Adding most active mac and runner up stats

app/controllers/macs_controller.rb

@@ -19,6 +19,56 @@ require "optparse"
 #require "rubygems"
 
 def index
+  recent_mac_logs_ungrouped = MacLog.last(1000)
+  @mac_time_start_date = recent_mac_logs_ungrouped.first.created_at
+  recent_mac_logs = recent_mac_logs_ungrouped.group_by(&:mac)
+  @mac_times = {}
+  # Go thru each mac
+  recent_mac_logs.each do |mac_log|
+    last_active = nil
+    # And the entries for each mac (mac_log.first is the string, mac_log.last is the array)
+    mac_log.last.each do |entry|
+      # Find an activate followed immediately by a deactivate
+      if entry.action == "activate"
+        last_active = entry 
+      else
+        if last_active && entry.action == "deactivate"
+          # Calculate the time difference between the two and append to this mac's total time
+          this_entry = @mac_times[entry.mac]
+          if this_entry
+            this_time = this_entry[:time]
+          else
+            this_time = 0
+          end
+          @mac_times[entry.mac] = {:mac => entry, :time => (entry.created_at - last_active.created_at) + this_time}
+        else
+          # No pair found; discard.
+          last_active = nil
+        end
+      end
+    end
+  end
+  @mac_times_sorted = @mac_times.sort{|a,b| b.last[:time] <=> a.last[:time] }
+  @most_active_mac = nil
+  @runner_up_mac = nil
+  @mac_times_sorted.each do |mac_time|
+    unless @most_active_mac
+      this_mac = Mac.find_by_mac(mac_time.first)
+      unless this_mac.hidden
+        @most_active_mac = this_mac
+        @most_active = mac_time
+      end
+    else
+      unless @runner_up_mac
+        this_mac = Mac.find_by_mac(mac_time.first)
+        unless this_mac.hidden
+          @runner_up_mac = this_mac
+          @runner_up = mac_time
+        end
+      end
+    end
+  end
+
   #@active_macs = Mac.where(:active => true, :hidden => false)
   #@active_macs += Mac.where(:active => true, :hidden => nil)
   
@@ -211,7 +261,7 @@ Rails.logger.info "starting scan..."
     Rails.logger.info "Reading stdin: "+stdin.inspect
     stdin.each { |line| 
       next if line !~ /^([\d\.]+)\s+([[:xdigit:]:]+)\s/;
-      macs[$2] = $1;
+      macs[($2).downcase] = ($1).downcase;
     }
   }
 

app/views/macs/index.html.erb

@@ -1,3 +1,17 @@
+<b>Most Active Machine Last <%= distance_of_time_in_words DateTime.now, @mac_time_start_date %>:</b>
+  <span title="<%= @most_active_mac.mac %><%= "  -  "+@most_active_mac.ip.to_s if can? :read_details, @most_active_mac %>">
+    <%= @most_active_mac.user.name unless @most_active_mac.user.blank? %>
+    <%= "("+@most_active_mac.note+")" unless @most_active_mac.note.blank? %>
+    - <%= (@most_active.last[:time] / 1.hour).round %> hrs
+  </span>
+<br/>
+<b>Runner Up:</b>
+  <span title="<%= @runner_up_mac.mac %><%= "  -  "+@runner_up_mac.ip.to_s if can? :read_details, @runner_up_mac %>">
+    <%= @runner_up_mac.user.name unless @runner_up_mac.user.blank? %>
+    <%= "("+@runner_up_mac.note+")" unless @runner_up_mac.note.blank? %>
+    - <%= (@runner_up.last[:time] / 1.hour).round %> hrs
+  </span>
+
 <h2>What machines are on our network?</h2>
 <%= link_to "New MAC registration", new_mac_path if can? :create, Mac %>