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 var api_url_currentair   = '/api/1/currentairtemperature';
   4 var api_url_currentwater = '/api/1/currentwatertemperature';
   5 var refresh_interval     = 5 * 60 * 1000;
   6
   7 function dayschart(element, title, days, xtickformat) {
   8         var chartdata;
   9         if (element.substr(0, 7) == 'chart_w') {
  10                 chartdata = {
  11                                 url: api_base_url_sensors + beginend(days),
  12                                 mimeType: 'json',
  13                                 xs: {
  14                                         '0416a1ac66ff': '0416a1ac66ff_x',
  15                                         '0516a207a4ff': '0516a207a4ff_x',
  16                                         '0416a1bab9ff': '0416a1bab9ff_x',
  17                                         '0316a2193bff': '0316a2193bff_x'
  18                                 },
  19                                 names: {
  20                                         '0416a1ac66ff': 'Wassertemperatur 30cm Tiefe',
  21                                         '0516a207a4ff': 'Wassertemperatur 50cm Tiefe',
  22                                         '0416a1bab9ff': 'Wassertemperatur 1m Tiefe',
  23                                         '0316a2193bff': 'Wassertemperatur in 30 cm Tiefe'
  24                                 },
  25                                 xFormat: '%Y-%m-%d %H:%M:%S',
  26                                 // https://en.wikipedia.org/wiki/Web_colors
  27                                 colors: {
  28                                         '0416a1ac66ff': 'lightskyblue',
  29                                         '0516a207a4ff': 'royalblue',
  30                                         '0416a1bab9ff': 'mediumblue',
  31                                         '0316a2193bff': 'midnightblue'
  32                                 },
  33                                 type: 'line', // default
  34                                 /*
  35                                 xSort: false,
  36                                 order: function (a, b) {
  37                                         // gets 2 x objects. seems to be a "sort function" for js's sort()
  38                                         // -1: a before b etc.
  39                                         // only handle cases that appear in the wild
  40                                         // console.log("a.id", a.id, "b.id", b.id);
  41                                         if (a.id == '0416a1ac66ff') {return -1};
  42                                         if (a.id == '0416a1bab9ff') {return  1};
  43                                 }
  44                                 */
  45                 };
  46         } else {
  47                 chartdata = {
  48                                 url: api_base_url_weather + beginend(days),
  49                                 mimeType: 'json',
  50                                 xs: {
  51                                         '3319578': '3319578_x'
  52                                 },
  53                                 names: {
  54                                         '3319578': 'Lufttemperatur in Obsteig'
  55                                 },
  56                                 xFormat: '%Y-%m-%d %H:%M:%S',
  57                                 colors: {
  58                                         '3319578': 'red'
  59                                 },
  60                                 type: 'spline',
  61                 };
  62         };
  63         var chart = c3.generate({
  64                 bindto: '#' + element,
  65                 size: {
  66                         width: getwidth(element)
  67                 },
  68                 onresized: function () {
  69                         chart.resize({
  70                                 width: getwidth(element)
  71                         });
  72                 },
  73                 transition: {
  74                         duration: null
  75                 },
  76                 title: {
  77                         text: title
  78                 },
  79                 data: chartdata,
  80                 point: {
  81                         r: 1.5 // default 2.5
  82                 },
  83                 axis: {
  84                         x: {
  85                                 type: 'timeseries',
  86                                 tick: {
  87                                         format: function (d) {
  88                                                 var strftimeDE = strftime.localizeByIdentifier('de_DE');
  89                                                 return strftimeDE(xtickformat, new Date(d));
  90                                         },
  91                                         fit: false,
  92                                         multiline: true, // broken? so →
  93                                         rotate: -90
  94                                 }
  95                         },
  96                         y: {
  97                                 label: {
  98                                         text: 'Temperatur in °C',
  99                                         position: 'outer-middle'
 100                                 },
 101                                 tick: {
 102                                         format: function (d) {
 103                                                 return d.toFixed(1) + '°';
 104                                         }
 105                                 }
 106                         }
 107                 },
 108                 zoom: {
 109                         enabled: true,
 110                         /*
 111                         onzoomend: function (domain) {
 112                                 var duration = (domain[1] - domain[0]) / 1000; // duration is now the diff of the "viewport in seconds"
 113                                 // FIXME?
