Merge pull request #38 from goosys/wip/issue-9

Wip/issue 9

app/views/administrate/application/index.csv.csb

@@ -0,0 +1,66 @@
+# vim: set ft=ruby:
+
+#
+# thx https://github.com/aki77/csb
+# usage https://qiita.com/aki77/items/d9d453ed288f6302fd15#%E4%BD%BF%E3%81%84%E6%96%B9
+#
+return '' if @dashboard.collection_export_types.blank?
+
+# see https://github.com/thoughtbot/administrate/blob/master/lib/administrate/base_dashboard.rb#L92
+attribute_includes =
+  @dashboard.collection_export_types.map do |attr_name, type|
+    attr_name if type.associative?
+  end.compact
+resources.includes(*attribute_includes) unless attribute_includes.empty?
+
+# 
+csv.items = resources.except(:limit, :offset).find_each
+csv.filename = "#{resource_class.name.tableize}.#{Time.current.to_i}.csv"
+
+# 
+@dashboard.collection_export_types.each do |attr_name, type|
+  field = type.new(attr_name, nil, page, resource: authorized_new_resource)
+  input_type = type.is_a?(Administrate::Field::Deferred) ? type.deferred_class.to_s : type.to_s
+
+  header = t(
+    "administrate_exportable.label.#{page.resource_name}.#{attr_name}",
+    default: [
+      :"activerecord.attributes.#{resource_class.name.downcase}.#{resource_name}/#{attr_name}",
+      :"activerecord.attributes.#{page.resource_name}.#{attr_name}",
+      resource_class.human_attribute_name(attr_name)
+    ]
+  )
+
+  # 
+  csv.cols.add(header, attr_name) { |r|
+    field = type.new(attr_name, r.public_send(attr_name), page, resource: r)
+
+    # thx https://github.com/SourceLabsLLC/administrate_exportable/blob/master/lib/administrate_exportable/exporter_service.rb#L40
+    transform_on_export = type.respond_to?(:options) && type.options[:transform_on_export]
+    if transform_on_export.is_a? Proc
+      transform_on_export.call(field)
+    else
+      case field.class.to_s
+      when Administrate::Field::BelongsTo.to_s, Administrate::Field::HasOne.to_s, Administrate::Field::Polymorphic.to_s
+        field.display_associated_resource if field.data
+      when Administrate::Field::HasMany.to_s
+        field.data.count if field.data
+      when Administrate::Field::DateTime.to_s
+        field.datetime if field.data
+      when Administrate::Field::Date.to_s
+        field.date if field.data
+      when Administrate::Field::Email.to_s, Administrate::Field::Select.to_s
+        field.data
+      when Administrate::Field::Password.to_s
+        field.truncate
+      when Administrate::Field::Time.to_s
+        field.data.strftime("%I:%M%p").to_s if field.data
+      when Administrate::Field::String.to_s, Administrate::Field::Text.to_s
+        #Do not truncate
+        field.data
+      else
+        field.to_s
+      end
+    end
+  }
+end

app/views/administrate/application/index.html.erb

@@ -29,6 +29,7 @@ It renders the `_table` partial to display details about the resources.
     search_term: search_term,
     page: page,
     show_search_bar: show_search_bar,
+    show_export_button: show_export_button?
   )
 %>
 

app/views/administrate_ransack/components/_filter_buttons.html.erb

@@ -0,0 +1,14 @@
+<div class="filters-buttons">
+  <%= hidden_field_tag :format, 'html', id: 'search-request-format' %>
+  <%= button_tag class: 'button button--search', onclick: "$('#search-request-format').val('html');" do %>
+    <span class="show-when-enabled"><%= t('administrate_ransack.filters.search') %></span>
+    <span class="show-when-disabled"><%= t('administrate_ransack.filters.searching', default: :'administrate_ransack.filters.search') %></span>
+  <% end %>
+  <% if defined?(show_export_button) && show_export_button %>
+    <%= button_tag class: 'button button--export', data: { disable_with: false, turbo: false }, onclick: "$('#search-request-format').val('csv');" do %>
+      <span class="show-when-enabled"><%= t('administrate_ransack.filters.csv_export') %></span>
+      <span class="show-when-disabled"><%= t('administrate_ransack.filters.csv_exporting', default: :'administrate_ransack.filters.csv_export') %></span>
+    <% end %>
+  <% end %>
+  <%= link_to t('administrate_ransack.filters.clear_filters'), clear_filters_path, class: 'button button--clear-filters' %>
+</div>

lib/administrate/mistybird.rb

@@ -7,6 +7,7 @@
 require_relative "role_aware_resource_resolver"
 require_relative "patches/administrate_datetime_default"
 # require_relative "patches/administrate_view_generator"
+require_relative "patches/collection_export_types"
 require_relative "patches/collection_filter_types"
 require_relative "patches/dashboard_name_option_to_nested_has_many"
 require_relative "patches/default_display_resource_in_dashboard"

lib/administrate/patches/collection_export_types.rb

@@ -0,0 +1,11 @@
+require "administrate/base_dashboard"
+
+Administrate::BaseDashboard.prepend (
+  Module.new {
+    def collection_export_types
+      self.class::COLLECTION_EXPORT_TYPES
+    end
+  }
+)
+
+Administrate::BaseDashboard.const_set(:COLLECTION_EXPORT_TYPES, {}.freeze)

spec/administrate/views/administrate_ransack/components/_filter_buttons_spec.rb

@@ -0,0 +1,26 @@
+require "rails_helper"
+
+describe "administrate_ransack/components/_filter_buttons", type: :view do
+  before do
+    view.lookup_context.prepend_view_paths [File.expand_path("../../../../../app/views", __dir__)] #TODO
+  end
+
+  context "when show_export_button is NOT defined in the Controller" do
+    it "does NOT display a button with 'button button--export' class" do
+      allow(view).to receive(:clear_filters_path).and_return("/")
+
+      render
+      expect(rendered).not_to include("button button--export")
+    end
+  end
+
+  context "when show_export_button IS defined in the Controller" do
+    it "displays a button with 'button button--export' class" do
+      allow(view).to receive(:show_export_button).and_return(true)
+      allow(view).to receive(:clear_filters_path).and_return("/")
+
+      render
+      expect(rendered).to include("button button--export")
+    end
+  end
+end