web/static/seepark_web.js

   1 var api_base_url_sensors = '/api/1/sensor/type/Wassertemperatur?mode=consolidated&format=c3';
   2 var api_base_url_weather = '/api/1/openweathermap/city/3319578?mode=consolidated&format=c3';
   3
   4 function dayschart(element, title, days, xtickformat) {
   5         var chartdata;
   6         if (element.substr(0, 7) == 'chart_w') {
   7                 chartdata = {
   8                                 url: api_base_url_sensors + beginend(days),
   9                                 mimeType: 'json',
  10                                 xs: {
  11                                         '0416a1ac66ff': '0416a1ac66ff_x',
  12                                         '0516a207a4ff': '0516a207a4ff_x',
  13                                         '0416a1bab9ff': '0416a1bab9ff_x'
  14                                 },
  15                                 names: {
  16                                         '0416a1ac66ff': 'Wassertemperatur in 50 cm Tiefe',
  17                                         '0516a207a4ff': 'Wassertemperatur in 1 m Tiefe',
  18                                         '0416a1bab9ff': 'Wassertemperatur in 2 m Tiefe'
  19                                 },
  20                                 xFormat: '%Y-%m-%d %H:%M:%S',
  21                                 colors: {
  22                                         '0416a1ac66ff': 'lightskyblue',
  23                                         '0516a207a4ff': 'royalblue',
  24                                         '0416a1bab9ff': 'midnightblue'
  25                                 }
  26                 };
  27         } else {
  28                 chartdata = {
  29                                 url: api_base_url_weather + beginend(days),
  30                                 mimeType: 'json',
  31                                 xs: {
  32                                         '3319578': '3319578_x'
  33                                 },
  34                                 names: {
  35                                         '3319578': 'Lufttemperatur in Obsteig'
  36                                 },
  37                                 xFormat: '%Y-%m-%d %H:%M:%S',
  38                                 colors: {
  39                                         '3319578': 'red'
  40                                 }
  41                 };
  42         };
  43         var chart = c3.generate({
  44                 bindto: '#' + element,
  45                 size: {
  46                         width: document.getElementById(element).parentElement.clientWidth * 80 / 100
  47                 },
  48                 transition: {
  49                         duration: null
  50                 },
  51                 title: {
  52                         text: title
  53                 },
  54                 data: chartdata,
  55                 point: {
  56                         r: 1.5 // default 2.5
  57                 },
  58                 axis: {
  59                         x: {
  60                                 type: 'timeseries',
  61                                 tick: {
  62                                         format: xtickformat,
  63                                         fit: false,
  64                                         multiline: true, // broken? so →
  65                                         rotate: -90
  66                                 }
  67                         },
  68                         y: {
  69                                 label: {
  70                                         text: 'Temperatur in °C',
  71                                         position: 'outer-middle'
  72                                 },
  73                                 tick: {
  74                                         format: function (d) {
  75                                                 return d.toFixed(1) + '°';
  76                                         }
  77                                 }
  78                         }
  79                 },
  80                 zoom: {
  81                         enabled: true,
  82                         onzoomend: function (domain) {
  83                                 // UNIX epoch
  84                                 var start = domain[0].getTime()/1000;
  85                                 var end   = domain[1].getTime()/1000;
  86                                 var duration = end - start;
  87                                 // duration is now the diff of the "viewport in seconds"
  88                                 // FIXME
  89                                 var days = Math.round(duration / 86400 / 2);
  90                                 if (days > 0) {
  91                                         loaddays(days);
  92                                 }
  93                         }
  94                 },
  95                 tooltip: {
  96                         format: {
  97                                 // TODO: maybe move to top
  98                                 name: function (name, ratio, id, index) {
  99                                         var prefix = '';
 100                                         if (element.substr(0, 7) == 'chart_w') {
 101                                                 var re = /\d+ c?m/;
 102                                                 prefix = 'Wasser ';
 103                                         } else {
 104                                                 var re = /Luft/;
 105                                         };
 106                                         var result = re.exec(name);
 107                                         return prefix + result;
 108                                 },
 109                                 value: function (value, ratio, id, index) {
 110                                         return value.toFixed(2) + '°';
 111                                 },
 112                                 title: function (x) {
 113                                         // TODO: format datetime into something readable
 114                                         return x;
 115                                 }
 116                         }
 117                 },
 118                 grid: {
 119                         y: {
 120                                 show: true
 121                         }
 122                 },
 123                 regions: [
 124                         {axis: 'y', start: -999, end:   0, class: 'region-frozen'},
 125                         {axis: 'y', start:    0, end:  25, class: 'region-ok'},
 126                         {axis: 'y', start:   25, end: 100, class: 'region-warm'},
 127                         {axis: 'y', start:  100, end: 999, class: 'region-boiling'}
 128                 ]
 129         });
 130 };
 131
 132 function loaddays(days) {
 133         chart.load({
 134                 url: api_base_url_sensors + beginend(days),
 135                 mimeType: 'json'
 136         });
 137 }
 138
 139 function beginend(days) {
 140         var now = Date.now();
 141
 142         // TODO: this timezone calculation relies on the browser being in Europe/Vienna
 143         var refdate = new Date(now);
 144         var offset = refdate.getTimezoneOffset(); // -120 for UTC+2
 145
 146         var end = new Date(now - offset * 60 * 1000).toISOString().substr(0, 19); // 2018-06-13T16:52:30.995Z
 147         var begin = new Date(now - days * 60*60*24 * 1000 - offset * 60 * 1000).toISOString().substr(0, 19);
 148         return '&begin=' + begin + '&end=' + end;
 149 }
 150
 151 dayschart('chart_water_1',   'Der See (Tag)',     1, '%H:%M');
 152 dayschart('chart_water_7',   'Der See (Woche)',   7, '%a %d');
 153 dayschart('chart_water_31',  'Der See (Monat)',  31, 'Woche %V');
 154 dayschart('chart_water_365', 'Der See (Jahr)',  365, '%b %Y');
 155
 156 dayschart('chart_air_1',     'Die Luft (Tag)',     1, '%H:%M');
 157 dayschart('chart_air_7',     'Die Luft (Woche)',   7, '%a %d');
 158 dayschart('chart_air_31',    'Die Luft (Monat)',  31, 'Woche %V');
 159 dayschart('chart_air_365',   'Die Luft (Jahr)',  365, '%b %Y');