Export events in XLSX

Fix #102

public/js/vroom.js

@@ -817,7 +817,7 @@ function initAdminAudit(){
   }
 
   // Intercept form submission
-  $('#eventSearch').submit(function(e){
+  $('#events_refresh,#events_export').click(function(e){
     e.preventDefault();
     var startObj = new Date($('#dateStart').val());
     var endObj = new Date($('#dateEnd').val());
@@ -843,9 +843,14 @@ function initAdminAudit(){
       return false;
     }
     else{
+      if ($(this).attr('id') === 'events_refresh'){
         reloadEvents($('#dateStart').val(),$('#dateEnd').val());
         return;
       }
+      else if ($(this).attr('id') === 'events_export'){
+        window.location.assign('export_events?from=' + $('#dateStart').val() + '&to=' + $('#dateEnd').val());
+      }
+    }
   });
 
   $('#searchEvent').on('input', function(){

templates/default/admin_audit.html.ep

@@ -22,10 +22,14 @@
           <div class="input-group">
             <input type="text" id="dateEnd" name="dateEnd" class="form-control date-picker" value="<%= DateTime->now->ymd %>"/>
             <span class="input-group-btn">
-              <button type=submit" class="btn btn-primary">
+              <button id="events_refresh" class="btn btn-primary">
                 <span class="glyphicon glyphicon-play">
                 </span>
               </button>
+              <button id="events_export" class="btn btn-default">
+                <span class="glyphicon glyphicon-save">
+                </span>
+              </button>
             </span>
           </div>
         </div>

vroom.pl

@@ -9,6 +9,7 @@ use Mojolicious::Lite;
 use Mojolicious::Plugin::Mail;
 use Mojolicious::Plugin::Database;
 use Mojolicious::Plugin::StaticCompressor;
+use Mojolicious::Plugin::RenderFile;
 use Vroom::Constants;
 use Vroom::Conf;
 use Crypt::SaltedHash;
@@ -24,6 +25,8 @@ use File::Path qw(make_path);
 use File::Basename;
 use DateTime;
 use Array::Diff;
+use File::Temp;
+use Excel::Writer::XLSX;
 use Data::Dumper;
 
 app->log->level('info');
@@ -98,6 +101,9 @@ plugin StaticCompressor => {
   disable_on_devmode => 1
 };
 
+# Stream files
+plugin 'RenderFile';
+
 ##########################
 #  Validation helpers    #
 ##########################
@@ -1173,6 +1179,36 @@ helper get_room_conf => sub {
   };
 };
 
+# Export events in XLSX
+helper export_events_xlsx => sub {
+  my $self = shift;
+  my ($from,$to) = @_;
+  my $tmp = File::Temp->new( DIR => $config->{'directories.cache'}, SUFFIX => '.xlsx' )->filename;
+  my $events = $self->get_event_list($from, $to);
+  if (!$events){
+    return 0;
+  }
+  my $xlsx = Excel::Writer::XLSX->new($tmp);
+  my $sheet = $xlsx->add_worksheet;
+  my @headers = qw(id date from_ip user event message);
+  # Write header
+  $sheet->write(0, 0, \@headers);
+  my $row = 1;
+  foreach my $e (sort {$a <=> $b } keys %$events){
+    my @details = (
+      $events->{$e}->{id},
+      $events->{$e}->{date},
+      $events->{$e}->{from_ip},
+      $events->{$e}->{user},
+      $events->{$e}->{event},
+      $events->{$e}->{message}
+    );
+    $sheet->write($row, 0, \@details);
+    $row++;
+  }
+  return $tmp;
+};
+
 # Socket.IO handshake
 get '/socket.io/:ver' => sub {
   my $self = shift;
@@ -2258,6 +2294,26 @@ group {
     my $self = shift;
     return $self->render('admin_audit');
   };
+
+  get '/export_events' => sub {
+    my $self = shift;
+    my $from = $self->param('from') || DateTime->now->ymd;
+    my $to   = $self->param('to')   || DateTime->now->ymd;
+    my $file = $self->export_events_xlsx($from,$to);
+    if (!$file || !-e $file){
+      return $self->render('error',
+        msg => $self->l('ERROR_EXPORT_XLSX'),
+        err => 'ERROR_EXPORT_XLSX',
+        room => ''
+      );
+    }
+    $self->render_file(
+      filepath => $file,
+      filename => 'events.xlsx',
+      cleanup  => 1,
+      format   => 'vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+    );
+  };
 };
 
 # Catch all route: if nothing else match, it's the name of a room