28 lines
915 B
Dart
28 lines
915 B
Dart
import 'package:dio/dio.dart';
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import 'package:trainhub_flutter/core/constants/ai_constants.dart';
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/// Wraps the Nomic embedding server (llama.cpp).
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/// Returns a 768-dimensional float vector for any input text.
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class EmbeddingService {
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final _dio = Dio(
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BaseOptions(
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connectTimeout: AiConstants.embeddingConnectTimeout,
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receiveTimeout: AiConstants.embeddingReceiveTimeout,
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),
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);
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/// Returns the embedding vector for [text].
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/// Throws a [DioException] if the Nomic server is unreachable.
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Future<List<double>> embed(String text) async {
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final response = await _dio.post<Map<String, dynamic>>(
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AiConstants.embeddingApiUrl,
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data: {'input': text, 'model': AiConstants.nomicModelName},
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);
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final raw =
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(response.data!['data'] as List<dynamic>)[0]['embedding']
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as List<dynamic>;
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return raw.map((e) => (e as num).toDouble()).toList();
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}
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}
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