useCachedFetch hook for trending api calls

packages/app/src/External/NostrBand.ts

@@ -1,105 +1,20 @@
-import { throwIfOffline } from "@snort/shared";
-import { NostrEvent } from "@snort/system";
-
-export interface TrendingUser {
-  pubkey: string;
-}
-
-export interface TrendingUserResponse {
-  profiles: Array<TrendingUser>;
-}
-
-export interface TrendingNote {
-  event: NostrEvent;
-  author: NostrEvent; // kind0 event
-}
-
-export interface TrendingNoteResponse {
-  notes: Array<TrendingNote>;
-}
-
-export interface TrendingHashtagsResponse {
-  hashtags: Array<{
-    hashtag: string;
-    posts: number;
-  }>;
-}
-
-export interface SuggestedFollow {
-  pubkey: string;
-}
-
-export interface SuggestedFollowsResponse {
-  profiles: Array<SuggestedFollow>;
-}
-
-export class NostrBandError extends Error {
-  body: string;
-  statusCode: number;
-
-  constructor(message: string, body: string, status: number) {
-    super(message);
-    this.body = body;
-    this.statusCode = status;
-  }
-}
-
 export default class NostrBandApi {
   readonly #url = "https://api.nostr.band";
   readonly #supportedLangs = ["en", "de", "ja", "zh", "th", "pt", "es", "fr"];
-  async trendingProfiles() {
-    return await this.#json<TrendingUserResponse>("GET", "/v0/trending/profiles");
+
+  trendingProfilesUrl() {
+    return `${this.#url}/v0/trending/profiles`;
   }
 
-  async trendingNotes(lang?: string) {
-    if (lang && this.#supportedLangs.includes(lang)) {
-      return await this.#json<TrendingNoteResponse>("GET", `/v0/trending/notes?lang=${lang}`);
-    }
-    return await this.#json<TrendingNoteResponse>("GET", "/v0/trending/notes");
+  trendingNotesUrl(lang?: string) {
+    return `${this.#url}/v0/trending/notes${lang && this.#supportedLangs.includes(lang) ? `?lang=${lang}` : ""}`;
   }
 
-  async sugguestedFollows(pubkey: string) {
-    return await this.#json<SuggestedFollowsResponse>("GET", `/v0/suggested/profiles/${pubkey}`);
+  suggestedFollowsUrl(pubkey: string) {
+    return `${this.#url}/v0/suggested/profiles/${pubkey}`;
   }
 
-  async trendingHashtags(lang?: string) {
-    if (lang && this.#supportedLangs.includes(lang)) {
-      return await this.#json<TrendingHashtagsResponse>("GET", `/v0/trending/hashtags?lang=${lang}`);
-    }
-    return await this.#json<TrendingHashtagsResponse>("GET", "/v0/trending/hashtags");
-  }
-
-  async #json<T>(method: string, path: string) {
-    throwIfOffline();
-
-    const storageKey = `nostr-band-${path}`;
-    const cachedData = localStorage.getItem(storageKey);
-    if (cachedData) {
-      const parsedData = JSON.parse(cachedData);
-      const { timestamp, data } = parsedData;
-
-      const ageInMinutes = (new Date().getTime() - timestamp) / 1000 / 60;
-      if (ageInMinutes < 15) {
-        return data as T;
-      }
-    }
-
-    try {
-      const res = await fetch(`${this.#url}${path}`, { method: method ?? "GET" });
-      if (res.ok) {
-        const data = (await res.json()) as T;
-        // Cache the new data with a timestamp
-        localStorage.setItem(storageKey, JSON.stringify({ data, timestamp: new Date().getTime() }));
-        return data;
-      } else {
-        throw new NostrBandError("Failed to load content from nostr.band", await res.text(), res.status);
-      }
-    } catch (error) {
-      if (cachedData) {
-        return JSON.parse(cachedData).data as T;
-      } else {
-        throw error;
-      }
-    }
+  trendingHashtagsUrl(lang?: string) {
+    return `${this.#url}/v0/trending/hashtags${lang && this.#supportedLangs.includes(lang) ? `?lang=${lang}` : ""}`;
   }
 }

packages/app/src/External/SemisolDev.ts

@@ -1,46 +1,8 @@
-import { throwIfOffline } from "@snort/shared";
-
-export interface RecommendedProfilesResponse {
-  quality: number;
-  recommendations: Array<[pubkey: string, score: number]>;
-}
-
-export class SemisolDevApiError extends Error {
-  body: string;
-  statusCode: number;
-
-  constructor(message: string, body: string, status: number) {
-    super(message);
-    this.body = body;
-    this.statusCode = status;
-  }
-}
-
 export default class SemisolDevApi {
   readonly #url = "https://api.semisol.dev";
 
-  async sugguestedFollows(pubkey: string, follows: Array<string>) {
-    return await this.#json<RecommendedProfilesResponse>("POST", "/nosgraph/v1/recommend", {
-      pubkey,
-      exclude: [],
-      following: follows,
-    });
-  }
-
-  async #json<T>(method: string, path: string, body?: unknown) {
-    throwIfOffline();
-    const url = `${this.#url}${path}`;
-    const res = await fetch(url, {
-      method: method ?? "GET",
-      body: body ? JSON.stringify(body) : undefined,
-      headers: {
-        ...(body ? { "content-type": "application/json" } : {}),
-      },
-    });
-    if (res.ok) {
-      return (await res.json()) as T;
-    } else {
-      throw new SemisolDevApiError(`Failed to load content from ${url}`, await res.text(), res.status);
-    }
+  suggestedFollowsUrl(pubkey: string, follows: Array<string>) {
+    const query = new URLSearchParams({ pubkey, follows: JSON.stringify(follows) });
+    return `${this.#url}/nosgraph/v1/recommend?${query.toString()}`;
   }
 }