diff --git a/app/Models/Category.php b/app/Models/Category.php
index df8abf0..2f5f5c0 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -95,4 +95,17 @@ class Category extends Model
             ]);
     }
 
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Category::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Category::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
 }
diff --git a/app/Models/Customer.php b/app/Models/Customer.php
index 1fed8c2..d52d5ba 100644
--- a/app/Models/Customer.php
+++ b/app/Models/Customer.php
@@ -54,4 +54,19 @@ class Customer extends Authenticatable
     }
 
 
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Customer::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Customer::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
+
+
 }
diff --git a/app/Models/Group.php b/app/Models/Group.php
index ceacf03..9721603 100644
--- a/app/Models/Group.php
+++ b/app/Models/Group.php
@@ -92,4 +92,18 @@ class Group extends Model
         return $this->posts()->where('status', 1)
             ->orderBy($order, $dir)->limit($limit)->get(['title', 'slug', 'icon']);
     }
+
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Group::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Group::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
 }
diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index 3add0a8..62514ca 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -166,4 +166,17 @@ class Invoice extends Model
         return $this->belongsTo(Address::class);
     }
 
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Invoice::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Invoice::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
 }
diff --git a/app/Models/Post.php b/app/Models/Post.php
index d646db6..6823bb0 100644
--- a/app/Models/Post.php
+++ b/app/Models/Post.php
@@ -206,4 +206,22 @@ RESULT;
         list($toc, $modifiedHtml) = generateTOC($this->body);
         return $modifiedHtml;
     }
+
+
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Post::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Post::class)
+                ->where('evaluationable_id',$this->id);
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Group::class)
+                ->where('evaluationable_id',$this->group_id);
+        })->get();
+    }
 }
diff --git a/app/Models/Product.php b/app/Models/Product.php
index 47832ad..d6ffcf3 100644
--- a/app/Models/Product.php
+++ b/app/Models/Product.php
@@ -440,4 +440,22 @@ RESULT;
             return implode(',', $this->tags()->pluck('name')->toArray());
         }
     }
+
+
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Product::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Product::class)
+                ->where('evaluationable_id',$this->id);
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Category::class)
+                ->where('evaluationable_id',$this->category_id);
+        })->get();
+    }
 }
diff --git a/app/Models/Ticket.php b/app/Models/Ticket.php
index e68be4e..646ffc2 100644
--- a/app/Models/Ticket.php
+++ b/app/Models/Ticket.php
@@ -24,4 +24,19 @@ class Ticket extends Model
     public function subTickets(){
         return $this->hasMany(Ticket::class,'parent_id','id')->orderBy('id');
     }
+
+
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', Ticket::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', Ticket::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
 }
diff --git a/app/Models/User.php b/app/Models/User.php
index 854c514..44238e7 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -151,4 +151,19 @@ class User extends Authenticatable
         }
         return $this->accesses()->where('route', $route)->count() > 0;
     }
+
+
+    public function evaluations(){
+
+        return Evaluation::where(function ($query) {
+            $query->whereNull('evaluationable_type')
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query) {
+            $query->where('evaluationable_type', User::class)
+                ->whereNull('evaluationable_id');
+        })->orWhere(function ($query ) {
+            $query->where('evaluationable_type', User::class)
+                ->where('evaluationable_id',$this->id);
+        })->get();
+    }
 }