Build administration-compatible budget chart.

app/Models/Budget.php

@@ -99,7 +99,7 @@ class Budget extends Model
             'encrypted'  => 'boolean',
         ];
     /** @var array Fields that can be filled */
-    protected $fillable = ['user_id', 'name', 'active', 'order'];
+    protected $fillable = ['user_id', 'name', 'active', 'order', 'user_group_id'];
     /** @var array Hidden from view */
     protected $hidden = ['encrypted'];
 

app/Models/TransactionGroup.php

@@ -130,4 +130,12 @@ class TransactionGroup extends Model
     {
         return $this->hasMany(TransactionJournal::class);
     }
+
+    /**
+     * @return BelongsTo
+     */
+    public function userGroup(): BelongsTo
+    {
+        return $this->belongsTo(UserGroup::class);
+    }
 }

app/Models/TransactionJournal.php

@@ -148,6 +148,7 @@ class TransactionJournal extends Model
     protected $fillable
         = [
             'user_id',
+            'user_group_id',
             'transaction_type_id',
             'bill_id',
             'tag_count',

app/Models/UserGroup.php

@@ -67,6 +67,16 @@ class UserGroup extends Model
         return $this->hasMany(Account::class);
     }
 
+    /**
+     * Link to budgets.
+     *
+     * @return HasMany
+     */
+    public function budgets(): HasMany
+    {
+        return $this->hasMany(Budget::class);
+    }
+
     /**
      *
      * @return HasMany
@@ -75,4 +85,14 @@ class UserGroup extends Model
     {
         return $this->hasMany(GroupMembership::class);
     }
+
+    /**
+     * Link to transaction journals.
+     *
+     * @return HasMany
+     */
+    public function transactionJournals(): HasMany
+    {
+        return $this->hasMany(TransactionJournal::class);
+    }
 }