60 lines
2.5 KiB
Python
60 lines
2.5 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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What each channel's tappable choices can hold. Dependency-free so adapters
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(channels/base.py) and the builders (channels/interactive.py) can share it.
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"""
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from dataclasses import dataclass
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from app.channels.constants import MAX_CHOICE_LENGTH, MAX_CHOICE_OPTIONS
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@dataclass(frozen=True)
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class InteractiveLimits:
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max_buttons: int
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button_title_max: int
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body_max: int
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# Choice ids are checked in bytes: Telegram counts bytes, and so does
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# every other platform's limit once an id isn't ASCII
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id_max_bytes: int
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supports_list: bool = False
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max_list_rows: int = 0
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row_title_max: int = 0
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row_description_max: int = 0
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supports_cta: bool = False
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# Also write the choices into the text: where some of the platform's
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# apps don't show the buttons (Instagram on desktop and the web)
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options_in_text: bool = False
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# https://developers.facebook.com/docs/whatsapp/cloud-api/messages/interactive-reply-buttons-messages
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WHATSAPP_LIMITS = InteractiveLimits(
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max_buttons=3, button_title_max=20, body_max=1024, id_max_bytes=256,
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supports_list=True, max_list_rows=MAX_CHOICE_OPTIONS, row_title_max=24,
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row_description_max=MAX_CHOICE_LENGTH, supports_cta=True,
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)
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# Quick replies: https://developers.facebook.com/docs/messenger-platform/send-messages/quick-replies
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# body_max is each channel's cap on a message's text, which the adapters use too
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MESSENGER_LIMITS = InteractiveLimits(max_buttons=13, button_title_max=20, body_max=2000, id_max_bytes=1000)
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# Same quick replies, but Instagram doesn't show them on desktop or the web
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INSTAGRAM_LIMITS = InteractiveLimits(max_buttons=13, button_title_max=20, body_max=1000, id_max_bytes=1000,
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options_in_text=True)
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# Inline keyboard: https://core.telegram.org/bots/api#inlinekeyboardbutton
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TELEGRAM_LIMITS = InteractiveLimits(max_buttons=MAX_CHOICE_OPTIONS, button_title_max=64, body_max=4096,
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id_max_bytes=64)
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