Fix sorting sequence in activity list views

2 files changed, 11 insertions, 11 deletions

diff --git a/lib/postrunner/FitFileStore.rb b/lib/postrunner/FitFileStore.rb
index d5dba15..2376f71 100644
--- a/lib/postrunner/FitFileStore.rb
+++ b/lib/postrunner/FitFileStore.rb
@@ -176,7 +176,7 @@ module PostRunner
     def change_unit_system
       # If we have changed the unit system we need to re-generate all HTML
       # reports.
-      activities.each do |activity|
+      activities.reverse.each do |activity|
         activity.generate_html_report
       end
       @store['records'].generate_html_reports
@@ -209,14 +209,14 @@ module PostRunner
       @store['devices'].each do |id, device|
         list += device.activities
       end
-      # Sort the activites by timestamps (oldest to newest). As the list is
+      # Sort the activites by timestamps (newest to oldest). As the list is
       # composed from multiple devices, there is a small chance of identical
       # timestamps. To guarantee a stable list, we use the long UID of the
       # device in cases of identical timestamps.
       list.sort! do |a1, a2|
         a1.timestamp == a2.timestamp ?
           a1.device.long_uid <=> a2.device.long_uid :
-          a1.timestamp <=> a2.timestamp
+          a2.timestamp <=> a1.timestamp
       end
 
       list
@@ -315,7 +315,7 @@ module PostRunner
     def check
       records = @store['records']
       records.delete_all_records
-      activities.each do |a|
+      activities.reverse.each do |a|
         a.check
         records.scan_activity_for_records(a)
         a.purge_fit_file
diff --git a/lib/postrunner/HRV_Analyzer.rb b/lib/postrunner/HRV_Analyzer.rb
index c240046..77162bd 100644
--- a/lib/postrunner/HRV_Analyzer.rb
+++ b/lib/postrunner/HRV_Analyzer.rb
@@ -21,8 +21,12 @@ module PostRunner
 
     attr_reader :rr_intervals, :timestamps, :errors
 
-    # Typical values for healthy, adult humans are between 2.94 and 4.32. We
-    # use a slighly broader interval.
+    # According to Nunan et. al. 2010
+    # (http://www.qeeg.co.uk/HRV/NUNAN-2010-A%20Quantitative%20Systematic%20Review%20of%20Normal%20Values%20for.pdf)
+    # rMSSD (ms) are expected to be in the rage of 19 to 75 in healthy, adult
+    # humans.  Typical ln(rMSSD) (ms) values for healthy, adult humans are
+    # between 2.94 and 4.32. We use a slighly broader interval. We'll add a
+    # bit of padding for our limits here.
     LN_RMSSD_MIN = 2.9
     LN_RMSSD_MAX = 4.4
 
@@ -45,11 +49,7 @@ module PostRunner
       @timestamps[-1]
     end
 
-    # Compute the root mean square of successive differences. According to
-    # Nunan et. al. 2010
-    # (http://www.qeeg.co.uk/HRV/NUNAN-2010-A%20Quantitative%20Systematic%20Review%20of%20Normal%20Values%20for.pdf)
-    # rMSSD (ms) are expected to be in the rage of 19 to 75 in healthy, adult
-    # humans.
+    # Compute the root mean square of successive differences.
     # @param start_time [Float] Determines at what time mark (in seconds) the
     #        computation should start.
     # @param duration [Float] The duration of the total inteval in seconds to