Add User and Hydrant classes

app/models/hydrant.rb

@@ -0,0 +1,7 @@
+class Hydrant < ActiveRecord::Base
+  belongs_to :user
+
+  def self.find_closest(lat, lng, limit=20)
+    Hydrant.find_by_sql(["SELECT *, (3959 * ACOS(COS(RADIANS(?)) * COS(RADIANS(lat)) * COS(radians(lng) - RADIANS(?)) + SIN(RADIANS(?)) * SIN(RADIANS(lat)))) AS distance FROM hydrants ORDER BY distance LIMIT ?", lat, lng, lat, limit])
+  end
+end

app/models/user.rb

@@ -0,0 +1,3 @@
+class User < ActiveRecord::Base
+  has_many :hydrants
+end

db/migrate/20110223180520_create_users.rb

@@ -0,0 +1,15 @@
+class CreateUsers < ActiveRecord::Migration
+  def self.up
+    create_table :users do |t|
+      t.timestamps
+      t.string :name
+      t.integer :voice_number
+      t.integer :sms_number
+      t.string :email
+    end
+  end
+
+  def self.down
+    drop_table :users
+  end
+end

db/migrate/20110223180521_create_hydrants.rb

@@ -0,0 +1,16 @@
+class CreateHydrants < ActiveRecord::Migration
+  def self.up
+    create_table :hydrants do |t|
+      t.timestamps
+      t.decimal :lat
+      t.decimal :lng
+      t.integer :city_id
+      t.integer :user_id
+    end
+    add_index :hydrants, :city_id, :unique => true
+  end
+
+  def self.down
+    drop_table :hydrants
+  end
+end

db/schema.rb

@@ -10,6 +10,26 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 0) do
+ActiveRecord::Schema.define(:version => 20110223180521) do
+
+  create_table "hydrants", :force => true do |t|
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.decimal  "lat"
+    t.decimal  "lng"
+    t.integer  "city_id"
+    t.integer  "user_id"
+  end
+
+  add_index "hydrants", ["city_id"], :name => "index_hydrants_on_city_id", :unique => true
+
+  create_table "users", :force => true do |t|
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.string   "name"
+    t.integer  "voice_number"
+    t.integer  "sms_number"
+    t.string   "email"
+  end
 
 end

test/fixtures/hydrants.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+
+# This model initially had no columns defined.  If you add columns to the
+# model remove the '{}' from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+#  column: value

test/fixtures/users.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+
+# This model initially had no columns defined.  If you add columns to the
+# model remove the '{}' from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+#  column: value

test/unit/hydrant_test.rb

@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class HydrantTest < ActiveSupport::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end

test/unit/user_test.rb

@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class UserTest < ActiveSupport::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end