76 lines
2.0 KiB
TypeScript
76 lines
2.0 KiB
TypeScript
// server/api/images/presets.get.ts - 预设提示词列表接口：分页返回已启用的生图预设。
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import type { IPromptPresetListData } 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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listPromptPresets,
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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 = 20;
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const MAX_PAGE_SIZE = 50;
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/**
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* GET /api/images/presets
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*
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* 流程：
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* 1. 读取 page/size 查询参数，并限制最大 pageSize。
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* 2. 只返回已启用的预设提示词，按导入顺序展示。
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* 3. 返回前端展示和填充输入所需字段，不包含内部排查信息。
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*/
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export default defineEventHandler(async (event) => {
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const logger = createApiLogger("images.presets.list");
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logger.info("开始");
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try {
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const query = getQuery(event);
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const page = normalizePositiveInt(query.page, DEFAULT_PAGE);
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const pageSize = Math.min(
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normalizePositiveInt(query.size, DEFAULT_PAGE_SIZE),
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MAX_PAGE_SIZE
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);
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logger.info("查询参数", {
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page,
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pageSize
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});
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const result = await listPromptPresets({
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page,
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pageSize
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});
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logger.done("成功", {
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page,
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pageSize,
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total: result.total,
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itemCount: result.items.length
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});
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return createSuccessResponse<IPromptPresetListData>(
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result,
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"获取预设提示词成功"
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);
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} catch (error) {
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logger.error("失败", {
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error: toSafeLogError(error)
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});
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return createUpstreamErrorResponse(error, "获取预设提示词失败");
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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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): number => {
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const rawValue = Array.isArray(value) ? value[0] : value;
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const numberValue = Number.parseInt(String(rawValue ?? ""), 10);
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return Number.isInteger(numberValue) && numberValue > 0
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? numberValue
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: fallbackValue;
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};
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