mirror of
https://github.com/nexus-stc/hyperboria
synced 2024-12-12 20:57:47 +01:00
70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
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from typing import List
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import aiopg
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from aiokit import AioThing
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from library.aiopostgres.pool_holder import AioPostgresPoolHolder
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from recordclass import dataobject
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class DocumentData(dataobject):
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ipfs_multihashes: List[str]
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telegram_file_id: int
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class DataProvider(AioThing):
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def __init__(self, data_provider_config: dict):
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super().__init__()
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self.pool_holder = None
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if data_provider_config['enabled']:
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self.pool_holder = AioPostgresPoolHolder(
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fn=aiopg.create_pool,
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dsn=f'dbname={data_provider_config["database"]} '
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f'user={data_provider_config["username"]} '
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f'password={data_provider_config["password"]} '
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f'host={data_provider_config["host"]}',
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timeout=30,
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pool_recycle=60,
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maxsize=4,
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)
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self.waits.append(self.pool_holder)
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async def get(self, document_id):
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if not self.pool_holder:
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return
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pg_data = await self.pool_holder.execute('''
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select id, telegram_file_id, ipfs_multihashes
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from scimag
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where id = %s
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union all
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select id, telegram_file_id, ipfs_multihashes
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from scitech
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where id = %s
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''', (document_id, document_id), fetch=True)
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for _, telegram_file_id, ipfs_multihashes in pg_data:
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return DocumentData(
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ipfs_multihashes=ipfs_multihashes or [],
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telegram_file_id=telegram_file_id or '',
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)
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async def random_id(self, language):
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if not self.pool_holder:
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return
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pg_data = await self.pool_holder.execute('''
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select id from scitech
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where
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(language = %s or language = 'en')
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and original_id is null
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and is_deleted = false
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offset floor(
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random() * (
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select count(*) from scitech where
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(language = %s or language = 'en')
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and original_id is null
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and is_deleted = false
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)
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)
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limit 1;
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''', (language, language), fetch=True)
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for (id_,) in pg_data:
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return id_
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