Actualizar plugin Additionals a 3.0.0

plugins/additionals/app/models/additionals_chart.rb

@@ -0,0 +1,64 @@
+class AdditionalsChart < ActiveRecord::Base
+  include Redmine::I18n
+
+  CHART_DEFAULT_HEIGHT = 350
+  CHART_DEFAULT_WIDTH = 400
+
+  class << self
+    def color_schema
+      Redmine::Plugin.installed?('redmine_reporting') ? RedmineReporting.setting(:chart_color_schema) : 'tableau.Classic20'
+    end
+
+    def data
+      raise 'overwrite it!'
+    end
+
+    # build return value
+    def build_chart_data(datasets, options = {})
+      cached_labels = labels
+      data = { datasets: datasets.to_json,
+               labels: cached_labels.keys,
+               label_ids: cached_labels.values }
+
+      required_labels = options.key?(:required_labels) ? options.delete(:required_labels) : 2
+
+      data[:valid] = cached_labels.any? && cached_labels.count >= required_labels unless options.key?(:valid)
+      data[:width] = self::CHART_DEFAULT_WIDTH unless options.key?(:width)
+      data[:height] = self::CHART_DEFAULT_HEIGHT unless options.key?(:height)
+      data[:value_link_method] = '_project_issues_path' unless options.key?(:value_link_method)
+      data[:color_schema] = color_schema
+
+      data.merge(options)
+    end
+
+    private
+
+    def build_values_without_gaps(data, gap_value = 0)
+      values = []
+      labels.each do |label, _label_id|
+        values << if data.key?(label)
+                    data[label]
+                  else
+                    gap_value
+                  end
+      end
+
+      values
+    end
+
+    def init_labels
+      @labels = {}
+    end
+
+    def labels
+      # NOTE: do not sort it, because color changes if user switch language
+      @labels.to_h
+    end
+
+    def add_label(label, id)
+      return if @labels.key? label
+
+      @labels[label] = id
+    end
+  end
+end