vaxillology

// If you're looking at this, you probably know more about code than I do.
// I apologize for the messy code. I'm a journalist, not a developer. And this is an experiment, not a polished piece of software.
// If you'd like to make me aware of problems with the code, you can write me to hello@davidbauer.ch. 

// countries missing in OWID dataset (dec 29): KIR, PRK, FSM, NRU, PLW, TON, TKM, TUV


var datafound = [];
var datamissing = [];
var matched = [];

var myObj; // where we save all imported data
var herdImmu = 85; // percent of population we assume for herd immunity

var aggregates = [];

var importedCountries = [];

// TODO: automatically get this list from https://github.com/owid/covid-19-data/blob/master/scripts/scripts/vaccinations/automations/automation_state.csv
// currently does weird things when we run getStartedCountries. builds the array, but matching via .includes() fails
var startedCountries = ['Argentina','Australia','Austria','Belgium','Brazil','Bulgaria','Canada','Cayman Islands','Chile','Czechia','Denmark','Ecuador','England','Estonia','Faeroe Islands','Finland','France','Germany','Greece','Iceland','India','Indonesia','Ireland','Isle of Man','Israel','Italy','Japan','Jersey','Latvia','Lebanon','Liechtenstein','Lithuania','Luxembourg','Maldives','Malta','Montenegro','Morocco','Netherlands','Northern Ireland','Norway','Peru','Poland','Portugal','Romania','San Marino','Saudi Arabia','Scotland','Slovakia','Slovenia','South Korea','Spain','Sweden','Switzerland','Turkey','Ukraine','United Arab Emirates','United Kingdom','United States','Wales','Albania','Algeria','Andorra','Anguilla','Azerbaijan','Bahrain','Bangladesh','Barbados','Belarus','Bermuda','Bolivia','Cambodia','China','Colombia','Costa Rica','Croatia','Cyprus','Dominican Republic','Egypt','El Salvador','Falkland Islands','Gibraltar','Greenland','Guatemala','Guernsey','Guyana','Hong Kong','Hungary','Iran','Jordan','Kazakhstan','Kuwait','Macao','Malaysia','Mauritius','Mexico','Monaco','Myanmar','Nepal','New Zealand','Northern Cyprus','Oman','Pakistan','Panama','Paraguay','Qatar','Russia','Saint Helena','Senegal','Serbia','Seychelles','Singapore','South Africa','Sri Lanka','Trinidad and Tobago','Turks and Caicos Islands','Venezuela','Zimbabwe']

// IMPORT DATA FROM OWID

var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
  if (this.readyState == 4 && this.status == 200) {
    
    console.log("Importing data from Our World In Data. Support their work: https://ourworldindata.org/donate.");
    console.log("=========================================");
    
    updatestamp();
        
    myObj = JSON.parse(this.responseText);
    
    getStartedCountries(function() {processData(myObj)});
        
    //processData(myObj);
        	
	// run QA
	qualitycheck();
    
  }
  
};
xmlhttp.open("GET", "https://covid.ourworldindata.org/data/latest/owid-covid-latest.json", true);
//xmlhttp.open("GET", "https://raw.githubusercontent.com/owid/covid-19-data/master/public/data/latest/owid-covid-latest.json", true); // backup
xmlhttp.send(); 

//FUNCTIONS

processData = function(d) {
			
	for (country in myObj) {
		
		// get the data we need
		iso = `${country}`;
		countryname = myObj[country].location;
		//continent = myObj[country].continent;
					
		doses_pH = myObj[country].total_vaccinations_per_hundred;
		
		vaccinated_pH = myObj[country].people_vaccinated_per_hundred;
		fullyvaccinated_pH = myObj[country].people_fully_vaccinated_per_hundred;
		
		vaxratio = undefined;
				
		// filter out aggregates like world, EU, continents
		if (iso.substring(0,4) == "OWID") {
			if (iso == "OWID_WRL") {
				$('.dosesworldwide').text(doses_pH);
				$('.fullyvaxworldwide').text(fullyvaccinated_pH);
			}
			
			aggregates.push(countryname + "(" + iso + "): " + doses_pH + " doses per hundred inhabitants. | " + fullyvaccinated_pH + "% fully vaccinated.");
			
		}
		
		// proceed with countries only
		else {
			
			// check if data is available or if country is on list of those who started vaccinating (some might not have recent data)
			if (startedCountries.includes(countryname) || doses_pH != undefined ) {
				
				
				
				matched.push(countryname + "(" + iso + ")");
				
