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