Self check-in for events and workshops

Gemfile

@@ -126,6 +126,9 @@ end
 
 gem 'rollbar'
 gem 'scout_apm'
+gem 'rqrcode'
+gem 'prawn'
+gem 'prawn-svg', '~> 0.35'
 
 gem 'carrierwave-aws', '~> 1.6'
 gem 'sitemap_generator', '~> 7.0'

Gemfile.lock

@@ -149,6 +149,7 @@ GEM
       carrierwave (>= 2.0, < 4)
     childprocess (5.1.0)
       logger (~> 1.5)
+    chunky_png (1.4.0)
     cocoon (1.2.15)
     coderay (1.1.3)
     coffee-script (2.4.1)
@@ -351,6 +352,7 @@ GEM
     parser (3.3.11.1)
       ast (~> 2.4.1)
       racc
+    pdf-core (0.9.0)
     pg (1.6.3-aarch64-linux)
     pg (1.6.3-arm64-darwin)
     pg (1.6.3-x86_64-darwin)
@@ -364,6 +366,14 @@ GEM
     popper_js (2.11.8)
     pp (0.6.3)
       prettyprint
+    prawn (2.4.0)
+      pdf-core (~> 0.9.0)
+      ttfunk (~> 1.7)
+    prawn-svg (0.40.3)
+      css_parser (>= 1.17.1, < 4)
+      matrix (~> 0.4.2)
+      prawn (>= 0.11.1, < 3)
+      rexml (>= 3.4.2, < 4)
     premailer (1.29.0)
       addressable
       css_parser (>= 1.19.0)
@@ -464,6 +474,10 @@ GEM
     rolify (6.0.1)
     rollbar (3.8.0)
     rouge (4.1.3)
+    rqrcode (3.2.0)
+      chunky_png (~> 1.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.1.0)
     rspec-collection_matchers (1.2.1)
       rspec-expectations (>= 2.99.0.beta1)
     rspec-core (3.13.6)
@@ -574,6 +588,7 @@ GEM
     tilt (2.7.0)
     timeout (0.6.1)
     tsort (0.2.0)
+    ttfunk (1.7.0)
     turbo-rails (2.0.23)
       actionpack (>= 7.1.0)
       railties (>= 7.1.0)
@@ -668,6 +683,8 @@ DEPENDENCIES
   parallel_tests
   pg
   pickadate-rails
+  prawn
+  prawn-svg (~> 0.35)
   premailer-rails
   pry-byebug
   pry-rails
@@ -682,6 +699,7 @@ DEPENDENCIES
   reline
   rolify
   rollbar
+  rqrcode
   rspec-collection_matchers
   rspec-rails
   rubocop
@@ -747,6 +765,7 @@ CHECKSUMS
   carrierwave (3.1.3) sha256=b99324c5ea63c55ce0776bc0e997c1c70cdd3a490a7458d23a8978930c76541a
   carrierwave-aws (1.6.1) sha256=ad9eb8cc677c0b9371bd3534b53689ca731ddc6d04fe764e131e298f36adb13b
   childprocess (5.1.0) sha256=9a8d484be2fd4096a0e90a0cd3e449a05bc3aa33f8ac9e4d6dcef6ac1455b6ec
+  chunky_png (1.4.0) sha256=89d5b31b55c0cf4da3cf89a2b4ebc3178d8abe8cbaf116a1dba95668502fdcfe
   cocoon (1.2.15) sha256=d08f14e69653287d7a060ee43389b8c824e55191dffbca0c5c586f38ef491f0d
   coderay (1.1.3) sha256=dc530018a4684512f8f38143cd2a096c9f02a1fc2459edcfe534787a7fc77d4b
   coffee-script (2.4.1) sha256=82fe281e11b93c8117b98c5ea8063e71741870f1c4fbb27177d7d6333dd38765
@@ -843,6 +862,7 @@ CHECKSUMS
   parallel (2.1.0) sha256=b35258865c2e31134c5ecb708beaaf6772adf9d5efae28e93e99260877b09356
   parallel_tests (5.7.0) sha256=3f1762c46ca2c223b8af8ef877217f9d76974e191bfa934f2580b58bcf1d005c
   parser (3.3.11.1) sha256=d17ace7aabe3e72c3cc94043714be27cc6f852f104d81aa284c2281aecc65d54
+  pdf-core (0.9.0) sha256=4f368b2f12b57ec979872d4bf4bd1a67e8648e0c81ab89801431d2fc89f4e0bb
   pg (1.6.3-aarch64-linux) sha256=0698ad563e02383c27510b76bf7d4cd2de19cd1d16a5013f375dd473e4be72ea
   pg (1.6.3-arm64-darwin) sha256=7240330b572e6355d7c75a7de535edb5dfcbd6295d9c7777df4d9dddfb8c0e5f
   pg (1.6.3-x86_64-darwin) sha256=ee2e04a17c0627225054ffeb43e31a95be9d7e93abda2737ea3ce4a62f2729d6
@@ -851,6 +871,8 @@ CHECKSUMS
   playwright-ruby-client (1.59.0) sha256=b9e66233ed7b83e917980badc27ecd233e244503c74772a3854dbd5d41438c21
   popper_js (2.11.8) sha256=f4b0be717fc0d50bdb3dbbc55788525a9e0e8f640b76c9971fc34ee609eadbd2
   pp (0.6.3) sha256=2951d514450b93ccfeb1df7d021cae0da16e0a7f95ee1e2273719669d0ab9df6
+  prawn (2.4.0) sha256=82062744f7126c2d77501da253a154271790254dfa8c309b8e52e79bc5de2abd
+  prawn-svg (0.40.3) sha256=26237d3a7268143b5ffc6c1354ab93d0a4b81366573c749b6316e6f6f7733c0c
   premailer (1.29.0) sha256=015f30c520701f3d47fd898886a3eaf4e5171efcc5fd239b872efd1ba61d3da0
   premailer-rails (1.12.0) sha256=c13815d161b9bc7f7d3d81396b0bb0a61a90fa9bd89931548bf4e537c7710400
   prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
@@ -887,6 +909,8 @@ CHECKSUMS
   rolify (6.0.1) sha256=fe45fbf70c4033ccada6f9ccc02b946eeaad044ea5d3e38546ae408d3adeb5b6
   rollbar (3.8.0) sha256=655d2783c84c854634f4a1045f34ff8d390596ee4c481f01fe1b214423047a3e
   rouge (4.1.3) sha256=9c8663db26e05e52b3b0286daacae73ebb361c1bd31d7febd8c57087faa0b9a5
+  rqrcode (3.2.0) sha256=64c1494ca6bb67d731330f38b50e3fd09eeab4f5dcd04b608e21218d1d0b9542
+  rqrcode_core (2.1.0) sha256=f303b85df89c1b8fc5ee8dc19808c9dc4330e6329b660d99d4a8cbb36ca13051
   rspec-collection_matchers (1.2.1) sha256=ff7626d2bbf16ac237fbb46439694c78b7d9c6dc49c4b216df437968133b56a2
   rspec-core (3.13.6) sha256=a8823c6411667b60a8bca135364351dda34cd55e44ff94c4be4633b37d828b2d
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
@@ -929,6 +953,7 @@ CHECKSUMS
   tilt (2.7.0) sha256=0d5b9ba69f6a36490c64b0eee9f6e9aad517e20dcc848800a06eb116f08c6ab3
   timeout (0.6.1) sha256=78f57368a7e7bbadec56971f78a3f5ecbcfb59b7fcbb0a3ed6ddc08a5094accb
   tsort (0.2.0) sha256=9650a793f6859a43b6641671278f79cfead60ac714148aabe4e3f0060480089f
+  ttfunk (1.7.0) sha256=2370ba484b1891c70bdcafd3448cfd82a32dd794802d81d720a64c15d3ef2a96
   turbo-rails (2.0.23) sha256=ee0d90733aafff056cf51ff11e803d65e43cae258cc55f6492020ec1f9f9315f
   tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b
   tzinfo-data (1.2026.2) sha256=7db0d3d3d53b8d7601fc183fccc8c6d056a3004e14eb59ea995bf6aec4ae10bc

