225 lines
9.1 KiB
Python
225 lines
9.1 KiB
Python
from contextlib import asynccontextmanager
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import asyncio
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import os
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from sqlalchemy import func, select
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from app.config import settings
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from app.database import async_session, engine
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from app.models import Base, Show, StationConfig, HistoryEntry, TeamMember, CommunityHighlight, Underwriter
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from app.user_models import User
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from app.api import events, auth, station_config, history, team, community, shows, storage, underwriters, stats
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def _cleanup_orphaned_sequences(sync_conn):
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"""Drop model sequences whose backing table no longer exists.
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Prevents 'duplicate key value violates unique constraint' errors when
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create_all() tries to recreate a SERIAL-backed sequence for a table
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whose original sequence was left behind after a drop/recreate cycle.
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Only runs on PostgreSQL; no-op for SQLite.
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"""
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import sqlalchemy as sa
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if sync_conn.dialect.name != "postgresql":
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return
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inspector = sa.inspect(sync_conn)
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existing_tables = set(inspector.get_table_names())
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for table in Base.metadata.tables.values():
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expected_seq = f"{table.name}_id_seq"
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if table.name not in existing_tables:
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sync_conn.execute(sa.text(f"DROP SEQUENCE IF EXISTS {expected_seq}"))
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print(f" → Dropped orphaned sequence {expected_seq}")
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def _migrate_add_missing_columns(sync_conn):
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"""Add missing columns to existing tables (startup migration — no Alembic).
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Handles both SQLite and PostgreSQL. Idempotent: skips columns that already exist.
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Receives a sync SQLAlchemy Connection from engine.run_sync().
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"""
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import sqlalchemy as sa
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# Column definitions: (table, name, type, default)
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pending = [
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("station_config", "stream_url", sa.String(500), ""),
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("station_config", "stream_metadata_url", sa.String(500), ""),
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("station_config", "play_store_icon_url", sa.String(500), ""),
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("station_config", "play_store_url", sa.String(500), ""),
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("station_config", "app_store_embed_html", sa.Text, ""),
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# Color theme columns
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("station_config", "color_primary", sa.String(7), "#1a3a5c"),
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("station_config", "color_primary_light", sa.String(7), "#2a5a8c"),
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("station_config", "color_primary_dark", sa.String(7), "#0e2440"),
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("station_config", "color_primary_muted", sa.String(7), "#3a6a9c"),
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("station_config", "color_accent", sa.String(7), "#e87a2e"),
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("station_config", "color_accent_light", sa.String(7), "#f09a4e"),
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("station_config", "color_accent_dark", sa.String(7), "#c85a1e"),
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("station_config", "color_accent_muted", sa.String(7), "#f0a86a"),
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("station_config", "color_background", sa.String(7), "#faf6f0"),
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("station_config", "color_text", sa.String(7), "#3a3632"),
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("station_config", "color_success", sa.String(7), "#4a9e4f"),
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("station_config", "color_danger", sa.String(7), "#c83030"),
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("station_config", "color_info", sa.String(7), "#3a8abf"),
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("station_config", "color_white", sa.String(7), "#ffffff"),
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("station_config", "color_light", sa.String(7), "#f0ebe3"),
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("station_config", "color_medium", sa.String(7), "#8a8580"),
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("station_config", "color_black", sa.String(7), "#1a1816"),
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]
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# Determine dialect
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dialect = sync_conn.dialect.name # "sqlite" | "postgresql"
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inspector = sa.inspect(sync_conn)
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for table_name, col_name, col_type, default in pending:
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# Check if column already exists
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existing = inspector.get_columns(table_name)
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if any(c["name"] == col_name for c in existing):
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continue
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print(f" → Migrating: adding column {table_name}.{col_name}")
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# Determine SQL type from the column type object
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if isinstance(col_type, sa.Text):
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sql_type = "TEXT"
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elif isinstance(col_type, sa.String):
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sql_type = f"VARCHAR({col_type.length})"
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else:
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sql_type = "TEXT"
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if dialect == "sqlite":
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sync_conn.execute(
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sa.text(f"ALTER TABLE {table_name} ADD COLUMN \"{col_name}\" TEXT NOT NULL DEFAULT '{default}'")
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)
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else:
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sync_conn.execute(
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sa.text(f"ALTER TABLE {table_name} ADD COLUMN \"{col_name}\" {sql_type} NOT NULL DEFAULT '{default}'")
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)
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print(f" ✓ Added {table_name}.{col_name}")
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async def _ensure_station_config(session):
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"""Ensure the singleton station config row exists (idempotent)."""
