chore(config): centralize feature settings

lib/config/server.ts

@@ -0,0 +1,77 @@
+import "server-only";
+
+import {
+  optionalEnvironmentValue,
+  readFeatureEnvironment,
+  requiredEnvironmentUrl,
+} from "@/lib/config/environment";
+
+export function getCanonicalUrl() {
+  if (optionalEnvironmentValue("BASE_URL")) {
+    return requiredEnvironmentUrl("BASE_URL");
+  }
+  return requiredEnvironmentUrl("NEXTAUTH_URL");
+}
+
+export function getDiscordServerConfig() {
+  const config = readFeatureEnvironment("Discord", [
+    "DISCORD_BOT_TOKEN",
+    "DISCORD_GUILD_ID",
+  ] as const);
+  return {
+    token: config.DISCORD_BOT_TOKEN,
+    guildId: config.DISCORD_GUILD_ID,
+  };
+}
+
+export function getYoutubeFollowerConfig() {
+  const config = readFeatureEnvironment("YouTube follower counts", [
+    "YOUTUBE_API_KEY",
+    "YOUTUBE_CHANNEL_ID",
+  ] as const);
+  return { apiKey: config.YOUTUBE_API_KEY, channelId: config.YOUTUBE_CHANNEL_ID };
+}
+
+export function getRobloxFollowerConfig() {
+  return {
+    userId: readFeatureEnvironment("Roblox follower counts", [
+      "ROBLOX_USER_ID",
+    ] as const).ROBLOX_USER_ID,
+  };
+}
+
+export function getTiktokApiConfig() {
+  const accessToken = optionalEnvironmentValue("TIKTOK_ACCESS_TOKEN");
+  if (accessToken) {
+    return {
+      clientKey: null,
+      clientSecret: null,
+      refreshToken: null,
+      accessToken,
+    };
+  }
+  const config = readFeatureEnvironment("TikTok", [
+    "TIKTOK_CLIENT_KEY",
+    "TIKTOK_CLIENT_SECRET",
+    "TIKTOK_REFRESH_TOKEN",
+  ] as const);
+  return {
+    clientKey: config.TIKTOK_CLIENT_KEY,
+    clientSecret: config.TIKTOK_CLIENT_SECRET,
+    refreshToken: config.TIKTOK_REFRESH_TOKEN,
+    accessToken: null,
+  };
+}
+
+export function getYoutubePublishingConfig() {
+  const config = readFeatureEnvironment("YouTube publishing", [
+    "YOUTUBE_CLIENT_ID",
+    "YOUTUBE_CLIENT_SECRET",
+    "YOUTUBE_REFRESH_TOKEN",
+  ] as const);
+  return {
+    clientId: config.YOUTUBE_CLIENT_ID,
+    clientSecret: config.YOUTUBE_CLIENT_SECRET,
+    refreshToken: config.YOUTUBE_REFRESH_TOKEN,
+  };
+}