FEATURE: export dashboard reports to csv file

app/assets/javascripts/admin/controllers/admin-reports.js.es6

@@ -1,3 +1,6 @@
+import { exportEntity } from 'discourse/lib/export-csv';
+import { outputExportResult } from 'discourse/lib/export-result';
+
 export default Ember.Controller.extend({
   viewMode: 'table',
   viewingTable: Em.computed.equal('viewMode', 'table'),
@@ -30,6 +33,15 @@ export default Ember.Controller.extend({
 
     viewAsBarChart() {
       this.set('viewMode', 'barChart');
+    },
+
+    exportCsv() {
+      exportEntity('report', {
+        name: this.get("model.type"),
+        start_date: this.get('startDate'),
+        end_date: this.get('endDate'),
+        category_id: this.get('categoryId') == 'all' ? undefined : this.get('categoryId')
+      }).then(outputExportResult);
     }
   }
 });

app/assets/javascripts/admin/templates/reports.hbs

@@ -5,6 +5,7 @@
   {{i18n 'admin.dashboard.reports.end_date'}} {{input type="date" value=endDate}}
   {{combo-box valueAttribute="value" content=categoryOptions value=categoryId}}
   {{d-button action="refreshReport" class="btn-primary" label="admin.dashboard.reports.refresh_report" icon="refresh"}}
+  {{d-button action="exportCsv" label="admin.export_csv.button_text"}}
 </div>
 
 <div class='view-options'>

app/assets/javascripts/discourse/lib/export-csv.js.es6

@@ -1,7 +1,7 @@
-function exportEntityByType(type, entity) {
+function exportEntityByType(type, entity, args) {
   return Discourse.ajax("/export_csv/export_entity.json", {
     method: 'POST',
-    data: {entity_type: type, entity}
+    data: {entity_type: type, entity, args}
   });
 }
 
@@ -14,6 +14,6 @@ export function exportUserArchive() {
 }
 
 
-export function exportEntity(entity) {
-  return exportEntityByType('admin', entity);
+export function exportEntity(entity, args) {
+  return exportEntityByType('admin', entity, args);
 }

app/controllers/export_csv_controller.rb

@@ -3,11 +3,8 @@ class ExportCsvController < ApplicationController
   skip_before_filter :preload_json, :check_xhr, only: [:show]
 
   def export_entity
-    params.require(:entity)
-    params.require(:entity_type)
-    guardian.ensure_can_export_entity!(params[:entity_type])
-
-    Jobs.enqueue(:export_csv_file, entity: params[:entity], user_id: current_user.id)
+    guardian.ensure_can_export_entity!(export_params[:entity_type])
+    Jobs.enqueue(:export_csv_file, entity: export_params[:entity], user_id: current_user.id, args: export_params[:args])
     render json: success_json
   end
 
@@ -27,4 +24,13 @@ class ExportCsvController < ApplicationController
     end
   end
 
+  private
+
+    def export_params
+      @_export_params ||= begin
+        params.require(:entity)
+        params.require(:entity_type)
+        params.permit(:entity, :entity_type, args: [:name, :start_date, :end_date, :category_id])
+      end
+    end
 end

app/jobs/regular/export_csv_file.rb

@@ -15,12 +15,14 @@ module Jobs
     HEADER_ATTRS_FOR['screened_email'] = ['email','action','match_count','last_match_at','created_at','ip_address']
     HEADER_ATTRS_FOR['screened_ip'] = ['ip_address','action','match_count','last_match_at','created_at']
     HEADER_ATTRS_FOR['screened_url'] = ['domain','action','match_count','last_match_at','created_at']
+    HEADER_ATTRS_FOR['report'] = ['date', 'value']
 
     sidekiq_options retry: false
     attr_accessor :current_user
 
     def execute(args)
       @entity = args[:entity]
+      @extra = HashWithIndifferentAccess.new(args[:args]) if args[:args]
       @file_name = @entity
       @current_user = User.find_by(id: args[:user_id])
 
@@ -93,6 +95,16 @@ module Jobs
       end
     end
 
+    def report_export
+      @extra[:start_date] = @extra[:start_date].to_date if @extra[:start_date].is_a?(String)
+      @extra[:end_date]   = @extra[:end_date].to_date   if @extra[:end_date].is_a?(String)
+      @extra[:category_id] = @extra[:category_id].to_i  if @extra[:category_id]
+      r = Report.find(@extra[:name], @extra)
+      r.data.map do |row|
+        [row[:x].to_s(:db), row[:y].to_s(:db)]
+      end
+    end
+
     def get_header
 
       case @entity