Customised Search

app/controllers/orders_controller.rb

@@ -6,6 +6,26 @@ def index
     @orders = Order.unassigned.all
   end
 
+  def search
+    current_loc = Location.create(purchase_location_params)
+    destination = Location.create( longitude: delivery_location_params[:longitude_to],
+                                    latitude:  delivery_location_params[:latitude_to],
+                                    address:   delivery_location_params[:address_to])
+    delivery_trip = Trip.new(start_location_id: current_loc.id, end_location_id: destination.id)
+
+    @orders = Order.unassigned.all.sort do |x, y|
+                x_trip_distance = x.trip.distance(delivery_trip)
+                y_trip_distance = y.trip.distance(delivery_trip)
+                p "\n\n\n\n\n"
+                p x_trip_distance, x.inspect
+                p y_trip_distance, y.inspect
+                p "\n\n\n\n\n"
+                y_trip_distance <=> x_trip_distance
+              end
+
+    render :index
+  end
+
   def new
   end
 

app/models/location.rb

@@ -1,2 +1,18 @@
 class Location < ActiveRecord::Base
+  def self.distance loc1, loc2
+    rad_per_deg = Math::PI/180  # PI / 180
+    rkm = 6371                  # Earth radius in kilometers
+    rm = rkm * 1000             # Radius in meters
+
+    dlat_rad = (loc2.latitude-loc1.latitude) * rad_per_deg  # Delta, converted to rad
+    dlon_rad = (loc2.longitude-loc1.longitude) * rad_per_deg
+
+    lat1_rad, lon1_rad = [loc1.latitude, loc1.longitude].map {|i| i * rad_per_deg }
+    lat2_rad, lon2_rad = [loc2.latitude, loc2.longitude] .map {|i| i * rad_per_deg }
+
+    a = Math.sin(dlat_rad/2)**2 + Math.cos(lat1_rad) * Math.cos(lat2_rad) * Math.sin(dlon_rad/2)**2
+    c = 2 * Math::atan2(Math::sqrt(a), Math::sqrt(1-a))
+
+    rm * c # Delta in meters
+  end
 end

app/models/trip.rb

@@ -1,4 +1,14 @@
 class Trip < ActiveRecord::Base
 	belongs_to :order
 	belongs_to :user
+
+  def distance(trip)
+    start_loc1 = Location.find(start_location_id)
+    end_loc1 = Location.find(end_location_id)
+
+    start_loc2 = Location.find(trip.start_location_id)
+    end_loc2 = Location.find(trip.end_location_id)
+
+    Location.distance(start_loc1, start_loc2) + Location.distance(end_loc1, end_loc2)
+  end
 end

app/views/orders/index.html.slim

@@ -1,4 +1,36 @@
 h1 Available Orders
+br
+= form_tag search_orders_path
+  div.form-group
+    = label :location, :address, "Travelling From"
+    = text_field :location, :address, class:"form-control purchase-addr", required:true
+  div.form-group.hidden
+    = label :location, :longitude, class: "col-sm-1"
+    div.col-sm-3
+      = text_field :location, :longitude, class: "form-control purchase-lon", required:true
+    = label :location, :latitude, class: "col-sm-1"
+    div.col-sm-3
+      = text_field :location, :latitude, class: "form-control purchase-lat", required:true
+
+  div.form-group
+    = label :location, :address_to, "Destination"
+    = text_field :location, :address_to, class:"form-control deliver-addr", required:true
+  div.form-group.hidden
+    = label :location, :longitude_to, class: "col-sm-1"
+    div.col-sm-3
+      = text_field :location, :longitude_to, class: "form-control deliver-lon", required:true
+    = label :location, :latitude_to, class: "col-sm-1"
+    div.col-sm-3
+      = text_field :location, :latitude_to, class: "form-control deliver-lat", required:true
+
+  = submit_tag 'Find My Customised Orders', class: "btn btn-default"
+
+div.hidden id="purchase" style="width: 500px; height: 400px;"
+div.hidden id="deliver" style="width: 500px; height: 400px;"
+
+br
+br
+
 - @orders.each do |order|
   div.panel.panel-default
     div.panel-heading
@@ -24,4 +56,28 @@ h1 Available Orders
         | Estimated Price: $
         = item.estimated_price
     div.panel-footer
-      = link_to "I'll Deliver", deliver_order_path(order), class: "btn btn-default"
+      = link_to "I'll Deliver", deliver_order_path(order), class: "btn btn-default"
+
+
+javascript:
+  $('#purchase').locationpicker({
+    location: {latitude: -37.8239402221389, longitude: 144.9911028355707},
+    radius: 3,
+    inputBinding: {
+          latitudeInput: $('.purchase-lat'),
+          longitudeInput: $('.purchase-lon'),
+          locationNameInput: $('.purchase-addr')
+      },
+    enableAutocomplete: true,
+  });
+
+  $('#deliver').locationpicker({
+    location: {latitude: -37.8239402221389, longitude: 144.9911028355707},
+    radius: 3,
+    inputBinding: {
+          latitudeInput: $('.deliver-lat'),
+          longitudeInput: $('.deliver-lon'),
+          locationNameInput: $('.deliver-addr')
+      },
+    enableAutocomplete: true,
+  });

config/routes.rb

@@ -10,5 +10,8 @@
     member do
       get 'deliver'
     end
+    collection do
+      post 'search'
+    end
   end
 end