feat: 补充注释
This commit is contained in:
@@ -1,27 +1,24 @@
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// server/api/images/generate.post.ts - 图片生成接口:创建记录、流式调用上游生图、归档图床并返回图片地址。
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import type {
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IImageGenerateData,
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IImageGenerateRequest
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} from "#shared/types/openai";
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import {
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askImgStream,
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clearNewApiAuthCookies,
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createApiLogger,
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createErrorResponse,
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createRunningImageGeneration,
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createSuccessResponse,
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createUpstreamErrorResponse,
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finishImageGenerationFailed,
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finishImageGenerationSuccess,
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getAiArtStudioTokenKey,
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getNewApiUserIdFromCookie,
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getUserArchiveIdentity,
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isUnauthorizedError,
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toSafeLogError,
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uploadImageFromUrl
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} from "~~/server/utils";
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type ApiLogger = ReturnType<typeof createApiLogger>;
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/**
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* POST /api/images/generate
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*
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* 流程:
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* 1. 校验请求体和 prompt,空 prompt 不创建数据库记录。
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* 2. 从 httpOnly cookie 读取当前 NewAPI 用户 ID。
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* 3. 创建 RUNNING 生图记录,并递增全局请求/进行中统计。
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* 4. 在服务端确保并读取 AIArtStudio 完整 key,完整 key 不返回前端。
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* 5. 调用 Chat Completions 流式生图接口,累积 SSE delta content 并提取最终图片 URL。
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* 6. 尝试把上游图片下载后上传到 Lsky 图床;图床失败不阻断本次生图成功。
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* 7. 成功时写入上游 URL、图床 URL、完整上游响应、图床响应和耗时。
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* 8. 失败时把记录标记为 FAILED;鉴权失败会清理本地登录态并返回 401。
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*/
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export default defineEventHandler(async (event) => {
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const logger = createApiLogger("images.generate");
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let stage = "read_body";
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@@ -46,6 +43,7 @@ export default defineEventHandler(async (event) => {
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return createErrorResponse(400, "请输入图片描述");
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}
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// 不记录完整 prompt,日志只保留长度,避免把用户输入或潜在敏感内容写进日志。
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logger.info("开始", {
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promptLength: prompt.length
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});
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@@ -54,24 +52,28 @@ export default defineEventHandler(async (event) => {
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try {
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stage = "read_user_id";
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// userId 来自服务端 httpOnly cookie,前端不能伪造请求体覆盖用户归属。
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const userId = getNewApiUserIdFromCookie(event);
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logger.info("读取用户成功", {
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userId
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});
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stage = "create_running_record";
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// 从这里开始才写数据库;参数错误和空 prompt 不会留下无效生图记录。
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record = await createRunningImageGeneration(userId, prompt);
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logger.info("创建生图记录成功", {
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recordId: record.id.toString()
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});
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stage = "get_api_key";
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// 完整 key 只在服务端内存中短暂使用,不写入响应、不写入日志。
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const apiKey = await getAiArtStudioTokenKey(event);
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logger.info("获取服务端 key 成功", {
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recordId: record.id.toString()
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});
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stage = "call_image_stream_api";
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// 上游通过 SSE 分段返回进度和最终 Markdown 图片链接,这里同步等待流结束。
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const result = await askImgStream({
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apiKey,
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prompt
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@@ -84,6 +86,7 @@ export default defineEventHandler(async (event) => {
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});
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stage = "upload_lsky";
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// 归档图床用于长期保存;失败时仍继续返回 NewAPI 上游图片 URL。
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const archiveResult = await archiveGeneratedImage({
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imageUrl: result.imageUrl,
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userId,
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@@ -129,14 +132,16 @@ export default defineEventHandler(async (event) => {
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});
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if (record) {
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await finishImageGenerationFailed(record.id, record.startedAt, error).catch(
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(recordError) => {
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logger.error("更新失败记录失败", {
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recordId: record?.id.toString() ?? null,
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error: toSafeLogError(recordError)
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});
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}
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);
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await finishImageGenerationFailed(
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record.id,
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record.startedAt,
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error
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).catch((recordError) => {
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logger.error("更新失败记录失败", {
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recordId: record?.id.toString() ?? null,
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error: toSafeLogError(recordError)
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});
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});
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}
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if (isUnauthorizedError(error)) {
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@@ -144,10 +149,12 @@ export default defineEventHandler(async (event) => {
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return createErrorResponse(401, "未登录");
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}
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// 统一把上游错误包成前端约定的响应结构,避免泄露 key/cookie。
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return createUpstreamErrorResponse(error, "图片生成失败");
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}
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});
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/** 将生成图上传到 Lsky,返回图床地址;归档失败时降级为空结果 */
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const archiveGeneratedImage = async ({
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imageUrl,
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userId,
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@@ -193,7 +200,7 @@ const archiveGeneratedImage = async ({
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hostedImageUrl: null,
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imageMimeType: null,
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hostedResponse: null,
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errorMessage: "图片生成成功,但图床归档失败"
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errorMessage: "图片生成成功,但图片归档失败"
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};
