var key = "98C77A5A-330F-F74B-8946-8A24E66D50FD3FA1F803-7446-4B24-8CFC-C62D5F7679AF"

function getMaterials() {
  var myUrl = "https://api.guildwars2.com/v2/account/materials?access_token=" + escape(key);
  var jsonData = UrlFetchApp.fetch(myUrl);
  var jsonString = jsonData.getContentText();
  return jsonString;
}

var data = getMaterials();

// Map each object by ID
function getMaterialIdMap(data){
  var materials = {};
  for(var i = 0; i < data.length; i++ ){
    var material = data[i];
    if(material.hasOwnProperty('id')){ // Ensure we only get objects with ids
      materials[material.id] = material;
    }
  }
  return materials
}

// Map just the count to id
function getIdToCountMap(data){
  var materials = {};
  for(var i = 0; i < data.length; i++ ){
    var material = data[i];
    if(material.hasOwnProperty('id') && material.hasOwnProperty('count')){ // Ensure we only get objects with counts and ids
      materials[material.id] = material.count;
    }
  }
  return materials
}


var materialMap = getMaterialIdMap(data);


// For just the counts
var materialCountMap = getIdToCountMap(data);

// For the full object by id
function countFromId (id){
   return materialCountMap[id];
}