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result = await session.execute(
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select(StationConfig).where(StationConfig.key == "default")
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)
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if result.scalar_one_or_none() is None:
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print(" → Station config missing — seeding defaults...")
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from seed import seed as run_seed
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# Only seed the station config, not the full dataset
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from seed import STATION_CONFIG, _upsert_station_config
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await _upsert_station_config(session, STATION_CONFIG)
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await session.commit()
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print(" ✓ Station config seeded")
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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# Create tables on startup, then patch any missing columns
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async with engine.begin() as conn:
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await conn.run_sync(_cleanup_orphaned_sequences)
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try:
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await conn.run_sync(Base.metadata.create_all)
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except Exception as e:
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if "duplicate" in str(e).lower():
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print(f" → Tables already exist (partial creation from prior restart): {e}")
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else:
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raise
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await conn.run_sync(_migrate_add_missing_columns)
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# Auto-seed if database is empty
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async with async_session() as session:
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result = await session.execute(select(func.count(Show.id)))
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count = result.scalar()
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if count == 0:
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print(" → Database is empty — running seed...")
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from seed import seed as run_seed
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await run_seed()
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print(" ✓ Full seed completed (skipping station config check)")
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# Ensure station config exists (runs even if DB already had data)
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async with async_session() as session:
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await _ensure_station_config(session)
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# Bootstrap admin user if configured
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if settings.ADMIN_USERNAME and settings.ADMIN_PASSWORD:
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async with async_session() as session:
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result = await session.execute(
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select(User).where(
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User.email == f"{settings.ADMIN_USERNAME}@local",
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User.auth_provider == "local",
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)
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)
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if result.scalar_one_or_none() is None:
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admin_user = User(
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email=f"{settings.ADMIN_USERNAME}@local",
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display_name=settings.ADMIN_USERNAME,
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auth_provider="local",
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is_admin=True,
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)
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session.add(admin_user)
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await session.commit()
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print(f" → Bootstrap admin created: {settings.ADMIN_USERNAME}")
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# Check GeoLite2 database
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geo_db = settings.GEOLITE2_DB_PATH
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if os.path.exists(geo_db):
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print(f" ✓ GeoLite2 database loaded from {geo_db}")
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else:
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print(f" WARNING: GeoLite2 database not found at {geo_db} — geo lookups will be disabled")
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# Auto-parse any unprocessed logs on startup (background task)
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async def _startup_parse():
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try:
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from app.log_parser import process_unparsed_logs
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result = await process_unparsed_logs()
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if result.get("files_processed"):
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print(f" ✓ Parsed {result['files_processed']} log files ({result['rows_inserted']} geo rows)")
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else:
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print(" No unprocessed log files to parse")
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except Exception as e:
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print(f" ERROR during startup log parse: {e}")
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asyncio.create_task(_startup_parse())
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yield
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app = FastAPI(
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title="KMountain Flower Radio API",
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description="Backend API for the KMountain Flower Radio Station website.",
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version="1.0.0",
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lifespan=lifespan,
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)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=settings.CORS_ORIGINS,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# Register routers
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app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
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app.include_router(events.router, prefix="/api/events", tags=["events"])
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app.include_router(station_config.router, prefix="/api/station-config", tags=["station-config"])
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app.include_router(history.router, prefix="/api/history", tags=["history"])
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app.include_router(team.router, prefix="/api/team", tags=["team"])
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app.include_router(community.router, prefix="/api/community", tags=["community"])
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app.include_router(shows.router, prefix="/api/shows", tags=["shows"])
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app.include_router(storage.router, prefix="/api/storage", tags=["storage"])
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app.include_router(underwriters.router, prefix="/api/underwriters", tags=["underwriters"])
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app.include_router(stats.router, prefix="/api/stats", tags=["stats"])
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# Dev-only admin router (disabled in production)
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if settings.ENV != "production":
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from app.api import admin
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app.include_router(admin.router, prefix="/api/admin", tags=["admin"])
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