initial

src/tidal/service.ts

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+import type { TidalSong, TidalVolume } from "@dpu/shared";
+import { logWarning } from "@dpu/shared/dist/logger.js";
+import type { TidalClient } from "./client.js";
+
+export class TidalService {
+  private client: TidalClient;
+
+  constructor(client: TidalClient) {
+    this.client = client;
+  }
+
+  async getSongFormatted(): Promise<string> {
+    const song = await this.getSong();
+    if (song) {
+      const status = song.status === "playing" ? "▶️" : "⏸️";
+      return `listening to ${song.title} by ${song.artists}. ${status} ${song.current}/${song.duration}. link: ${song.url}`;
+    } else {
+      return `no song found`;
+    }
+  }
+
+  async getSong(): Promise<TidalSong | null> {
+    try {
+      const response = this.client.get<TidalSong>("current");
+
+      return response;
+    } catch {
+      logWarning("error getting song from tidal");
+      return null;
+    }
+  }
+
+  async getVolume(): Promise<TidalVolume | null> {
+    try {
+      const response = await this.client.get<TidalVolume>("volume");
+
+      return response;
+    } catch {
+      logWarning("error getting volume from tidal");
+      return null;
+    }
+  }
+
+  clamp(value: number): number {
+    return Math.min(Math.max(value, 0), 100);
+  }
+
+  async setVolume(argument: string): Promise<TidalVolume | null> {
+    const value = parseInt(argument, 10);
+    // relative
+    const adjustMatch = argument.match(/^([+-])(\d+)$/);
+    if (adjustMatch) {
+      const volume = await this.getVolume();
+      if (volume) {
+        const wantedVolume = volume.volume + value;
+        const clampWantedVolume = this.clamp(wantedVolume);
+        return await this.setVolumeToTidal(clampWantedVolume);
+      }
+    }
+
+    // absolute
+    const setMatch = argument.match(/^(\d+)$/);
+    if (setMatch) {
+      const clampValue = this.clamp(value);
+      return await this.setVolumeToTidal(clampValue);
+    }
+
+    return null;
+  }
+
+  async setVolumeToTidal(volume: number): Promise<TidalVolume | null> {
+    try {
+      const response = await this.client.post<TidalVolume>("volume", {
+        volume,
+      });
+
+      return response;
+    } catch {
+      logWarning("error setting volume from tidal");
+      return null;
+    }
+  }
+}