Starting working on endpoints

main.py

@@ -1,24 +1,66 @@
+from enum import Enum
 from fastapi import FastAPI, HTTPException, Depends
-from pydantic import BaseModel
-from typing import List, Annotated
+from pydantic import BaseModel, ConfigDict
+from typing import List, Annotated, Optional
+
+import models
+from database import SessionLocal, engine
+from sqlalchemy.orm import Session, joinedload
+
+from tasks import TaskBase, TaskList
+from users import UserBase
+from projects import ProjectBase, ProjectCreate, ProjectList
 
 app = FastAPI()
 
-class TaskStatus():
-    PENDING = "pending"
-    IN_PROGRESS = "in_progress"
-    COMPLETED = "completed"
-    FAILED = "failed"
-    STASHED = "stashed"
+models.Base.metadata.create_all(bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+db_dependency = Annotated[Session, Depends(get_db)]
+
+@app.post("/projects/", response_model=ProjectBase)
+def create_project(project: ProjectCreate, db: db_dependency):
+    db_project = models.Project(name=project.name, description=project.description)
+    db.add(db_project)
+    db.commit()
+    db.refresh(db_project)
+
+    for task in project.tasks:
+        db_task = models.Task(
+            title=task.title,
+            description=task.description,
+            status=task.status.value,
+            project_id=db_project.id
+        )
+        db.add(db_task)
+    db.commit()
+
+    if project.user_ids:
+        users = db.query(models.User).filter(models.User.id.in_(project.user_ids)).all()
+        db_project.users.extend(users)
+        db.commit()
+
+    db_project = db.query(models.Project).options(
+        joinedload(models.Project.tasks),
+        joinedload(models.Project.users)
+    ).filter(models.Project.id == db_project.id).first()
+    
+    return db_project
+
+@app.get("/projects/{project_id}", response_model=ProjectBase)
+def read_project(project_id: int, db: db_dependency):
+    db_project = db.query(models.Project).options(
+        joinedload(models.Project.tasks),
+        joinedload(models.Project.users)
+    ).filter(models.Project.id == project_id).first()
+    if db_project is None:
+        raise HTTPException(status_code=404, detail="Project not found")
+    return db_project
 
-class TaskBase(BaseModel):
-    id: int
-    title: str
-    description: str
-    status: TaskStatus
 
-class ProjectBase(BaseModel):
-    id: int
-    name: str
-    description: str
-    tasks: List[TaskBase]