| 1 | import type { |
| 2 | ImageGenerationProviderAdapter, |
| 3 | ImageGenerationResult, |
| 4 | ResolvedImageModelConfig |
| 5 | } from '../types' |
| 6 | import log from 'electron-log/main.js' |
| 7 | import { collectImageResults, joinUrl, readJsonResponse, readRecord, readString } from './utils' |
| 8 | |
| 9 | const DEFAULT_BASE_URL = 'https://apihub.agnes-ai.com/v1' |
| 10 | |
| 11 | const AGNES_SIZE_MAP: Record<string, string> = { |
| 12 | '1:1': '1024x1024', |
| 13 | '16:9': '1024x768', |
| 14 | '4:3': '1024x768' |
| 15 | } |
| 16 | |
| 17 | const buildEndpoint = (config: ResolvedImageModelConfig): string => { |
| 18 | const endpoint = readString(config.modelConfig, 'endpoint') |
| 19 | if (endpoint) return endpoint |
| 20 | |
| 21 | const baseUrl = readString(config.modelConfig, 'baseUrl') || DEFAULT_BASE_URL |
| 22 | if (/\/images\/generations$/i.test(baseUrl.replace(/\/+$/, ''))) { |
| 23 | return baseUrl.replace(/\/+$/, '') |
| 24 | } |
| 25 | return joinUrl(baseUrl, '/images/generations') |
| 26 | } |
| 27 | |
| 28 | const resolveSize = (config: ResolvedImageModelConfig, inputSize: string): string => { |
| 29 | const explicitSize = readString(config.modelConfig, 'size') |
| 30 | if (explicitSize) return explicitSize |
| 31 | return AGNES_SIZE_MAP[inputSize] || inputSize |
| 32 | } |
| 33 | |
| 34 | const buildExtraBody = (config: ResolvedImageModelConfig): Record<string, unknown> | undefined => { |
| 35 | const extraBody = { ...readRecord(config.modelConfig.extraBody) } |
| 36 | const responseFormat = readString(config.modelConfig, 'responseFormat') |
| 37 | if (responseFormat && extraBody.response_format === undefined) { |
| 38 | extraBody.response_format = responseFormat |
| 39 | } |
| 40 | return Object.keys(extraBody).length > 0 ? extraBody : undefined |
| 41 | } |
| 42 | |
| 43 | export const agnesAiAdapter: ImageGenerationProviderAdapter = { |
| 44 | async generate(config, input) { |
| 45 | const endpoint = buildEndpoint(config) |
| 46 | const model = readString(config.modelConfig, 'model') |
| 47 | const apiKey = readString(config.modelConfig, 'apiKey') |
| 48 | if (!model) throw new Error('Agnes image model is required') |
| 49 | if (!apiKey) throw new Error('Agnes API key is required') |
| 50 | |
| 51 | const requestBody = readRecord(config.modelConfig.requestBody) |
| 52 | const headers = readRecord(config.modelConfig.headers) as Record<string, string> |
| 53 | const size = resolveSize(config, input.size) |
| 54 | const requestCount = Math.max(1, input.count) |
| 55 | const results: ImageGenerationResult[] = [] |
| 56 | const startedAt = Date.now() |
| 57 | |
| 58 | log.info('[images:agnes] sync generation start', { |
| 59 | model, |
| 60 | endpoint, |
| 61 | size, |
| 62 | requestCount, |
| 63 | promptLength: input.prompt.length, |
| 64 | hasSeed: typeof input.seed === 'number' |
| 65 | }) |
| 66 | |
| 67 | for (let i = 0; i < requestCount; i += 1) { |
| 68 | const requestStartedAt = Date.now() |
| 69 | const extraBody = buildExtraBody(config) |
| 70 | const body = { |
| 71 | model, |
| 72 | prompt: input.prompt, |
| 73 | size, |
| 74 | ...(typeof input.seed === 'number' ? { seed: input.seed } : {}), |
| 75 | ...(extraBody ? { extra_body: extraBody } : {}), |
| 76 | ...requestBody |
| 77 | } |
| 78 | const response = await fetch(endpoint, { |
| 79 | method: 'POST', |
| 80 | signal: input.signal, |
| 81 | headers: { |
| 82 | authorization: `Bearer ${apiKey}`, |
| 83 | 'content-type': 'application/json', |
| 84 | ...headers |
| 85 | }, |
| 86 | body: JSON.stringify(body) |
| 87 | }) |
| 88 | const payload = await readJsonResponse(response) |
| 89 | const collected = await collectImageResults(payload, input.signal) |
| 90 | results.push(...collected) |
| 91 | log.info('[images:agnes] sync generation response', { |
| 92 | model, |
| 93 | requestIndex: i + 1, |
| 94 | collectedCount: collected.length, |
| 95 | totalCollectedCount: results.length, |
| 96 | elapsedMs: Date.now() - requestStartedAt |
| 97 | }) |
| 98 | if (results.length >= input.count) break |
| 99 | } |
| 100 | |
| 101 | if (results.length === 0) throw new Error('Agnes image generation returned no images') |
| 102 | log.info('[images:agnes] sync generation completed', { |
| 103 | model, |
| 104 | resultCount: results.length, |
| 105 | elapsedMs: Date.now() - startedAt |
| 106 | }) |
| 107 | return results.slice(0, input.count) |
| 108 | } |
| 109 | } |
| 110 |