Added city radius provider option

app/controllers/conference_administration_controller.rb

@@ -106,6 +106,8 @@ class ConferenceAdministrationController < ApplicationController
     end
 
     def administrate_providers
+      @conditions = Conference.default_provider_conditions.deep_merge(
+        @this_conference.provider_conditions || {})
     end
 
     def administrate_payment_message
@@ -1195,6 +1197,23 @@ class ConferenceAdministrationController < ApplicationController
       return false
     end
 
+    def admin_update_providers
+      case params[:button]
+      when 'save_distance'
+        @this_conference.provider_conditions ||= Conference.default_provider_conditions
+        @this_conference.provider_conditions['distance'] = {
+          'number' => params[:distance_number],
+          'unit' => params[:distance_unit]
+        }
+        @this_conference.save
+        set_success_message :distance_saved
+        return false
+      end
+
+      do_404
+      return false
+    end
+
     def get_empty(hash, keys)
       keys = [keys] unless keys.is_a?(Array)
       keys.each do | key |

app/controllers/conferences_controller.rb

@@ -330,7 +330,7 @@ class ConferencesController < ApplicationController
     steps -= [:questions] unless status == :open
     steps -= [:payment] unless status == :open && conference.paypal_email_address.present? && conference.paypal_username.present? && conference.paypal_password.present? && conference.paypal_signature.present?
     if @registration.present?
-      if @registration.city_id == conference.city_id
+      if view_context.potential_provider(@registration)
         steps -= [:questions]
         
         # if this is a housing provider that is not attending the conference, remove these steps

app/helpers/application_helper.rb

@@ -2191,6 +2191,24 @@ module ApplicationHelper
     }
   end
 
+  def potential_provider(registration)
+    return false unless registration.present? && registration.city.present? && registration.conference.present?
+    conditions = registration.conference.provider_conditions ||
+                 Conference.default_provider_conditions
+    return city_distance_less_than(registration.conference.city, registration.city,
+                                   (conditions['distance']['number'] || '0').to_i,
+                                   conditions['distance']['unit'])
+  end
+
+  def city_distance_less_than(city1, city2, max_distance, unit)
+    return false if city1.nil? || city2.nil?
+    return true if city1.id == city2.id
+    return false if max_distance < 1
+    return Geocoder::Calculations.distance_between(
+      [city1.latitude, city1.longitude], [city2.latitude, city2.longitude],
+      units: unit.to_sym) < max_distance
+  end
+
   private
     def _original_content(value, lang)
       content_tag(:div, (

app/helpers/registration_helper.rb

@@ -8,7 +8,7 @@ module RegistrationHelper
     completed_steps = registration.steps_completed || []
     registration_complete = registration_complete?(registration)
 
-    if registration.city_id == registration.conference.city_id
+    if potential_provider(registration)
       steps -= [:questions]
     else
       steps -= [:hosting]

app/models/conference.rb

@@ -153,4 +153,8 @@ class Conference < ActiveRecord::Base
     Conference.conference_types[(type || :annual).to_sym][:title].gsub('%{city}', city).gsub('%{year}', year.to_s)
   end
 
+  def self.default_provider_conditions
+    { 'distance' => { 'number' => 0, 'unit' => 'mi' }}
+  end
+
 end

app/views/conference_administration/_providers.html.haml

@@ -1,2 +1,10 @@
+= admin_update_form do
   = columns(medium: 12) do
-  TO COME
+    %h3=_'articles.admin.housing.headings.provider_distance', :t
+    %p=_'articles.admin.housing.descriptions.provider_distance', :p, vars: { city: @this_conference.city_name }
+  = columns(medium: 12, class: 'flex-column') do
+    = numberfield :distance_number, @conditions['distance']['number'], step: 1, min: 0, stretch: true, label: false
+    = selectfield :distance_unit, @conditions['distance']['unit'], [:km, :mi], label: false, inline: true
+  = columns(medium: 12) do
+    .actions.right
+      = button_tag :save, value: :save_distance

config/locales/en.yml

@@ -243,6 +243,7 @@ en:
         org_member_removed: User removed from organization
         administrator_added: Administrator added to conference
         administrator_removed: Administrator removed from conference
+        distance_saved: Provider options updated
   helpers:
     select:
       prompt: Please select
@@ -999,8 +1000,10 @@ en:
           arrival_departure: In City
           providers: Housing Providers
           housing: Arrange Housing
+          provider_distance: Distance from host city
         descriptions:
           providers: Although most housing providers shuold be encouraged to supply their own details through the registration process, you can add and edit housing provider details manually here.
+          provider_distance: Any registrant who enters their location in the same city as the conference will get a housing provider form during registration instead of a guest form. If you want to consider surrounding cities as well, enter the distance from %{city} that you wish to be included as providers. Cities are measured from center to center.
           housing: Pair each housing provider with a list of guests.
       locations:
         heading: Locations

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170110061048) do
+ActiveRecord::Schema.define(version: 20170111013903) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -180,6 +180,7 @@ ActiveRecord::Schema.define(version: 20170110061048) do
     t.integer  "city_id"
     t.boolean  "is_public"
     t.boolean  "is_featured"
+    t.json     "provider_conditions"
   end
 
   create_table "delayed_jobs", force: :cascade do |t|