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import { parseAdminAuth } from "@/lib/api/admin-auth-context";
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import { prisma } from "@/lib/prisma";
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import { fail, ok } from "@/lib/response";
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import { AuthError } from "@/modules/auth/errors";
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import { requirePermission } from "@/modules/auth/rbac";
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import { serializeAlert } from "@/modules/alert/serializer";
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import type { AlertStatus, AlertType } from "@/modules/alert/types";
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const VALID_ALERT_TYPES: readonly AlertType[] = [
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"PRICE_DEVIATION",
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"STALE_FALLBACK",
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"RPA_FAILED",
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"RPA_CAPTCHA",
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"STRUCT_CHANGE",
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"SESSION_EXPIRED",
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"SECURITY",
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"MANUAL_FALLBACK",
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];
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const VALID_ALERT_STATUSES: readonly AlertStatus[] = ["open", "resolved"];
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function parsePagination(searchParams: URLSearchParams): {
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page: number;
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size: number;
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} | null {
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const pageRaw = searchParams.get("page");
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const sizeRaw = searchParams.get("size");
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if (!pageRaw || !sizeRaw) {
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return null;
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}
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const page = Number(pageRaw);
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const size = Number(sizeRaw);
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if (
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!Number.isInteger(page) ||
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!Number.isInteger(size) ||
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page < 1 ||
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size < 1 ||
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size > 100
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) {
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return null;
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}
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return { page, size };
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}
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function parseFilters(searchParams: URLSearchParams): {
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type?: AlertType;
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status?: AlertStatus;
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} | { error: string } {
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const typeRaw = searchParams.get("type");
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const statusRaw = searchParams.get("status");
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if (typeRaw && !VALID_ALERT_TYPES.includes(typeRaw as AlertType)) {
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return { error: "无效的预警类型" };
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}
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if (statusRaw && !VALID_ALERT_STATUSES.includes(statusRaw as AlertStatus)) {
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return { error: "无效的预警状态" };
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}
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return {
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type: typeRaw ? (typeRaw as AlertType) : undefined,
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status: statusRaw ? (statusRaw as AlertStatus) : undefined,
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};
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}
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/** GET /api/alerts — 预警列表（task-056） */
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export async function GET(request: Request) {
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let auth;
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try {
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auth = parseAdminAuth(request);
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requirePermission(auth, "alert:read");
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} catch (error) {
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if (error instanceof AuthError) {
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return fail(error.code, error.message, error.httpStatus);
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}
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throw error;
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}
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void auth;
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const searchParams = new URL(request.url).searchParams;
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const pagination = parsePagination(searchParams);
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if (!pagination) {
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return fail("VALIDATION_FAILED", "请提供有效的 page 和 size 参数", 400);
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}
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const filters = parseFilters(searchParams);
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if ("error" in filters) {
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return fail("VALIDATION_FAILED", filters.error, 400);
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}
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const where = {
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...(filters.type ? { alertType: filters.type } : {}),
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...(filters.status ? { status: filters.status } : {}),
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};
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const { page, size } = pagination;
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const [total, records] = await Promise.all([
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prisma.alertLog.count({ where }),
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prisma.alertLog.findMany({
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where,
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orderBy: { createdAt: "desc" },
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skip: (page - 1) * size,
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take: size,
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}),
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]);
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return ok({
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list: records.map(serializeAlert),
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total,
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page,
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size,
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});
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}
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