feat: add solution for sprint 8

API/.env

@@ -0,0 +1,3 @@
+API_APP_KEYCLOAK_URL=http://localhost:8080
+API_APP_KEYCLOAK_REALM=reports-realm
+API_APP_KEYCLOAK_CLIENT_ID=reports-api

API/.gitignore

@@ -0,0 +1,2 @@
+api_env
+__pycache__

API/.python-version

@@ -0,0 +1 @@
+3.9.21

API/Dockerfile

@@ -0,0 +1,9 @@
+FROM python:3.9-slim
+
+WORKDIR /API
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY main.py main.py
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

API/main.py

@@ -0,0 +1,68 @@
+# from dotenv import load_dotenv
+import csv
+import io
+import os
+
+from fastapi import FastAPI, Depends, HTTPException, Security
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import StreamingResponse
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+from keycloak import KeycloakOpenID
+
+# load_dotenv()
+
+KEYCLOAK_URL = os.environ.get("API_APP_KEYCLOAK_URL")
+KEYCLOAK_REALM = os.environ.get("API_APP_KEYCLOAK_REALM")
+KEYCLOAK_CLIENT_ID = os.environ.get("API_APP_KEYCLOAK_CLIENT_ID")
+
+if not all([KEYCLOAK_URL, KEYCLOAK_REALM, KEYCLOAK_CLIENT_ID]):
+  raise EnvironmentError("Не все обязательные переменные окружения установлены")
+
+keycloak_openid = KeycloakOpenID(
+  server_url=KEYCLOAK_URL,
+  realm_name=KEYCLOAK_REALM,
+  client_id=KEYCLOAK_CLIENT_ID
+)
+
+app = FastAPI()
+
+app.add_middleware(
+  CORSMiddleware,
+  allow_origins=["*"],
+  allow_credentials=True,
+  allow_methods=["*"],
+  allow_headers=["*"]
+)
+
+token_scheme = HTTPBearer()
+
+async def verify_bearer_token(
+  token: HTTPAuthorizationCredentials = Security(token_scheme),
+):
+  try:
+    payload = keycloak_openid.decode_token(token.credentials)
+  except Exception as e:
+    raise HTTPException(status_code=401, detail=f"Невалидный токен: {str(e)}")
+
+  all_user_roles = payload.get("realm_access", {}).get("roles", [])
+
+  if 'prothetic_user' not in all_user_roles:
+    raise HTTPException(status_code=403, detail="Недостаточно прав")
+
+stub_report_data = [
+  ["Name", "Age", "City"],
+  ["Alice", 30, "New York"],
+  ["Bob", 25, "Los Angeles"],
+  ["Charlie", 35, "Chicago"]
+]
+
+@app.get("/reports")
+def get_reports(_=Depends(verify_bearer_token)):
+  stream = io.StringIO()
+  writer = csv.writer(stream)
+  writer.writerows(stub_report_data)
+
+  response = StreamingResponse(iter([stream.getvalue()]), media_type="text/csv")
+  response.headers["Content-Disposition"] = "attachment; filename=report.csv"
+
+  return response

API/requirements.txt

@@ -0,0 +1,32 @@
+aiofiles==24.1.0
+annotated-types==0.7.0
+anyio==4.9.0
+async-property==0.2.2
+certifi==2025.4.26
+cffi==1.17.1
+charset-normalizer==3.4.2
+click==8.1.8
+cryptography==45.0.3
+deprecation==2.1.0
+dotenv==0.9.9
+exceptiongroup==1.3.0
+fastapi==0.115.12
+h11==0.16.0
+httpcore==1.0.9
+httpx==0.28.1
+idna==3.10
+jwcrypto==1.5.6
+packaging==25.0
+pycparser==2.22
+pydantic==2.11.5
+pydantic_core==2.33.2
+python-dotenv==1.1.0
+python-keycloak==5.5.1
+requests==2.32.3
+requests-toolbelt==1.0.0
+sniffio==1.3.1
+starlette==0.46.2
+typing-inspection==0.4.1
+typing_extensions==4.13.2
+urllib3==2.4.0
+uvicorn==0.34.2

README.md

@@ -0,0 +1,9 @@
+#### Как запустить проект
+
+надо в корне репозитория выполнить команду:
+
+```sh
+docker-compose up -d --build
+```
+
+и когда все докер-контейнеры запустятся, открыть в браузере урл: http://localhost:3000

docker-compose.yaml

@@ -20,7 +20,7 @@ services:
       KC_DB_URL: jdbc:postgresql://keycloak_db:5432/keycloak_db
       KC_DB_USERNAME: keycloak_user
       KC_DB_PASSWORD: keycloak_password
-    command: 
+    command:
       - start-dev
       - --import-realm
     volumes:
@@ -40,3 +40,17 @@ services:
       REACT_APP_KEYCLOAK_URL: http://localhost:8080
       REACT_APP_KEYCLOAK_REALM: reports-realm
       REACT_APP_KEYCLOAK_CLIENT_ID: reports-frontend
+    depends_on:
+      - api
+  api:
+    build:
+      context: ./API
+      dockerfile: Dockerfile
+    ports:
+      - "8000:8000"
+    environment:
+      API_APP_KEYCLOAK_URL: http://keycloak:8080
+      API_APP_KEYCLOAK_REALM: reports-realm
+      API_APP_KEYCLOAK_CLIENT_ID: reports-api
+    depends_on:
+      - keycloak

frontend/.prettierrc

@@ -0,0 +1,11 @@
+{
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": false,
+  "singleQuote": true,
+  "jsxSingleQuote": false,
+  "trailingComma": "es5",
+  "bracketSpacing": true,
+  "arrowParens": "avoid"
+}