yumoqing
5d4e008ec8
hasattr only checks attribute existence, but event_dispatcher can exist as None when running standalone (backend_accounting.py). Use getattr with None check instead.
47 lines
2.1 KiB
Python
47 lines
2.1 KiB
Python
from appPublic.log import debug
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from sqlor.dbpools import DBPools
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from pricing.pricing import (
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PricingProgram,
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test_pricing
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)
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from ahserver.serverenv import ServerEnv
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def _bind_pricing_events(dbpools, dbname):
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"""Bind database events to Pricing cache invalidation handlers."""
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bindings = [
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# pricing_program_timing: SQLor 事件 payload 不保证含 ppid，
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# U/C 通过 id 反查 ppid，D 需 before 预缓存供 after 刷新缓存。
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(f'{dbname}:pricing_program_timing:c:after', PricingProgram.on_timing_create),
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(f'{dbname}:pricing_program_timing:u:after', PricingProgram.reload_pp_data),
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(f'{dbname}:pricing_program_timing:d:before', PricingProgram.precache_timing_delete),
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(f'{dbname}:pricing_program_timing:d:after', PricingProgram.on_timing_delete),
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# pricing_program: 增删改均刷新该程序的全部缓存
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(f'{dbname}:pricing_program:c:after', PricingProgram.reload_pricing_program),
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(f'{dbname}:pricing_program:u:after', PricingProgram.reload_pricing_program),
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(f'{dbname}:pricing_program:d:after', PricingProgram.reload_pricing_program),
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]
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for event_name, handler in bindings:
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dbpools.bind(event_name, handler)
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debug(f'Pricing event bound: {event_name}')
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def load_pricing():
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env = ServerEnv()
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env.write_pricing_patten = PricingProgram.write_pricing_patten
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env.write_pricing_data = PricingProgram.write_pricing_data
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env.pricing_program_charging = PricingProgram.charging
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env.buffered_charging = PricingProgram.buffered_charging
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env.load_pricing_data = PricingProgram.load_pricing_data
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env.get_pricing_program = PricingProgram.get_pricing_program
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env.test_pricing = test_pricing
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# Bind hot_reload event — only when running in ahserver (event_dispatcher available)
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if getattr(env, 'event_dispatcher', None) is not None:
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env.event_dispatcher.bind('hot_reload', PricingProgram.on_hot_reload)
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dbpools = DBPools()
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dbname = env.get_module_dbname('pricing')
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if dbname:
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_bind_pricing_events(dbpools, dbname)
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debug(f'Pricing event listeners bound for database: {dbname}')
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else:
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debug('Pricing event listeners skipped: no database configured for pricing module')
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