Pipes - Tanisha Hampden - Rideshare

data_worksheet.rb

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+########################################################
+# Step 1: Establish the layers
+
+# Write a list of the layers here
+# => drivers
+# => each driver
+# => each driver record
+
+
+
+########################################################
+# Step 2: Assign a data structure to each layer
+
+# Copy your list from above, and write what data structure each layer should have
+# => an object called drivers
+# => each driver is the key and value is an array
+# => within each value (array) there is an object for each ride - the key/value pairs are the date, cost, rider and rating data.
+########################################################
+# Step 3: Make the data structure!
+
+# Setup the data strcture and manually write in data presented in rides.csv
+
+drivers = {
+  :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}
+  ]
+}
+########################################################
+# Step 4: Total Divers Earnings and Number of Rides
+
+
+# Use an iteration block to print driver's total rides and money made
+
+drivers.each do |driver, driver_records|
+  total = 0
+  # puts "Driver #{driver} gave #{driver_records.length} rides."
+  driver_records.each do |record|
+    total = total + record[:cost]
+  end
+  ride_average = total.to_f / driver_records.length
+  puts "Driver #{driver} gave #{driver_records.length} rides and made a total of $#{total}. Their average was $#{'% .2f' % ride_average}."
+  puts "*" * 10
+end