feat: ability to add and view blogs for a user

backend/app/crud.py

@@ -1,26 +1,75 @@
 from sqlalchemy.orm import Session
 from app import models, schemas
 from app.utils import hash_password, verify_password
+from typing import List, Optional
 
 
-def get_item(db: Session, item_id: int):
-    return db.query(models.Item).filter(models.Item.id == item_id).first()
+def get_blog(db: Session, blog_id: int) -> Optional[models.Blog]:
+    return db.query(models.Blog).filter(models.Blog.id == blog_id).first()
 
 
-def get_items(db: Session, skip: int = 0, limit: int = 10):
-    return db.query(models.Item).offset(skip).limit(limit).all()
+def get_blogs(
+    db: Session,
+    skip: int = 0,
+    limit: int = 10,
+    author_id: Optional[int] = None,
+    visibility: Optional[str] = None,
+) -> List[models.Blog]:
+    q = db.query(models.Blog)
+    if author_id is not None:
+        q = q.filter(models.Blog.author_id == author_id)
+    if visibility is not None:
+        q = q.filter(models.Blog.visibility == visibility)
+    return q.offset(skip).limit(limit).all()
 
 
-def create_item(db: Session, item: schemas.Item):
-    db_item = models.Item(**item.model_dump())
-    db.add(db_item)
+def create_blog(db: Session, blog_in: schemas.BlogCreate) -> models.Blog:
+    db_blog = models.Blog(**blog_in.model_dump())
+    db.add(db_blog)
     db.commit()
-    db.refresh(db_item)
-    return db_item
+    db.refresh(db_blog)
+    return db_blog
 
 
-def delete_item(db: Session, item_id: int):
-    item = db.query(models.Item).filter(models.Item.id == item_id).first()
+def update_blog(
+    db: Session, blog_id: int, blog_in: schemas.BlogUpdate
+) -> Optional[models.Blog]:
+    db_blog = get_blog(db, blog_id)
+    if not db_blog:
+        return None
+    update_data = blog_in.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(db_blog, field, value)
+    db.commit()
+    db.refresh(db_blog)
+    return db_blog
+
+
+def delete_blog(db: Session, blog_id: int) -> Optional[models.Blog]:
+    db_blog = get_blog(db, blog_id)
+    if not db_blog:
+        return None
+    db.delete(db_blog)
+    db.commit()
+    return db_blog
+
+
+def increment_view_count(db: Session, blog_id: int) -> None:
+    db.query(models.Blog).filter(models.Blog.id == blog_id).update(
+        {"view_count": models.Blog.view_count + 1}
+    )
+    db.commit()
+
+
+def add_like(db: Session, blog_id: int) -> None:
+    db.query(models.Blog).filter(models.Blog.id == blog_id).update(
+        {"like_count": models.Blog.like_count + 1}
+    )
+    db.commit()
+
+
+def delete_blogs(db: Session, item_id: int):
+    item = db.query(models.Blog).filter(models.Blog.id == item_id).first()
     if item:
         db.delete(item)
         db.commit()