sun-time/index.js

Calculator of sunrise time as well as sunset time according to location(Long.,lat.) or city name.

((JsDK,ETL,db,api,salatTime,$)=>{
//salatTime.getTimes(new Date(), [43, -80], -5);
   api.moodoon=ETL.extract(__dirname+'/db/moodon.txt',{process:db.process_moodoon})
   $(api.moodoon.length);
/**
*
*/
  api.coordCity=function(name){
      let result=api.moodoon.filter((city)=>city.name.toLowerCase()===name.toLowerCase());
      if(!result.length){
         result=api.moodoon.filter((city)=> `,${city.namei18n.toLowerCase()},`.indexOf(`,${name.toLowerCase()},`)>=0);
         if(!result.length){
           result=api.coordCityComplx(name);

         }
      }

      return result.map((city)=>[parseFloat(city.lat+""),parseFloat(city.long+"")]);

  };
  api.coordCityComplx=function(name){
      try {
           var city=require('db-city');
           return city.find(name);
      } catch (e) {
            console.log(` "${name}" City is not found!! install "db-city" package to increase the potential of finding City
                       =>Run :  npm install -g db-city;
                        Then , "sun-time" will detect that "db-city" exists & it will search on 3.1 million cities.
            `);
        }
  };
  /**
  *   sun(24.32,18.556);  --> {rise:"5:00",set:"18:50"}
      sun(24,18,13) ->
      sun([24,18],date,{tz:120,dst:1})  --> 120min=GMT+2,dst=Daylight Saving Time

      sun([24,18,1],date,{tz:2,format:'24h',dst:0}) ->format="24h","12hNS","12h","Float"
  *   sun('Riyadh') -->  {rise:"5:00",set:"18:50"}
      sun('Riyadh',new Date('11/25/2014'),{});

      sun()
  *
  */


    JsDK.overload(api,'sun');api.sun.meta={};
    api.sun.meta.DEFAULT_OPTS={date:()=>new Date(),tz:()=>-parseInt((new Date().getTimezoneOffset())/60)}
    api.sun_2_number_number=function(lat,long){
         return api.sun_3_number_number_number(lat,long,0);
    };

    api.sun_3_number_number_number=function(lat,long,elevation){
         return api.sun_3_object_object_object([lat,long,elevation],api.sun.meta.DEFAULT_OPTS.date(),{})
    };
    api.sun_3_object_object_object=function(lle,date,opts){
        opts=JsDK.extends(opts,{tz:api.sun.meta.DEFAULT_OPTS.tz(),dst:0,format:'24h'});

        let times=salatTime.getTimes(date, lle, opts.tz,opts.dst,opts.format);
         return {rise:times.sunrise,set:times.sunset};
    };

    api.sun_1_string=function(city){
         return api.sun_2_string_object(city,new Date());
    }
    api.sun_2_string_object=function(city,date){
        return api.sun_3_string_object_object(city,date,{});
    };
    api.sun_3_string_object_object=function(city,date,opts){
        let coords=api.coordCity(city);
        if(coords && coords.length){
           coords=coords.map((e)=>api.sun_3_object_object_object([e[0],e[1]],date,opts));
           if(coords.length===1){
             return coords[0];
           }
        }
        return coords;
    };

    api.sun.rise=function(){
       let result= api.sun(...arguments);
       if(result && result.rise){
         return result.rise;
       }else if(result && result.length){
           return result.map((r)=>r.rise);
       }
    };
    api.sun.set=function(){
      let result= api.sun(...arguments);
      if(result && result.set){
        return result.set;
      }else if(result && result.length){
          return result.map((r)=>r.set);
      }
    };

    module.exports=api.sun;
})(require('x-class'),require('node-etl'),require('./db/load.js'),{},require('./salat_times.js'),function(){console.log(...arguments)});