field.rb in mega_bar-0.5.1

- old
+ new
@@ -1,31 +1,55 @@
 module MegaBar
   class Field < ActiveRecord::Base
-    belongs_to :model
-    has_many :field_display
-    after_create  :make_field_displays #, :only => [:create] #add update.
     after_create  :make_migration #, :only => [:create] #add update.
-    after_save :make_field_displays
-    attr_accessor :new_field_display, :edit_field_display, :index_field_display, :show_field_display
-    
-    #after_create :make_migration 
-    scope :by_model, ->(model_id) { where(model_id: model_id) if model_id.present? }
-    def make_field_displays 
-      return if ENV['mega_bar_data_loading'] == 'yes'
-      actions = []
-      actions << {:format=>'textread', :action=>'index', :field_id=>self.id, :header=>self.field.pluralize}  if (!FieldDisplay.by_fields(self.id).by_action('index').present? && @index_field_display == 'y')
-      actions << {:format=>'textread', :action=>'show', :field_id=>self.id, :header=>self.field}  if (!FieldDisplay.by_fields(self.id).by_action('show').present? && @show_field_display == 'y')
-      actions << {:format=>'textbox', :action=>'new', :field_id=>self.id, :header=>self.field}  if (!FieldDisplay.by_fields(self.id).by_action('new').present? && @new_field_display == 'y')
-      actions << {:format=>'textbox', :action=>'edit', :field_id=>self.id, :header=>self.field}  if (!FieldDisplay.by_fields(self.id).by_action('edit').present? && @edit_field_display == 'y')
-      actions.each do | action |
-        FieldDisplay.create(:field_id=>self.id, :format=>action[:format], :action=>action[:action], :header=>action[:header])
+    after_destroy :delete_field_displays
+    after_save    :make_field_displays
+    attr_accessor :model_display_ids, :new_field_display, :edit_field_display, :index_field_display, :show_field_display, :block_id
+    before_create :standardize_tablename
+    belongs_to    :model
+    has_many      :options, dependent: :destroy
+    scope         :by_model, ->(model_id) { where(model_id: model_id) if model_id.present? }
+    validate      :table_exists, on: :create unless Rails.env.test?
+    validates_format_of :tablename, on: [:create, :update], :multiline => true, allow_nil: false, with: /[a-z]+/, message: 'no caps'
+    validates_presence_of :model_id, :tablename, :field, :default_data_format, :default_data_format_edit
+    validates_uniqueness_of :field, scope: :model_id,  message: "dupe field for this model"
+
+    private
+
+    def table_exists
+      return true if self.tablename == 'accessor'
+      modle = Model.find(self.model_id) #this is a ugly dependency so this doesn't run in test environment.
+      prefix = modle.modyule.nil? || modle.modyule.empty? ? '' : modle.modyule.split('::').map { | m | m.underscore }.join('_') + '_'
+      self.tablename =  prefix + self.tablename if prefix + self.tablename == modle.tablename
+      return true if ActiveRecord::Base.connection.table_exists? self.tablename
+      errors.add(:base, 'That table does not exist')
+      return false
+    end
+
+    def make_field_displays
+      return unless self.model_display_ids.present?
+      self.model_display_ids = self.model_display_ids.reject(&:blank?)
+      mds = ModelDisplay.find(self.model_display_ids) if self.model_display_ids.present?
+      return unless mds
+      mds.each do | md |
+        data_display = ['new', 'edit'].include?(md.action) ? self.default_data_format_edit :  self.default_data_format
+        FieldDisplay.create(model_display_id: md.id, field_id: self.id, format:data_display, header: self.field.humanize)
       end
     end
+
+    def standardize_tablename
+
+    end
+
     def make_migration
-      return if ENV['mega_bar_data_loading'] == 'yes'
-      return if Model.connection.column_exists?(self.tablename, self.field)
-      system 'rails g mega_bar:mega_bar_fields ' + self.tablename + ' ' + self.field + ' ' + 'string'
+      return true if self.accessor == 'y'
+      return if Model.connection.column_exists?(self.tablename,  self.field)
+      boolean =   self.data_type == 'boolean' ? ' null: false, default: false' : '' #todo allow default true.
+      system 'bundle exec rails g mega_bar:mega_bar_fields ' + self.tablename + ' ' + self.field + ' ' + self.data_type + boolean
       ActiveRecord::Migrator.migrate "db/migrate"
+      system 'rake db:schema:dump'
     end
-
+    def delete_field_displays
+      FieldDisplay.by_fields(self.id).destroy_all
+    end
   end
-end
\ No newline at end of file
+end