Leaves - Georgina

ride-share.rb

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+rides_by_driver_id = {  
+  DR0004: [
+    {
+      date:"3rd Feb 2016",
+      cost: 5,
+      rider_id: "RD0022",
+      rating: 5,
+    },
+    { 
+      date: "4th Feb 2016",
+      cost: 10,
+      rider_id: "RD0022",
+      rating: 4,
+    },
+    {
+      date: "5th Feb 2016",
+      cost: 20,
+      rider_id: "RD0073",
+      rating: 5,
+    }],  
+  DR0001: [
+    {
+      date: "3rd Feb 2016",
+      cost: 10,
+      rider_id: "RD0003",
+      rating: 3,
+    },
+    {
+      date: "3rd Feb 2016",
+      cost: 30,
+      rider_id: "RD0015",
+      rating: 4,
+    },
+    {
+      date: "5th Feb 2016",
+      cost: 45,
+      rider_id: "RD0003",
+      rating: 2,
+    }],
+  DR0002: [
+    {
+      date: "3rd Feb 2016",
+      cost: 25,
+      rider_id: "RD0073",
+      rating: 5,
+    },
+    {
+      date: "4th Feb 2016",
+      cost: 15,
+      rider_id: "RD0013",
+      rating: 1,
+    },
+    {
+      date: "5th Feb 2016",
+      cost: 35,
+      rider_id: "RD0066",
+      rating: 3,
+    }],
+  DR0003: [
+    {
+      date: "4th Feb 2016",
+      cost: 5,
+      rider_id: "RD0066",
+      rating: 5,
+    },
+    {
+      date: "5th Feb 2016",
+      cost: 50,
+      rider_id: "RD0003",
+      rating: 2,
+    }]
+}
+
+# The number of rides each driver has given
+
+array_rides_by_driver_id = rides_by_driver_id.map do |driver_id, rides|
+  {driver_id => rides.length} 
+end
+
+puts "The number of rides each driver has given: "
+
+array_rides_by_driver_id.each do |total_rides_by_driver_id|
+  total_rides_by_driver_id.each do |driver_id, rides|
+    puts "#{driver_id}: #{rides}"
+  end
+end
+
+# The total amount of money each driver has made
+
+array_salary_by_driver_id = rides_by_driver_id.map do |driver_id, rides|
+  {driver_id => rides.map do |ride|
+    ride[:cost]
+  end.sum}
+end
+
+puts "The total amount of money each driver has made: "
+
+array_salary_by_driver_id.each do |salary_by_driver_id|
+  salary_by_driver_id.each do |driver_id, salary|
+    puts "#{driver_id}: #{salary}"
+  end
+end 
+
+# The average rating for each driver
+
+array_rating_by_driver_id = rides_by_driver_id.map do |driver_id, rides|
+  {driver_id => rides.map do |ride|
+    ride[:rating]
+  end}
+end
+
+average_rating_by_driver_id = {}
+array_rating_by_driver_id.each do |driver|
+  driver.each do |driver_id, rating|
+  average_rating_by_driver_id[driver_id] = ((rating.sum.to_f) / rating.length).round(2)
+  end
+end
+
+puts "The average rating for each driver: "
+
+average_rating_by_driver_id.each do |driver_id, average_rating|
+  puts "#{driver_id}: #{average_rating}"
+end
+
+# Which driver made the most money?
+
+richest_driver = array_salary_by_driver_id.max_by do |salary_by_driver_id|
+  driver_id, salary = salary_by_driver_id.first
+  salary
+end
+
+puts "The driver who made the most money is: #{richest_driver.first.first.to_s}"
+
+# Which driver has the highest average rating?
+
+best_driver = average_rating_by_driver_id.max_by do |driver_id, rating|
+  rating
+end
+
+puts "The driver who has the highest average rating is #{best_driver.first}"