Carnival Creation

app/assets/javascripts/carnival_creation.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/carnival_creation.scss

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+// Place all the styles related to the CarnivalCreation controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+
+.card {
+  margin: auto;
+  width: 70%;
+  border: 2px solid #eeeeee;
+  border-radius: 7px;
+  padding: 10px 10px 50px;
+  background-color: #eeeeee;
+  text-align: center;
+}
+
+input[type='file'] {
+  margin: auto 35%;
+}
+
+.table-success {
+  background-color: #b5e2b9;
+}
+
+.table-danger {
+  background-color: #edb8b4;
+}
+
+.required:after { 
+  content:"*";
+  color: red;
+}
+

app/controllers/carnival_creation_controller.rb

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+class CarnivalCreationController < ApplicationController
+  def show_uploader
+  end
+
+  def show_diff
+    @organization_adds = Rails.cache.read('organization_insertions') | Rails.cache.read('organization_reactivations')
+    @participant_adds = Rails.cache.read('participant_insertions') | Rails.cache.read('participant_reactivations')
+    @membership_adds = Rails.cache.read('membership_insertions') |  Rails.cache.read('membership_reactivations')
+    @tool_adds = Rails.cache.read('tool_insertions') |  Rails.cache.read('tool_reactivations')
+    @shift_adds = Rails.cache.read('shift_insertions')
+
+    @organization_deactivations = Rails.cache.read('organization_deactivations')
+    @participant_deactivations = Rails.cache.read('participant_deactivations')
+    @membership_deactivations = Rails.cache.read('membership_deactivations')
+    @tool_deactivations = Rails.cache.read('tool_deactivations')
+  end
+
+  def upload_csvs
+    c = CsvUpdater.new()
+    c.add_from_csv(params[:organization_csv].tempfile, 'organization')
+    c.add_from_csv(params[:participant_csv].tempfile, 'participant')
+    c.add_from_csv(params[:participant_csv].tempfile, 'membership')
+    c.add_from_csv(params[:tool_csv].tempfile, 'tool')
+    c.add_from_csv(params[:shift_csv].tempfile, 'shift')
+    redirect_to :show_diff
+  end
+
+  def commit_changes
+    # TODO: dump current DB state
+    c = CsvUpdater.new()
+    c.run_mandatory_seeds()
+
+    # clear the cache, where all info about insertions/deletions was stored
+    Rails.cache.clear
+
+    redirect_to :show_end_index
+  end
+
+  def show_end_index
+  end
+end

app/helpers/carnival_creation_helper.rb

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+module CarnivalCreationHelper
+end