diff options
Diffstat (limited to 'static/javascript')
| -rw-r--r-- | static/javascript/mauve_utils.js | 242 |
1 files changed, 207 insertions, 35 deletions
diff --git a/static/javascript/mauve_utils.js b/static/javascript/mauve_utils.js index 45a651d..cd0d52b 100644 --- a/static/javascript/mauve_utils.js +++ b/static/javascript/mauve_utils.js @@ -3,62 +3,234 @@ function updateDate() { // // Date.getTime() returns *milliseconds* // - var this_date = workoutDate( $('#n_hours').val(), $('#type_hours').val() ); - $('#ack_until_text').html("(until "+humanDate(this_date)+")"); - $('#ack_until').val(this_date.getTime()/1000); + var this_date = workoutDate( $( '#n_hours' ).val(), $( '#type_hours' ).val() ); + $( '#ack_until' ).val( this_date.getTime()/1000 ); + + // + // Use a asynchronous ajax convert a date to a human string. NB Date.getTime() + // returns *milliseconds* + // + $.ajax( { + url: '/ajax/time_to_s_human/'+this_date.getTime()/1000, + timeout: 1000, + success: function( data ) { $( '#ack_until_text' ).html( "( until "+data+" )" ); }, + error: function( a,b,c ) { $( '#ack_until_text' ).html( "( until "+this_date.toString()+" )" ); } + } ); return false; } -function workoutDate(h, t) { - var new_date = null; +function workoutDate( h, type ) { - h = new Number(h); - h = ( h > 300 ? 300 : h ); + n = new Number( h ); + n *= 3600 * 1000; - // - // Use a synchronous ajax request to fetch the date. Note that - // Date.getTime() returns milliseconds.. + if ( type == null ) { + type = "wallclock" ; + } + + var step = 3600 * 1000; // - $.ajax({ - url: '/ajax/time_in_x_hours/'+h+"/"+t, - async: false, - success: function(data) { new_date = new Date ( new Number(data) * 1000 ); } - }); + // Get the time now, in milliseconds + // + var d = new Date(); + var t = d.getTime(); + // + // Can't ack longer than a week + // + var maxDate = new Date( d.getTime() + 1000 * 86400 * 8 ) - return new_date; -} + // + // Work out how much time to subtract now + // + while ( n >= 0 && t < maxDate.getTime() ) { + // + // If we're currently OK, and we won't be OK after the next step ( or + // vice-versa ) decrease step size, and try again + // + if ( doTimeTest( t, type ) != doTimeTest( t+step, type ) ) { + // + // Unless we're on the smallest step, try a smaller one. + // + if ( step > 1000 ) { + step /= 60; + + } else { + if ( doTimeTest( t, type ) ) n -= step; + t += step; + + // + // Set the step size back to an hour + // + step = 3600*1000; + } -function humanDate(d) { - var new_date = null; + continue; + } - if ( d == null ) { - d = new Date(); + // + // Decrease the time by the step size if we're currently OK. + // + if ( doTimeTest( t, type ) ) n -= step; + t += step; } - // - // Use a synchronous ajax convert a date to a human string. NB Date.getTime() - // returns *milliseconds* // - $.ajax({ - url: '/ajax/time_to_s_human/'+d.getTime()/1000, - async: false, - success: function(data) { new_date = data; } - }); + // Substract any overshoot. + // + if ( n < 0 ) t += n; - return new_date; + // + // Make sure we can't ack alerts too far in the future. + // + return ( t > maxDate.getTime() ? maxDate : new Date( t ) ); } -function fetchDetail(a) { +function fetchDetail( a ) { // Use a synchronous ajax request to fetch the date. - $.get('/ajax/alerts_table_alert_detail/'+a, - function(data) { - $('#tr_summary_'+a).after(data); + $.get( '/ajax/alerts_table_alert_detail/'+a, + function( data ) { + $( '#tr_summary_'+a ).after( data ); // Only fetch the data once. - $('#a_detail_'+a).attr("onclick",null).click(function() { $('#tr_detail_'+a).toggle(); return false; }); + $( '#a_detail_'+a ).attr( "onclick",null ).click( function() { $( '#tr_detail_'+a ).toggle(); return false; } ); + } ); + + return false; +} + +// +// This expects its arguments as a time in milliseconds, and a type of "working", "daytime", or something else. +// +function doTimeTest( t, type ) { + + var d = new Date( t ); + var r = false; + + switch ( type ) { + case "working": + r = ( d.getDay() > 0 && d.getDay() < 6 && + ( ( d.getHours() >= 9 && d.getHours() <= 16 ) || + ( d.getHours() == 8 && d.getMinutes() >= 30 ) + ) ); + break; + + case "daytime": + r = ( d.getHours() >= 8 && d.getHours() <= 21 ); + break; + + default: + r = true; + } + + return r; +} + + +// +// Updates the alerts table +// +function updateAlertsTable(alert_type, group_by) { + + // + // Do nothing if there is a checked box. + // + if ( $('input.alert:checked').length ) { + return false; + } + + $.ajax( { + url: '/ajax/alerts_table/'+alert_type+'/'+group_by, + timeout: 5000, + success: function( data ) { + if ( "" == data || null == data ) { + showError("No data returned by web server when updating alerts table.", "updateAlertsTable"); + } else { + $('#alerts_table').replaceWith(data); + clearError("updateAlertsTable"); + updateAlertCounts(); + } + }, + error: function( a,b,c ) { + if ( "timeout" == b ) { + showError("Web server timed out when updating alerts table.", "updateAlertsTable"); + } else { + showError("Got "+a.status+" "+a.statusText+" when updating alerts table.", "updateAlertsTable"); + } + }, + }); + + return false; +} + +// +// Updates the alerts title tag +// +function updateAlertCounts() { + $.ajax( { + url: '/ajax/alert_counts', + timeout: 5000, + success: function(counts) { + if ( "" == counts || null == counts) { + showError("No data returned by web server when updating alert counts.", "updateAlertCounts"); + } else { + $('#count_raised').html(counts[0]+counts[1]+counts[2]+""); + $('#count_ackd').html(counts[3]+""); + $('#count_cleared').html(counts[4]+""); + $('title').html("Mauve: [ "+counts[0]+" / "+counts[1]+" / "+counts[2]+" ] Alerts"); + clearError("updateAlertCounts"); + } + }, + error: function( a,b,c ) { + if ( "timeout" == b ) { + showError("Web server timed out when updating alert counts.", "updateAlertCounts"); + } else { + showError("Got "+a.status+" "+a.statusText+" when updating alert counts.", "updateAlertCounts"); + } + }, }); return false; } + +// +// +// +function showError(text, func) { + + if ( null == text || "" == text ) return false; + + + // We need to add the p element. + if ( 0 == $('div.flash.error p#'+func).length ) { + // ugh.. standard DOM stuff. + var p = document.createElement('p'); + p.setAttribute("id",func); + $('div.flash.error').append(p); + } + + $('p#'+func).html(text); + // Show the error box + $('div.flash.error').fadeIn(2000); + + return false; +} + +function clearError(func) { + // + // Remove the element if it exists. + // + if ( $('div.flash.error p#'+func).length ) { + $('div.flash.error p#'+func).remove(); + } + + if ( $('div.flash.error').contents().length == 0 ) { + $('div.flash.error').hide(); + } + + return false; +} + + + |