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}
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};
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@@ -212,6 +219,7 @@ const getStreamContentLength = (upstreamResponse: unknown) => {
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return 0;
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};
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/** 判断流式上游响应里是否包含 usage,用于日志确认上游是否正常结束 */
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const hasStreamUsage = (upstreamResponse: unknown) => {
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return (
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upstreamResponse !== null &&
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@@ -1,20 +1,19 @@
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// server/api/images/history.get.ts - 生图历史列表接口:分页返回当前用户未软删除的记录。
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import type { IImageHistoryListData } from "#shared/types/openai";
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import {
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clearNewApiAuthCookies,
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createApiLogger,
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createErrorResponse,
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createSuccessResponse,
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createUpstreamErrorResponse,
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getNewApiUserIdFromCookie,
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isUnauthorizedError,
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listImageGenerationHistory,
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toSafeLogError
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} from "~~/server/utils";
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const DEFAULT_PAGE = 1;
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const DEFAULT_PAGE_SIZE = 10;
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const MAX_PAGE_SIZE = 50;
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/**
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* GET /api/images/history
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*
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* 流程:
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* 1. 从 httpOnly cookie 读取当前用户 ID。
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* 2. 读取 page/size 查询参数,并限制最大 pageSize,避免一次查太多。
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* 3. 只查询当前用户且未软删除的记录,按创建时间倒序返回。
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* 4. 列表不返回完整上游响应或图床响应,详情接口再返回这些调试数据。
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*/
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export default defineEventHandler(async (event) => {
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const logger = createApiLogger("images.history.list");
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logger.info("开始");
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@@ -68,6 +67,7 @@ export default defineEventHandler(async (event) => {
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}
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});
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/** 将 query 参数归一化为正整数,非法值回退到默认值 */
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const normalizePositiveInt = (
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value: unknown,
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fallbackValue: number
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@@ -1,3 +1,4 @@
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// server/api/images/history/[id].delete.ts - 生图历史删除接口:软删除当前用户的单条记录。
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import {
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clearNewApiAuthCookies,
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createApiLogger,
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@@ -10,6 +11,15 @@ import {
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toSafeLogError
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} from "~~/server/utils";
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/**
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* DELETE /api/images/history/:id
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*
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* 流程:
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* 1. 从 httpOnly cookie 读取当前用户 ID。
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* 2. 校验路由参数 id 必须是数字。
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* 3. 只软删除当前用户且未删除的记录,避免越权删除其他用户历史。
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* 4. 找不到记录时返回 404,数据库中保留原始记录和 deletedAt。
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*/
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export default defineEventHandler(async (event) => {
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const logger = createApiLogger("images.history.delete");
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logger.info("开始");
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@@ -55,6 +65,7 @@ export default defineEventHandler(async (event) => {
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}
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});
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/** 校验并解析路由里的生图记录 ID */
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const parseRecordId = (value: string | undefined): bigint => {
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if (!value || !/^\d+$/.test(value)) {
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throw createError({
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@@ -1,3 +1,4 @@
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// server/api/images/history/[id].get.ts - 生图历史详情接口:返回当前用户单条记录和完整响应。
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import type { IImageHistoryDetail } from "#shared/types/openai";
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import {
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clearNewApiAuthCookies,
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@@ -11,6 +12,15 @@ import {
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toSafeLogError
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} from "~~/server/utils";
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/**
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* GET /api/images/history/:id
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*
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* 流程:
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* 1. 从 httpOnly cookie 读取当前用户 ID。
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* 2. 校验路由参数 id 必须是数字,并转成 BigInt 查询。
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* 3. 只允许读取当前用户、未软删除的记录。
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* 4. 返回详情时包含完整上游响应和 Lsky 响应,便于排查单次生图问题。
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*/
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export default defineEventHandler(async (event) => {
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const logger = createApiLogger("images.history.detail");
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logger.info("开始");
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@@ -61,6 +71,7 @@ export default defineEventHandler(async (event) => {
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}
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});
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/** 校验并解析路由里的生图记录 ID */
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const parseRecordId = (value: string | undefined): bigint => {
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if (!value || !/^\d+$/.test(value)) {
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throw createError({
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@@ -1,12 +1,14 @@
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// server/api/images/stats.get.ts - 生图统计接口:返回全局生图请求与成功失败统计。
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import type { IImageGenerationStatsData } from "#shared/types/openai";
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import {
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createApiLogger,
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createSuccessResponse,
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createUpstreamErrorResponse,
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getGenerationStats,
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toSafeLogError
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} from "~~/server/utils";
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/**
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* GET /api/images/stats
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*
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* 流程:
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* 1. 读取 GenerationStats 的 global 单行统计。
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* 2. 没有统计行时返回全 0,避免前端需要处理空状态。
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* 3. 该接口返回全局统计,不包含用户输入、图片地址或上游响应。
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*/
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export default defineEventHandler(async () => {
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const logger = createApiLogger("images.stats");
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logger.info("开始");
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