admin: improve group members page with pagination and search

.rubocop.yml

@@ -9,6 +9,10 @@ AllCops:
     - bin/**/*
     - vendor/bundle/**/*
 
+Lint/Syntax:
+  Exclude:
+    - app/views/**/*.haml
+
 plugins:
   - rubocop-capybara
   - rubocop-performance

app/controllers/admin/groups_controller.rb

@@ -22,11 +22,15 @@ def create
   def show
     @group = Group.find(params[:id])
     authorize @group
+
+    @eligible_count = @group.eligible_members.count
+    @total_count = @group.members.count
+    @pagy, @members = pagy(Group.members_by_recent_rsvp(@group), items: 20)
   end
 
   private
 
   def group_params
-    params.expect(group: [:name, :description, :chapter_id])
+    params.expect(group: %i[name description chapter_id])
   end
 end

app/models/group.rb

@@ -11,6 +11,15 @@ class Group < ApplicationRecord
   scope :students, -> { where(name: 'Students') }
   scope :coaches, -> { where(name: 'Coaches') }
 
+  def self.members_by_recent_rsvp(group)
+    group.members
+         .joins('LEFT JOIN workshop_invitations ON workshop_invitations.member_id = members.id')
+         .joins('LEFT JOIN workshops ON workshops.id = workshop_invitations.workshop_id')
+         .select('members.*, MAX(workshops.date_and_time) as last_rsvp_at')
+         .group('members.id')
+         .order('MAX(workshops.date_and_time) DESC NULLS LAST')
+  end
+
   validates :name, presence: true, inclusion: { in: NAMES, message: 'Invalid name for Group' }
 
   alias city chapter

app/views/admin/groups/show.html.haml

@@ -1,18 +1,84 @@
+- content_for :head do
+  %link{ href: 'https://cdn.jsdelivr.net/npm/tom-select@2.4.3/dist/css/tom-select.bootstrap5.min.css', rel: 'stylesheet', type: 'text/css' }
+  %script{ src: 'https://cdn.jsdelivr.net/npm/tom-select@2.4.3/dist/js/tom-select.complete.min.js' }
+
 .container.py-4.py-lg-5
   .row.mb-4
     .col
       %h1
         = @group.name
-        %small.text-muted #{@group.chapter.name}
+        %small.text-muted= @group.chapter.name
+
+  .row
+    .col
+      %h3.mb-3 Members (#{@eligible_count} eligible, #{@total_count} total)
+
+  .row.mb-4
+    .col-12.col-md-6
+      = select_tag 'member_lookup_id', nil, class: 'form-control', placeholder: 'Search members by name or email...'
+    .col-auto
+      = link_to 'View Profile', '#', { class: 'btn btn-primary', id: 'view_profile' }
 
   .row
     .col
-      %h3.mb-3 Members (#{@group.eligible_members.count} eligible, #{@group.members.count} total)
       %table.table.table-striped.table-hover
+        %thead
+          %tr
+            %th Avatar
+            %th Name
+            %th Email
+            %th Mobile
+            %th T&C
         %tbody
-          - @group.members.each do |member|
+          - @members.each do |member|
             %tr
               %td= image_tag(member.avatar(32), class: 'rounded-circle', title: member.full_name, alt: member.full_name)
               %td= link_to member.full_name, admin_member_path(member)
               %td= mail_to member.email, member.email
               %td= member.mobile
+              %td
+                - if member.accepted_toc_at
+                  %i.fa.fa-check.text-success{ title: "Accepted on #{member.accepted_toc_at.to_date}" }
+                - else
+                  %i.fa.fa-times.text-danger{ title: 'Not accepted' }
+
+  .row
+    .col
+      = render partial: 'shared/pagination', locals: { pagy: @pagy, model: 'member' }
+
+-# TomSelect initialization
+:javascript
+  document.addEventListener('DOMContentLoaded', function() {
+    var control = document.getElementById('member_lookup_id');
+    var viewLink = document.getElementById('view_profile');
+
+    var ts = new TomSelect(control, {
+      create: false,
+      maxItems: 1,
+      placeholder: 'Search members by name or email...',
+      valueField: 'id',
+      labelField: 'full_name',
+      searchField: ['full_name', 'email'],
+      load: function(query, callback) {
+        if (query.length < 3) {
+          callback();
+          return;
+        }
+
+        var url = '/admin/members/search?q=' + encodeURIComponent(query);
+        fetch(url)
+          .then(function(response) { return response.json(); })
+          .then(function(data) { callback(data); })
+          .catch(function() { callback(); });
+      },
+      onChange: function(value) {
+        if (value) {
+          viewLink.href = '/admin/members/' + value;
+          viewLink.classList.remove('disabled');
+        } else {
+          viewLink.href = '#';
+          viewLink.classList.add('disabled');
+        }
+      }
+    });
+  });

spec/models/group_spec.rb

@@ -27,4 +27,26 @@
       expect(group.eligible_members).to be_empty
     end
   end
+
+  describe '.members_by_recent_rsvp' do
+    let(:group) { Fabricate(:group, name: 'Students') }
+    let(:chapter) { group.chapter }
+
+    it 'orders members by most recent workshop RSVP' do
+      old_workshop = Fabricate(:workshop, chapter: chapter, date_and_time: 1.month.ago)
+      new_workshop = Fabricate(:workshop, chapter: chapter, date_and_time: 1.week.ago)
+
+      member_old = Fabricate(:member, groups: [group])
+      member_new = Fabricate(:member, groups: [group])
+      _member_no_rsvp = Fabricate(:member, groups: [group])
+
+      Fabricate(:workshop_invitation, workshop: old_workshop, member: member_old, attending: true)
+      Fabricate(:workshop_invitation, workshop: new_workshop, member: member_new, attending: true)
+
+      results = Group.members_by_recent_rsvp(group).to_a
+
+      expect(results.first).to eq(member_new)
+      expect(results.last).to eq(_member_no_rsvp)
+    end
+  end
 end