bulk add opportunities

app/assets/stylesheets/opportunities.scss

@@ -1,6 +1,13 @@
 // Place all the styles related to the Opportunities controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
-.opportunities > table{
-  width: 60%;
-}
+
+.opportunities {
+  table {
+    width: 60%;
+  }
+
+  &.bulk-add table {
+    width: 100%;
+  }
+}

app/controllers/opportunities_controller.rb

@@ -29,6 +29,44 @@ def new
     @opportunity = Opportunity.new
   end
 
+  @@permitted_params = [:name, :address, :description, :registration_url, :location_name,
+                        :registration_deadline, :program_type, :logo_url, :starts_at,
+                        :ends_at, :online_address, :zipcode, :city, :state, :is_online,
+                        :hide_reason, :hide, :contact_name, :contact_email, :contact_phone,
+                        :registration_url, :price_level, :min_age, :max_age, :extra_data,
+                        :topic_id, :organizer_id, :resource_sub_type_id]
+
+  # GET,POST /opportunities/bulk-add
+  def bulk_add
+    @permitted_params = @@permitted_params
+    @opportunities = []
+    @nbad = 0
+    @nerrors = 0
+
+    if request.method == 'POST'
+      Opportunity.transaction do
+        CSV.parse(params[:csv].read, headers: true) do |row|
+          topic = Topic.find_by_name(row.delete('topic'))
+          sub_type = ResourceSubType.find_by_name(row.delete('resource_sub_type'))
+
+          row['organizer_id'] = params[:organizer_id]
+          row['topic_id'] = unless topic.nil? then topic.id else nil end
+          row['resource_sub_type_id'] = unless sub_type.nil? then sub_type.id else nil end
+
+          opportunity = Opportunity.create(row.to_h)
+          @opportunities.push(opportunity)
+          if opportunity.errors.count > 0
+            @nbad += 1
+            @nerrors += opportunity.errors.count
+          end
+        end
+      end
+    end
+
+    @topic_names = Topic.pluck(:name)
+    @sub_type_names = ResourceSubType.pluck(:name)
+  end
+
   # GET /opportunities/1/edit
   def edit
     authorize @opportunity
@@ -88,12 +126,6 @@ def set_organizers
 
     # Never trust parameters from the scary internet, only allow the white list through.
     def opportunity_params
-      permitted_params = [:name, :address, :description, :registration_url, :location_name,
-                          :registration_deadline, :program_type, :logo_url, :starts_at,
-                          :ends_at, :online_address, :zipcode, :city, :state, :is_online,
-                          :hide_reason, :hide, :contact_name, :contact_email, :contact_phone,
-                          :registration_url, :price_level, :min_age, :max_age, :extra_data,
-                          :organizer_id, :resource_sub_type_id]
-      params.require(:opportunity).permit(permitted_params)
+      params.require(:opportunity).permit(@@permitted_params)
     end
 end

app/models/opportunity.rb

@@ -8,6 +8,25 @@ class Opportunity < ActiveRecord::Base
 
   validates :resource_sub_type, presence: true
 
+  validates :name,              presence: true, allow_blank: false, uniqueness: { scope: :organizer }
+  validates :description,       presence: true, allow_blank: false
+  validates :registration_url,  presence: true, allow_blank: false
+  validates :program_type,      presence: true, allow_blank: false
+  validates :logo_url,          presence: true, allow_blank: false
+  validates :is_online,         presence: true
+  validates :contact_name,      presence: true, allow_blank: false
+  validates :contact_email,     presence: true, allow_blank: false
+  validates :contact_phone,     presence: true, allow_blank: false
+  validates :organizer,         presence: true, allow_blank: false
+
+  validates :price_level,       presence: true, :numericality => { :greater_than_or_equal_to => 0 }
+  validates :min_age,           presence: true, :numericality => { :greater_than_or_equal_to => 0 }
+  validates :max_age,           presence: true, :numericality => { :greater_than_or_equal_to => 0 }
+
+  validates :registration_deadline, presence: true
+  validates :starts_at,         presence: true
+  validates :ends_at,           presence: true
+
   def active_model_serializer
     OpportunitySerializer
   end

app/views/dashboard/opportunities.html.erb

@@ -2,6 +2,7 @@
 
 <div class="opportunities">
   <%= link_to '<button>Add New Opportunity</button>'.html_safe, new_opportunity_path %>
+  <%= link_to '<button>Bulk Add New Opportunities</button>'.html_safe, bulk_add_opportunities_path %>
 
