Migrate repository charts

- Migrates charts to gitlab-ui charts
and replaces pie chart with column chart

app/assets/javascripts/pages/projects/graphs/charts/index.js

-import $ from 'jquery';
-import Chart from 'chart.js';
-import { barChartOptions, pieChartOptions } from '~/lib/utils/chart_utils';
+import Vue from 'vue';
+import { __ } from '~/locale';
+import { GlColumnChart } from '@gitlab/ui/dist/charts';
+import SeriesDataMixin from './series_data_mixin';
 
 document.addEventListener('DOMContentLoaded', () => {
-  const projectChartData = JSON.parse(document.getElementById('projectChartData').innerHTML);
+  const languagesContainer = document.getElementById('js-languages-chart');
+  const monthContainer = document.getElementById('js-month-chart');
+  const weekdayContainer = document.getElementById('js-weekday-chart');
+  const hourContainer = document.getElementById('js-hour-chart');
 
-  const barChart = (selector, data) => {
-    // get selector by context
-    const ctx = selector.get(0).getContext('2d');
-    // pointing parent container to make chart.js inherit its width
-    const container = $(selector).parent();
-    selector.attr('width', $(container).width());
-
-    // Scale fonts if window width lower than 768px (iPad portrait)
-    const shouldAdjustFontSize = window.innerWidth < 768;
-    return new Chart(ctx, {
-      type: 'bar',
-      data,
-      options: barChartOptions(shouldAdjustFontSize),
-    });
-  };
-
-  const pieChart = (context, data) => {
-    const options = pieChartOptions();
-
-    return new Chart(context, {
-      type: 'pie',
-      data,
-      options,
-    });
-  };
-
-  const chartData = data => ({
-    labels: Object.keys(data),
-    datasets: [
-      {
-        backgroundColor: 'rgba(220,220,220,0.5)',
-        borderColor: 'rgba(220,220,220,1)',
-        borderWidth: 1,
-        data: Object.values(data),
-      },
-    ],
-  });
+  const LANGUAGE_CHART_HEIGHT = 300;
 
   const reorderWeekDays = (weekDays, firstDayOfWeek = 0) => {
     if (firstDayOfWeek === 0) {
@@ -58,28 +26,115 @@ document.addEventListener('DOMContentLoaded', () => {
     }, {});
   };
 
-  const hourData = chartData(projectChartData.hour);
-  barChart($('#hour-chart'), hourData);
+  // eslint-disable-next-line no-new
+  new Vue({
+    el: languagesContainer,
+    components: {
+      GlColumnChart,
+    },
+    data() {
+      return {
+        chartData: JSON.parse(languagesContainer.dataset.chartData),
+      };
+    },
+    computed: {
+      seriesData() {
+        return { full: this.chartData.map(d => [d.label, d.value]) };
+      },
+    },
+    render(h) {
+      return h(GlColumnChart, {
+        props: {
+          data: this.seriesData,
+          xAxisTitle: __('Used programming language'),
+          yAxisTitle: __('Percentage'),
+          xAxisType: 'category',
+        },
+        attrs: {
+          height: LANGUAGE_CHART_HEIGHT,
+        },
+      });
+    },
+  });
 
-  const weekDays = reorderWeekDays(projectChartData.weekDays, gon.first_day_of_week);
-  const dayData = chartData(weekDays);
-  barChart($('#weekday-chart'), dayData);
+  // eslint-disable-next-line no-new
+  new Vue({
+    el: monthContainer,
+    components: {
+      GlColumnChart,
+    },
+    mixins: [SeriesDataMixin],
+    data() {
+      return {
+        chartData: JSON.parse(monthContainer.dataset.chartData),
+      };
+    },
+    render(h) {
+      return h(GlColumnChart, {
+        props: {
+          data: this.seriesData,
+          xAxisTitle: __('Day of month'),
+          yAxisTitle: __('No. of commits'),
+          xAxisType: 'category',
+        },
+      });
+    },
+  });
 
-  const monthData = chartData(projectChartData.month);
-  barChart($('#month-chart'), monthData);
+  // eslint-disable-next-line no-new
+  new Vue({
+    el: weekdayContainer,
+    components: {
+      GlColumnChart,
+    },
+    data() {
+      return {
+        chartData: JSON.parse(weekdayContainer.dataset.chartData),
+      };
+    },
+    computed: {
+      seriesData() {
+        const weekDays = reorderWeekDays(this.chartData, gon.first_day_of_week);
+        const data = Object.keys(weekDays).reduce((acc, key) => {
+          acc.push([key, weekDays[key]]);
+          return acc;
+        }, []);
+        return { full: data };
+      },
+    },
+    render(h) {
+      return h(GlColumnChart, {
+        props: {
+          data: this.seriesData,
+          xAxisTitle: __('Weekday'),
+          yAxisTitle: __('No. of commits'),
+          xAxisType: 'category',
+        },
+      });
+    },
+  });
 