				// check if country has optimal data (number of people vaccinated)
				if (vaccinated_pH != null && fullyvaccinated_pH != null) {
					vaxratio = (vaccinated_pH - fullyvaccinated_pH)/2 + fullyvaccinated_pH; //vaccinated but not fully vaccinated people count half
					vaxratio = Math.round((vaxratio + Number.EPSILON) * 100) / 100; // round to 2 decimals max
					saturate(iso,vaxratio);
					datafound.push(countryname + "(" + iso + "): " + doses_pH + " doses per hundred inhabitants. | " + fullyvaccinated_pH + "% fully vaccinated.");
				}

				// check if country has recent data on doses administered (fallback)
				else if (doses_pH != undefined) {
					saturate(iso,doses_pH/2);
					datafound.push(countryname + "(" + iso + "): " + doses_pH + " doses per hundred inhabitants.");	
				}
				
				// country has started vaccinating, but has no recent data
				else {
					
				}
				
				label(iso, countryname, doses_pH, fullyvaccinated_pH);
				markStarted(iso);
			
			}
	
			// country has no data and hasn't started, so save it to array of missing
			else {
				datamissing.push(countryname + "(" + iso + ")");
				label(iso, countryname, doses_pH, fullyvaccinated_pH);
				
				
			}
					
		}				
	}
}


saturate = function(c,proxy) { // c = identifier for country, proxy = best available proxy for herd immunity	
	var flagobj = "." + c + "";
	
	var pct = proxy/herdImmu*100; // mapping value to 0 to 100% scale
		
	var saturation = "saturate(" + pct + "%)"; 
	$(flagobj).css({'filter': saturation});

}

label = function(c,n,v,fullyvax) { // c = identifier for country, n = country name, v = value, cont = continent, fullyvax = %fully vaccinated

	var flagobj = "." + c + "";
	
	if(v != undefined) {
		var alttext = n + ": " + v + " doses per 100 people.";
		$(flagobj).addClass('started');
		
		if (fullyvax != null) {alttext = alttext + " | " + fullyvaccinated_pH + "% fully vaccinated."}
	}
	
	else {
		var alttext = n + ": no vaccinations yet or no data available";
	}
	
	$(flagobj).attr("alt",alttext);
	$(flagobj).attr("title",alttext);	

}

markStarted = function(c) { 
	var flagobj = "." + c + "";
	$(flagobj).addClass('started');

}

updatestamp = function() {

	$.ajax({
        type: "GET",
        url: "https://raw.githubusercontent.com/owid/covid-19-data/master/public/data/owid-covid-data-last-updated-timestamp.txt",
        dataType: "text",
        success: function(data) {
	        console.log("last updated: " + data);
	        d = new Date(data);
	        
	        $('.updatetime').text(d.toLocaleDateString('en-GB'));
	        }
     });

}


getStartedCountries = function(callback) {
	$.ajax({
        type: "GET",
        url: "https://raw.githubusercontent.com/owid/covid-19-data/master/scripts/scripts/vaccinations/automations/automation_state.csv",
        dataType: "text",
        success: function(data) {
	        CSVToArray(data);
	    }
     });
     
    callback();
}



//QA

qualitycheck = function() {
	md = matched.length;
	console.log("Status matched for " + md + " countries");
	fd = datafound.length
	console.log("Data found for " + fd + " countries"); 
	console.log(datafound);
	nf = datamissing.length
	console.log("No data for " + nf + " countries");
	console.log(datamissing);
}

//CLICK FUNCTIONS

showstartedones = function() {
	$('.flag img').not('.started').addClass('hide');
	$('.navbtn').toggleClass('selected');
}

showall = function() {
	$('.hide').removeClass('hide');
	$('.navbtn').toggleClass('selected')
}

makeevthok = function() {
	$('.makeok').toggleClass("isok");
	$('.flag img').toggleClass('evthok');	
	$('.makeok').text(function(i, t){
          return t === "Make everything okay" ? "Back to reality" : "Make everything okay";
      })
}

viewswitch = function() {
	$('.view').toggleClass('hidden');
	$('.viewswitch').text(function(i, t){
          return t === "Group by continent" ? "Sort A-Z" : "Group by continent";
      })
}

setHerdImmu = function (v) {
	herdImmu = v;
	processData(myObj);
	console.log("Herd immunity threshold set to " + v + "%.");
}

//csv

function CSVToArray(input){

	var lines = input.split("\n");

    for (var i = 1; i < lines.length-1; i++) {
       var _firstColumn = lines[i].split(",")[0];
	   
	importedCountries.push(_firstColumn);
	
	}
		
}


// it's the end of the code as we know it