Settings System (#46)

* feat(api): settings system

Also includes /auth/me endpoint for ticket ch76 and OpenAPI 3.0 compatibility for ch77

* refactor(api): remove unused imports

server/lib/settings.ts

@@ -0,0 +1,149 @@
+import fs from 'fs';
+import path from 'path';
+
+interface Library {
+  id: string;
+  name: string;
+  enabled: boolean;
+}
+
+interface PlexSettings {
+  name: string;
+  machineId: string;
+  ip: string;
+  port: number;
+  libraries: Library[];
+}
+
+interface DVRSettings {
+  id: number;
+  name: string;
+  hostname: string;
+  port: number;
+  apiKey: string;
+  useSsl: boolean;
+  baseUrl?: string;
+  activeProfile: string;
+  activeDirectory: string;
+  is4k: boolean;
+}
+
+export interface RadarrSettings extends DVRSettings {
+  minimumAvailability: string;
+}
+
+export interface SonarrSettings extends DVRSettings {
+  activeAnimeProfile?: string;
+  activeAnimeDirectory?: string;
+  enableSeasonFolders: boolean;
+}
+
+interface MainSettings {
+  apiKey: string;
+}
+
+interface AllSettings {
+  main: MainSettings;
+  plex: PlexSettings;
+  radarr: RadarrSettings[];
+  sonarr: SonarrSettings[];
+}
+
+const SETTINGS_PATH = path.join(__dirname, '../../config/settings.json');
+
+class Settings {
+  private data: AllSettings;
+
+  constructor(initialSettings?: AllSettings) {
+    this.data = {
+      main: {
+        apiKey: 'temp',
+      },
+      plex: {
+        name: 'Main Server',
+        ip: '127.0.0.1',
+        port: 32400,
+        machineId: '',
+        libraries: [],
+      },
+      radarr: [],
+      sonarr: [],
+    };
+    if (initialSettings) {
+      Object.assign<AllSettings, AllSettings>(this.data, initialSettings);
+    }
+  }
+
+  get main(): MainSettings {
+    return this.data.main;
+  }
+
+  set main(data: MainSettings) {
+    this.data.main = data;
+  }
+
+  get plex(): PlexSettings {
+    return this.data.plex;
+  }
+
+  set plex(data: PlexSettings) {
+    this.data.plex = data;
+  }
+
+  get radarr(): RadarrSettings[] {
+    return this.data.radarr;
+  }
+
+  set radarr(data: RadarrSettings[]) {
+    this.data.radarr = data;
+  }
+
+  get sonarr(): SonarrSettings[] {
+    return this.data.sonarr;
+  }
+
+  set sonarr(data: SonarrSettings[]) {
+    this.data.sonarr = data;
+  }
+
+  /**
+   * Settings Load
+   *
+   * This will load settings from file unless an optional argument of the object structure
+   * is passed in.
+   * @param overrideSettings If passed in, will override all existing settings with these
+   * values
+   */
+  public load(overrideSettings?: AllSettings): AllSettings {
+    if (overrideSettings) {
+      this.data = overrideSettings;
+      return this.data;
+    }
+
+    if (!fs.existsSync(SETTINGS_PATH)) {
+      this.save();
+    }
+    const data = fs.readFileSync(SETTINGS_PATH, 'utf-8');
+
+    if (data) {
+      this.data = JSON.parse(data);
+    }
+    return this.data;
+  }
+
+  public save(): void {
+    fs.writeFileSync(SETTINGS_PATH, JSON.stringify(this.data, undefined, ' '));
+  }
+}
+
+let settings: Settings | undefined;
+
+export const getSettings = (initialSettings?: AllSettings): Settings => {
+  if (!settings) {
+    settings = new Settings(initialSettings);
+  }
+
+  return settings;
+};
+
+export default Settings;