140 lines
4.0 KiB
Python
140 lines
4.0 KiB
Python
"""
|
|
Podcast Service
|
|
|
|
Service layer for managing podcast project persistence.
|
|
"""
|
|
|
|
from sqlalchemy.orm import Session
|
|
from sqlalchemy import desc, and_, or_
|
|
from typing import Optional, List, Dict, Any
|
|
from datetime import datetime
|
|
import uuid
|
|
|
|
from models.podcast_models import PodcastProject
|
|
|
|
|
|
class PodcastService:
|
|
"""Service for managing podcast projects."""
|
|
|
|
def __init__(self, db: Session):
|
|
self.db = db
|
|
|
|
def create_project(
|
|
self,
|
|
user_id: str,
|
|
project_id: str,
|
|
idea: str,
|
|
duration: int,
|
|
speakers: int,
|
|
budget_cap: float,
|
|
**kwargs
|
|
) -> PodcastProject:
|
|
"""Create a new podcast project."""
|
|
project = PodcastProject(
|
|
project_id=project_id,
|
|
user_id=user_id,
|
|
idea=idea,
|
|
duration=duration,
|
|
speakers=speakers,
|
|
budget_cap=budget_cap,
|
|
status="draft",
|
|
current_step="create",
|
|
**kwargs
|
|
)
|
|
self.db.add(project)
|
|
self.db.commit()
|
|
self.db.refresh(project)
|
|
return project
|
|
|
|
def get_project(self, user_id: str, project_id: str) -> Optional[PodcastProject]:
|
|
"""Get a project by ID, ensuring user ownership."""
|
|
return self.db.query(PodcastProject).filter(
|
|
and_(
|
|
PodcastProject.project_id == project_id,
|
|
PodcastProject.user_id == user_id
|
|
)
|
|
).first()
|
|
|
|
def update_project(
|
|
self,
|
|
user_id: str,
|
|
project_id: str,
|
|
**updates
|
|
) -> Optional[PodcastProject]:
|
|
"""Update project fields."""
|
|
project = self.get_project(user_id, project_id)
|
|
if not project:
|
|
return None
|
|
|
|
# Update fields
|
|
for key, value in updates.items():
|
|
if hasattr(project, key):
|
|
setattr(project, key, value)
|
|
|
|
project.updated_at = datetime.utcnow()
|
|
self.db.commit()
|
|
self.db.refresh(project)
|
|
return project
|
|
|
|
def list_projects(
|
|
self,
|
|
user_id: str,
|
|
status: Optional[str] = None,
|
|
favorites_only: bool = False,
|
|
limit: int = 50,
|
|
offset: int = 0,
|
|
order_by: str = "updated_at" # "updated_at" or "created_at"
|
|
) -> tuple[List[PodcastProject], int]:
|
|
"""List user's projects with optional filtering."""
|
|
query = self.db.query(PodcastProject).filter(
|
|
PodcastProject.user_id == user_id
|
|
)
|
|
|
|
# Apply filters
|
|
if status:
|
|
query = query.filter(PodcastProject.status == status)
|
|
|
|
if favorites_only:
|
|
query = query.filter(PodcastProject.is_favorite == True)
|
|
|
|
# Get total count before pagination
|
|
total = query.count()
|
|
|
|
# Apply ordering
|
|
if order_by == "created_at":
|
|
query = query.order_by(desc(PodcastProject.created_at))
|
|
else:
|
|
query = query.order_by(desc(PodcastProject.updated_at))
|
|
|
|
# Apply pagination
|
|
projects = query.offset(offset).limit(limit).all()
|
|
|
|
return projects, total
|
|
|
|
def delete_project(self, user_id: str, project_id: str) -> bool:
|
|
"""Delete a project."""
|
|
project = self.get_project(user_id, project_id)
|
|
if not project:
|
|
return False
|
|
|
|
self.db.delete(project)
|
|
self.db.commit()
|
|
return True
|
|
|
|
def toggle_favorite(self, user_id: str, project_id: str) -> Optional[PodcastProject]:
|
|
"""Toggle favorite status of a project."""
|
|
project = self.get_project(user_id, project_id)
|
|
if not project:
|
|
return None
|
|
|
|
project.is_favorite = not project.is_favorite
|
|
project.updated_at = datetime.utcnow()
|
|
self.db.commit()
|
|
self.db.refresh(project)
|
|
return project
|
|
|
|
def update_status(self, user_id: str, project_id: str, status: str) -> Optional[PodcastProject]:
|
|
"""Update project status."""
|
|
return self.update_project(user_id, project_id, status=status)
|
|
|