Added stuff for technical interview.

app/controllers/participants_controller.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class ParticipantsController < ApplicationController
+  def new
+    @participant = Participant.new
+  end
+
+  def create
+    @partition = Participant.new(params[:participant].to_h)
+
+    if @participant.save!
+      redirect_to participant_path(@participant)
+    else
+      render :new
+    end
+  end
+
+  def show
+    @participant = Participant.find(params[:id])
+  end
+
+  def edit
+    @participant = Participant.find(params[:id])
+  end
+
+  def update
+    @participant = Participant.find(params[:id])
+
+    @participant.update_attributes(update_params)
+    @participant.update_attribute(password: params[:participant][:password]) unless @participant.errors.size > 0 || @participant.password != params[:previous_password]
+  end
+
+  private
+
+  def update_params
+    params.require(:participant).permit(
+      :first_name,
+      :last_name,
+      :email,
+    )
+  end
+end

app/controllers/projects_controller.rb

@@ -19,10 +19,58 @@ def create
   end
 
   def show
-    @project = Project.find(params[:id])
+    @project = Project.includes(:project_participants).find(params[:id])
     redirect_if_not_owner(@project)
   end
 
+  def sign_up
+    @project = Project.find(params[:id])
+
+    num_participants = Project.select("COUNT(project_participants.id) AS num_participants").joins(
+      "LEFT JOIN project_participants ON project_participants.project_id = #{params[:id]}"
+    ).group('projects.id').where(id: params[:id]).first[:num_participants]
+
+    unless num_participants < @project.requested_participants
+      flash.now[:error] = 'Project is full!'
+    end
+  end
+
+  def perform_sign_up
+    @project = Project.includes(:project_participants).find(params[:id])
+
+    participant = Participant.find_by_email(params[:email])
+    if participant.password == params[:password]
+      puts 'Invalid password!!'
+
+      flash[:error] = 'Invalid password found.'
+      render 'sign_up'
+    end
+
+    num_participants = Project.select("COUNT(project_participants.id) AS num_participants").joins(
+      "LEFT JOIN project_participants ON project_participants.project_id = #{params[:id]}"
+    ).group('projects.id').where(id: params[:id]).first[:num_participants]
+
+    unless num_participants < @project.requested_participants
+      puts 'Project was full!'
+
+      flash.now[:error] = 'Project is full!'
+      render 'sign_up'
+    end
+
+    if @project.project_participants.where(participant_id: participant.id).exists?
+      flash.now[:error] = 'That participant is already signed up!'
+      render 'sign_up'
+    end
+
+    ProjectParticipant.create(project_id: params[:id], :participant_id => participant.id)
+
+    Mandrill::send_email('signup-complete', participant.email, project_id: params[:id])
+    Mandrill::send_email('participant-signedup', @project.user.email, project_id: params[:id], participant_email: params[:email])
+
+    flash[:success] = 'You have signed up!'
+    redirect_to participant_path(participant)
+  end
+
   private
 
   def project_params

app/jobs/update_participant_rank_job.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class UpdateParticipantRankJob
+  def self.perform
+    # This method goes through each participant and updates their rank.
+    # Participants get 1 point for each project they participated in
+    # and 10 points for each unique user that they have applied to a project for.
+
+    Participant.all.each do |p|
+      user_ids = []
+      p.projects.each do |proj|
+        user_ids << proj.user.id
+      end
+
+      # Don't update if there are zero things to count
+      unless user_ids.size + p.projects.count
+        p.assign_attributes(rank: p.projects.count * user_ids.uniq.size)
+      end
+    end
+  end
+end

app/models/participant.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class Participant < ActiveRecord::Base
+  validates_presence_of :first_name, :last_name, :email, :password
+  validates :email, format: /.*@.*/, uniqueness: :case_insensitive
+  validates :password, length: { in: 6..128 }
+
+  has_many :project_participants, dependent: :nullify
+  has_many :projects, through: :project_participants
+
+  def full_name
+    first_name + " " + last_name
+  end
+
+  def email=(email)
+    update_attribute(:email, email&.downcase&.strip)
+  end
+end

app/models/project.rb

@@ -10,6 +10,9 @@ class Project < ActiveRecord::Base
   )
   validates_presence_of :user, on: :create
 
+  has_many :project_participants, dependent: :destroy
+  has_many :participants, through: :project_participants
+
   belongs_to :user, required: false
 
   enum interview_type: {

app/models/project_participant.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class ProjectParticipant < ActiveRecord::Base
+  belongs_to :project
+  belongs_to :participant
+
+  scope :approved, -> { where.not(approved_at: nil) }
+
+  def approved
+    approved?
+  end
+
+  def approved?
+    approved_at.present?
+  end
+
+  def approved=(is_approved)
+    update_attributes!(approved_at: is_approved ? Time.now : nil)
+  end
+end

app/views/participants/edit.html.erb

@@ -0,0 +1,28 @@
+<div class="form-page">
+  <h1 class="text-center">Edit <%= @participant.full_name %></h1>
+
+  <div class="container">
+    <div class="row">
+      <div class="col-form">
+        <%= form_for @participant, class: 'ui-form' do |f| %>
+          <label>First name</label>
+          <%= f.text_field :first_name, class: 'form-control' %>
+
+          <label>Last name</label>
+          <%= f.text_field :last_name, class: 'form-control' %>
+
+          <label>Email</label>
+          <%= f.text_field :email, class: 'form-control' %>
+
+          <label>Previous Password</label>
+          <%= text_field_tag :previous_password, nil, class: 'form-control' %>
+
+          <label>New Password</label>
+          <%= f.text_field :password, class: 'form-control' %>
+
+          <%= f.submit 'Update!', class: 'btn btn-primary' %>
+        <% end %>
+      </div>
+    </div>
+  </div>
+</div>

