First init

.env.template

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+DB_URL=mssql+pyodbc://{user}:{password}@{host}/{database_name}?driver=ODBC+Driver+17+for+SQL+Server
+HOST=0.0.0.0
+PORT=4444
+SERVER_ROOT=
+PREFIX=/agree

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

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+создать виртуальное окружение 
+""python3 -m venv .venv"""
+подключиться к виртуальному окружению
+""".\.venv\Scripts\activate"""
+Загрузить библиотеки с файла requirements.txt
+"""pip install -r requirements.txt"""
+в файле .env.template заменить на ваши данные и сохранить в .env
+Запустить приложение
+"""main.py"""

main.py

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+from fastapi import FastAPI, APIRouter, Request
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import ORJSONResponse, HTMLResponse
+from sqlmodel import create_engine, Field, SQLModel, UUID, DateTime, func, Column, text, bindparam
+from sqlalchemy.dialects.mssql import UNIQUEIDENTIFIER, DATETIME
+from sqlalchemy import insert
+from dotenv import load_dotenv
+from typing import Optional, Sequence
+from datetime import datetime
+from uuid import UUID
+import os
+load_dotenv()
+DB_URL = os.getenv("DB_URL")
+SERVER_ROOT = os.getenv("SERVER_ROOT")
+PREFIX = os.getenv("PREFIX")
+db_engine = create_engine(DB_URL)
+
+class Agreement(SQLModel,table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    id_account: UUID = Field(sa_column=Column(UNIQUEIDENTIFIER))
+    id_personal_account: Optional[int]
+    date_registration:datetime = Field(sa_column=Column(DATETIME))
+    FIO: Optional[str]
+    phone: Optional[str]
+    email: Optional[str]
+    agreement:Optional[bool] = True
+    agreement_date: Optional[datetime] = Field(sa_column=Column(DATETIME))
+
+class AgreementCreate(SQLModel):
+    id_account: UUID 
+    id_personal_account: Optional[int]
+    date_registration:datetime 
+    FIO: Optional[str]
+    phone: Optional[str]
+    email: Optional[str]
+    agreement:Optional[bool] = True
+    agreement_date: Optional[datetime] 
+SQLModel.metadata.create_all(db_engine, checkfirst=True)
+
+app = FastAPI(openapi_url = SERVER_ROOT +"/openapi.json", docs_url=SERVER_ROOT+"/docs", default_response_class=ORJSONResponse)
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+router = APIRouter(
+    prefix=PREFIX
+)
+
+@app.get("/", response_class= HTMLResponse)
+async def hello(request: Request):
+    return """
+    <html>
+        <head>
+            <title>Привет</title>
+        </head>
+        <body>
+            <h1>Это API, а не сайт!</h1>
+        </body>
+    </html>
+    """
+
+@router.get('/')
+async def get_ageement(id_account: Optional[UUID] = None) -> Sequence[Agreement]:
+    with db_engine.begin() as con:
+        query =  text("SELECT * FROM agreement WHERE id_account=:id_account").params({"id_account":id_account})
+        return con.execute(query).fetchall()
+
+
+@router.delete("/")
+async def delete_pk(acc_list: Sequence[UUID]):
+    with db_engine.begin() as con:
+        stmt = text("DELETE agreement WHERE id_account IN :acc_list")
+        params = {"acc_list":acc_list}
+        stmt = stmt.bindparams(bindparam('acc_list', expanding=True))
+        con.execute(stmt, params)
+        return {"msg":"has deleted"}
+
+
+@router.post("/")
+async def add_agreement(agrees: Sequence[AgreementCreate]):
+    with db_engine.begin() as con:
+        dict_list=[]
+        acc_list = []
+        for agree in agrees:
+            agree_dict = agree.model_dump()
+            dict_list.append(agree_dict)
+            acc_id = agree_dict.get("id_account")
+            if acc_id not in acc_list:
+                acc_list.append(acc_id)
+        await delete_pk(acc_list)
+        stmt = insert(Agreement).values(dict_list)
+        con.execute(stmt)
+        con.commit()
+        return {"msg": "added succesfully"}
+
+app.include_router(router)
+
+if __name__ == "__main__":
+    import uvicorn 
+    uvicorn.run(
+        app,
+        host=os.getenv("HOST"),
+        port=int(os.getenv("PORT"))
+        )

requirements.txt

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+fastapi
+uvicorn
+sqlmodel
+pyodbc
+python-dotenv
+orjson