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