| 1 | import { useMemo } from 'react' |
| 2 | import { nanoid } from 'nanoid' |
| 3 | import { useT } from '@renderer/i18n' |
| 4 | import { ipc } from '@renderer/lib/ipc' |
| 5 | import { |
| 6 | useGenerateStore, |
| 7 | useSessionDetailRuntimeStore, |
| 8 | useSessionDetailUiStore, |
| 9 | useToastStore, |
| 10 | type ImageGenerationMessage |
| 11 | } from '@renderer/store' |
| 12 | import type { GeneratedImageAsset } from '@shared/image-generation.js' |
| 13 | import { |
| 14 | buildImageMessageCacheKey, |
| 15 | imageHistoryToMessages, |
| 16 | mergeImageMessages |
| 17 | } from '../shared/imageMessageUtils' |
| 18 | import { normalizePagesForSelection } from '../shared/pageUtils' |
| 19 | |
| 20 | export function useImageGenerationActions(sessionId: string) { |
| 21 | const t = useT() |
| 22 | const currentPages = useGenerateStore((state) => state.currentPages) |
| 23 | const selectedPageId = useSessionDetailUiStore((state) => state.selectedPageId) |
| 24 | const addElement = useSessionDetailRuntimeStore((state) => state.addElement) |
| 25 | const toastSuccess = useToastStore((state) => state.success) |
| 26 | const toastError = useToastStore((state) => state.error) |
| 27 | const toastWarning = useToastStore((state) => state.warning) |
| 28 | |
| 29 | const pages = useMemo(() => normalizePagesForSelection(currentPages), [currentPages]) |
| 30 | const selectedPage = useMemo( |
| 31 | () => pages.find((page) => page.id === selectedPageId) ?? pages[0] ?? null, |
| 32 | [pages, selectedPageId] |
| 33 | ) |
| 34 | |
| 35 | const generate = async (): Promise<void> => { |
| 36 | if (!sessionId || !selectedPage?.id) { |
| 37 | toastError(t('sessionDetail.selectPageFirst')) |
| 38 | return |
| 39 | } |
| 40 | const detailState = useSessionDetailUiStore.getState() |
| 41 | const prompt = detailState.imagePrompt.trim() |
| 42 | if (!prompt) { |
| 43 | toastWarning(t('sessionDetail.imagePromptRequired')) |
| 44 | return |
| 45 | } |
| 46 | if (detailState.isGeneratingImage) return |
| 47 | |
| 48 | const pageId = selectedPage.id |
| 49 | const selectedPageKey = selectedPage.id |
| 50 | const cacheKey = buildImageMessageCacheKey(sessionId, pageId) |
| 51 | const pendingUserMessage: ImageGenerationMessage = { |
| 52 | id: `pending-image:${nanoid(8)}`, |
| 53 | role: 'user', |
| 54 | content: prompt, |
| 55 | createdAt: Math.floor(Date.now() / 1000) |
| 56 | } |
| 57 | detailState.setIsGeneratingImage(true) |
| 58 | detailState.setImageProgress({ progress: 8, label: t('sessionDetail.imageGenerating') }) |
| 59 | detailState.setImagePrompt('') |
| 60 | detailState.addImageMessage(pendingUserMessage) |
| 61 | detailState.addCachedImageMessage(cacheKey, pendingUserMessage) |
| 62 | try { |
| 63 | const result = await ipc.generateImage({ |
| 64 | sessionId, |
| 65 | pageId, |
| 66 | prompt, |
| 67 | imageModelConfigId: detailState.selectedImageModelConfigId || undefined, |
| 68 | size: detailState.imageSize, |
| 69 | count: 1 |
| 70 | }) |
| 71 | const latestState = useSessionDetailUiStore.getState() |
| 72 | const persistedMessages = imageHistoryToMessages([result.history]) |
| 73 | const visibleMessages = |
| 74 | latestState.selectedPageId === selectedPageKey ? latestState.imageMessages : [] |
| 75 | const cachedWithoutPending = mergeImageMessages( |
| 76 | latestState.imageMessageCache[cacheKey] || [], |
| 77 | visibleMessages |
| 78 | ).filter((message) => message.id !== pendingUserMessage.id) |
| 79 | const nextMessages = mergeImageMessages(cachedWithoutPending, persistedMessages) |
