fix: match Xingtu profile endpoints

src/content/market/audience-profile-client.ts

@@ -16,6 +16,16 @@ type FetchLike = (
   init?: RequestInit
 ) => Promise<FetchResponseLike>;
 
+export type AudienceProfileRequestTarget =
+  | {
+      linkType: number;
+      source: "audienceDistribution";
+    }
+  | {
+      authorType: number;
+      source: "fansDistribution";
+    };
+
 interface AudienceProfileClientOptions {
   baseUrl?: string;
   fetchImpl?: FetchLike;
@@ -49,10 +59,13 @@ const GENDER_LABELS: Record<string, string> = {
 const AGE_ORDER = ["18-23", "24-30", "31-40", "41-50", "50+"];
 const CITY_TIER_ORDER = ["一线", "新一线", "二线", "三线", "四线", "五线"];
 
-export const AUDIENCE_PROFILE_LINK_TYPES: Record<AudienceProfileKind, number> = {
-  audience: 3,
-  fans: 1,
-  longtimeFans: 4
+export const AUDIENCE_PROFILE_TARGETS: Record<
+  AudienceProfileKind,
+  AudienceProfileRequestTarget
+> = {
+  audience: { linkType: 5, source: "audienceDistribution" },
+  fans: { authorType: 1, source: "fansDistribution" },
+  longtimeFans: { authorType: 5, source: "fansDistribution" }
 };
 
 export function createAudienceProfileClient(
@@ -65,14 +78,14 @@ export function createAudienceProfileClient(
   return {
     async loadAudienceProfile(
       record: MarketRecord,
-      linkType: number
+      target: AudienceProfileRequestTarget
     ): Promise<AudienceProfileResult> {
       const controller = new AbortController();
       const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
 
       try {
         const response = await fetchImpl(
-          buildAudienceProfileUrl(record.authorId, baseUrl, linkType),
+          buildAudienceProfileUrl(record.authorId, baseUrl, target),
           {
             credentials: "include",
             method: "GET",
@@ -106,13 +119,22 @@ export function createAudienceProfileClient(
 export function buildAudienceProfileUrl(
   authorId: string,
   baseUrl: string,
-  linkType = 3
+  target: AudienceProfileRequestTarget
 ): string {
-  const url = new URL("/gw/api/data_sp/author_audience_distribution", baseUrl);
+  const url = new URL(
+    target.source === "audienceDistribution"
+      ? "/gw/api/data_sp/author_audience_distribution"
+      : "/gw/api/data_sp/get_author_fans_distribution",
+    baseUrl
+  );
   url.searchParams.set("o_author_id", authorId);
   url.searchParams.set("platform_source", "1");
-  url.searchParams.set("platform_channel", "1");
-  url.searchParams.set("link_type", String(linkType));
+  if (target.source === "audienceDistribution") {
+    url.searchParams.set("platform_channel", "1");
+    url.searchParams.set("link_type", String(target.linkType));
+  } else {
+    url.searchParams.set("author_type", String(target.authorType));
+  }
   return url.toString();
 }