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Merge pull request #3 from igormagalhaesr/posts
posts crud and routes
2 parents b2a091d + f4bd139 commit 268a4bc

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7 files changed

+198
-6
lines changed

7 files changed

+198
-6
lines changed

‎src/app/api/v1/__init__.py‎

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from app.api.v1.login import router as login_router
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from app.api.v1.users import router as users_router
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from app.api.v1.posts import router as posts_router
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router = APIRouter(prefix="/v1")
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router.include_router(login_router)
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router.include_router(users_router)
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router.include_router(posts_router)

‎src/app/api/v1/posts.py‎

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from typing import List, Annotated
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from fastapi import Depends, HTTPException
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from sqlalchemy.ext.asyncio import AsyncSession
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import fastapi
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from app.schemas.post import PostCreate, PostUpdate, PostRead, PostCreateInternal
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from app.schemas.user import UserRead
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from app.api.dependencies import get_current_user, get_current_superuser
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from app.core.database import async_get_db
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from app.crud.crud_posts import crud_posts
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from app.crud.crud_users import crud_users
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from app.api.exceptions import privileges_exception
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router = fastapi.APIRouter(tags=["posts"])
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@router.post("/{username}/post", response_model=PostRead, status_code=201)
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async def write_post(
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username: str,
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post: PostCreate,
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current_user: Annotated[UserRead, Depends(get_current_user)],
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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if current_user.id != db_user.id:
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raise privileges_exception
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post_internal_dict = post.model_dump()
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post_internal_dict["created_by_user_id"] = db_user.id
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post_internal = PostCreateInternal(**post_internal_dict)
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return await crud_posts.create(db=db, object=post_internal)
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@router.get("/{username}/posts", response_model=List[PostRead])
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async def read_posts(
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username: str,
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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posts = await crud_posts.get_multi(db=db, created_by_user_id=db_user.id, is_deleted=False)
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return posts
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@router.get("/{username}/post/{id}", response_model=PostRead)
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async def read_post(
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username: str,
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id: int,
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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db_post = await crud_posts.get(db=db, id=id, created_by_user_id=db_user.id, is_deleted=False)
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if db_post is None:
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raise HTTPException(status_code=404, detail="Post not found")
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return db_post
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@router.patch("/{username}/post/{id}", response_model=PostRead)
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async def patch_post(
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username: str,
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id: int,
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values: PostUpdate,
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current_user: Annotated[UserRead, Depends(get_current_user)],
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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if current_user.id != db_user.id:
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raise privileges_exception
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db_post = await crud_posts.get(db=db, id=id, is_deleted=False)
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if db_post is None:
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raise HTTPException(status_code=404, detail="Post not found")
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return await crud_posts.update(db=db, object=values, db_object=db_post, id=id)
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@router.delete("/{username}/post/{id}")
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async def erase_post(
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username: str,
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id: int,
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current_user: Annotated[UserRead, Depends(get_current_user)],
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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if current_user.id != db_user.id:
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raise privileges_exception
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db_post = await crud_posts.get(db=db, id=id, is_deleted=False)
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if db_post is None:
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raise HTTPException(status_code=404, detail="Post not found")
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deleted_post = await crud_posts.delete(db=db, db_object=db_post, id=id)
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if deleted_post.is_deleted == True:
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message = {"message": "Post deleted"}
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else:
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message = {"message": "Something went wrong"}
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return message
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@router.delete("/{username}/db_post/{id}")
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async def erase_db_post(
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username: str,
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id: int,
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current_superuser: Annotated[UserRead, Depends(get_current_superuser)],
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db: Annotated[AsyncSession, Depends(async_get_db)]
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):
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db_user = await crud_users.get(db=db, username=username, is_deleted=False)
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if db_user is None:
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raise HTTPException(status_code=404, detail="User not found")
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db_post = await crud_posts.get(db=db, id=id, is_deleted=False)
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if db_post is None:
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raise HTTPException(status_code=404, detail="Post not found")
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await crud_posts.db_delete(db=db, db_object=db_post, id=id)
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deleted_post = await crud_posts.get(db=db, id=id)
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if deleted_post is None:
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message = {"message": "Post deleted"}
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else:
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message = {"message": "Something went wrong"}
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return message

‎src/app/api/v1/users.py‎

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router = fastapi.APIRouter(tags=["users"])
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@router.post("/user", response_model=UserBase, status_code=201)
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@router.post("/user", response_model=UserRead, status_code=201)
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async def write_user(user: UserCreate, db: AsyncSession = Depends(async_get_db)):
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db_user = await crud_users.get(db=db, email=user.email)
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if db_user:
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return db_user
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@router.patch("/user/{username}", response_model=UserUpdate)
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@router.patch("/user/{username}", response_model=UserRead)
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async def patch_user(
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values: UserUpdate,
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username: str,

‎src/app/crud/crud_posts.py‎

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from app.crud.crud_base import CRUDBase
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from app.models.post import Post
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from app.schemas.post import PostCreateInternal, PostUpdate, PostUpdateInternal, PostDelete
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CRUDPost = CRUDBase[Post, PostCreateInternal, PostUpdate, PostUpdateInternal, PostDelete]
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crud_posts = CRUDPost(Post)

‎src/app/models/post.py‎

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@@ -16,9 +16,9 @@ class Post(Base):
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created_by_user_id: Mapped[int] = mapped_column(ForeignKey("user.id"))
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title: Mapped[str] = mapped_column(String(30))
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text: Mapped[str] = mapped_column(String(63206))
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media_url: Mapped[str] = mapped_column(String)
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media_url: Mapped[str | None] = mapped_column(String, default=None)
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user: Mapped["User"] = relationship(back_populates="posts", lazy="selectin")
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user: Mapped["User"] = relationship(back_populates="posts", lazy="selectin", init=False)
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default_factory=datetime.utcnow

‎src/app/schemas/post.py‎

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media_url: Annotated[
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str | None,
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Field(
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pattern=r"^(https?|ftp)://[^\s/$.?#].[^\s]*$",
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examples=["https://www.postimageurl.com"],
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default=None
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),
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class PostCreate(PostBase):
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model_config = ConfigDict(extra='forbid')
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media_url: Annotated[
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str | None,
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Field(
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pattern=r"^(https?|ftp)://[^\s/$.?#].[^\s]*$",
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examples=["https://www.postimageurl.com"],
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default=None
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),
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]
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class PostCreateInternal(PostCreate):
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created_by_user_id: int
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media_url: str | None = None
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class PostUpdate(PostBase):

‎src/migrations/versions/474ddfe32ea7_.py‎

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"""empty message
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Revision ID: 474ddfe32ea7
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Revises: 211a8b0d0080
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Create Date: 2023-10-07 02:22:22.612109
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision: str = '474ddfe32ea7'
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down_revision: Union[str, None] = '211a8b0d0080'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# ### commands auto generated by Alembic - please adjust! ###
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op.alter_column('post', 'media_url',
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existing_type=sa.VARCHAR(),
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nullable=True)
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op.create_unique_constraint(None, 'post', ['id'])
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# ### end Alembic commands ###
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def downgrade() -> None:
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, 'post', type_='unique')
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op.alter_column('post', 'media_url',
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existing_type=sa.VARCHAR(),
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nullable=False)
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# ### end Alembic commands ###

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