WhatsApp/Signal/Formstack/admin updates

packages/bridge-common/index.ts

@@ -9,3 +9,12 @@ export type {
   User,
 } from "./lib/database.js";
 export { getWorkerUtils } from "./lib/utils.js";
+export {
+  getMaxAttachmentSize,
+  getMaxTotalAttachmentSize,
+  MAX_ATTACHMENTS,
+} from "./lib/config/attachments.js";
+export {
+  getSignalAutoGroupNameTemplate,
+  buildSignalGroupName,
+} from "./lib/config/signal.js";

packages/bridge-common/lib/config/attachments.ts

@@ -0,0 +1,36 @@
+/**
+ * Attachment size configuration for messaging channels
+ *
+ * Environment variables:
+ * - BRIDGE_MAX_ATTACHMENT_SIZE_MB: Maximum size for a single attachment in MB (default: 50)
+ */
+
+/**
+ * Get the maximum attachment size in bytes from environment variable
+ * Defaults to 50MB if not set
+ */
+export function getMaxAttachmentSize(): number {
+  const envValue = process.env.BRIDGE_MAX_ATTACHMENT_SIZE_MB;
+  const sizeInMB = envValue ? parseInt(envValue, 10) : 50;
+
+  // Validate the value
+  if (isNaN(sizeInMB) || sizeInMB <= 0) {
+    console.warn(`Invalid BRIDGE_MAX_ATTACHMENT_SIZE_MB value: ${envValue}, using default 50MB`);
+    return 50 * 1024 * 1024;
+  }
+
+  return sizeInMB * 1024 * 1024;
+}
+
+/**
+ * Get the maximum total size for all attachments in a message
+ * This is 4x the single attachment size
+ */
+export function getMaxTotalAttachmentSize(): number {
+  return getMaxAttachmentSize() * 4;
+}
+
+/**
+ * Maximum number of attachments per message
+ */
+export const MAX_ATTACHMENTS = 10;

packages/bridge-common/lib/config/signal.ts

@@ -0,0 +1,29 @@
+/**
+ * Signal configuration
+ *
+ * Environment variables:
+ * - SIGNAL_AUTO_GROUP_NAME_TEMPLATE: Template for auto-created group names (default: "Support Request: {conversationId}")
+ *   Available placeholders: {conversationId}
+ */
+
+/**
+ * Get the Signal auto-group name template from environment variable
+ * Defaults to "Support Request: {conversationId}" if not set
+ */
+export function getSignalAutoGroupNameTemplate(): string {
+  const template = process.env.SIGNAL_AUTO_GROUP_NAME_TEMPLATE;
+
+  if (!template) {
+    return "Support Request: {conversationId}";
+  }
+
+  return template;
+}
+
+/**
+ * Build a Signal group name from the template and conversation ID
+ */
+export function buildSignalGroupName(conversationId: string): string {
+  const template = getSignalAutoGroupNameTemplate();
+  return template.replace('{conversationId}', conversationId);
+}

packages/bridge-common/lib/database.ts

@@ -1,19 +1,12 @@
 import { PostgresDialect, CamelCasePlugin } from "kysely";
-import type {
-  GeneratedAlways,
-  Generated,
-  ColumnType,
-  Selectable,
-} from "kysely";
+import type { GeneratedAlways, Generated, ColumnType, Selectable } from "kysely";
 import pg from "pg";
 import { KyselyAuth } from "@auth/kysely-adapter";
 const { Pool, types } = pg;
 
 type Timestamp = ColumnType<Date, Date | string>;
 
-types.setTypeParser(types.builtins.TIMESTAMPTZ, (val) =>
-  new Date(val).toISOString(),
-);
+types.setTypeParser(types.builtins.TIMESTAMPTZ, (val) => new Date(val).toISOString());
 
 type GraphileJob = {
   taskIdentifier: string;
@@ -138,15 +131,67 @@ export type VoiceLine = Selectable<Database["VoiceLine"]>;
 export type Webhook = Selectable<Database["Webhook"]>;
 export type User = Selectable<Database["User"]>;
 
