82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
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// (C) Copyright 2015 Moodle Pty Ltd.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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import { CoreItemsManagerSource } from '@classes/items-management/items-manager-source';
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import { CoreUser, CoreUserData, CoreUserParticipant, CoreUserProvider } from '../services/user';
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/**
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* Provides a collection of course participants.
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*/
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export class CoreUserParticipantsSource extends CoreItemsManagerSource<CoreUserParticipant | CoreUserData> {
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/**
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* @inheritdoc
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*/
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static getSourceId(courseId: number, searchQuery: string | null = null): string {
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searchQuery = searchQuery ?? '__empty__';
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return `participants-${courseId}-${searchQuery}`;
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}
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readonly COURSE_ID: number;
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readonly SEARCH_QUERY: string | null;
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constructor(courseId: number, searchQuery: string | null = null) {
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super();
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this.COURSE_ID = courseId;
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this.SEARCH_QUERY = searchQuery;
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}
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/**
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* @inheritdoc
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*/
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protected async loadPageItems(page: number): Promise<{ items: (CoreUserParticipant | CoreUserData)[]; hasMoreItems: boolean }> {
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if (this.SEARCH_QUERY) {
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const { participants, canLoadMore } = await CoreUser.searchParticipants(
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this.COURSE_ID,
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this.SEARCH_QUERY,
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true,
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page,
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CoreUserProvider.PARTICIPANTS_LIST_LIMIT,
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);
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return {
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items: participants,
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hasMoreItems: canLoadMore,
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};
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}
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const { participants, canLoadMore } = await CoreUser.getParticipants(
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this.COURSE_ID,
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page * CoreUserProvider.PARTICIPANTS_LIST_LIMIT,
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CoreUserProvider.PARTICIPANTS_LIST_LIMIT,
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);
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return {
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items: participants,
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hasMoreItems: canLoadMore,
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};
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}
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/**
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* @inheritdoc
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*/
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protected getPageLength(): number {
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return CoreUserProvider.PARTICIPANTS_LIST_LIMIT;
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}
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}
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