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43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
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"""
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Database helper methods
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"""
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from tortoise import Tortoise
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from tortoise.contrib.fastapi import register_tortoise
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from common.info import Info
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class Database(object):
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"""
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Database connection singleton class
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"""
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initialized = False
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def __init__(self, initialize=False, tortoise_app=None, models=None):
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if not Database.initialized and not initialize:
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raise Exception("Database connection not initialized")
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if tortoise_app:
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register_tortoise(
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tortoise_app,
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db_url=self.conn_str(),
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modules={"models": models},
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add_exception_handlers=True,
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)
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self.initialized = True
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def conn_str(self):
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info = Info()
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return f"postgres://{info.dbuser()}:{info.dbpassword()}@{info.dbhost()}:{info.dbport()}/{info.dbname()}"
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async def init(self, models):
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if Database.initialized:
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return
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await Tortoise.init(
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db_url=self.conn_str(), use_tz=True, modules={"models": models}
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)
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self.initialized = True
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