 114                                 var days = duration / 86400;
 115                                 if (days > 0) {
 116                                         loaddays(this, element, days); // this = chart
 117                                 }
 118                         }
 119                         */
 120                 },
 121                 tooltip: {
 122                         format: {
 123                                 // TODO: maybe move to top
 124                                 name: function (name, ratio, id, index) {
 125                                         var prefix = '';
 126                                         if (element.substr(0, 7) == 'chart_w') {
 127                                                 var re = /\d+ ?c?m/;
 128                                                 prefix = 'Wasser ';
 129                                         } else {
 130                                                 var re = /Luft/;
 131                                         };
 132                                         var result = re.exec(name);
 133                                         return prefix + result;
 134                                 },
 135                                 value: function (value, ratio, id, index) {
 136                                         return value.toFixed(2) + '°';
 137                                 },
 138                                 title: function (datetime) {
 139                                         // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleString
 140                                         options = {
 141                                                 weekday: 'short',
 142                                                 year: 'numeric', month: 'numeric', day: 'numeric',
 143                                                 hour: 'numeric', minute: 'numeric', second: 'numeric',
 144                                                 timeZone: 'Europe/Vienna', timeZoneName: 'short'
 145                                         };
 146                                         return datetime.toLocaleString('de-AT', options);
 147                                 }
 148                         }
 149                 },
 150                 grid: {
 151                         y: {
 152                                 show: true
 153                         },
 154                         x: {
 155                                 show: true
 156                         }
 157                 },
 158                 regions: [
 159                         {axis: 'y', start: -999, end:   0, class: 'region-frozen'},
 160                         {axis: 'y', start:    0, end:  25, class: 'region-ok'},
 161                         {axis: 'y', start:   25, end: 100, class: 'region-warm'},
 162                         {axis: 'y', start:  100, end: 999, class: 'region-boiling'}
 163                 ]
 164         });
 165
 166         // workaround for unrendered dots
 167         setTimeout(function () { chart.flush(); }, 5000);
 168
 169         // reload data in charts
 170         setInterval(
 171                 function() {
 172                         loaddays(chart, element, days);
 173                 },
 174                 refresh_interval
 175         );
 176 };
 177
 178 function loaddays(chart, element, days) {
 179         // TODO: maybe move to top or factor out somehow
 180         if (element.substr(0, 7) == 'chart_w') {
 181                 chart.load({
 182                         url: api_base_url_sensors + beginend(days),
 183                         mimeType: 'json',
 184                         unload: true
 185                 });
 186         } else {
 187                 chart.load({
 188                         url: api_base_url_weather + beginend(days),
 189                         mimeType: 'json',
 190                         unload: true
 191                 });
 192         };
 193         setTimeout(function () { chart.flush(); }, 5000);
 194 }
 195
 196 function beginend(days) {
 197         var now = Date.now();
 198
 199         // TODO: this timezone calculation relies on the browser being in Europe/Vienna
 200         var refdate = new Date(now);
 201         var offset = refdate.getTimezoneOffset(); // -120 for UTC+2
 202
 203         var end = new Date(now - offset * 60 * 1000).toISOString().substr(0, 19); // 2018-06-13T16:52:30.995Z
 204         var begin = new Date(now - days * 60*60*24 * 1000 - offset * 60 * 1000).toISOString().substr(0, 19);
 205         return '&begin=' + begin + '&end=' + end;
 206 }
 207
 208 function getwidth(element) {
 209         return document.getElementById(element).parentElement.clientWidth * 80 / 100;
 210 }
 211
 212 dayschart('chart_water_1',   'Der See (Tag)',     1, '%H:%M');
 213 dayschart('chart_water_7',   'Der See (Woche)',   7, '%a %d');
 214 dayschart('chart_water_31',  'Der See (Monat)',  31, '%Y-%m-%d');
 215 dayschart('chart_water_365', 'Der See (Jahr)',  365, '%b %Y');
 216
 217 dayschart('chart_air_1',     'Die Luft (Tag)',     1, '%H:%M');
 218 dayschart('chart_air_7',     'Die Luft (Woche)',   7, '%a %d');
 219 dayschart('chart_air_31',    'Die Luft (Monat)',  31, '%Y-%m-%d');
 220 dayschart('chart_air_365',   'Die Luft (Jahr)',  365, '%b %Y');
 221
 222 // reload current values + owm script
 223 setInterval(
 224         function() {
 225                 var airvalue   = document.getElementById('currentairvalue');
 226                 var airtime    = document.getElementById('currentairtime');
 227                 var watervalue = document.getElementById('currentwatervalue');
 228                 var watertime  = document.getElementById('currentwatertime');
 229                 fetch(api_url_currentair)
 230                         .then((resp) => resp.json())
 231                         .then(function(data) {
 232                                 airvalue.innerText = data['value'].toFixed(1);
 233                                 airtime.innerText  = strftime('%Y-%m-%d %H:%M', new Date(data['timestamp']));
 234                         })
 235                         .catch(function(error) {
 236                                 console.log(error);
 237                         });
 238                 fetch(api_url_currentwater)
 239                         .then((resp) => resp.json())
 240                         .then(function(data) {
 241                                 watervalue.innerText = data['value'].toFixed(1);
 242                                 watertime.innerText  = strftime('%Y-%m-%d %H:%M', new Date(data['timestamp']));
 243                         })
 244                         .catch(function(error) {
 245                                 console.log(error);
 246                         });
 247
 248                 var owmwidget = document.getElementById('openweathermap-widget-15');
 249                 owmwidget.removeChild(owmwidget.childNodes[0]);
 250                 var owmscript = document.head.lastElementChild;
 251                 document.head.removeChild(owmscript);
 252                 var newowmscript = document.createElement('script');
 253                 newowmscript.src = '//openweathermap.org/themes/openweathermap/assets/vendor/owm/js/weather-widget-generator.js';
 254                 document.head.appendChild(newowmscript);
 255         },
 256         refresh_interval
 257 );