Class BulkUpdateCommand

Source

export class BulkUpdateCommand implements Command {
  private readonly metadata: CommandMetadata;

  constructor(
    private readonly beforeState: MangaMatchResult[],
    private readonly afterState: MangaMatchResult[],
    private readonly onExecute: OnBulkExecuteCallback,
    description: string = "Bulk update",
  ) {
    // Collect all affected titles from the after state
    const affectedTitles = afterState
      .filter((result, idx) => {
        const before = beforeState[idx];
        return before && before.status !== result.status;
      })
      .map((r) => r.kenmeiManga.title);

    this.metadata = {
      type: CommandType.BATCH_OPERATION,
      timestamp: Date.now(),
      affectedTitles,
      description,
    };
  }

  /**
   * Execute the command by applying the "after" state.
   */
  execute(): void {
    this.onExecute(this.afterState);
  }

  /**
   * Undo the command by restoring the "before" state.
   */
  undo(): void {
    this.onExecute(this.beforeState);
  }

  getDescription(): string {
    return this.metadata.description;
  }

  getMetadata(): CommandMetadata {
    return this.metadata;
  }
}
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