| 484 | if (media.type === 'document') { |
| 485 | if (media.mimeType) { |
| 486 | const mimeType = media.mimeType.toLowerCase(); |
| 487 | if (mimeType.includes('video/mp4')) return '.mp4'; |
| 488 | if (mimeType.includes('video/webm')) return '.webm'; |
| 489 | if (mimeType.includes('video/quicktime')) return '.mov'; |
| 490 | if (mimeType.includes('audio/mpeg')) return '.mp3'; |
| 491 | if (mimeType.includes('audio/ogg')) return '.ogg'; |
| 492 | if (mimeType.includes('image/jpeg') || mimeType.includes('image/jpg')) return '.jpg'; |
| 493 | if (mimeType.includes('image/png')) return '.png'; |
| 494 | if (mimeType.includes('image/gif')) return '.gif'; |
| 495 | if (mimeType.includes('image/webp')) return '.webp'; |
| 496 | } |
| 497 | const ext = media.fileName ? path.extname(media.fileName).toLowerCase() : ''; |
| 498 | if (ext) return ext; |
| 499 | } |
| 500 | } catch (error: unknown) { |
| 501 | logger.error(`获取文件扩展名失败:`, error); |
| 502 | } |
| 503 | |
| 504 | return '.bin'; |
| 505 | } |
| 506 | |
| 507 | private getMediaType(media: MessageMedia): string { |
| 508 | try { |
| 509 | if (!media) return 'document'; |
| 510 | |
| 511 | if (media.type === 'photo') return 'photo'; |
| 512 | if (media.type === 'video') return 'video'; |
| 513 | if (media.type === 'audio') return 'audio'; |
| 514 | if (media.type === 'voice') return 'voice'; |