create dataset comments

alembic/db1/versions/2025_03_13_2202-7182f3a2d8f1_.py

@@ -0,0 +1,32 @@
+"""empty message
+
+Revision ID: 7182f3a2d8f1
+Revises: 9975c56b36b8
+Create Date: 2025-03-13 22:02:24.302197
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '7182f3a2d8f1'
+down_revision: Union[str, None] = '9975c56b36b8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('post', sa.Column('blog_id', sa.INTEGER(), nullable=False))
+    op.create_foreign_key(None, 'post', 'blog', ['blog_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'post', type_='foreignkey')
+    op.drop_column('post', 'blog_id')
+    # ### end Alembic commands ###

database/dumps/db1.sql

@@ -21,17 +21,6 @@ SET default_tablespace = '';
 
 SET default_table_access_method = heap;
 
---
--- Name: alembic_version; Type: TABLE; Schema: public; Owner: postgres
---
-
-CREATE TABLE public.alembic_version (
-    version_num character varying(32) NOT NULL
-);
-
-
-ALTER TABLE public.alembic_version OWNER TO postgres;
-
 --
 -- Name: blog; Type: TABLE; Schema: public; Owner: postgres
 --
@@ -76,7 +65,8 @@ CREATE TABLE public.post (
     id integer NOT NULL,
     header character varying NOT NULL,
     text character varying NOT NULL,
-    author_id integer NOT NULL
+    author_id integer NOT NULL,
+    blog_id integer NOT NULL
 );
 
 
@@ -160,13 +150,6 @@ ALTER TABLE ONLY public.post ALTER COLUMN id SET DEFAULT nextval('public.post_id
 ALTER TABLE ONLY public."user" ALTER COLUMN id SET DEFAULT nextval('public.user_id_seq'::regclass);
 
 
---
--- Data for Name: alembic_version; Type: TABLE DATA; Schema: public; Owner: postgres
---
-
-INSERT INTO public.alembic_version (version_num) VALUES ('9975c56b36b8');
-
-
 --
 -- Data for Name: blog; Type: TABLE DATA; Schema: public; Owner: postgres
 --
@@ -179,8 +162,8 @@ INSERT INTO public.blog (id, owner_id, name, description) VALUES (3, 2, 'мой
 -- Data for Name: post; Type: TABLE DATA; Schema: public; Owner: postgres
 --
 
-INSERT INTO public.post (id, header, text, author_id) VALUES (1, 'заголовок', 'текст', 1);
-INSERT INTO public.post (id, header, text, author_id) VALUES (2, 'другой заголовок', 'другой текст', 2);
+INSERT INTO public.post (id, header, text, author_id, blog_id) VALUES (1, 'заголовок', 'текст', 1, 2);
+INSERT INTO public.post (id, header, text, author_id, blog_id) VALUES (2, 'другой заголовок', 'другой текст', 2, 2);
 
 
 --
@@ -212,14 +195,6 @@ SELECT pg_catalog.setval('public.post_id_seq', 2, true);
 SELECT pg_catalog.setval('public.user_id_seq', 2, true);
 
 
---
--- Name: alembic_version alembic_version_pkc; Type: CONSTRAINT; Schema: public; Owner: postgres
---
-
-ALTER TABLE ONLY public.alembic_version
-    ADD CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num);
-
-
 --
 -- Name: blog blog_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres
 --
@@ -260,6 +235,14 @@ ALTER TABLE ONLY public.post
     ADD CONSTRAINT post_author_id_fkey FOREIGN KEY (author_id) REFERENCES public."user"(id);
 
