User:Abel/experimental.js

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console.log("~");

var PersonalDataDataBaseName = "PDIO2";
var Pete = {id: 11345, name: {first: "Pete", last: "Rock"}, age: 52};

recordAdd(PersonalDataDataBaseName, Pete);
recordUpdate(PersonalDataDataBaseName, Pete, 'phone', '+313851777');
recordCheck(PersonalDataDataBaseName, Pete);

function recordAdd(pddbname, record){
  console.log("pn1");
  var pddb = window.indexedDB.open(pddbname, 3);

  pddb.addEventListener('error', (event) => {
    console.log('Request error:', pddb.error);
  }, false);

  pddb.onupgradeneeded = function() {
    var db = pddb.result;
    var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"});
    var index = store.createIndex("NameIndex", ["name.last", "name.first"]);
  };

  pddb.onsuccess = function() {
    
    var db = pddb.result;
    var tx = db.transaction(PersonalDataDataBaseName, "readwrite");
    var store = tx.objectStore(PersonalDataDataBaseName);
    var index = store.index("NameIndex");  
    
    var obj_inp = predateCheck(record);
    store.put(obj_inp);

    console.log("Mark 2: " + obj_inp.name.first); 
    console.log("Mark 2: " + obj_inp.name.last + "...");
    var sanitycheck = index.get([obj_inp.name.last, obj_inp.name.first]);
    sanitycheck.onsuccess = function() {
      console.log(sanitycheck);
    }

    tx.oncomplete = function() {
      db.close();
    };  
  };
};

function recordUpdate(pddbname, record, field, value){
  console.log("pn2");
  var pddb = window.indexedDB.open(pddbname, 3);

  pddb.addEventListener('error', (event) => {
    console.log('Request error:', pddb.error);
  }, false);

  pddb.onupgradeneeded = function() {
    var db = pddb.result;
    var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"});
    var index = store.createIndex("NameIndex", ["name.last", "name.first"]);
  };

  pddb.onsuccess = function() {
        // Start a new transaction
        var db = pddb.result;
        var tx = db.transaction(PersonalDataDataBaseName, "readwrite");
        var store = tx.objectStore(PersonalDataDataBaseName);
        var index = store.index("NameIndex");

        var getRecord = predateCheck(record);

        getRecord.onsuccess = function() {
            console.log("updating");
            inp_obj = getRecord; 
            inp_obj[field] = value;   // => "Bob"
            store.put(inp_obj);

            getRecordAgain = index.get([inp_obj.name.last, inp_obj.name.first]);
            getRecordAgain.onsuccess = function() {
                console.log("Mark 1...");
                console.log(getRecordAgain);   // => "Bob"
                if ( getRecordAgain.result[field] == value ) { 
                  console.log("update succeeded");
                } else {
                  console.log("update unsuccessful");
                }
              };   
            };

      // Close the db when the transaction is done
      tx.oncomplete = function() {
        db.close();
      };
    };
  };

function recordCheck(pddbname, record){
  console.log("pn1");
  var pddb = window.indexedDB.open(pddbname, 3);

  pddb.addEventListener('error', (event) => {
    console.log('Request error:', pddb.error);
  }, false);

  pddb.onupgradeneeded = function() {
    var db = pddb.result;
    var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"});
    var index = store.createIndex("NameIndex", ["name.last", "name.first"]);
  };

  pddb.onsuccess = function() {
    var db = pddb.result;
    var tx = db.transaction(PersonalDataDataBaseName, "readwrite");
    var store = tx.objectStore(PersonalDataDataBaseName);
    var index = store.index("NameIndex");  
  
    var recordcheck = predateCheck(record);
    console.log(recordcheck);
    console.log("...Mark 0");
    }

    tx.oncomplete = function() {
      db.close();
    };  
  };

function predateCheck(record){
    if( index.get([record.name.last, record.name.first]) != undefined ) {
      console.log("predating record already found");
      var obj_transmit = index.get([record.name.last, record.name.first]);
      obj_transmit.onsuccess = function() {
        return obj_transmit.result;
      }
    } else {
      return record;
    }
}

User:Abel/experimental.js

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