-  const data = {
-    datasets: [
-      {
-        data: projectChartData.languages.map(x => x.value),
-        backgroundColor: projectChartData.languages.map(x => x.color),
-        hoverBackgroundColor: projectChartData.languages.map(x => x.highlight),
-      },
-    ],
-    labels: projectChartData.languages.map(x => x.label),
+  // eslint-disable-next-line no-new
+  new Vue({
+    el: hourContainer,
+    components: {
+      GlColumnChart,
+    },
+    mixins: [SeriesDataMixin],
+    data() {
+      return {
+        chartData: JSON.parse(hourContainer.dataset.chartData),
       };
-  const ctx = $('#languages-chart')
-    .get(0)
-    .getContext('2d');
-  pieChart(ctx, data);
+    },
+    render(h) {
+      return h(GlColumnChart, {
+        props: {
+          data: this.seriesData,
+          xAxisTitle: __('Hour (UTC)'),
+          yAxisTitle: __('No. of commits'),
+          xAxisType: 'category',
+        },
+      });
+    },
+  });
 });

app/assets/javascripts/pages/projects/graphs/charts/series_data_mixin.js

+export default {
+  computed: {
+    seriesData() {
+      const data = Object.keys(this.chartData).reduce((acc, key) => {
+        acc.push([key, this.chartData[key]]);
+        return acc;
+      }, []);
+      return { full: data };
+    },
+  },
+};

app/views/projects/graphs/charts.html.haml

@@ -7,20 +7,7 @@
   %p
     = _("Measured in bytes of code. Excludes generated and vendored code.")
 
-  .row
-    .col-md-4
-      %ul.bordered-list
-        - @languages.each do |language|
-          %li
-            %span{ style: "color: #{language[:color]}" }
-              = icon('circle')
-             
-            = language[:label]
-            .float-right
-              = language[:value]
-              \%
-    .col-md-8
-      %canvas#languages-chart{ height: 400 }
+  #js-languages-chart{ data: { chart_data: @languages.to_json.html_safe } }
 
 .repo-charts
   .sub-header-block.border-top
@@ -60,27 +47,18 @@
       %p.slead
         = _("Commits per day of month")
       %div
-        %canvas#month-chart
+        #js-month-chart{ data: { chart_data: @commits_per_month.to_json.html_safe } }
   .row
     .col-md-6
     .col-md-6
       %p.slead
         = _("Commits per weekday")
       %div
-        %canvas#weekday-chart
+        #js-weekday-chart{ data: { chart_data: @commits_per_week_days.to_json.html_safe } }
   .row
     .col-md-6
     .col-md-6
       %p.slead
         = _("Commits per day hour (UTC)")
       %div
-        %canvas#hour-chart
-
--# haml-lint:disable InlineJavaScript
-%script#projectChartData{ type: "application/json" }
-  - projectChartData = {};
-  - projectChartData['hour'] = @commits_per_time
-  - projectChartData['weekDays'] = @commits_per_week_days
-  - projectChartData['month'] = @commits_per_month
-  - projectChartData['languages'] = @languages
-  = projectChartData.to_json.html_safe
+        #js-hour-chart{ data: { chart_data: @commits_per_time.to_json.html_safe } }

locale/gitlab.pot

@@ -5996,6 +5996,9 @@ msgstr ""
 msgid "Date range cannot exceed %{maxDateRange} days."
 msgstr ""
 
+msgid "Day of month"
+msgstr ""
+
 msgid "DayTitle|F"
 msgstr ""
 
@@ -10004,6 +10007,9 @@ msgstr ""
 msgid "Hook was successfully updated."
 msgstr ""
 
+msgid "Hour (UTC)"
+msgstr ""
+
 msgid "Housekeeping"
 msgstr ""
 
@@ -12803,6 +12809,9 @@ msgstr ""
 msgid "No, not interested right now"
 msgstr ""
 
+msgid "No. of commits"
+msgstr ""
+
 msgid "Nobody has starred this repository yet"
 msgstr ""
 
@@ -13531,6 +13540,9 @@ msgstr ""
 msgid "People without permission will never get a notification."
 msgstr ""
 
+msgid "Percentage"
+msgstr ""
+
 msgid "Perform advanced options such as changing path, transferring, or removing the group."
 msgstr ""
 
@@ -20797,6 +20809,9 @@ msgstr ""
 msgid "Used by members to sign in to your group in GitLab"
 msgstr ""
 
+msgid "Used programming language"
+msgstr ""
+
 msgid "Used to help configure your identity provider"
 msgstr ""
 
@@ -21486,6 +21501,9 @@ msgstr ""
 msgid "Wednesday"
 msgstr ""
 
+msgid "Weekday"
+msgstr ""
+
 msgid "Weeks"
 msgstr ""
 

spec/features/projects/graph_spec.rb

@@ -22,20 +22,12 @@ describe 'Project Graph', :js do
     end
   end
 
-  shared_examples 'page should have languages graphs' do
-    it 'renders languages' do
-      expect(page).to have_content(/Ruby 66.* %/)
-      expect(page).to have_content(/JavaScript 22.* %/)
-    end
-  end
-
   context 'commits graph' do
     before do
       visit commits_project_graph_path(project, 'master')
     end
 
     it_behaves_like 'page should have commits graphs'
-    it_behaves_like 'page should have languages graphs'
   end
 
   context 'languages graph' do
@@ -44,7 +36,6 @@ describe 'Project Graph', :js do
     end
 
     it_behaves_like 'page should have commits graphs'
-    it_behaves_like 'page should have languages graphs'
   end
 
   context 'charts graph' do
@@ -53,7 +44,6 @@ describe 'Project Graph', :js do
     end
 
     it_behaves_like 'page should have commits graphs'
-    it_behaves_like 'page should have languages graphs'
   end
 
   context 'chart graph with HTML escaped branch name' do