55 lines
1.7 KiB
Dart
55 lines
1.7 KiB
Dart
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import 'package:freezed_annotation/freezed_annotation.dart';
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import '../utils/json_parsing.dart';
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part 'knowledge_base_file.freezed.dart';
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/// A file within a knowledge base.
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///
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/// The new WebUI API returns files from a dedicated endpoint with pagination.
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/// Files are deduplicated by content hash (not filename).
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@freezed
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sealed class KnowledgeBaseFile with _$KnowledgeBaseFile {
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const factory KnowledgeBaseFile({
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required String id,
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required String filename,
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Map<String, dynamic>? meta,
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required DateTime createdAt,
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DateTime? updatedAt,
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/// Content hash used for server-side deduplication.
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String? contentHash,
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}) = _KnowledgeBaseFile;
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/// Creates a [KnowledgeBaseFile] from JSON, handling various API formats.
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factory KnowledgeBaseFile.fromJson(Map<String, dynamic> json) {
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return KnowledgeBaseFile(
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id: json['id'] as String,
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filename: _extractFilename(json),
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meta: json['meta'] as Map<String, dynamic>?,
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createdAt: parseDateTime(json['created_at'] ?? json['createdAt']),
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updatedAt: parseDateTimeOrNull(json['updated_at'] ?? json['updatedAt']),
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contentHash:
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(json['hash'] ?? json['content_hash'] ?? json['contentHash'])
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as String?,
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);
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}
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}
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/// Extracts filename from various possible locations in the JSON.
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String _extractFilename(Map<String, dynamic> json) {
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if (json.containsKey('filename')) {
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return json['filename'] as String? ?? 'Unknown';
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}
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if (json.containsKey('name')) {
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return json['name'] as String? ?? 'Unknown';
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}
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// Check nested meta object
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final meta = json['meta'];
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if (meta is Map) {
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final name = meta['name'] ?? meta['filename'];
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if (name is String) return name;
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}
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return 'Unknown';
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}
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