54 lines
2.1 KiB
TypeScript
54 lines
2.1 KiB
TypeScript
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/*
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Copyright 2024-2026 ChatterMate
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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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/**
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* Channels served by our own widget rather than an external messaging platform.
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* Mirrors WIDGET_CHANNELS in backend/app/channels/constants.py — keep the two
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* in step. 'shopify' is the widget embedded in a storefront: a separate label
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* in the inbox, the same chat surface.
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*/
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const WIDGET_CHANNELS = ['web', 'shopify']
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/**
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* Rating is a widget-only feature. External channels (WhatsApp, Messenger,
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* Instagram, Telegram, ...) render plain text and have no rating UI, so asking
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* there leaves the customer a question they cannot answer. The backend applies
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* the same rule to AI-ended chats.
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*/
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export const canRequestRating = (channel?: string | null): boolean =>
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!channel || WIDGET_CHANNELS.includes(channel)
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/** Closing message shown to the customer when an agent ends the chat. */
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export const endChatMessage = (channel?: string | null): string =>
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canRequestRating(channel)
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? '感谢您的咨询。方便为我们的服务评分吗？'
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: '感谢您的咨询。'
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interface EndChatCandidate {
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attributes?: { end_chat?: boolean } | null
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}
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/**
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* Whether a widget message is the one that actually ends the conversation.
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*
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* `attributes.end_chat` is the only signal for this — message_type and the
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* presence of a session_id are not. The takeover notice and form prompts are
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* ordinary conversation messages that happen to carry a real session_id, and
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* treating those as an end-chat closed live conversations the moment a human
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* agent joined.
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*/
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export const isEndChatMessage = (message?: EndChatCandidate | null): boolean =>
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Boolean(message?.attributes?.end_chat)
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