23 lines
814 B
Dart
23 lines
814 B
Dart
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// Utility functions for handling file data in chat messages.
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// Used by both user and assistant message widgets.
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/// Checks if a file map represents an image.
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/// Matches OpenWebUI behavior: type === 'image' OR content_type starts with 'image/'
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bool isImageFile(dynamic file) {
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if (file is! Map) return false;
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if (file['type'] == 'image') return true;
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final contentType = file['content_type']?.toString() ?? '';
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return contentType.startsWith('image/');
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}
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/// Extracts the file URL or ID from a file map.
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/// OpenWebUI stores either a full URL, data URL, or just the file ID.
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///
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/// Returns the URL/ID string, or null if the file has no valid URL.
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String? getFileUrl(dynamic file) {
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if (file is! Map) return null;
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final url = file['url'];
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if (url == null) return null;
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return url.toString();
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}
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