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697c967 aab8fae 697c967 6a3de9e 697c967 6a3de9e 697c967 b403b1b 697c967 6a3de9e 697c967 6a3de9e 697c967 6a3de9e 697c967 6a3de9e 697c967 6a3de9e 697c967 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | from typing import List, Optional
from sqlmodel import select
from sqlmodel.ext.asyncio.session import AsyncSession
from models.task import Task, TaskCreate, TaskUpdate, TaskComplete
from models.user import User
from models.task import TaskRead
from utils.logging import get_logger
from fastapi import HTTPException, status
from datetime import datetime
import asyncio
logger = get_logger(__name__)
class TaskService:
"""
Service class for handling task-related business logic with authorization.
"""
@staticmethod
async def get_tasks_by_user_id(session: AsyncSession, user_id: int) -> List[TaskRead]:
"""
Get all tasks for a specific user.
"""
try:
# Query tasks for the specific user
statement = select(Task).where(Task.user_id == user_id)
result = await session.exec(statement)
tasks = result.all()
# Convert to response schema
task_list = [TaskRead.model_validate(task) for task in tasks]
logger.info(f"Retrieved {len(task_list)} tasks for user {user_id}")
return task_list
except Exception as e:
logger.error(f"Error retrieving tasks for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error retrieving tasks"
)
@staticmethod
async def get_task_by_id(session: AsyncSession, user_id: int, task_id: int) -> TaskRead:
"""
Get a specific task by ID for a specific user.
"""
try:
# Query for the specific task that belongs to the user
statement = select(Task).where(Task.user_id == user_id, Task.id == task_id)
result = await session.exec(statement)
task = result.first()
if not task:
logger.warning(f"Task {task_id} not found for user {user_id}")
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="Task not found"
)
logger.info(f"Retrieved task {task_id} for user {user_id}")
return TaskRead.model_validate(task)
except HTTPException:
raise
except Exception as e:
logger.error(f"Error retrieving task {task_id} for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error retrieving task"
)
@staticmethod
async def create_task(session: AsyncSession, user_id: int, task_data: TaskCreate) -> TaskRead:
"""
Create a new task for a specific user.
"""
try:
task_data_dict = task_data.model_dump()
task_data_dict['user_id'] = user_id
db_task = Task.model_validate(task_data_dict)
# Add to session
session.add(db_task)
await session.flush()
await session.refresh(db_task)
logger.info(f"Created task {db_task.id} for user {user_id}")
return TaskRead.model_validate(db_task)
except Exception as e:
await session.rollback()
logger.error(f"Error creating task for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error creating task"
)
@staticmethod
async def update_task(session: AsyncSession, user_id: int, task_id: int, task_data: TaskUpdate) -> TaskRead:
"""
Update a specific task for a specific user.
"""
try:
# Query for the specific task that belongs to the user
statement = select(Task).where(Task.user_id == user_id, Task.id == task_id)
result = await session.exec(statement)
task = result.first()
if not task:
logger.warning(f"Task {task_id} not found for user {user_id}")
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="Task not found"
)
# Update task fields if provided
update_data = task_data.model_dump(exclude_unset=True)
for field, value in update_data.items():
setattr(task, field, value)
# Update the updated_at timestamp
task.updated_at = datetime.utcnow()
# Add changes to the session
session.add(task)
await session.flush()
await session.refresh(task)
logger.info(f"Updated task {task_id} for user {user_id}")
return TaskRead.model_validate(task)
except HTTPException:
raise
except Exception as e:
await session.rollback()
logger.error(f"Error updating task {task_id} for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error updating task"
)
@staticmethod
async def delete_task(session: AsyncSession, user_id: int, task_id: int) -> bool:
"""
Delete a specific task for a specific user.
"""
try:
# Query for the specific task that belongs to the user
statement = select(Task).where(Task.user_id == user_id, Task.id == task_id)
result = await session.exec(statement)
task = result.first()
if not task:
logger.warning(f"Task {task_id} not found for user {user_id}")
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="Task not found"
)
# Delete the task
await session.delete(task)
await session.flush()
logger.info(f"Deleted task {task_id} for user {user_id}")
return True
except HTTPException:
raise
except Exception as e:
await session.rollback()
logger.error(f"Error deleting task {task_id} for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error deleting task"
)
@staticmethod
async def update_task_completion(session: AsyncSession, user_id: int, task_id: int, completion_data: TaskComplete) -> TaskRead:
"""
Update the completion status of a specific task for a specific user.
"""
try:
# Query for the specific task that belongs to the user
statement = select(Task).where(Task.user_id == user_id, Task.id == task_id)
result = await session.exec(statement)
task = result.first()
if not task:
logger.warning(f"Task {task_id} not found for user {user_id}")
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="Task not found"
)
# Update completion status
task.completed = completion_data.completed
task.updated_at = datetime.utcnow()
# Add changes to the session
session.add(task)
await session.flush()
await session.refresh(task)
logger.info(f"Updated completion status for task {task_id} for user {user_id}")
return TaskRead.model_validate(task)
except HTTPException:
raise
except Exception as e:
await session.rollback()
logger.error(f"Error updating completion status for task {task_id} for user {user_id}: {str(e)}")
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="Error updating task completion status"
) |