From 9869e5ee5a67b867fd43d67f1c20ffa8f98737a9 Mon Sep 17 00:00:00 2001
From: Hitendra Singh <hitendra@finaxar.com>
Date: Fri, 15 Jul 2022 22:10:33 +0530
Subject: [PATCH 1/2] Setting the properties for the Challenge class

---
 lib/challenge.rb | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/lib/challenge.rb b/lib/challenge.rb
index f7130bc..9539529 100644
--- a/lib/challenge.rb
+++ b/lib/challenge.rb
@@ -1,19 +1,27 @@
 require "time"
 
 class Challenge
-  attr_reader :earliest_time
-  attr_reader :latest_time
-  attr_reader :peak_year
+  attr_reader :earliest_time, :latest_time, :peak_year
 
   def initialize(file_path)
     @file_path = File.expand_path(file_path)
   end
 
   def parse
-    # Parse the file located at @file_path and set three attributes:
-    #
-    # earliest_time: the earliest time contained within the data set
-    # latest_time: the latest time contained within the data set
-    # peak_year: the year with the most number of timestamps contained within the data set
+    all_rows = {}
+    peak = {}
+    File.open(@file_path, 'r').each_line do |row|
+      row_time = Time.parse(row)
+      all_rows[row_time.to_i] = row_time
+      if(peak.has_key?(row_time.year))
+          peak[row_time.year] += 1
+      else
+          peak[row_time.year] = 1
+      end
+    end
+
+    @earliest_time = all_rows[all_rows.keys.min]
+    @latest_time = all_rows[all_rows.keys.max]
+    @peak_year = peak.key(peak.values.max)
   end
 end

From 33cd11fb189f862e4747d7f98783aad5d75022f1 Mon Sep 17 00:00:00 2001
From: Hitendra Singh <hitendra@finaxar.com>
Date: Fri, 15 Jul 2022 22:22:36 +0530
Subject: [PATCH 2/2] Documenting the code

---
 lib/challenge.rb | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/challenge.rb b/lib/challenge.rb
index 9539529..d708d32 100644
--- a/lib/challenge.rb
+++ b/lib/challenge.rb
@@ -3,25 +3,32 @@
 class Challenge
   attr_reader :earliest_time, :latest_time, :peak_year
 
+  # Initializer
   def initialize(file_path)
     @file_path = File.expand_path(file_path)
   end
 
+  # Parse method which sets the class properties
   def parse
     all_rows = {}
     peak = {}
+    # Parsing the file and iterating over the rows
     File.open(@file_path, 'r').each_line do |row|
       row_time = Time.parse(row)
       all_rows[row_time.to_i] = row_time
+      # Check if year exists in the hash
       if(peak.has_key?(row_time.year))
-          peak[row_time.year] += 1
+          peak[row_time.year] += 1 # if exist Increase the count
       else
-          peak[row_time.year] = 1
+          peak[row_time.year] = 1 # if not assign the one
       end
     end
 
+    # Minimum timestamp in the all_rows will be earliest time
     @earliest_time = all_rows[all_rows.keys.min]
+    # Maximum timestamp in the all_rows will be latest time
     @latest_time = all_rows[all_rows.keys.max]
+    # Peak Year with maximum row counts
     @peak_year = peak.key(peak.values.max)
   end
 end