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