Add pagination to submissions

assets/javascripts/discourse/controllers/admin-wizards-submissions-show.js.es6

@@ -1,6 +1,34 @@
 import Controller from "@ember/controller";
 import { fmt } from "discourse/lib/computed";
+import { empty } from '@ember/object/computed';
+import CustomWizard from "../models/custom-wizard";
 
 export default Controller.extend({
   downloadUrl: fmt("wizard.id", "/admin/wizards/submissions/%@/download"),
+  noResults: empty('submissions'),
+  page: 0,
+  total: 0,
+
+  loadMoreSubmissions() {
+    const page = this.get('page');
+    const wizardId = this.get('wizard.id');
+
+    this.set('loadingMore', true);
+    CustomWizard.submissions(wizardId, page).then(result => {
+      if (result.submissions) {
+        this.get('submissions').pushObjects(result.submissions);
+      }
+    }).finally(() => {
+      this.set('loadingMore', false);
+    });
+  },
+
+  actions: {
+    loadMore() {
+      if (!this.loadingMore && (this.submissions.length < this.total)) {
+        this.set('page', this.get('page') + 1);
+        this.loadMoreSubmissions();
+      }
+    }
+  }
 });

assets/javascripts/discourse/models/custom-wizard.js.es6

@@ -211,9 +211,51 @@ CustomWizard.reopenClass({
       .catch(popupAjaxError);
   },
 
-  submissions(wizardId) {
+  submissions(wizardId, page = null) {
+    let data = {};
+
+    if (page) {
+      data.page = page;
+    }
+
     return ajax(`/admin/wizards/submissions/${wizardId}`, {
       type: "GET",
+      data
+    }).then(result => {
+      if (result.wizard) {
+        let fields = ["username"];
+        let submissions = [];
+        let wizard = result.wizard;
+        let total = result.total;
+
+        result.submissions.forEach((s) => {
+          let submission = {
+            username: s.username,
+          };
+
+          Object.keys(s.fields).forEach((f) => {
+            if (fields.indexOf(f) < 0) {
+              fields.push(f);
+            }
+
+            if (fields.includes(f)) {
+              submission[f] = s.fields[f];
+            }
+          });
+          
+          submission['submitted_at'] = s.submitted_at;
+          submissions.push(submission);
+        });
+
+        fields.push("submitted_at");
+
+        return {
+          wizard,
+          fields,
+          submissions,
+          total
+        };
+      }
     }).catch(popupAjaxError);
   },
 

assets/javascripts/discourse/routes/admin-wizards-submissions-show.js.es6

@@ -1,7 +1,6 @@
 import CustomWizard from "../models/custom-wizard";
 import DiscourseRoute from "discourse/routes/discourse";
-
-const excludedMetaFields = ["route_to", "redirect_on_complete", "redirect_to"];
+import { A } from "@ember/array";
 
 export default DiscourseRoute.extend({
   model(params) {
@@ -9,34 +8,11 @@ export default DiscourseRoute.extend({
   },
 
   setupController(controller, model) {
-    if (model && model.submissions) {
-      let fields = ["username"];
-      model.submissions.forEach((s) => {
-        Object.keys(s.fields).forEach((k) => {
-          if (!excludedMetaFields.includes(k) && fields.indexOf(k) < 0) {
-            fields.push(k);
-          }
-        });
-      });
-
-      let submissions = [];
-      model.submissions.forEach((s) => {
-        let submission = {
-          username: s.username,
-        };
-        Object.keys(s.fields).forEach((f) => {
-          if (fields.includes(f)) {
-            submission[f] = s.fields[f];
-          }
-        });
-        submissions.push(submission);
-      });
-
     controller.setProperties({
       wizard: model.wizard,
-        submissions,
-        fields,
+      fields: model.fields,
+      submissions: A(model.submissions),
+      total: model.total
     });
-    }
   },
 });

assets/javascripts/discourse/templates/admin-wizards-submissions-show.hbs

@@ -11,6 +11,10 @@
   </div>
 
   <div class="wizard-submissions">
+    {{#load-more selector=".wizard-submissions tr" action=(action "loadMore")}}
+      {{#if noResults}}
+        <p>{{i18n "search.no_results"}}</p>
+      {{else}}
         <table>
           <thead>
             <tr>
@@ -29,5 +33,9 @@
             {{/each}}
           </tbody>
         </table>
+      {{/if}}
+
+      {{conditional-loading-spinner condition=loadingMore}}
+    {{/load-more}}
   </div>
 {{/if}}

controllers/custom_wizard/admin/submissions.rb

@@ -13,12 +13,16 @@ class CustomWizard::AdminSubmissionsController < CustomWizard::AdminController
   def show
     render_json_dump(
       wizard: CustomWizard::BasicWizardSerializer.new(@wizard, root: false),
-      submissions: ActiveModel::ArraySerializer.new(ordered_submissions, each_serializer: CustomWizard::SubmissionSerializer)
+      submissions: ActiveModel::ArraySerializer.new(
+        submission_list.submissions,
+        each_serializer: CustomWizard::SubmissionSerializer
+      ),
+      total: submission_list.total
     )
   end
 
   def download
-    send_data ordered_submissions.to_json,
+    send_data submission_list.submissions.to_json,
       filename: "#{Discourse.current_hostname}-wizard-submissions-#{@wizard.name}.json",
       content_type: "application/json",
       disposition: "attachment"
@@ -26,7 +30,7 @@ class CustomWizard::AdminSubmissionsController < CustomWizard::AdminController
 
   protected
 
-  def ordered_submissions
-    CustomWizard::Submission.list(@wizard, order_by: 'id')
+  def submission_list
+    CustomWizard::Submission.list(@wizard, page: params[:page].to_i)
   end
 end

lib/custom_wizard/submission.rb

@@ -2,6 +2,7 @@
 class CustomWizard::Submission
   include ActiveModel::SerializerSupport
   
