + finally: + db.close() + + def check_overdue_tasks(self): + logger.info("Starting overdue task check") + db: Session = SessionLocal() + + try: + now = datetime.utcnow() + overdue_tasks = db.query(Task).join(User).filter( + Task.status.in_([TaskStatus.PENDING, TaskStatus.IN_PROGRESS]), + Task.due_date < now, + User.whatsapp_number.isnot(None) + ).all() + + sent_count = 0 + for task in overdue_tasks: + if send_task_overdue(task.owner.whatsapp_number, task): + sent_count += 1 + + logger.info(f"Sent {sent_count} overdue notifications") + + except Exception as e: + logger.error(f"Error in overdue check job: {str(e)}") + finally: + db.close() + + def schedule_task_reminder(self, task_id: int, remind_at: datetime): + job_id = f"task_reminder_{task_id}" + + self.scheduler.add_job( + func=self._send_individual_reminder, + trigger='date', + run_date=remind_at, + args=[task_id], + id=job_id, + name=f'Reminder for task {task_id}', + replace_existing=True + ) + + def _send_individual_reminder(self, task_id: int): + db: Session = SessionLocal() + + try: + task = db.query(Task).join(User).filter( + Task.id == task_id, + User.whatsapp_number.isnot(None) + ).first() + + if task and task.status in [TaskStatus.PENDING, TaskStatus.IN_PROGRESS]: + send_task_reminder(task.owner.whatsapp_number, task) + task.whatsapp_reminder_sent = True + db.commit() + + except Exception as e: + logger.error(f"Error sending individual reminder for task {task_id}: {str(e)}") + finally: + db.close() + + def shutdown(self): + self.scheduler.shutdown() + + +scheduler_service = SchedulerService() \ No newline at end of file diff --git a/app/services/whatsapp_service.py b/app/services/whatsapp_service.py new file mode 100644 index 0000000..0890ec3 --- /dev/null +++ b/app/services/whatsapp_service.py @@ -0,0 +1,64 @@ +import logging +from typing import Optional +from twilio.rest import Client +from twilio.base.exceptions import TwilioException +from app.core.config import settings +from app.models.task import Task + +logger = logging.getLogger(__name__) + + +class WhatsAppService: + def __init__(self): + if settings.TWILIO_ACCOUNT_SID and settings.TWILIO_AUTH_TOKEN: + self.client = Client(settings.TWILIO_ACCOUNT_SID, settings.TWILIO_AUTH_TOKEN) + else: + self.client = None + logger.warning("Twilio credentials not configured. WhatsApp functionality disabled.") + + def send_message(self, to_number: str, message: str) -> bool: + if not self.client: + logger.error("WhatsApp service not configured") + return False + + try: + # Ensure phone number is in WhatsApp format + if not to_number.startswith("whatsapp:"): + to_number = f"whatsapp:{to_number}" + + message = self.client.messages.create( + body=message, + from_=settings.TWILIO_WHATSAPP_FROM, + to=to_number + ) + logger.info(f"WhatsApp message sent successfully. SID: {message.sid}") + return True + except TwilioException as e: + logger.error(f"Failed to send WhatsApp message: {str(e)}") + return False + except Exception as e: + logger.error(f"Unexpected error sending WhatsApp message: {str(e)}") + return False + + +whatsapp_service = WhatsAppService() + + +def send_task_reminder(phone_number: str, task: Task) -> bool: + due_info = f" (Due: {task.due_date.strftime('%Y-%m-%d %H:%M')})" if task.due_date else "" + message = f"🔔 Task Reminder: {task.title}\n\n{task.description or 'No description provided'}{due_info}\n\nPriority: {task.priority.value.upper()}" + + return whatsapp_service.send_message(phone_number, message) + + +def send_task_completion(phone_number: str, task: Task) -> bool: + message = f"✅ Task Completed: {task.title}\n\nCongratulations! You've successfully completed this task." + + return whatsapp_service.send_message(phone_number, message) + + +def send_task_overdue(phone_number: str, task: Task) -> bool: + overdue_days = (task.due_date - task.created_at).days if task.due_date else 0 + message = f"⚠️ Task Overdue: {task.title}\n\nThis task is overdue by {overdue_days} days. Please complete it as soon as possible.\n\nPriority: {task.priority.value.upper()}" + + return whatsapp_service.send_message(phone_number, message) \ No newline at end of file diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..025bd19 --- /dev/null +++ b/requirements.txt @@ -0,0 +1,15 @@ +fastapi==0.104.1 +uvicorn==0.24.0 +sqlalchemy==2.0.23 +alembic==1.13.0 +pydantic==2.5.0 +python-multipart==0.0.6 +passlib==1.7.4 +python-jose==3.3.0 +bcrypt==4.1.2 +httpx==0.25.2 +python-dotenv==1.0.0 +apscheduler==3.10.4 +openai==1.3.7 +twilio==8.10.3 +ruff==0.1.6 \ No newline at end of file