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Change-Id: I15e0d095273278f8531caa7399565fe92857a7ad
91 lines
2.4 KiB
Python
91 lines
2.4 KiB
Python
from __future__ import annotations
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from threading import Lock
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from typing import Optional
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from fastapi import FastAPI, HTTPException
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from prometheus_fastapi_instrumentator import Instrumentator
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from pydantic import BaseModel
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app = FastAPI(
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title="test-alex-1",
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description="test-alex-1",
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version="0.1.0",
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)
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# Expose /metrics for Prometheus scraping
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Instrumentator().instrument(app).expose(app)
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# ---------------------------------------------------------------------------
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# Domain model
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# ---------------------------------------------------------------------------
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class ItemRequest(BaseModel):
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name: str
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description: str = ""
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class Item(BaseModel):
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id: int
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name: str
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description: str
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# ---------------------------------------------------------------------------
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# In-memory store (thread-safe)
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# ---------------------------------------------------------------------------
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_store: dict[int, Item] = {}
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_counter = 0
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_lock = Lock()
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def _next_id() -> int:
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global _counter
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with _lock:
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_counter += 1
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return _counter
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# ---------------------------------------------------------------------------
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# Routes
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# ---------------------------------------------------------------------------
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@app.get("/health", tags=["observability"])
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def health() -> dict:
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return {"status": "UP"}
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@app.get("/api/items", response_model=list[Item], tags=["items"])
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def list_items():
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return list(_store.values())
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@app.post("/api/items", response_model=Item, status_code=201, tags=["items"])
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def create_item(body: ItemRequest):
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item = Item(id=_next_id(), name=body.name, description=body.description)
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_store[item.id] = item
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return item
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@app.get("/api/items/{item_id}", response_model=Item, tags=["items"])
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def get_item(item_id: int):
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item = _store.get(item_id)
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if item is None:
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raise HTTPException(status_code=404, detail="Item not found")
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return item
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@app.put("/api/items/{item_id}", response_model=Item, tags=["items"])
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def update_item(item_id: int, body: ItemRequest):
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item = _store.get(item_id)
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if item is None:
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raise HTTPException(status_code=404, detail="Item not found")
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updated = Item(id=item_id, name=body.name, description=body.description)
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_store[item_id] = updated
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return updated
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@app.delete("/api/items/{item_id}", tags=["items"])
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def delete_item(item_id: int):
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_store.pop(item_id, None)
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return {"deleted": item_id}
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