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| 1 | +/** |
| 2 | + * ModelsDevService - models.dev API 服务 |
| 3 | + * 获取 80+ LLM Provider 及其内置模型列表 |
| 4 | + */ |
| 5 | + |
| 6 | +import { createLogger, LogCategory } from '../logging/Logger.js'; |
| 7 | +import type { |
| 8 | + ModelOption, |
| 9 | + ModelsDevData, |
| 10 | + ProviderOption |
| 11 | +} from '../ui/components/model-config/types.js'; |
| 12 | +import { |
| 13 | + DEFAULT_BASE_URLS, |
| 14 | + getBladeProvider, |
| 15 | + POPULAR_PROVIDERS, |
| 16 | + PROVIDER_ICONS, |
| 17 | +} from '../ui/components/model-config/types.js'; |
| 18 | + |
| 19 | +const logger = createLogger(LogCategory.SERVICE); |
| 20 | +const MODELS_DEV_API = 'https://models.dev/api.json'; |
| 21 | +const CACHE_TTL = 1000 * 60 * 60; // 1 hour |
| 22 | + |
| 23 | +interface CacheEntry { |
| 24 | + data: ModelsDevData; |
| 25 | + timestamp: number; |
| 26 | +} |
| 27 | + |
| 28 | +let cache: CacheEntry | null = null; |
| 29 | + |
| 30 | +export const fetchModelsDevData = async (): Promise<ModelsDevData> => { |
| 31 | + if (cache && Date.now() - cache.timestamp < CACHE_TTL) { |
| 32 | + return cache.data; |
| 33 | + } |
| 34 | + |
| 35 | + try { |
| 36 | + logger.info('📡 Fetching models.dev data...'); |
| 37 | + const response = await fetch(MODELS_DEV_API, { |
| 38 | + headers: { 'User-Agent': 'Blade-CLI/1.0' }, |
| 39 | + }); |
| 40 | + |
| 41 | + if (!response.ok) { |
| 42 | + throw new Error(`HTTP ${response.status}: ${response.statusText}`); |
| 43 | + } |
| 44 | + |
| 45 | + const data = (await response.json()) as ModelsDevData; |
| 46 | + cache = { data, timestamp: Date.now() }; |
| 47 | + logger.info(`✅ Loaded ${Object.keys(data).length} providers from models.dev`); |
| 48 | + return data; |
| 49 | + } catch (error) { |
| 50 | + logger.error('❌ Failed to fetch models.dev data:', error); |
| 51 | + throw error; |
| 52 | + } |
| 53 | +}; |
| 54 | + |
| 55 | +export const getProviders = async (): Promise<ProviderOption[]> => { |
| 56 | + const data = await fetchModelsDevData(); |
| 57 | + const providers: ProviderOption[] = []; |
| 58 | + |
| 59 | + for (const [id, provider] of Object.entries(data)) { |
| 60 | + const modelCount = Object.keys(provider.models || {}).length; |
| 61 | + if (modelCount === 0) continue; |
| 62 | + |
| 63 | + providers.push({ |
| 64 | + id, |
| 65 | + name: provider.name || id, |
| 66 | + icon: PROVIDER_ICONS[id] || PROVIDER_ICONS.default, |
| 67 | + description: `${modelCount} 个模型`, |
| 68 | + isOAuth: false, |
| 69 | + envVars: provider.env || [], |
| 70 | + docUrl: provider.doc, |
| 71 | + defaultBaseUrl: DEFAULT_BASE_URLS[id], |
| 72 | + bladeProvider: getBladeProvider(id), |
| 73 | + }); |
| 74 | + } |
| 75 | + |
| 76 | + return providers.sort((a, b) => { |
| 77 | + const aPopular = POPULAR_PROVIDERS.indexOf(a.id as (typeof POPULAR_PROVIDERS)[number]); |
| 78 | + const bPopular = POPULAR_PROVIDERS.indexOf(b.id as (typeof POPULAR_PROVIDERS)[number]); |
| 79 | + if (aPopular !== -1 && bPopular !== -1) return aPopular - bPopular; |
| 80 | + if (aPopular !== -1) return -1; |
| 81 | + if (bPopular !== -1) return 1; |
| 82 | + return a.name.localeCompare(b.name); |
| 83 | + }); |
| 84 | +}; |
| 85 | + |
| 86 | +export const getModelsForProvider = async (providerId: string): Promise<ModelOption[]> => { |
| 87 | + const data = await fetchModelsDevData(); |
| 88 | + const provider = data[providerId]; |
| 89 | + |
| 90 | + if (!provider?.models) { |
| 91 | + logger.warn(`⚠️ No models found for provider: ${providerId}`); |
| 92 | + return []; |
| 93 | + } |
| 94 | + |
| 95 | + return Object.values(provider.models).map((model) => ({ |
| 96 | + id: model.id, |
| 97 | + name: model.name || model.id, |
| 98 | + contextWindow: model.limit?.context, |
| 99 | + maxOutput: model.limit?.output, |
| 100 | + inputCost: model.cost?.input, |
| 101 | + outputCost: model.cost?.output, |
| 102 | + })); |
| 103 | +}; |
| 104 | + |
| 105 | + |
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