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108 lines
2.0 KiB
TypeScript
108 lines
2.0 KiB
TypeScript
import {
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getModelForClass,
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prop,
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DocumentType,
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Ref,
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ReturnModelType,
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modelOptions,
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Severity,
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index,
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} from '@typegoose/typegoose';
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import { Group } from '../group/group';
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import { Base, TimeStamps } from '@typegoose/typegoose/lib/defaultClasses';
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import { Converse } from './converse';
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import { User } from '../user/user';
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import type { FilterQuery, Types } from 'mongoose';
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import type { MessageMetaStruct } from 'tailchat-server-sdk';
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class MessageReaction {
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/**
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* 消息反应名
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* 可以直接为emoji表情
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*/
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@prop()
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name: string;
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@prop({ ref: () => User })
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author?: Ref<User>;
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}
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@modelOptions({
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options: {
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allowMixed: Severity.ALLOW,
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},
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})
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@index({ createdAt: -1 })
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@index({ converseId: 1, _id: -1 }) // for fetchConverseMessage
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export class Message extends TimeStamps implements Base {
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_id: Types.ObjectId;
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id: string;
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@prop()
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content: string;
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@prop({ ref: () => User })
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author?: Ref<User>;
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@prop({ ref: () => Group })
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groupId?: Ref<Group>;
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/**
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* 会话ID 必填
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* 私信的本质就是创建一个双人的会话
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*/
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@prop({ ref: () => Converse, index: true })
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converseId!: Ref<Converse>;
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@prop({ type: () => MessageReaction })
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reactions?: MessageReaction[];
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/**
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* 是否已撤回
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*/
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@prop({
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default: false,
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})
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hasRecall: boolean;
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/**
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* 消息的其他数据
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*/
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@prop()
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meta?: MessageMetaStruct;
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/**
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* 获取会话消息
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*/
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static async fetchConverseMessage(
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this: ReturnModelType<typeof Message>,
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converseId: string,
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startId: string | null,
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limit = 50
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) {
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const conditions: FilterQuery<MessageDocument> = {
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converseId,
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};
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if (startId !== null) {
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conditions['_id'] = {
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$lt: startId,
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};
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}
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const res = await this.find({ ...conditions })
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.sort({ _id: -1 })
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.limit(limit)
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.exec();
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return res;
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}
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}
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export type MessageDocument = DocumentType<Message>;
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const model = getModelForClass(Message);
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export type MessageModel = typeof model;
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export default model;
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