Guillermina Muro -- Carets

datastructure.rb

@@ -0,0 +1,160 @@
+# Method that creates a hash containing two empty arrays to store earnings and ratings
+def driver_hash(id)
+  return {
+    earnings: [],
+    ratings: []
+  }
+end
+
+# Method that prints a car to screen
+def car
+  puts '       _______'
+  puts '      //  ||\ \ '
+  puts '_____//___||_\ \___'
+  puts ')  _          _    \ '
+  puts '|_/ \________/ \___|'
+  puts '___\_/________\_/______'
+end
+
+
+# Ride Data organized as an array of many hashes
+rides = [
+  {
+    driver_id: "DR0004",
+    date: "3rd Feb 2016",
+    cost: 5,
+    rider_id: "RD0022",
+    rating: 5,
+  },
+  {
+    driver_id: "DR0001",
+    date: "3rd Feb 2016",
+    cost: 10,
+    rider_id: "RD0003",
+    rating: 3,
+  },
+  {
+    driver_id: "DR0002",
+    date: "3rd Feb 2016	",
+    cost: 25,
+    rider_id: "RD0073",
+    rating: 5,
+  },
+  {
+    driver_id: "DR0001",
+    date: "3rd Feb 2016",
+    cost: 30,
+    rider_id: "RD0015",
+    rating: 4,
+  },
+  {
+    driver_id: "DR0003",
+    date: "4th Feb 2016",
+    cost: 5,
+    rider_id: "RD0066",
+    rating: 5,
+  },
+  {
+    driver_id: "DR0004" ,
+    date: "4th Feb 2016" ,
+    cost: 10,
+    rider_id: "RD0022",
+    rating: 4,
+  },
+  {
+    driver_id: "DR0002" ,
+    date: "4th Feb 2016",
+    cost: 15,
+    rider_id: "RD0013",
+    rating: 1,
+  },
+  {
+    driver_id: "DR0003",
+    date: "5th Feb 2016",
+    cost: 50,
+    rider_id: "RD0003",
+    rating: 2,
+  },
+  {
+    driver_id: "DR0002",
+    date: "5th Feb 2016",
+    cost: 35,
+    rider_id: "RD0066",
+    rating: 3,
+  },
+  {
+    driver_id: "DR0004",
+    date: "5th Feb 2016" ,
+    cost: 20,
+    rider_id: "RD0073",
+    rating: 5,
+  },
+  {
+    driver_id: "DR0001" ,
+    date: "5th Feb 2016",
+    cost: 45,
+    rider_id: "RD0003",
+    rating: 2,
+  },
+]
+
+puts "Each ride is stored as a hash within an array"
+puts rides
+puts ""
+# Creates empty hash to store and organize data on each driver
+unique_driver_data = {}
+
+# Iterates through ride data and adds each unique driver id to the unique_driver_data
+# The key is the driver's id and it's value is a hash with an empty earnings array and ratings array
+rides.each do |ride|
+  driver_key = "#{ride[:driver_id]}"
+  if ! (unique_driver_data.include? "#{driver_key}")
+  driver_data = driver_hash("#{ride[:driver_id]}")
+  unique_driver_data[driver_key] = driver_data
+  else
+  end
+end
+
+# Prints the unique_driver_data sorted
+puts "Initialize Unique Driver Data"
+puts  unique_driver_data.sort
+puts ""
+
+# Iterates through ride data
+# If the ride's driver id is equal to a driver id in the unique_driver_data hash it will push
+# the ride's cost and rating to that driver's data
+rides.each do |ride|
+  unique_driver_data.each do |driver, data|
+    if "#{ride[:driver_id]}" == "#{driver}"
+      unique_driver_data[driver][:earnings].push (ride[:cost])
+      unique_driver_data[driver][:ratings].push (ride[:rating])
+    else
+    end
+  end
+end
+
+# Prints the populated unique_driver_data hash sorted
+puts "Populate Unique Driver Data"
+puts unique_driver_data.sort
+puts ""
+
+# Prints total number of drivers
+puts "There are #{unique_driver_data.length} drivers."
+
+# Iterates through unique_driver_data hash
+# Counts the length of the earnings array to determine total number of rides made by driver
+# Sums the earnings array to find the total earnings made by driver
+# Find average rating by summing the ratings array and dividing by it's length
+# Prints a car
+# Prints the driver's id, total earnings, total rides and average rating
+unique_driver_data.sort.each do |driver, data|
+  total_rides = 0
+  total_earnings = 0
+  total_rating = 0
+  total_rides = unique_driver_data[driver][:earnings].length
+  unique_driver_data[driver][:earnings].each {|e| total_earnings += e.to_i}
+  unique_driver_data[driver][:ratings].each {|a| total_rating += a}
+  avg_rating = total_rating / (unique_driver_data[driver][:ratings].length)
+  car
+  puts "Driver #{driver} made $#{total_earnings} over #{total_rides} rides with an average rating of #{avg_rating}.\n\n"
+end