Space - Faezeh

ride_share.rb

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+# Step 3: Make the data structure!
+
+# Setup the entire data structure:
+# based off of the notes you have above, create the
+# and manually write in data presented in rides.csv
+# You should be copying and pasting the literal data
+# into this data structure, such as "DR0004"
+# and "3rd Feb 2016" and "RD0022"
+
+# the dates needed a bit of tweeking to be apropriately ordinalized.
+
+# based on layering (nesting) method 3:
+all_rides = {
+  :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 Driver's Earnings and Number of Rides
+
+rides_num = {} 
+all_rides.each do |driver, rides|
+  rides_num[driver] = rides.length
+end
+
+driver_total_income = {}
+all_rides.each do |driver, rides|
+  driver_income = rides.map do |each_ride|
+    each_ride [:COST]
+  end
+  driver_total_income[driver] = driver_income.sum
+end
+
+driver_average_rating = {}
+all_rides.each do |driver, rides|
+  driver_rating = rides.map do |each_ride|
+    each_ride[:RATING].to_f
+  end
+  driver_average_rating[driver] = ( driver_rating.sum / rides.length ).round(2)
+end
+# I had found #.round(2) on stackoverflow.com when I was researching for the technical challenge part of the application. 
+
+# Use an iteration blocks to print the following answers:
+puts "Faezeh's Ride Share Report:"
+puts ""
+
+# The number of rides each driver has given:
+puts "The number of rides each driver has given:"
+rides_num.each do |driver, rides|
+  puts "Driver #{driver[-1]} has given #{rides} rides."
+end
+puts ""
+
+# The total amount of money each driver has made:
+puts "The total amount of money each driver has made:"
+driver_total_income.each do |driver, money|
+  puts "Driver #{driver[-1]} has made $#{money}."
+end
+puts ""
+
+# - the average rating for each driver
+puts "The average rating for each driver:"
+driver_average_rating.each do |driver, rating|
+  puts "The average rating for driver #{driver[-1]} is #{rating} "
+end
+puts ""
+
+# - Which driver made the most money?
+puts "Which driver made the most money?"
+puts "Driver #{driver_total_income.key(driver_total_income.values.max)[-1]} has made the most money which is $#{driver_total_income.values.max}."  
+puts ""
+
+# - Which driver has the highest average rating?
+puts "Which driver has the highest average rating?"
+puts "Driver #{driver_average_rating.key(driver_average_rating.values.max)[-1]} has the highest average rating which is #{driver_average_rating.values.max}."  
+puts ""
+
+# Optionally, print in the terminal:
+puts "For each driver, on which day did they make the most money?"
+
+all_rides.each do |driver, rides|
+  driver_income = rides.map do |each_ride|
+    each_ride [:COST]
+  end
+  puts "Driver #{driver[-1]}'s highest paying ride was on #{rides[driver_income.rindex(driver_income.max)][:DATE]}."
+end