Pipes - Irene DeVera - Ride Share

ride_share.rb

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+# Layers:
+# 1. All driver IDs
+# 2. All rides for each driver
+# 3. Ride info
+#   - date
+#   - rider_id
+#   - cost
+#   - rating
+#
+# Data Structure For Each Layer:
+# 1. Hash
+# 2. Array
+# 3. Hash
+#
+# Data Structure:
+
+driver_data_hash = {
+  "DR0004" => [
+    {
+      "date" => "3rdFeb2016",
+      "rider_id" => "RD0003",
+      "cost" => 5,
+      "rating" => 5
+    },
+    {
+      "date" => "4thFeb2016",
+      "rider_id" => "RD0022",
+      "cost" => 10,
+      "rating" => 4
+    },
+    {
+      "date" => "5thFeb2016",
+      "rider_id" => "RD0003",
+      "cost" => 20,
+      "rating" => 5
+    }
+  ],
+  "DR0001" => [
+    {
+      "date" => "3rdFeb2016",
+      "rider_id" => "RD0022",
+      "cost" => 10,
+      "rating" => 3
+    },
+    {
+      "date" => "3rdFeb2016",
+      "rider_id" => "RD0015",
+      "cost" => 30,
+      "rating" => 4
+      },
+    {
+      "date" => "5thFeb2016",
+      "rider_id" => "RD0015",
+      "cost" => 45,
+      "rating" => 2
+    },
+  ],
+  "DR0002" => [
+    {
+      "date" => "3rdFeb2016",
+      "rider_id" => "RD0015",
+      "cost" => 25,
+      "rating" => 4
+    },
+    {
+      "date" => "4thFeb2016",
+      "rider_id" => "RD0013",
+      "cost" => 10,
+      "rating" => 1
+    },
+    {
+      "date" => "5thFeb2016",
+      "rider_id" => "RD0066",
+      "cost" => 35,
+      "rating" => 3
+    },
+  ],
+  "DR0003" => [
+    {
+      "date" => "4thFeb2016",
+      "rider_id" => "RD0066",
+      "cost" => 5,
+      "rating" => 5
+    },
+    {
+      "date" => "5thFeb2016",
+      "rider_id" => "RD0003",
+      "cost" => 50,
+      "rating" => 2
+    },
+  ]
+}
+
+
+# Iterate over each driver and get cost for each ride
+driver_data_hash.each do |driver_id, rides|
+  current_driver_total_cost = 0
+  current_driver_total_rating = 0
+  # Iterate
+  rides.each do |ride|
+    # Adds the current ride cost to the total ride cost / avg rating
+    current_driver_total_cost += ride["cost"]
+    current_driver_total_rating += ride["rating"]
+  end
+  # Divide sum of rating by number of rides
+  avg_driver_rating = (current_driver_total_rating / rides.length.to_f)
+  # Print the current driver driver_id, total rides, cost, avg rating
+  puts "DRIVER ID: #{driver_id}"
+  puts "Total rides: #{rides.length}"
+  puts "Total cost: #{current_driver_total_cost}"
+  puts "Average Rating: #{avg_driver_rating}"
+  puts
+end