Commit 929da75

@@ -1,8 +1,9 @@
 class Gym < ActiveRecord::Base
   validates_presence_of :name
-  has_one :location, as: :locatable
+  has_one :location, as: :locatable, dependent: :destroy
   accepts_nested_attributes_for :location
   acts_as_mappable through: :location
+  delegate :full_address, to: :location, allow_nil: true
 
   scope :closest_to, ->(location, distance: 100) do
     if location.present? && location.coordinates.present?
@@ -56,7 +57,12 @@ class Gym < ActiveRecord::Base
     end
   end
 
-  def full_address
-    "#{location.try(:address)}, #{location.try(:city)}, #{location.try(:region)}, #{location.try(:country)}"
+  def duplicate?
+    Gym.
+      within(1, units: :kms, origin: location.coordinates).
+      joins(:location).
+      where.not(id: id).
+      limit(1).
+      any?
   end
 end

@@ -6,6 +6,10 @@ class Location < ActiveRecord::Base
     lat_column_name: :latitude,
     lng_column_name: :longitude
 
+  def full_address
+    "#{try(:address)}, #{try(:city)}, #{try(:region)}, #{try(:country)}"
+  end
+
   def coordinates
     latitude == 0.0 && longitude == 0.0 ? [] : [latitude, longitude]
   end

@@ -16,7 +16,7 @@
         <% end %>
       </td>
       <td>
-        <% if gym.new_record? %>
+        <% if gym.new_record? && !gym.duplicate? %>
           <%= form_for(gym) do |form| %>
             <%= form.hidden_field :name %>
             <%= form.fields_for :location do |location_form| %>

@@ -104,4 +104,33 @@ describe Gym do
       ).map(&:name)).to match_array(["Sait Campus Centre"])
     end
   end
+
+  describe "#full_address" do
+    let(:location) { build(:location) }
+
+    it 'returns the full address' do
+      subject.location = location
+      expected = "#{location.address}, " +
+        "#{location.city}, " +
+        "#{location.region}, " +
+        "#{location.country}"
+      expect(subject.full_address).to eql(expected)
+    end
+  end
+
+  describe "#duplicate?" do
+    it 'returns true when a dup is found' do
+      subject.location = create(:portland)
+      subject.save!
+      other = create(:gym, location: create(:portland))
+
+      expect(subject.duplicate?).to be_truthy
+    end
+
+    it 'returns false when no dups are found' do
+      subject.location = create(:portland)
+      subject.save!
+      expect(subject.duplicate?).to be_falsey
+    end
+  end
 end