Files
meilie_updater/src/app/services.py

111 lines
3.1 KiB
Python

import asyncio
import concurrent.futures
from arq.connections import ArqRedis
import asyncpg
from meilisearch import Client
from core.config import env_config
def get_meilisearch_client() -> Client:
return Client(url=env_config.MEILI_HOST, api_key=env_config.MEILI_MASTER_KEY)
async def get_postgres_pool() -> asyncpg.Pool:
return await asyncpg.create_pool( # type: ignore
database=env_config.POSTGRES_DB_NAME,
host=env_config.POSTGRES_HOST,
port=env_config.POSTGRES_PORT,
user=env_config.POSTGRES_USER,
password=env_config.POSTGRES_PASSWORD,
)
async def update_books(ctx) -> bool:
loop = asyncio.get_event_loop()
meili = get_meilisearch_client()
index = meili.index("books")
postgres_pool = await get_postgres_pool()
with concurrent.futures.ThreadPoolExecutor() as pool:
count = await postgres_pool.fetchval("SELECT count(*) FROM books;")
for offset in range(0, count, 4096):
rows = await postgres_pool.fetch(
"SELECT id, title, is_deleted FROM books"
f" ORDER BY id LIMIT 4096 OFFSET {offset}"
)
documents = [dict(row) for row in rows]
await loop.run_in_executor(pool, index.add_documents, documents)
index.update_searchable_attributes(["title"])
index.update_filterable_attributes(["is_deleted"])
return True
async def update_authors(ctx) -> bool:
loop = asyncio.get_event_loop()
meili = get_meilisearch_client()
index = meili.index("authors")
postgres_pool = await get_postgres_pool()
with concurrent.futures.ThreadPoolExecutor() as pool:
count = await postgres_pool.fetchval("SELECT count(*) FROM authors;")
for offset in range(0, count, 4096):
rows = await postgres_pool.fetch(
"SELECT id, first_name, last_name, middle_name FROM authors"
f" ORDER BY id LIMIT 4096 OFFSET {offset}"
)
documents = [dict(row) for row in rows]
await loop.run_in_executor(pool, index.add_documents, documents)
index.update_searchable_attributes(["first_name", "last_name", "middle_name"])
return True
async def update_sequences(ctx) -> bool:
loop = asyncio.get_event_loop()
meili = get_meilisearch_client()
index = meili.index("sequences")
postgres_pool = await get_postgres_pool()
with concurrent.futures.ThreadPoolExecutor() as pool:
count = await postgres_pool.fetchval("SELECT count(*) FROM sequences;")
for offset in range(0, count, 4096):
rows = await postgres_pool.fetch(
f"SELECT id, name FROM sequences ORDER BY id LIMIT 4096 OFFSET {offset}"
)
documents = [dict(row) for row in rows]
await loop.run_in_executor(pool, index.add_documents, documents)
index.update_searchable_attributes(["name"])
return True
async def update(ctx) -> bool:
arq_pool: ArqRedis = ctx["arc_pool"]
await arq_pool.enqueue_job("update_books")
await arq_pool.enqueue_job("update_authors")
await arq_pool.enqueue_job("update_sequences")
return True