| 80 | latestState.cacheImageMessages(cacheKey, nextMessages) |
| 81 | if (useSessionDetailUiStore.getState().selectedPageId === selectedPageKey) { |
| 82 | latestState.setImageMessages(nextMessages) |
| 83 | } |
| 84 | detailState.setImageProgress({ progress: 100, label: t('sessionDetail.imageGenerated') }) |
| 85 | toastSuccess(t('sessionDetail.imageGenerated'), { |
| 86 | description: t('sessionDetail.imageGeneratedDescription', { |
| 87 | count: result.history.assets.length |
| 88 | }) |
| 89 | }) |
| 90 | } catch (generationError) { |
| 91 | const message = |
| 92 | generationError instanceof Error |
| 93 | ? generationError.message |
| 94 | : t('sessionDetail.imageGenerateFailed') |
| 95 | toastError(t('sessionDetail.imageGenerateFailed'), { description: message }) |
| 96 | } finally { |
| 97 | useSessionDetailUiStore.getState().setIsGeneratingImage(false) |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | const cancel = async (): Promise<void> => { |
| 102 | if (!sessionId) return |
| 103 | try { |
| 104 | await ipc.cancelImageGeneration(sessionId) |
| 105 | } finally { |
| 106 | useSessionDetailUiStore.getState().setIsGeneratingImage(false) |
| 107 | useSessionDetailUiStore.getState().setImageProgress(null) |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | const revealFile = async (filePath: string): Promise<void> => { |
| 112 | if (!sessionId || !filePath) return |
| 113 | try { |
| 114 | await ipc.revealFile(filePath, sessionId) |
| 115 | } catch (revealError) { |
| 116 | toastError(revealError instanceof Error ? revealError.message : t('common.retryLater')) |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | const addToCanvas = async (asset: GeneratedImageAsset): Promise<void> => { |
| 121 | if (!selectedPage?.pageId) { |
| 122 | toastError(t('sessionDetail.selectPageFirst')) |
| 123 | return |
| 124 | } |
| 125 | useSessionDetailUiStore.getState().setInteractionMode('edit') |
| 126 | try { |
| 127 | const added = await addElement(asset.relativePath, asset.fileName, { |
| 128 | persistImmediately: true, |
| 129 | prompt: '从生图结果添加图片到画布' |
| 130 | }) |
| 131 | if (added) { |
| 132 | useSessionDetailUiStore.getState().setWorkspaceTab('edit') |
| 133 | toastSuccess(t('sessionDetail.imageAddedToCanvas')) |
| 134 | } |
| 135 | } catch (addError) { |
| 136 | toastError(addError instanceof Error ? addError.message : t('sessionDetail.layoutSaveFailed')) |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | const setAsBackground = async (asset: GeneratedImageAsset): Promise<void> => { |
| 141 | if (!selectedPage?.pageId) { |
| 142 | toastError(t('sessionDetail.selectPageFirst')) |
| 143 | return |
| 144 | } |
| 145 | useSessionDetailUiStore.getState().setInteractionMode('edit') |
| 146 | useSessionDetailUiStore.getState().setWorkspaceTab('ai') |
| 147 | try { |
| 148 | const added = await addElement(asset.relativePath, asset.fileName, { |
| 149 | persistImmediately: true, |
| 150 | asBackground: true, |
| 151 | prompt: '从生图结果设置页面背景' |
| 152 | }) |
| 153 | if (added) toastSuccess(t('sessionDetail.imageSetAsBackground')) |
| 154 | } catch (addError) { |
| 155 | toastError(addError instanceof Error ? addError.message : t('sessionDetail.layoutSaveFailed')) |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | return { |
| 160 | selectedPage, |
| 161 | generate, |
| 162 | cancel, |
| 163 | revealFile, |
| 164 | addToCanvas, |
| 165 | setAsBackground |
| 166 | } |
| 167 | } |
| 168 |