proper error handling

app/assets/javascripts/survival_calc.js

@@ -33,9 +33,8 @@ function findCity(city, state){
 						initialize(data.response[i].Lat, data.response[i].Long, "grocery");
 					}
 				}
-			}
-			else if (data.response.length === 0){
-				$("#results").append("<p class='no-data'>No Data Found</p>");
+			} else {
+				$("#results").append("They didn't make it...");
 			}
 		}
 	});
@@ -68,6 +67,11 @@ function callback(results, status) {
     	var score = algorithm(population, stores);
     	$("#results").append("<p>Chance Of Survival: " + score + "%</p>");
     }
+  } else {
+  	runCount++;
+  	if (runCount === 2){
+  		$("#results").append("They didn't make it...");
+  	}
   }
 }
 

app/models/city.rb

@@ -0,0 +1,20 @@
+class City < ActiveRecord::Base
+
+	def initialize(name, population, x, y)
+		@name = name
+		@population = population
+		@x_pos = x
+		@y_pos = y
+	end
+
+	def set_delay(city_b)
+		distance = Math.sqrt( (@x_pos - city_b.x_pos)**2 + (@y_pos - city_b.y_pos)**2 )
+		@delay = distance / 10
+	end
+
+	def find_infection_rate
+		if @population > 1000000
+			@infection_rate
+	end
+
+end

db/migrate/20141007154526_create_cities_table.rb

@@ -0,0 +1,12 @@
+class CreateCitiesTable < ActiveRecord::Migration
+  def change
+    create_table :cities do |t|
+    	t.integer :population
+    	t.float :x_pos
+    	t.float :y_pos
+    	t.integer :delay
+    	t.integer :infect_rate
+    	t.string :name
+    end
+  end
+end

db/schema.rb

@@ -11,9 +11,18 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 0) do
+ActiveRecord::Schema.define(version: 20141007154526) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "cities", force: true do |t|
+    t.integer "population"
+    t.float   "x_pos"
+    t.float   "y_pos"
+    t.integer "delay"
+    t.integer "infect_rate"
+    t.string  "name"
+  end
+
 end