Update worksheet.rb

worksheet.rb

@@ -2,17 +2,31 @@
 # Step 1: Establish the layers
 
 # In this section of the file, as a series of comments,
+
 # create a list of the layers you identify.
+# array and hash
+
 # Which layers are nested in each other?
+# array nested to hash 
+
 # Which layers of data "have" within it a different layer?
+# array has an hash in it and hash has array within it
+
 # Which layers are "next" to each other?
+# array is next to hash, then hash is next to the array
 
 ########################################################
 # Step 2: Assign a data structure to each layer
 
 # Copy your list from above, and in this section
 # determine what data structure each layer should have
 
+#array and hash
+# array nested to hash 
+# array has an hash in it and hash has array within it
+# array is next to hash, then hash is next to the array
+
+
 ########################################################
 # Step 3: Make the data structure!
 
@@ -31,4 +45,139 @@
 # - the total amount of money each driver has made
 # - the average rating for each driver
 # - Which driver made the most money?
-# - Which driver has the highest average rating?
+# - Which driver has the highest average rating?
+
+# creates an array of hashes
+drivers_info = [
+  {
+  driver_id: "DR0001",
+  rides: [
+    {
+      rider_id: "RD0003",
+      date: "3rd Feb 2016",
+      cost: 10,
+      rating: 3.0
+    },
+    {
+      rider_id: "RD0015",
+      date: "3rd Feb 2016",
+      cost: 30,
+      rating: 4.0
+    },
+    {
+      rider_id: "RD0003",
+      date: "5th Feb 2016",
+      cost: 40,
+      rating: 2.0
+    }
+  ]
+},
+{
+  driver_id: "DR0002",
+  rides: [
+    {
+      rider_id: "RD0073",
+      date: "3rd Feb 2016",
+      cost: 25,
+      rating: 5.0
+    },
+    {
+      rider_id: "RD0013",
+      date: "4th Feb 2016",
+      cost: 15,
+      rating: 1.0
+    },
+    {
+      rider_id: "RD0066",
+      date: "5th Feb 2016",
+      cost: 35,
+      rating: 3.0
+    }
+  ]
+},
+{
+  driver_id: "DR0003",
+  rides: [
+    {
+    rider_id: "RD0066",
+    date: "4th Feb 2016",
+    cost: 5,
+    rating: 5.0
+    },
+    {
+      rider_id: "RD0003",
+      date: "5th Feb 2016",
+      cost: 50,
+      rating: 2.0
+    },
+    {
+      rider_id: "RD0022",
+      date: "3rd Feb 2016",
+      cost: 5,
+      rating: 5.0
+    }
+  ]
+}, 
+  {
+    driver_id: "DR0004",
+    rides: [
+      {
+        rider_id: "RD0022",
+        date: "4th Feb 2016",
+        cost: 10,
+        rating: 4.0
+      },
+      {
+        rider_id: "RD0073",
+        date: "5th Feb 2016",
+        cost: 20,
+        rating: 5.0
+      }
+    ]
+  }
+]
+
+  # initialize the variable
+  max = 0
+  max_driver = 0
+  highest_average_rating = 0
+  highest_average_driver = 0
+
+  # finds the number of rides each driver has given
+  drivers_info.each do |driver|
+      total_rides = driver[:rides].length
+      puts "Total rides for driver #{driver[:driver_id]} are #{total_rides}."
+
+      # finds the total amount of money each driver has made
+      total_money = 0
+
+      rating_sum = 0
+      driver[:rides].each do |ride|
+        total_money += ride[:cost] 
+        rating_sum += ride[:rating]
+      end
+        puts "Total money for driver #{driver[:driver_id]} are #{total_money}."
+
+      # finds which driver made the most money?
+      if total_money > max
+        max = total_money
+        max_driver = driver[:driver_id]
+      end
+
+      # finds the average rating for each driver
+      average =  rating_sum / driver[:rides].length
+      puts "Total average for driver #{driver[:driver_id]} are #{average}."
+
+      # finds Which driver has the highest average rating?
+      if average > highest_average_rating
+        highest_average_rating = average
+        highest_average_driver = driver[:driver_id]
+      end  
+
+  end
+  puts
+
+  # prints the number of driver with the maximum amount
+  puts "Driver #{max_driver} made the most money with #{max} amount."
+  # prints the number of driver with the highest average rating
+  puts "Driver #{highest_average_driver} has the highest average rating of #{highest_average_rating }."