app/controllers/admin/check_ins_controller.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class Admin::CheckInsController < Admin::ApplicationController
+  before_action :load_parent
+
+  def show
+    authorize @parent
+    @parent.generate_check_in_code! if @parent.check_in_code.blank?
+
+    respond_to do |format|
+      format.html
+      format.pdf do
+        pdf = CheckInPdf.new(@parent).render
+        send_data pdf,
+                  filename: "check-in-#{@parent.to_param}.pdf",
+                  type: "application/pdf",
+                  disposition: "attachment"
+      end
+    end
+  end
+
+  private
+
+  def load_parent
+    if params[:event_id]
+      @parent = Event.find_by!(slug: params[:event_id])
+    elsif params[:workshop_id]
+      @parent = Workshop.find(params[:workshop_id])
+    end
+  end
+end

app/controllers/admin/invitation_controller.rb

@@ -5,7 +5,7 @@ class Admin::InvitationController < Admin::ApplicationController
 
   def update
     invitation = Invitation.find_by(token: params[:invitation][:id])
-    invitation.update(attending: true, verified: true, verified_by: current_user)
+    invitation.update(attending: true, verified: true, verified_by: current_user, source: "admin")
 
     EventInvitationMailer.attending(invitation.event, invitation.member, invitation).deliver_now
 
@@ -17,7 +17,7 @@ def update
 
   def verify
     invitation = Invitation.find_by(token: params[:invitation_id])
-    invitation.update(verified: true, verified_by_id: current_user.id)
+    invitation.update(verified: true, verified_by_id: current_user.id, source: "admin")
 
