feat: add osu! version and release stream retrieval, along with skins count functionality

src/lib/api/osuapi.ts

@@ -0,0 +1,33 @@
+import type { StreamsResult } from '@/types';
+import { betterFetch } from '@better-fetch/fetch';
+
+const API_ENDPOINT = 'https://osu.ppy.sh/api/';
+
+const timeout = 5000; // 5 seconds;
+
+export const osuapi = {
+  latestBuildVersion: async (releaseStream: string): Promise<string | undefined> => {
+    const request = await betterFetch<StreamsResult>(`${API_ENDPOINT}v2/changelog`, {
+      timeout,
+      query: {
+        stream: 'none',
+      },
+      headers: {
+        'Content-Type': 'application/json',
+        'User-Agent': 'EZPPLauncher',
+      },
+    });
+    if (request.error) {
+      if (request.error.status >= 500 && request.error.status < 600)
+        throw new Error('Server not reachable');
+      return undefined;
+    }
+    const releaseData = request.data;
+    const selectedRelease = releaseData.streams.find(
+      (releaseBuild) =>
+        releaseBuild.name.toLowerCase() === releaseStream.replaceAll(' ', '').toLowerCase()
+    );
+    if (!selectedRelease) return undefined;
+    return selectedRelease.latest_build.display_version;
+  },
+};

src/lib/global.ts

@@ -15,6 +15,10 @@ export const serverConnectionFails = writable(0);
 export const onlineFriends = writable<number | undefined>(undefined);
 
 export const beatmapSets = writable<number | undefined>(undefined);
+export const skins = writable<number | undefined>(undefined);
+
+export const osuStream = writable<string | undefined>(undefined);
+export const osuBuild = writable<string | undefined>(undefined);
 
 export const setupValues = () => {
   updatePing();

src/lib/types.ts

@@ -95,3 +95,27 @@ export type EZPPUserInfo = {
     time: Date;
   }[];
 };
+
+export type StreamsResult = {
+  streams: {
+    id: number;
+    name: string;
+    display_name: string;
+    is_featured: boolean;
+    latest_build: {
+      created_at: Date;
+      display_version: string;
+      id: number;
+      users: number;
+      version: string;
+      youtube_id: null | string;
+      update_stream: {
+        id: number;
+        name: string;
+        display_name: string;
+        is_featured: boolean;
+      };
+    };
+    user_count: number;
+  }[];
+};

src/lib/utils.ts

@@ -50,3 +50,31 @@ export const formatTimeReadable = (initialSeconds: number) => {
 
   return result.trim();
 };
+
+export const releaseStreamToReadable = (releaseStream: string) => {
+  if (releaseStream.toLowerCase() === 'cuttingedge') return 'Cutting Edge';
+  return 'Stable';
+};
+
+export const compareBuildNumbers = (current: string, target: string): number => {
+  const parse = (version: string): [number, number] => {
+    const cleaned = version.split(/[^0-9.]/)[0];
+
+    const [baseStr, hotfixStr] = cleaned.split('.');
+    const base = parseInt(baseStr, 10);
+    const hotfix = hotfixStr ? parseInt(hotfixStr, 10) : 0;
+
+    return [base, hotfix];
+  };
+
+  const [currentBase, currentHotfix] = parse(current);
+  const [targetBase, targetHotfix] = parse(target);
+
+  if (targetBase > currentBase) {
+    return targetBase - currentBase + targetHotfix;
+  } else if (targetBase === currentBase) {
+    return targetHotfix - currentHotfix;
+  } else {
+    return -1;
+  }
+};