dirty commit: can't get references to work correctly between any tables

app/presenters/dashboard/category_presenter.rb

@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+module Dashboard
+  class CategoryPresenter
+    def initialize(category:)
+      @category = category
+    end
+
+    def id
+      @category.category_id
+    end
+
+    def name
+      @category.name
+    end
+
+    def description
+      @category.description
+    end
+
+    def short_description
+      @category.short_description
+    end
+
+    def slug
+      @category.slug
+    end
+
+    def icon_class
+      icon_suffix = classes[id.to_sym]
+      "fas fa-#{icon_suffix}"
+    end
+
+    def icon_color_class
+      color_suffix = colors[id.to_sym]
+      "color-#{color_suffix}"
+    end
+
+    def subcategories(academic_year:, school:)
+      @category.subcategories.includes([:measures]).sort_by(&:subcategory_id).map do |subcategory|
+        SubcategoryPresenter.new(
+          subcategory:,
+          academic_year:,
+          school:
+        )
+      end
+    end
+
+    def to_model
+      @category
+    end
+
+    private
+
+    def colors
+      { '1': "blue",
+        '2': "red",
+        '3': "black",
+        '4': "lime",
+        '5': "teal" }
+    end
+
+    def classes
+      { '1': "apple-alt",
+        '2': "school",
+        '3': "users-cog",
+        '4': "graduation-cap",
+        '5': "heart" }
+    end
+  end
+end