All files / src/rules/converters pptx-converter.ts

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import * as vscode from 'vscode';
import { OfficeParser, type OfficeParserAST } from 'officeparser';
import { RuleConverter } from './converter';
import { convertContentWithAI } from '../import-service';
import { buildSystemPrompt } from './prompt-builder';
import type { CustomRule } from '../../types';
import { t } from '../../i18n/messages';
 
export class PptxConverter implements RuleConverter {
  supportedExtensions = ['.pptx'];
 
  async convert(srcPath: string, context: vscode.ExtensionContext, existingRules?: CustomRule[]): Promise<string | null> {
    let ast: OfficeParserAST;
    try {
      ast = await OfficeParser.parseOffice(srcPath);
    } catch (err) {
      const msg = err instanceof Error ? err.message : String(err);
      vscode.window.showErrorMessage(t('import.pptxReadFail', { 0: msg }));
      return null;
    }

    const text = ast.toText().trim();
    if (!text) {
      vscode.window.showErrorMessage(t('import.pptxEmpty'));
      return null;
    }

    return convertContentWithAI(text, context, buildSystemPrompt('freeform', existingRules));
  }
}