+  PAGE_LIMIT = 50
   KEY ||= "submissions"
   META ||= %w(submitted_at route_to redirect_on_complete redirect_to)
 
@@ -44,7 +45,7 @@ class CustomWizard::Submission
     validate
 
     submission_list = self.class.list(wizard, user_id: user.id)
-    submissions = submission_list.select { |submission| submission.id != self.id }
+    submissions = submission_list.submissions.select { |submission| submission.id != self.id }
     submissions.push(self)
 
     submission_data = submissions.map { |submission| data_to_save(submission)  }
@@ -92,27 +93,38 @@ class CustomWizard::Submission
   end
 
   def self.get(wizard, user_id)
-    data = PluginStore.get("#{wizard.id}_#{KEY}", user_id).first
+    data = PluginStore.get("#{wizard.id}_#{KEY}", user_id).last
     new(wizard, data, user_id)
   end
 
-  def self.list(wizard, user_id: nil, order_by: nil)
+  def self.list(wizard, user_id: nil, page: nil)
     params = { plugin_name: "#{wizard.id}_#{KEY}" }
     params[:key] = user_id if user_id.present?
 
     query = PluginStoreRow.where(params)
-    query = query.order("#{order_by} DESC") if order_by.present?
-
-    result = []
+    result = OpenStruct.new(submissions: [], total: nil)
 
     query.each do |record|
       if (submission_data = ::JSON.parse(record.value)).any?        
         submission_data.each do |data|
-          result.push(new(wizard, data, record.key))
+          result.submissions.push(new(wizard, data, record.key))
         end
       end
     end
 
+    result.total = result.submissions.size
+
+    if !page.nil?
+      start = page * PAGE_LIMIT
+      length = PAGE_LIMIT
+
+      if result.submissions.length > start
+        result.submissions = result.submissions[start, length]
+      else
+        result.submissions = []
+      end
+    end
+
     result
   end
 end

lib/custom_wizard/wizard.rb

@@ -272,7 +272,7 @@ class CustomWizard::Wizard
 
   def submissions
     return nil unless user.present?
-    @submissions ||= CustomWizard::Submission.list(self, user_id: user.id)
+    @submissions ||= CustomWizard::Submission.list(self, user_id: user.id).submissions
   end
 
   def current_submission

serializers/custom_wizard/submission_serializer.rb

@@ -3,10 +3,7 @@ class CustomWizard::SubmissionSerializer < ApplicationSerializer
   attributes :id,
              :username,
              :fields,
-             :submitted_at,
-             :route_to,
-             :redirect_on_complete,
-             :redirect_to
+             :submitted_at
 
   def username
     object.user.present? ?

spec/components/custom_wizard/submission_spec.rb

@@ -21,8 +21,11 @@ describe CustomWizard::Submission do
     @wizard = CustomWizard::Wizard.create(template_json["id"], user)
     @wizard2 = CustomWizard::Wizard.create(template_json["id"], user2)
     @wizard3 = CustomWizard::Wizard.create(template_json_2["id"], user)
+    @count = CustomWizard::Submission::PAGE_LIMIT + 20
 
-    described_class.new(@wizard, step_1_field_1: "I am a user submission").save
+    @count.times do |index|
+      described_class.new(@wizard, step_1_field_1: "I am user submission #{index+1}").save
+    end
     described_class.new(@wizard2, step_1_field_1: "I am another user's submission").save
     described_class.new(@wizard3, step_1_field_1: "I am a user submission on another wizard").save
   end
@@ -30,14 +33,18 @@ describe CustomWizard::Submission do
   it "saves a user's submission" do
     expect(
       described_class.get(@wizard, user.id).fields["step_1_field_1"]
-    ).to eq("I am a user submission")
+    ).to eq("I am user submission #{@count}")
   end
 
   it "list submissions by wizard" do
-    expect(described_class.list(@wizard).size).to eq(2)
+    expect(described_class.list(@wizard).total).to eq(@count + 1)
   end
 
   it "list submissions by wizard and user" do
-    expect(described_class.list(@wizard, user_id: user.id).size).to eq(1)
+    expect(described_class.list(@wizard, user_id: user.id).total).to eq(@count)
+  end
+
+  it "paginates submission lists" do
+    expect(described_class.list(@wizard, page: 1).submissions.size).to eq((@count + 1) - CustomWizard::Submission::PAGE_LIMIT)
   end
 end