core/templates/domain/exploration/chapter-progress-summary.model.ts - develop - githubmirror/oppia

core/templates/domain/exploration/chapter-progress-summary.model.ts

71 строка2 KB

Kartik Suryavanshi

[GSoC 2026] M1.6 - Fix part of #19614: Implement checkpoint-bar for lesson card (#26390)

19 июн 2026, 08:27

19 июн 2026, 08:27026b024

// Copyright 2022 The Oppia Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * @fileoverview Model for displaying instances of frontend learner group
 * user progress domain objects.
 */

export interface ChapterProgressSummaryBackendDict {
  exploration_id: string;
  total_checkpoints_count: number;
  visited_checkpoints_count: number;
  is_chapter_complete: boolean;
}

export class ChapterProgressSummary {
  _explorationId: string;
  _totalCheckpointsCount: number;
  _visitedCheckpointsCount: number;
  _isChapterComplete: boolean;

  constructor(
    explorationId: string,
    totalCheckpointsCount: number,
    visitedCheckpointsCount: number,
    isChapterComplete: boolean
  ) {
    this._explorationId = explorationId;
    this._totalCheckpointsCount = totalCheckpointsCount;
    this._visitedCheckpointsCount = visitedCheckpointsCount;
    this._isChapterComplete = isChapterComplete;
  }

  get explorationId(): string {
    return this._explorationId;
  }

  get totalCheckpoints(): number {
    return this._totalCheckpointsCount;
  }

  get visitedCheckpoints(): number {
    return this._visitedCheckpointsCount;
  }

  get isChapterComplete(): boolean {
    return this._isChapterComplete;
  }

  static createFromBackendDict(
    chapterProgressSummaryBackendDict: ChapterProgressSummaryBackendDict
  ): ChapterProgressSummary {
    return new ChapterProgressSummary(
      chapterProgressSummaryBackendDict.exploration_id,
      chapterProgressSummaryBackendDict.total_checkpoints_count,
      chapterProgressSummaryBackendDict.visited_checkpoints_count,
      chapterProgressSummaryBackendDict.is_chapter_complete
    );
  }
}