Merge pull request #2475 from okriuchykhin/ok_SCI_4459

Add used space calculation method to the team model [SCI-4459]

app/models/team.rb

@@ -19,7 +19,6 @@ class Team < ApplicationRecord
             length: { minimum: Constants::NAME_MIN_LENGTH,
                       maximum: Constants::NAME_MAX_LENGTH }
   validates :description, length: { maximum: Constants::TEXT_MAX_LENGTH }
-  validates :space_taken, presence: true
 
   belongs_to :created_by,
              foreign_key: 'created_by_id',
@@ -153,6 +152,20 @@ class Team < ApplicationRecord
     fields
   end
 
+  def storage_used
+    by_assets = Asset.joins(:file_blob)
+                     .where(assets: { team_id: id })
+                     .select('active_storage_blobs.byte_size')
+
+    by_tiny_mce_assets = TinyMceAsset.joins(:image_blob)
+                                     .where(tiny_mce_assets: { team_id: id })
+                                     .select('active_storage_blobs.byte_size')
+
+    ActiveStorage::Blob
+      .from("((#{by_assets.to_sql}) UNION ALL (#{by_tiny_mce_assets.to_sql})) AS active_storage_blobs")
+      .sum(:byte_size)
+  end
+
   # (re)calculate the space taken by this team
   def calculate_space_taken
     st = 0

spec/models/team_spec.rb

@@ -44,7 +44,6 @@ describe Team, type: :model do
   end
 
   describe 'Validations' do
-    it { should validate_presence_of :space_taken }
     it do
       should validate_length_of(:name)
         .is_at_least(Constants::NAME_MIN_LENGTH)