-export const db = new KyselyAuth<Database>({
-  dialect: new PostgresDialect({
-    pool: new Pool({
-      host: process.env.DATABASE_HOST,
-      database: process.env.DATABASE_NAME,
-      port: parseInt(process.env.DATABASE_PORT!),
-      user: process.env.DATABASE_USER,
-      password: process.env.DATABASE_PASSWORD,
-    }),
-  }) as any,
-  plugins: [new CamelCasePlugin()],
+// Lazy database initialization to avoid errors during build time
+let _db: KyselyAuth<Database> | undefined;
+
+function getDb(): KyselyAuth<Database> {
+  if (_db) {
+    return _db;
+  }
+
+  // Validate environment variables
+  const DATABASE_HOST = process.env.DATABASE_HOST;
+  const DATABASE_NAME = process.env.DATABASE_NAME;
+  const DATABASE_PORT = process.env.DATABASE_PORT;
+  const DATABASE_USER = process.env.DATABASE_USER;
+  const DATABASE_PASSWORD = process.env.DATABASE_PASSWORD;
+
+  if (
+    !DATABASE_HOST ||
+    !DATABASE_NAME ||
+    !DATABASE_PORT ||
+    !DATABASE_USER ||
+    !DATABASE_PASSWORD
+  ) {
+    throw new Error(
+      "Missing required database environment variables: DATABASE_HOST, DATABASE_NAME, DATABASE_PORT, DATABASE_USER, DATABASE_PASSWORD",
+    );
+  }
+
+  const port = parseInt(DATABASE_PORT, 10);
+  if (isNaN(port) || port < 1 || port > 65535) {
+    throw new Error(
+      `Invalid DATABASE_PORT: ${DATABASE_PORT}. Must be a number between 1 and 65535.`,
+    );
+  }
+
+  _db = new KyselyAuth<Database>({
+    dialect: new PostgresDialect({
+      pool: new Pool({
+        host: DATABASE_HOST,
+        database: DATABASE_NAME,
+        port,
+        user: DATABASE_USER,
+        password: DATABASE_PASSWORD,
+      }),
+    }) as any,
+    plugins: [new CamelCasePlugin() as any],
+  });
+
+  return _db;
+}
+
+// Export db as a getter that lazily initializes the database
+export const db = new Proxy({} as KyselyAuth<Database>, {
+  get(_target, prop) {
+    const instance = getDb();
+    const value = (instance as any)[prop];
+
+    // If it's a function, bind it to the actual instance to preserve 'this' context
+    if (typeof value === "function") {
+      return value.bind(instance);
+    }
+
+    return value;
+  },
 });

packages/bridge-common/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@link-stack/bridge-common",
-  "version": "2.2.0",
+  "version": "3.3.0",
   "main": "build/main/index.js",
   "type": "module",
   "author": "Darren Clarke <darren@redaranj.com>",
@@ -9,14 +9,15 @@
     "build": "tsc -p tsconfig.json"
   },
   "dependencies": {
-    "@auth/kysely-adapter": "^1.5.2",
+    "@auth/kysely-adapter": "^1.10.0",
     "graphile-worker": "^0.16.6",
-    "kysely": "0.26.1",
-    "pg": "^8.13.0"
+    "kysely": "0.27.5",
+    "pg": "^8.16.3"
   },
   "devDependencies": {
-    "@link-stack/eslint-config": "*",
-    "@link-stack/typescript-config": "*",
-    "typescript": "^5.6.2"
+    "@link-stack/eslint-config": "workspace:*",
+    "@link-stack/typescript-config": "workspace:*",
+    "@types/pg": "^8.15.5",
+    "typescript": "^5.9.3"
   }
 }