All kinds of new stuff: finished most of the importing routines, extended the database (single table inheritance) and expanded some other stuff.

app/models/Budget.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: sander
+ * Date: 05/07/14
+ * Time: 18:24
+ */
+
+class Budget extends Component {
+    protected $isSubclass = true;
+
+
+
+} 

app/models/Category.php

@@ -0,0 +1,6 @@
+<?php
+
+class Category extends Component
+{
+    protected $isSubclass = true;
+} 

app/models/Component.php

@@ -1,8 +1,12 @@
 <?php
 
 
-class Component extends Elegant
+class Component extends Firefly\Database\SingleTableInheritanceEntity
 {
+
+    protected $table = 'components';
+    protected $subclassField = 'class';
+
     public static $rules
         = [
             'user_id'           => 'exists:users,id|required',
@@ -11,15 +15,14 @@ class Component extends Elegant
         ];
 
 
-    public function componentType()
-    {
-        return $this->belongsTo('ComponentType');
-    }
-
     public function transactions()
     {
         return $this->belongsToMany('Transaction');
     }
+    public function transactionjournals()
+    {
+        return $this->belongsToMany('TransactionJournal');
+    }
 
     public function user()
     {

app/models/ComponentType.php

@@ -1,11 +0,0 @@
-<?php
-
-
-class ComponentType extends Eloquent
-{
-    public function components()
-    {
-        return $this->hasMany('Component');
-    }
-
-} 

app/models/Transaction.php

@@ -26,4 +26,13 @@ class Transaction extends Elegant
     {
         return $this->belongsToMany('Component');
     }
+
+    public function budgets()
+    {
+        return $this->belongsToMany('Budget');
+    }
+    public function categories()
+    {
+        return $this->belongsToMany('Category');
+    }
 } 

app/models/TransactionJournal.php

@@ -28,6 +28,21 @@ class TransactionJournal extends Elegant
         return $this->hasMany('Transaction');
     }
 
+    public function components()
+    {
+        return $this->belongsToMany('Component');
+    }
+
+    public function budgets()
+    {
+        return $this->belongsToMany('Budget','component_transaction_journal','transaction_journal_id','component_id');
+    }
+
+    public function categories()
+    {
+        return $this->belongsToMany('Category','component_transaction_journal','transaction_journal_id','component_id');
+    }
+
     public function getDates()
     {
         return array('created_at', 'updated_at', 'date');