53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
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"""
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Copyright 2024-2026 ReplyPier
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from typing import Dict, Optional
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from app.channels.base import ChannelAdapter
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_adapters: Dict[str, ChannelAdapter] = {}
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def register_adapter(adapter: ChannelAdapter) -> ChannelAdapter:
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"""Register a stateless adapter singleton for its channel_type."""
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_adapters[adapter.channel_type] = adapter
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return adapter
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def get_adapter(channel_type: str) -> Optional[ChannelAdapter]:
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"""Adapter for a channel, or None for channels without one ('web')."""
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_ensure_loaded()
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return _adapters.get(channel_type)
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_loaded = False
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def _ensure_loaded() -> None:
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"""Import adapter modules on first use (each registers itself).
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Lazy so importing app.channels never pulls every adapter's deps."""
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global _loaded
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if _loaded:
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return
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_loaded = True
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from app.channels import telegram # noqa: F401
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from app.channels import whatsapp # noqa: F401
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from app.channels import messenger # noqa: F401
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from app.channels import instagram # noqa: F401
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from app.channels import slack # noqa: F401
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from app.channels import email # noqa: F401
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from app.channels import sms # noqa: F401
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from app.channels import line # noqa: F401
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