From 4ca1b2c8db777cd1e389a227072b1cd108e23d05 Mon Sep 17 00:00:00 2001
From: Patrick J Cherry <patrick@bytemark.co.uk>
Date: Thu, 16 Jun 2011 16:09:08 +0100
Subject: Updated web interface to use a Sinatra layout.

---
 lib/mauve/web_interface.rb | 102 +++++++++++++++++++++++++++++++++------------
 1 file changed, 75 insertions(+), 27 deletions(-)

(limited to 'lib/mauve/web_interface.rb')

diff --git a/lib/mauve/web_interface.rb b/lib/mauve/web_interface.rb
index 721fc3f..d999554 100644
--- a/lib/mauve/web_interface.rb
+++ b/lib/mauve/web_interface.rb
@@ -44,7 +44,23 @@ module Mauve
     set :dump_errors, true      # ...will dump errors to the log
     set :raise_errors, false    # ...will not let exceptions out to main program
     set :show_exceptions, false # ...will not show exceptions
-    
+
+    #
+    # Default template.
+    #
+    template :layout do
+      <<EOF
+!!! 5
+%html
+  = partial('head')
+  %body
+    =partial("navbar")
+    =yield 
+EOF
+    end   
+
+
+ 
     ###########################################/alert#############################
     
     before do
@@ -64,6 +80,11 @@ module Mauve
         #
         env['REMOTE_USER'] = @person.username
 
+        #
+        # Don't cache ajax requests
+        #
+        cache_control :no_cache if request.xhr?
+
         #
         # Set up some defaults.
         #
@@ -147,33 +168,12 @@ module Mauve
     end
 
     get '/alerts/:alert_type/:group_by' do 
-      find_active_alerts
 
-      if %w(raised cleared acknowledged).include?(params[:alert_type])
-        @alert_type = params[:alert_type]
-      else
-        @alert_type = "raised"
-      end
-
-      if %w(subject source summary id alert_id level).include?(params[:group_by])
-        @group_by = params[:group_by]
-      else
-        @group_by = "subject"
-      end
-
-      @title += " Alerts "
+      return haml(:not_implemented) unless %w(raised acknowledged).include?(params[:alert_type])
 
+      alerts_table(params)
 
-      case @alert_type
-        when "raised"
-          @grouped_alerts = group_by(@alerts_raised, @group_by)
-          haml(:alerts)
-        when "acknowledged"
-          @grouped_alerts = group_by(@alerts_ackd, @group_by)
-          haml(:alerts)
-        else
-          haml(:not_implemented)
-      end
+      haml(:alerts)
     end
 
     post '/alerts/acknowledge' do
@@ -216,7 +216,7 @@ module Mauve
       redirect "/alerts/raised"
     end
     
-    #
+    ######################################################
     # AJAX methods for returning snippets of stuff.
     #
 
@@ -246,10 +246,30 @@ module Mauve
 
     get '/ajax/time_to_s_human/:seconds' do
       content_type :text
+
       secs = params[:seconds].to_i
       Time.at(secs).to_s_human
     end
 
+    #
+    # This returns an array of 5 numbers.
+    #
+    get '/ajax/alert_counts' do
+      content_type :json
+      
+      counts = Hash.new{|h,k| h[k] = 0}
+
+      Alert.all_raised.each{|a| counts[a.level] += 1}
+
+      (AlertGroup::LEVELS.reverse.collect{|l| counts[l]}+
+        [Alert.all_acknowledged.length, Alert.all_cleared.length]).to_json
+    end
+
+    get '/ajax/alerts_table/:alert_type/:group_by' do
+      alerts_table(params)
+      haml(:_alerts_table)
+    end
+
     get '/ajax/alerts_table_alert/:alert_id' do
       content_type "text/html"
       alert = Alert.get(params[:alert_id].to_i)
@@ -361,7 +381,6 @@ module Mauve
         results = Hash.new{|h,k| h[k] = Array.new}
 
         things.sort.each do |thing|
-          self.class._logger.debug [AlertGroup::LEVELS.index(thing.level), (thing.raised_at || thing.cleared_at) ].inspect
           results[thing.__send__(meth)] << thing
         end
 
@@ -369,6 +388,35 @@ module Mauve
           [a[1].first, a[0]] <=> [b[1].first, b[0]]
         end
       end
+
+      def alerts_table(params)
+        find_active_alerts
+
+        if %w(raised cleared acknowledged).include?(params[:alert_type])
+          @alert_type = params[:alert_type]
+        else
+          @alert_type = "raised"
+        end
+
+        if %w(subject source summary id alert_id level).include?(params[:group_by])
+          @group_by = params[:group_by]
+        else
+          @group_by = "subject"
+        end
+
+        @title += " Alerts "
+
+
+        case @alert_type
+          when "raised"
+            @grouped_alerts = group_by(@alerts_raised, @group_by)
+          when "acknowledged"
+            @grouped_alerts = group_by(@alerts_ackd, @group_by)
+            haml(:alerts)
+          else
+            haml(:not_implemented)
+        end
+      end  
  
       def find_active_alerts
         @alerts_raised  = Alert.all_raised
-- 
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