Added name validation to query & dashboard

app/models/blazer/dashboard.rb

@@ -1,11 +1,12 @@
 module Blazer
   class Dashboard < Record
+
+    include ::Blazer::NameValidator
+
     belongs_to :creator, optional: true, class_name: Blazer.user_class.to_s if Blazer.user_class
     has_many :dashboard_queries, dependent: :destroy
     has_many :queries, through: :dashboard_queries
 
-    validates :name, presence: true
-
     def variables
       queries.flat_map { |q| q.variables }.uniq
     end

app/models/blazer/query.rb

@@ -1,5 +1,8 @@
 module Blazer
   class Query < Record
+
+    include ::Blazer::NameValidator
+
     belongs_to :creator, optional: true, class_name: Blazer.user_class.to_s if Blazer.user_class
     has_many :checks, dependent: :destroy
     has_many :dashboard_queries, dependent: :destroy

app/models/concerns/blazer/name_validator.rb

@@ -0,0 +1,21 @@
+module Blazer
+    module NameValidator
+      extend ActiveSupport::Concern
+
+      included do
+        before_validation :strip_unwanted_whitespaces
+
+        validates :name, presence: true,
+          uniqueness: {
+            scope: :creator_id,
+            case_sensitive: false,
+            message: "already taken for this user."
+          }
+      end
+
+      private
+        def strip_unwanted_whitespaces
+          self.name = "#{self.name}".strip
+        end
+    end
+  end