[chaos] Remove unused document's fields

chaos/lib/mapa76/core/model/document.rb

@@ -11,11 +11,8 @@ class Document
   field :original_filename, type: String
   field :context_cache,     type: Hash,    default: {}
   field :processed_text,    type: String
-  field :process_attemps,   type: Integer, default: 0
   field :status,            type: String,  default: ''
   field :status_msg,        type: String,  default: ''
-  field :status_history,    type: Array,   default: []
-  field :tasks,             type: Array,   default: []
   field :public,            type: Boolean, default: true
   field :percentage,        type: Float,   default: 0
   field :flagger_id,        type: Moped::BSON::ObjectId
@@ -45,13 +42,11 @@ class Document
   scope :private_for, ->(user){ where(:user_id => user.id, :public => false) }
   scope :listing, -> { without([
     :processed_text, :named_entity_ids, :person_ids,
-    :organization_ids, :place_ids, :date_entity_ids,
-    :process_attemps, :status_history, :tasks, :public]) }
+    :organization_ids, :place_ids, :date_entity_ids]) }
   scope :minimal, -> { without([
     :processed_text, :named_entity_ids, :person_ids,
     :organization_ids, :place_ids, :date_entity_ids,
-    :url, :original_filename, :context_cache, :process_attemps,
-    :status_history, :tasks, :public]) }
+    :url, :original_filename, :context_cache]) }
 
   index({ created_at: -1, user_id: 1}, { unique: true })
 
@@ -154,7 +149,6 @@ def process!
 
   def process_text!
     update_attribute :status, 'text_extraction_task-end'
-    update_attribute :status_history, ['text_extraction_task']
     Resque.enqueue(SchedulerTask, {metadata: { document_id: self.id}}.to_json)
   end
 
@@ -175,7 +169,6 @@ def document_type
   def restart_variables
     update_attribute :percentage, 0
     update_attribute :status, ''
-    update_attribute :status_history, []
   end
 
   def context_generator