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                                         '0316a2193bff': '0316a2193bff_x'
  15                                 },
  16                                 names: {
  17                                         '0416a1ac66ff': 'Wassertemperatur 30cm Tiefe',
  18                                         '0516a207a4ff': 'Wassertemperatur 50cm Tiefe',
  19                                         '0416a1bab9ff': 'Wassertemperatur 1m Tiefe',
  20                                         '0316a2193bff': 'Wassertemperatur in 30 cm Tiefe'
  21                                 },
  22                                 xFormat: '%Y-%m-%d %H:%M:%S',
  23                                 // https://en.wikipedia.org/wiki/Web_colors
  24                                 colors: {
  25                                         '0416a1ac66ff': 'lightskyblue',
  26                                         '0516a207a4ff': 'royalblue',
  27                                         '0416a1bab9ff': 'mediumblue',
  28                                         '0316a2193bff': 'midnightblue'
  29                                 },
  30                                 /*
  31                                 xSort: false,
  32                                 order: function (a, b) {
  33                                         // gets 2 x objects. seems to be a "sort function" for js's sort()
  34                                         // -1: a before b etc.
  35                                         // only handle cases that appear in the wild
  36                                         // console.log("a.id", a.id, "b.id", b.id);
  37                                         if (a.id == '0416a1ac66ff') {return -1};
  38                                         if (a.id == '0416a1bab9ff') {return  1};
  39                                 }
  40                                 */
  41                 };
  42         } else {
  43                 chartdata = {
  44                                 url: api_base_url_weather + beginend(days),
  45                                 mimeType: 'json',
  46                                 xs: {
  47                                         '3319578': '3319578_x'
  48                                 },
  49                                 names: {
  50                                         '3319578': 'Lufttemperatur in Obsteig'
  51                                 },
  52                                 xFormat: '%Y-%m-%d %H:%M:%S',
  53                                 colors: {
  54                                         '3319578': 'red'
  55                                 }
  56                 };
  57         };
  58         var chart = c3.generate({
  59                 bindto: '#' + element,
  60                 size: {
  61                         width: document.getElementById(element).parentElement.clientWidth * 80 / 100
  62                 },
  63                 onresized: function () {
  64                         chart.resize({
  65                                 width: document.getElementById(element).parentElement.clientWidth * 80 / 100
  66                         });
  67                         // chart.flush();
  68                 },
  69                 transition: {
  70                         duration: null
  71                 },
  72                 title: {
  73                         text: title
  74                 },
  75                 data: chartdata,
  76                 point: {
  77                         r: 1.5 // default 2.5
  78                 },
  79                 axis: {
  80                         x: {
  81                                 type: 'timeseries',
  82                                 tick: {
  83                                         format: xtickformat,
  84                                         fit: false,
  85                                         multiline: true, // broken? so →
  86                                         rotate: -90
  87                                 }
  88                         },
  89                         y: {
  90                                 label: {
  91                                         text: 'Temperatur in °C',
  92                                         position: 'outer-middle'
  93                                 },
  94                                 tick: {
  95                                         format: function (d) {
  96                                                 return d.toFixed(1) + '°';
  97                                         }
  98                                 }
  99                         }
 100                 },
 101                 zoom: {
 102                         enabled: true,
 103                         /*
 104                         onzoomend: function (domain) {
 105                                 // UNIX epoch
 106                                 var start = domain[0].getTime()/1000;
 107                                 var end   = domain[1].getTime()/1000;
 108                                 var duration = end - start;
 109                                 // duration is now the diff of the "viewport in seconds"
 110                                 // FIXME
 111                                 var days = Math.round(duration / 86400 / 2);
 112                                 if (days > 0) {
 113                                         loaddays(this, element, days); // this = chart
 114                                 }
 115                         }
 116                         */
 117                 },
 118                 tooltip: {
 119                         format: {
 120                                 // TODO: maybe move to top
 121                                 name: function (name, ratio, id, index) {
 122                                         var prefix = '';
 123                                         if (element.substr(0, 7) == 'chart_w') {
 124                                                 var re = /\d+ ?c?m/;
 125                                                 prefix = 'Wasser ';
 126                                         } else {
 127                                                 var re = /Luft/;
 128                                         };
 129                                         var result = re.exec(name);
 130                                         return prefix + result;
 131                                 },
 132                                 value: function (value, ratio, id, index) {
 133                                         return value.toFixed(2) + '°';
 134                                 },
 135                                 title: function (datetime) {
 136                                         // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleString
 137                                         options = {
 138                                                 weekday: 'short',
 139                                                 year: 'numeric', month: 'numeric', day: 'numeric',
 140                                                 hour: 'numeric', minute: 'numeric', second: 'numeric',
 141                                                 timeZone: 'Europe/Vienna', timeZoneName: 'short'
 142                                         };
 143                                         return datetime.toLocaleString('de-AT', options);
 144                                 }
 145                         }
 146                 },
 147                 grid: {
 148                         y: {
 149                                 show: true
 150                         }
 151                 },
 152                 regions: [
 153                         {axis: 'y', start: -999, end:   0, class: 'region-frozen'},
 154                         {axis: 'y', start:    0, end:  25, class: 'region-ok'},
 155                         {axis: 'y', start:   25, end: 100, class: 'region-warm'},
 156                         {axis: 'y', start:  100, end: 999, class: 'region-boiling'}
 157                 ]
 158         });
 159 };
 160
 161 function loaddays(chart, element, days) {
 162         // TODO: maybe move to top or factor out somehow
 163         if (element.substr(0, 7) == 'chart_w') {
 164                 chart.load({
 165                         url: api_base_url_sensors + beginend(days),
 166                         mimeType: 'json'
 167                 });
 168         } else {
 169                 chart.load({
 170                         url: api_base_url_weather + beginend(days),
 171                         mimeType: 'json'
 172                 });
 173         }
 174 }
 175
 176 function beginend(days) {
 177         var now = Date.now();
 178
 179         // TODO: this timezone calculation relies on the browser being in Europe/Vienna
 180         var refdate = new Date(now);
 181         var offset = refdate.getTimezoneOffset(); // -120 for UTC+2
 182
 183         var end = new Date(now - offset * 60 * 1000).toISOString().substr(0, 19); // 2018-06-13T16:52:30.995Z
 184         var begin = new Date(now - days * 60*60*24 * 1000 - offset * 60 * 1000).toISOString().substr(0, 19);
 185         return '&begin=' + begin + '&end=' + end;
 186 }
 187
 188 dayschart('chart_water_1',   'Der See (Tag)',     1, '%H:%M');
 189 dayschart('chart_water_7',   'Der See (Woche)',   7, '%a %d');
 190 dayschart('chart_water_31',  'Der See (Monat)',  31, '%Y-%m-%d');
 191 dayschart('chart_water_365', 'Der See (Jahr)',  365, '%b %Y');
 192
 193 dayschart('chart_air_1',     'Die Luft (Tag)',     1, '%H:%M');
 194 dayschart('chart_air_7',     'Die Luft (Woche)',   7, '%a %d');
 195 dayschart('chart_air_31',    'Die Luft (Monat)',  31, '%Y-%m-%d');
 196 dayschart('chart_air_365',   'Die Luft (Jahr)',  365, '%b %Y');