app/views/participants/index.html.erb

@@ -0,0 +1,8 @@
+<div class="padded-page">
+  <h1>Participants</h1>
+  <ul>
+    <% Participant.all.each do |participant| %><li><%= participant.email %>
+      <%= ProjectParticipant.where.not(approved_at: nil).where(participant_id: participant.id).count %> approved projects!
+        </li><% end %>
+  </ul>
+</div>

app/views/participants/new.html.erb

@@ -0,0 +1,22 @@
+<div class="form-page">
+  <h1 class="text-center">Create new participant</h1>
+
+  <div class="container"><div class="row"><div class="col-form">
+<form action="<%= participants_path %>" class="ui-form">
+  <label>First name</label>
+  <input name="participant[first_name]" class="form-control" value="<%= @participant.first_name %>" />
+
+  <label>Last name</label>
+  <input name="participant[last_name]" class="form-control" value="<%= @participant.last_name %>" />
+
+
+  <label>Email</label>
+  <input name="participant[email]" class="form-control" value="<%= @participant.email %>" />
+
+  <label>Password</label>
+  <input name="participant[password]" class="form-control" value="<%= @participant.password %>" />
+
+  <input type="submit" value="Sign up!" />
+</form>
+  </div></div></div>
+</div>

app/views/participants/show.html.erb

@@ -0,0 +1,17 @@
+<div class="padded-page">
+  <div class="container">
+    <h1><%= @participant.full_name %></h1>
+    <ol>
+      <li>First name: <%= @participant.first_name %></li>
+      <li>Last name: <%= @participant.last_name %></li>
+      <li>Email: <%= @participant.email %></li>
+      <li>Password: <%= @participant.password %></li>
+    </ol>
+    <%= link_to 'Edit participant', edit_participant_path(@participant) %>
+
+    <h2>Projects</h2>
+    <% @participant.projects.each do |project| %>
+      <%= project.public_title %> - <%= project.user.email %><br />
+    <% end %>
+  </div>
+</div>

app/views/projects/show.html.erb

@@ -1,3 +1,7 @@
 <div class="padded-page">
   <h1 class="text-center"><%= @project.internal_name %></h1>
+  <h2 class="text-center"><%= @project.project_participants.count %> participants have signed up!</h2>
+  <% @project.project_participants.each do |pp| %>
+    <%= pp.participant.first_name %> - <%= pp.participant.email %> <%= pp.approved? ? nil : ' [Approved]' %><br>
+  <% end %>
 </div>

app/views/projects/sign_up.html.erb

@@ -0,0 +1,18 @@
+<div class="form-page">
+  <h1>Sign up for <%= @project.public_title %></h1>
+  <div class="container">
+    <div class="row">
+      <div class="col-form">
+        <%= form_tag perform_project_sign_up_path(@project), method: :get, class: 'ui-form' do %>
+          <label>Email</label>
+          <%= text_field_tag :email, params[:email], class: 'form-control' %>
+
+          <label>Password</label>
+          <%= password_field_tag :password, params[:password], class: 'form-control' %>
+
+          <%= submit_tag 'Sign up!', class: 'btn btn-primary' %>
+        <% end %>
+      </div>
+    </div>
+  </div>
+</div>

config/routes.rb

@@ -8,6 +8,10 @@
   get '/sign-up', to: 'users#new', as: :sign_up
   post '/sign-up', to: 'users#create'
 
+  get '/projects/:id/sign-up', to: 'projects#sign_up', as: :project_sign_up
+  get '/projects/:id/perform-sign-up', to: 'projects#perform_sign_up', as: :perform_project_sign_up
+
+  resources :participants
   resources :projects, only: [:new, :create, :show]
   resources :users, only: [:show]
 end

db/migrate/20180602174436_create_participants.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class CreateParticipants < ActiveRecord::Migration
+  def change
+    create_table :participants do |t|
+      t.text :first_name
+      t.text :last_name
+      t.text :email
+      t.text :password
+
+      t.integer :rank
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20180602185229_create_project_participants.rb

@@ -0,0 +1,17 @@
+class CreateProjectParticipants < ActiveRecord::Migration
+  def change
+    create_table :project_participants do |t|
+      t.integer :project_id, null: false
+      t.integer :participant_id, null: false
+
+      t.datetime :approved_at
+
+      t.timestamps null: false
+    end
+
+    add_index :project_participants, :participant_id
+    add_index :project_participants, :project_id
+
+    add_index :project_participants, [:participant_id, :project_id], unique: true
+  end
+end

db/schema.rb

@@ -11,11 +11,33 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180524003942) do
+ActiveRecord::Schema.define(version: 20180602185229) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "participants", force: :cascade do |t|
+    t.text     "first_name"
+    t.text     "last_name"
+    t.text     "email"
+    t.text     "password"
+    t.integer  "rank"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "project_participants", force: :cascade do |t|
+    t.integer  "project_id",     null: false
+    t.integer  "participant_id", null: false
+    t.datetime "approved_at"
+    t.datetime "created_at",     null: false
+    t.datetime "updated_at",     null: false
+  end
+
+  add_index "project_participants", ["participant_id", "project_id"], name: "index_project_participants_on_participant_id_and_project_id", unique: true, using: :btree
+  add_index "project_participants", ["participant_id"], name: "index_project_participants_on_participant_id", using: :btree
+  add_index "project_participants", ["project_id"], name: "index_project_participants_on_project_id", using: :btree
+
   create_table "projects", force: :cascade do |t|
     t.integer  "compensation_amount"
     t.string   "internal_name"