 
+--
+-- Name: post post_blog_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public.post
+    ADD CONSTRAINT post_blog_id_fkey FOREIGN KEY (blog_id) REFERENCES public.blog(id);
+
+
 --
 -- PostgreSQL database dump complete
 --

src/adapters/database/models/db1/post.py

@@ -3,6 +3,7 @@ from sqlalchemy.orm import Mapped, mapped_column
 
 from .base import Base
 from .user import User
+from .blog import Blog
 
 
 class Post(Base):
@@ -12,3 +13,5 @@ class Post(Base):
     text: Mapped[str] = mapped_column(default="")
     author_id: Mapped[int] = mapped_column(ForeignKey(User.id))
     # author: Mapped[User] = relationship(lazy="selectin")
+    blog_id: Mapped[int] = mapped_column(ForeignKey(Blog.id))
+    # blog: Mapped[Blog] = relationship(lazy="selectin")

src/api/__init__.py

@@ -1 +1,2 @@
 from .healthcheck import healthcheck_router as healthcheck_router
+from .create_dataset import dataset_router as dataset_router

src/api/create_dataset.py

@@ -1,20 +1,50 @@
-from typing import Annotated
+from fastapi import APIRouter
 
-from fastapi import APIRouter, Depends
+from sqlalchemy import text, func, Date, case, select
 
+from src.adapters.database.session import async_session_maker_db1, async_session_maker_db2
+from src.adapters.database.models import User, Blog, Post, Log
+
+from src.schemas.dataset_general import DatasetGeneralItem, DatasetGeneralOutput
 
 dataset_router = APIRouter()
 
 
 @dataset_router.get("/comments", response_model=None)
 async def get_database_comments():
-    pass
-    # async with uow:
-    #     return await FavouriteService(uow, jwt_token).get_favourites(
-    #         page=page, limit=limit
-    #     )
+    async with async_session_maker_db1() as session:
+        pass
 
 
-@dataset_router.get("/general", response_model=None)
+
+"""
+SELECT 
+CAST(log.datetime AS DATE) as date,
+SUM(case when log.event_type = 'LOGIN' then 1 else 0 end) as login_count,
+SUM(case when log.event_type = 'LOGOUT' then 1 else 0 end) as logout_count,
+SUM(case when log.space_type = 'BLOG' then 1 else 0 end) as blog_operations
+FROM log
+GROUP BY CAST(log.datetime AS DATE);
+"""
+@dataset_router.get("/general", response_model=DatasetGeneralOutput)
 async def get_database_general():
-    pass
+    async with async_session_maker_db2() as session:
+        stmt = (
+            select(
+                func.cast(Log.date_time, Date).label('date'),
+                func.sum(case((Log.event_type == 'LOGIN', 1), else_=0)).label('login_count'),
+                func.sum(case((Log.event_type == 'LOGOUT', 1), else_=0)).label('logout_count'),
+                func.sum(case((Log.space_type == 'BLOG', 1), else_=0)).label('blog_operations')
+            )
+            .group_by(func.cast(Log.date_time, Date))
+        )
+        orm_result = (await session.execute(stmt)).all()
+    items = []
+    for record in orm_result:
+        items.append(DatasetGeneralItem(
+            date=record[0],
+            login_count=record[1],
+            logout_count=record[2],
+            blog_operations=record[3]
+        ))
+    return DatasetGeneralOutput(items=items)

src/app.py

@@ -1,7 +1,7 @@
 from fastapi import APIRouter, FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
-from src.api import healthcheck_router
+from src.api import healthcheck_router, dataset_router
 
 app = FastAPI(
     title="python_dev-backend",
@@ -18,5 +18,6 @@ app.add_middleware(
 app.include_router(healthcheck_router)
 
 main_app_router = APIRouter(prefix="/api")
+main_app_router.include_router(dataset_router)
 
 app.include_router(main_app_router)

src/schemas/dataset_general.py

@@ -0,0 +1,18 @@
+from datetime import date
+
+from pydantic import BaseModel, ConfigDict
+
+
+class DatasetGeneralOutput(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    items: list["DatasetGeneralItem"]
+
+
+class DatasetGeneralItem(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    date: date
+    login_count: int
+    logout_count: int
+    blog_operations: int