Vera - Time

ride-share.rb

@@ -0,0 +1,142 @@
+
+trips = {
+  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
+    }
+  ],
+  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
+    }
+  ]
+}
+
+# Method to print out the info per driver.
+def driver_info (trips)
+  rides_per_driver = []
+  trips.map do |ride_number,count|
+    rides_per_driver << "#{ride_number}: #{count.length}"
+  end
+  return rides_per_driver
+end
+
+# Hash to hold the total value per driver, key: driver_id value: sum of all trips.
+$money_per_driver = {}
+# To calculate the total money per driver.
+def driver_total_money (trips)
+  trips.map do |driver_id, trip|
+    total_cost = trip.map{ |p| p[:cost]}
+    sum = total_cost.inject(:+)
+    $money_per_driver[driver_id] = sum
+    puts "#{driver_id}: #{sum}"
+  end
+  return $money_per_driver
+end
+# Hash to hold the key: driver_id with the average of rating per driver as a value.
+$rating_per_driver = {}
+# Method to calculate the average of rating per driver.
+def driver_average (trips)
+  trips.map do |driver_id, trip|
+    total_cost = trip.map{ |p| p[:rating]}
+    sum = total_cost.inject(:+)
+    average = sum.to_f / total_cost.size
+    $rating_per_driver[driver_id] = average
+    puts "#{driver_id}: #{average.round(2)}"
+  end
+  return $rating_per_driver
+end
+
+# Method to get the highest value in a hash. 
+def largest_hash_key(hash)
+  max = nil
+  hash.max_by do |driver_id,values|
+    max = "#{driver_id}: #{values.round(2)}"
+  end
+  return max
+end
+
+# Print out the infomation and invoking the methdos.
+puts "\n"
+puts "🚗 ----Total Driver's Earnings and Number of Rides--- 🚗"
+puts "\n"
+puts "- The number of rides each driver has given: -"
+puts driver_info(trips)
+puts "\n"
+puts "- The total amount of money each driver has made: -"
+driver_total_money(trips)
+puts "\n"
+puts "- The average rating for each driver: -"
+puts "       ★★★★★"
+driver_average(trips)
+puts "\n"
+puts "- Driver made the most money: -"
+puts largest_hash_key($money_per_driver)
+puts "\n"
+puts "- Driver has the highest average rating: "
+puts "        ★★★★★"
+puts largest_hash_key($rating_per_driver)