     EventInvitationMailer.attending(invitation.event, invitation.member, invitation).deliver_now
 

app/controllers/admin/invitations_controller.rb

@@ -38,7 +38,7 @@ def update_attendance(attending:, attended:)
   end
 
   def update_to_attended
-    @invitation.update(attended: true)
+    @invitation.update(attended: true, source: "admin")
   end
 
   def update_to_unattended
@@ -50,7 +50,8 @@ def update_to_attending
       attending: true,
       rsvp_time: Time.zone.now,
       automated_rsvp: true,
-      last_overridden_by_id: current_user.id
+      last_overridden_by_id: current_user.id,
+      source: "admin"
     )
 
     {

app/controllers/check_ins_controller.rb

@@ -0,0 +1,102 @@
+# frozen_string_literal: true
+
+class CheckInsController < ApplicationController
+  before_action :load_parent
+  before_action :store_referer_path, only: [:new]
+  before_action :authenticate_member!, only: [:new]
+
+  def new
+    @invitation = find_invitation
+    @suggested_role = infer_role
+    @already_checked_in = already_checked_in?(@invitation)
+  end
+
+  def create
+    role = params[:role]
+    invitation = find_or_create_invitation(role)
+    mark_attended(invitation)
+    redirect_to check_in_confirm_path
+  end
+
+  def confirm
+    @invitation = find_invitation
+  end
+
+  private
+
+  def load_parent
+    @parent = Event.find_by(check_in_code: params[:code]) ||
+              Workshop.find_by(check_in_code: params[:code])
+    raise ActiveRecord::RecordNotFound unless @parent
+  end
+
+  helper_method :check_in_submit_path, :check_in_confirm_path
+
+  def check_in_submit_path
+    @parent.is_a?(Event) ?
+      check_in_e_path(code: @parent.check_in_code) :
+      check_in_w_path(code: @parent.check_in_code)
+  end
+
+  def check_in_confirm_path
+    @parent.is_a?(Event) ?
+      check_in_e_confirm_path(code: @parent.check_in_code) :
+      check_in_w_confirm_path(code: @parent.check_in_code)
+  end
+
+  def store_referer_path
+    session[:referer_path] = request.path unless logged_in?
+  end
+
+  def already_checked_in?(invitation)
+    return false unless invitation
+
+    if @parent.is_a?(Event)
+      invitation.verified?
+    else
+      invitation.attended?
+    end
+  end
+
+  def find_invitation
+    if @parent.is_a?(Event)
+      Invitation.find_by(event: @parent, member: current_user)
+    else
+      WorkshopInvitation.find_by(workshop: @parent, member: current_user)
+    end
+  end
+
+  def find_or_create_invitation(role)
+    if @parent.is_a?(Event)
+      Invitation.find_or_create_by!(event: @parent, member: current_user, role: role)
+    else
+      WorkshopInvitation.find_or_create_by!(workshop: @parent, member: current_user, role: role)
+    end
+  end
+
+  def mark_attended(invitation)
+    attrs = { attending: true, source: "check_in" }
+    if @parent.is_a?(Event)
+      attrs[:verified] = true
+    else
+      attrs[:attended] = true
+    end
+    invitation.update!(attrs)
+  end
+
+  def infer_role
+    return @invitation.role if @invitation.present?
+
+    groups = current_user.groups
+    student = groups.students.any?
+    coach = groups.coaches.any?
+
+    if student && !coach
+      "Student"
+    elsif coach && !student
+      "Coach"
+    else
+      nil
+    end
+  end
+end

app/controllers/events_controller.rb

@@ -44,7 +44,7 @@ def rsvp
     ticket = Services::Ticket.new(request, params)
     member = Member.find_by(email: ticket.email)
     invitation = member.invitations.where(event: @event, role: 'Student').first
-    invitation ||= Invitation.create(event: @event, member: member, role: 'Student')
+    invitation ||= Invitation.create(event: @event, member: member, role: 'Student', source: 'email')
 
     invitation.update(attending: true)
     head :ok
@@ -63,7 +63,7 @@ def latest_model_updated
 
   def find_invitation_and_redirect_to_event(role)
     set_event
-    @invitation = Invitation.find_or_create_by(event: @event, member: current_user, role: role)
+    @invitation = Invitation.find_or_create_by(event: @event, member: current_user, role: role, source: 'email')
     redirect_to event_invitation_path(@event, @invitation)
   end
 

app/controllers/workshops_controller.rb

@@ -46,7 +46,8 @@ def find_attending_invitation(workshop, user)
   def find_or_create_invitation(workshop, user, role)
     WorkshopInvitation.find_or_create_by(workshop: workshop,
                                          member: user,
-                                         role: role)
+                                         role: role,
+                                         source: 'email')
   end
 
   def user_attending_or_waitlisted?(workshop, user)