Some basic cleaning up.

app/lib/Firefly/Helper/Migration/MigrationHelper.php

@@ -13,6 +13,7 @@ class MigrationHelper implements MigrationHelperInterface
 {
     protected $path;
     protected $JSON;
+    protected $map = [];
 
     public function loadFile($path)
     {
@@ -22,20 +23,49 @@ class MigrationHelper implements MigrationHelperInterface
     public function validFile()
     {
         // file does not exist:
-        if(!file_exists($this->path)) {
+        if (!file_exists($this->path)) {
             return false;
         }
 
         // load the content:
         $content = file_get_contents($this->path);
-        if($content === false) {
+        if ($content === false) {
             return false;
         }
 
         // parse the content
         $this->JSON = json_decode($content);
-        if(is_null($this->JSON)) {
+        if (is_null($this->JSON)) {
             return false;
         }
     }
+
+    public function migrate()
+    {
+
+        // create the accounts:
+        $this->_createAccounts();
+    }
+
+    protected function _createAccounts()
+    {
+
+        $accounts = App::make('Firefly\Storage\Account\AccountRepositoryInterface');
+
+        foreach ($this->JSON->accounts as $entry) {
+            // create account:
+            if ($entry->openingbalance == 0) {
+                $account = $accounts->store(['name' => $entry->name]);
+            } else {
+                $account = $accounts->storeWithInitialBalance(
+                    ['name' => $entry->name],
+                    new Carbon($entry->openingbalancedate),
+                    floatval($entry->openingbalance)
+                );
+            }
+            if ($account) {
+                $this->map['accounts'][$entry->id] = $account->id;
+            }
+        }
+    }
 }

app/lib/Firefly/Helper/Migration/MigrationHelperInterface.php

@@ -15,4 +15,6 @@ interface MigrationHelperInterface
 
     public function validFile();
 
+    public function migrate();
+
 }