forked from Ivasoft/mattermost-mobile
* Typings & PostMetadata structure * comment out unused code * Remove duplicate interface * Fix getPreferenceAsBool defaultValue
55 lines
2.2 KiB
TypeScript
55 lines
2.2 KiB
TypeScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import {Q, Query, Relation} from '@nozbe/watermelondb';
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import {field, immutableRelation, lazy} from '@nozbe/watermelondb/decorators';
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import Model, {Associations} from '@nozbe/watermelondb/Model';
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import {MM_TABLES} from '@constants/database';
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import type ChannelModel from '@typings/database/models/servers/channel';
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import type UserModel from '@typings/database/models/servers/user';
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const {CHANNEL, CHANNEL_MEMBERSHIP, USER} = MM_TABLES.SERVER;
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/**
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* The ChannelMembership model represents the 'association table' where many channels have users and many users are on
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* channels ( N:N relationship between model Users and model Channel)
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*/
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export default class ChannelMembershipModel extends Model {
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/** table (name) : ChannelMembership */
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static table = CHANNEL_MEMBERSHIP;
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/** associations : Describes every relationship to this table. */
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static associations: Associations = {
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/** A CHANNEL can have multiple USER */
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[CHANNEL]: {type: 'belongs_to', key: 'channel_id'},
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/** A USER can belong to multiple CHANNEL */
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[USER]: {type: 'belongs_to', key: 'user_id'},
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};
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/** channel_id : The foreign key to the related Channel record */
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@field('channel_id') channelId!: string;
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/* user_id: The foreign key to the related User record*/
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@field('user_id') userId!: string;
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/** memberChannel : The related channel this member belongs to */
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@immutableRelation(CHANNEL, 'channel_id') memberChannel!: Relation<ChannelModel>;
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/** memberUser : The related member belonging to the channel */
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@immutableRelation(USER, 'user_id') memberUser!: Relation<UserModel>;
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/**
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* getAllChannelsForUser - Retrieves all the channels that the user is part of
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*/
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@lazy getAllChannelsForUser = this.collections.get(CHANNEL).query(Q.on(USER, 'id', this.userId)) as Query<ChannelModel>;
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/**
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* getAllUsersInChannel - Retrieves all the users who are part of this channel
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*/
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@lazy getAllUsersInChannel = this.collections.get(USER).query(Q.on(CHANNEL, 'id', this.channelId)) as Query<UserModel>;
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}
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