Start working on /account/data controller

src/db/account.js

@@ -1,3 +1,5 @@
+import { InvalidRequestError } from '../errors';
+
 const LOGGER = require('@calzoneman/jsli')('AccountDB');
 
 class AccountDB {
@@ -26,7 +28,9 @@ class AccountDB {
                     .where({ name });
 
             if (rowsUpdated === 0) {
-                throw new Error(`Cannot update: name "${name}" does not exist`);
+                throw new InvalidRequestError(
+                    `Cannot update: name "${name}" does not exist`
+                );
             }
         });
     }

src/db/channel.js

@@ -1,6 +1,7 @@
 import fs from 'fs';
 import path from 'path';
 import Promise from 'bluebird';
+import { InvalidRequestError } from '../errors';
 
 const unlinkAsync = Promise.promisify(fs.unlink);
 
@@ -41,7 +42,9 @@ class ChannelDB {
                     .first();
 
             if (existing) {
-                throw new Error(`Channel "${name}" is already registered.`);
+                throw new InvalidRequestError(
+                    `Channel "${name}" is already registered.`
+                );
             }
 
             await tx.table('channels')