adding attempt counters

app/models/attempt.rb

@@ -8,10 +8,11 @@ class Attempt < ApplicationRecord
   belongs_to :question
 
   after_save :update_school_categories
+  after_commit :update_counts
 
   scope :for_category, -> (category) { joins(:question).merge(Question.for_category(category)) }
   scope :for_school, -> (school) { joins(:recipient).merge(Recipient.for_school(school)) }
-  scope :with_responses, -> { where('answer_index is not null')}
+  scope :with_response, -> { where('answer_index is not null or open_response_id is not null')}
 
   def send_message
     twilio_number = ENV['TWILIO_NUMBER']
@@ -42,4 +43,11 @@ class Attempt < ApplicationRecord
       school_category.sync_aggregated_responses
     end
 
+    def update_counts
+      recipient.update_attributes(
+        attempts_count: recipient.attempts.count,
+        responses_count: recipient.attempts.with_response.count
+      )
+    end
+
 end

app/models/question.rb

@@ -37,7 +37,7 @@ class Question < ApplicationRecord
   end
 
   def aggregated_responses_for_school(school)
-    school_responses = attempts.for_school(school).with_responses
+    school_responses = attempts.for_school(school).with_response.order(id: :asc)
     return unless school_responses.present?
 
     response_answer_total = school_responses.inject(0) { |total, response| total + response.answer_index }

app/views/schools/admin.html.haml

@@ -68,10 +68,14 @@
         %thead{style: 'font-weight: bold;'}
           %th Name
           %th Phone
+          %th Attempts
+          %th Responses
           %th{colspan: 2} Actions
         - @school.recipients.each do |recipient|
           %tr.recipient
             %td= link_to recipient.name, [@school, recipient]
             %td= recipient.phone
+            %td= recipient.attempts_count
+            %td= recipient.responses_count
             %td= link_to('Edit', edit_school_recipient_path(@school, recipient))
             %td= link_to('Delete', school_recipient_path(@school, recipient), method: :delete, data: {confirm: 'Are you sure you want to delete this recipient?'})

db/migrate/20170317141348_add_email_to_recipient.rb

@@ -0,0 +1,7 @@
+class AddEmailToRecipient < ActiveRecord::Migration[5.0]
+  def change
+    add_column :recipients, :email, :string
+    add_column :recipients, :slug, :string
+    add_index :recipients, :slug, unique: true
+  end
+end

db/migrate/20170317150205_add_counters_to_recipient.rb

@@ -0,0 +1,6 @@
+class AddCountersToRecipient < ActiveRecord::Migration[5.0]
+  def change
+    add_column :recipients, :attempts_count, :integer, default: 0
+    add_column :recipients, :responses_count, :integer, default: 0
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170316194122) do
+ActiveRecord::Schema.define(version: 20170317150205) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -102,11 +102,16 @@ ActiveRecord::Schema.define(version: 20170316194122) do
     t.string   "ethnicity"
     t.integer  "home_language_id"
     t.string   "income"
-    t.boolean  "opted_out"
+    t.boolean  "opted_out",        default: false
     t.integer  "school_id"
-    t.datetime "created_at",       null: false
-    t.datetime "updated_at",       null: false
+    t.datetime "created_at",                       null: false
+    t.datetime "updated_at",                       null: false
+    t.string   "email"
+    t.string   "slug"
+    t.integer  "attempts_count",   default: 0
+    t.integer  "responses_count",  default: 0
     t.index ["phone"], name: "index_recipients_on_phone", using: :btree
+    t.index ["slug"], name: "index_recipients_on_slug", unique: true, using: :btree
   end
 
   create_table "schedules", force: :cascade do |t|

spec/models/attempt_spec.rb

@@ -60,6 +60,31 @@ RSpec.describe Attempt, type: :model do
     end
   end
 
+  describe 'counters' do
+    it 'are updated when an attempt is created' do
+      expect(recipient.attempts_count).to eq(1)
+      expect(recipient.responses_count).to eq(0)
+    end
+
+    it 'are updated when an attempt is destroyed' do
+      attempt.destroy
+      expect(recipient.attempts_count).to eq(0)
+      expect(recipient.responses_count).to eq(0)
+    end
+
+    it 'are updated when an attempt is responded to' do
+      attempt.update_attributes(answer_index: 2)
+      expect(recipient.attempts_count).to eq(1)
+      expect(recipient.responses_count).to eq(1)
+    end
+
+    it 'are updated when an attempt is responded to with an open-ended response' do
+      attempt.update_attributes(open_response_id: 1)
+      expect(recipient.attempts_count).to eq(1)
+      expect(recipient.responses_count).to eq(1)
+    end
+  end
+
   describe 'send_message' do
     before :each do
       Timecop.freeze