Class BaseCommandAbstract

Source

abstract class BaseCommand implements Command {
  protected metadata: CommandMetadata;

  constructor(
    protected matchIndex: number,
    protected beforeState: MangaMatchResult,
    protected afterState: MangaMatchResult,
    protected onExecute: OnExecuteCallback,
    type: CommandType,
    description: string,
  ) {
    this.metadata = {
      type,
      timestamp: Date.now(),
      affectedTitles: [beforeState.kenmeiManga.title],
      description,
    };
  }

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

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

  /**
   * Get user-friendly description of what this command does.
   * @source
   */
  getDescription(): string {
    return this.metadata.description;
  }

  /**
   * Get metadata about this command.
   * @source
   */
  getMetadata(): CommandMetadata {
    return this.metadata;
  }
}
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