Celes Renata
262 lines
8.7 KiB
Python
262 lines
8.7 KiB
Python
"""Symbol Registry API - FastAPI application."""
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import re
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from contextlib import asynccontextmanager
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from typing import List, Optional
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from urllib.parse import urlparse
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import asyncpg
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel, field_validator
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from services.shared.config import load_config
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from services.shared.db import get_pg_pool
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from services.shared.logging import setup_logging
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config = load_config()
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pool: Optional[asyncpg.Pool] = None
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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global pool
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setup_logging("symbol_registry", level=config.log_level, json_output=config.json_logs)
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pool = await get_pg_pool(config)
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yield
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await pool.close()
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app = FastAPI(title="Stonks Oracle - Symbol Registry", lifespan=lifespan)
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@app.get("/health")
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async def health():
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try:
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await pool.fetchval("SELECT 1")
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return {"status": "ok"}
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except Exception:
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raise HTTPException(503, "Database unavailable")
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TICKER_PATTERN = re.compile(r"^[A-Z]{1,10}$")
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VALID_SOURCE_TYPES = {"market_api", "news_api", "filings_api", "web_scrape", "broker"}
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VALID_ACCESS_POLICIES = {"internal", "public", "restricted"}
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# --- Request/Response Models ---
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class CompanyCreate(BaseModel):
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ticker: str
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legal_name: str
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exchange: Optional[str] = None
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sector: Optional[str] = None
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industry: Optional[str] = None
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market_cap_bucket: Optional[str] = None
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@field_validator("ticker")
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@classmethod
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def validate_ticker(cls, v: str) -> str:
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v = v.upper().strip()
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if not TICKER_PATTERN.match(v):
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raise ValueError(f"Ticker must be 1-10 uppercase letters, got: {v}")
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return v
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class CompanyResponse(BaseModel):
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id: str
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ticker: str
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legal_name: str
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exchange: Optional[str]
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sector: Optional[str]
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industry: Optional[str]
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market_cap_bucket: Optional[str]
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active: bool
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class AliasCreate(BaseModel):
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alias: str
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alias_type: str = "brand"
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class WatchlistCreate(BaseModel):
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name: str
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description: Optional[str] = None
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class SourceCreate(BaseModel):
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source_type: str
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source_name: str
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config: dict = {}
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credibility_score: float = 0.5
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retention_days: int = 365
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access_policy: str = "internal"
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@field_validator("source_type")
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@classmethod
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def validate_source_type(cls, v: str) -> str:
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if v not in VALID_SOURCE_TYPES:
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raise ValueError(f"source_type must be one of {VALID_SOURCE_TYPES}")
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return v
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@field_validator("access_policy")
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@classmethod
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def validate_access_policy(cls, v: str) -> str:
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if v not in VALID_ACCESS_POLICIES:
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raise ValueError(f"access_policy must be one of {VALID_ACCESS_POLICIES}")
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return v
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@field_validator("config")
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@classmethod
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def validate_config_urls(cls, v: dict) -> dict:
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"""Validate any URL fields in the config dict."""
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for key in ("base_url", "endpoint", "url"):
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if key in v and v[key]:
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parsed = urlparse(str(v[key]))
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if key == "base_url" and parsed.scheme not in ("http", "https"):
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raise ValueError(f"config.{key} must be a valid HTTP(S) URL")
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return v
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VALID_SOURCE_TYPES = {"market_api", "news_api", "filings_api", "web_scrape", "broker"}
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# --- Company Endpoints ---
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@app.post("/companies", response_model=CompanyResponse, status_code=201)
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async def create_company(body: CompanyCreate):
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try:
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row = await pool.fetchrow(
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"""INSERT INTO companies (ticker, legal_name, exchange, sector, industry, market_cap_bucket)
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VALUES ($1, $2, $3, $4, $5, $6)
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RETURNING id, ticker, legal_name, exchange, sector, industry, market_cap_bucket, active""",
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body.ticker.upper(), body.legal_name, body.exchange, body.sector,
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body.industry, body.market_cap_bucket,
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)
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except asyncpg.UniqueViolationError:
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raise HTTPException(409, f"Company {body.ticker} on {body.exchange} already exists")
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return dict(row)
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@app.get("/companies", response_model=List[CompanyResponse])
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async def list_companies(active: bool = True):
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rows = await pool.fetch(