   <br />
   <br />
@@ -23,4 +24,4 @@
       <% end %>
     </tbody>
   </table>
-</div>
+</div>

app/views/opportunities/bulk_add.html.erb

@@ -0,0 +1,89 @@
+<h1 class="page">Dashboard > Bulk Add Opportunities</h1>
+
+<div class="opportunities bulk-add">
+  <%= form_tag({action: :bulk_add}, multipart: true) do %>
+
+  <h2>Step 1: Set the Organizer</h2>
+
+  <%= select_tag(:organizer_id, options_for_select(current_user.organizers.map {|o| [o.name, o.id]})) %>
+
+
+  <h2>Step 2: Download the CSV Template</h2>
+
+  <p><a href="/opportunities.csv">Download the CSV template</a> to see what
+  fields are required and example values showing the expected format. Edit it
+  in Excel to enter your own data. Here are some notes on specific fields:</p>
+
+  <ul>
+    <li><b>program_type</b>&mdash;pick any value for this that makes sense for you</li>
+    <li><b>is_online</b>&mdash;"true" or "false"</li>
+    <li><b>topic</b>&mdash;must be: "<%= @topic_names.join('", "')%>"</li>
+    <li><b>resource_sub_type</b>&mdash;must be: "<%= @sub_type_names.join('", "')%>"</li>
+  </ul>
+
+
+  <h2>Step 3: Upload Your CSV</h2>
+
+  <%= file_field_tag 'csv' %>
+  <%= submit_tag('Upload') %>
+  <% end %>
+
+
+  <style>
+    td.good { background: #CCFFCC; }
+    td.bad { background: #FFCCCC; }
+    h2.disabled { color: #CCC; }
+  </style>
+
+  <% if not @opportunities.present? %>
+  <h2 class="disabled">Step 4: Review Results</h2>
+  <% else  %>
+  <h2>Step 4: Review Results</h2>
+
+  <% if @nbad > 0 %>
+  <h3>We found <%= pluralize(@nerrors, "error") %> in <%= pluralize(@nbad, "record") %>.</h3>
+  <% end %>
+
+  <table class="pure-table pure-table-bordered">
+    <thead>
+      <tr>
+        <th>actions</th>
+        <% @permitted_params.each do |param| %>
+        <th><%= param %></th>
+        <% end %>
+      </tr>
+    </thead>
+
+    <tbody>
+      <% @opportunities.each do |opportunity| %>
+        <tr>
+          <% if opportunity.valid? %>
+          <td class="good">
+            <%= link_to "<button>show</button>".html_safe, opportunity %> 
+            <%= link_to "<button>edit</button>".html_safe, edit_opportunity_path(opportunity) %>
+          <% else %>
+          <td class="bad">
+            &#10008;
+          <% end %>
+          </td>
+          <% @permitted_params.each do |param| %>
+          <% if opportunity.errors[param].present? %>
+          <td class="bad">
+            <%= opportunity.send(param) %>
+            <ul>
+              <% opportunity.errors[param].each do |error| %>
+              <li><%= error %></li>
+              <% end %>
+            </ul>
+          <% else %>
+          <td class="good">
+            <%= opportunity.send(param) %>
+          <% end %>
+          </td>
+          <% end %>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+  <% end %>
+</div>

config/application.rb

@@ -1,6 +1,7 @@
 require File.expand_path('../boot', __FILE__)
 
 require 'rails/all'
+require 'csv'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.

config/routes.rb

@@ -2,19 +2,23 @@
   get 'dashboard/home'
 
   scope '/dashboard' do
-    
+
     root :to => 'application#index'
-    
+
     devise_for :users, :skip => [ :registrations ]
     resources :registrations, only: [:create] do
-      collection do 
+      collection do
         get 'organizer_registration'
       end
     end
     resources :topics
     resources :organizers
     resources :venues
-    resources :opportunities
+    resources :opportunities do
+      collection do
+        match 'bulk-add', action: :bulk_add, via: [:get, :post]
+      end
+    end
     resources :opportunity_instances
   end
 

public/opportunities.csv

@@ -0,0 +1,2 @@
+name,description,registration_deadline,starts_at,ends_at,registration_url,program_type,logo_url,is_online,contact_name,contact_email,contact_phone,price_level,min_age,max_age,topic,resource_sub_type
+Marbles,It's marble time!,2020-10-10,2020-10-10,2020-10-10,http://example.com/,Workshop,http://example.com/logo,true,Alice W. Underland,[email protected],+1-555-867-5309,10,0,1000,Making,Event