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"SELECT id, ticker, legal_name, exchange, sector, industry, market_cap_bucket, active FROM companies WHERE active = $1 ORDER BY ticker",
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active,
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)
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return [dict(r) for r in rows]
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@app.get("/companies/{company_id}", response_model=CompanyResponse)
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async def get_company(company_id: str):
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row = await pool.fetchrow(
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"SELECT id, ticker, legal_name, exchange, sector, industry, market_cap_bucket, active FROM companies WHERE id = $1",
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company_id,
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)
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if not row:
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raise HTTPException(404, "Company not found")
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return dict(row)
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@app.put("/companies/{company_id}", response_model=CompanyResponse)
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async def update_company(company_id: str, body: CompanyCreate):
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row = await pool.fetchrow(
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"""UPDATE companies SET ticker=$2, legal_name=$3, exchange=$4, sector=$5, industry=$6, market_cap_bucket=$7, updated_at=NOW()
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WHERE id=$1
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RETURNING id, ticker, legal_name, exchange, sector, industry, market_cap_bucket, active""",
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company_id, body.ticker.upper(), body.legal_name, body.exchange,
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body.sector, body.industry, body.market_cap_bucket,
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)
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if not row:
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raise HTTPException(404, "Company not found")
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return dict(row)
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# --- Alias Endpoints ---
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@app.post("/companies/{company_id}/aliases", status_code=201)
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async def add_alias(company_id: str, body: AliasCreate):
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row = await pool.fetchrow(
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"INSERT INTO company_aliases (company_id, alias, alias_type) VALUES ($1, $2, $3) RETURNING id, alias, alias_type",
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company_id, body.alias, body.alias_type,
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)
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return dict(row)
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@app.get("/companies/{company_id}/aliases")
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async def list_aliases(company_id: str):
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rows = await pool.fetch(
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"SELECT id, alias, alias_type FROM company_aliases WHERE company_id = $1",
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company_id,
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)
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return [dict(r) for r in rows]
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# --- Watchlist Endpoints ---
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@app.post("/watchlists", status_code=201)
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async def create_watchlist(body: WatchlistCreate):
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try:
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row = await pool.fetchrow(
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"INSERT INTO watchlists (name, description) VALUES ($1, $2) RETURNING id, name, description, active",
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body.name, body.description,
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)
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except asyncpg.UniqueViolationError:
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raise HTTPException(409, f"Watchlist '{body.name}' already exists")
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return dict(row)
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@app.get("/watchlists")
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async def list_watchlists():
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rows = await pool.fetch("SELECT id, name, description, active FROM watchlists ORDER BY name")
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return [dict(r) for r in rows]
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@app.post("/watchlists/{watchlist_id}/members/{company_id}", status_code=201)
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async def add_watchlist_member(watchlist_id: str, company_id: str):
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try:
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await pool.execute(
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"INSERT INTO watchlist_members (watchlist_id, company_id) VALUES ($1, $2)",
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watchlist_id, company_id,
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)
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except asyncpg.UniqueViolationError:
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raise HTTPException(409, "Already a member")
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except asyncpg.ForeignKeyViolationError:
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raise HTTPException(404, "Watchlist or company not found")
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return {"status": "added"}
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@app.get("/watchlists/{watchlist_id}/members")
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async def list_watchlist_members(watchlist_id: str):
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rows = await pool.fetch(
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"""SELECT c.id, c.ticker, c.legal_name, c.exchange, c.sector, c.industry, c.market_cap_bucket, c.active
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FROM companies c JOIN watchlist_members wm ON c.id = wm.company_id
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WHERE wm.watchlist_id = $1 ORDER BY c.ticker""",
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watchlist_id,
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)
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return [dict(r) for r in rows]
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# --- Source Endpoints ---
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@app.post("/companies/{company_id}/sources", status_code=201)
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async def add_source(company_id: str, body: SourceCreate):
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# Verify company exists
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exists = await pool.fetchval("SELECT 1 FROM companies WHERE id = $1", company_id)
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if not exists:
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raise HTTPException(404, "Company not found")
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row = await pool.fetchrow(
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"""INSERT INTO sources (company_id, source_type, source_name, config, credibility_score, retention_days, access_policy)
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VALUES ($1, $2, $3, $4, $5, $6, $7)
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RETURNING id, source_type, source_name, credibility_score, active""",
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company_id, body.source_type, body.source_name,
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body.config, body.credibility_score, body.retention_days, body.access_policy,
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)
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return dict(row)
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@app.get("/companies/{company_id}/sources")
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async def list_sources(company_id: str):
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rows = await pool.fetch(
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"SELECT id, source_type, source_name, config, credibility_score, retention_days, access_policy, active FROM sources WHERE company_id = $1",
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company_id,
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)
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return [dict(r) for r in rows]
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