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// Indexeddb JavaScript  
 
// Indexeddb JavaScript  
 
console.log('Indb loading');
 
console.log('Indb loading');
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function idxdbContainer( ww ) {
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hashCode = function(s) {
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if ( s == undefined ) {
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s = '00'
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}
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var h = 0, l = s.length, i = 0;
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if ( l > 0 )
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while (i < l)
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h = (h << 5) - h + s.charCodeAt(i++) | 0;
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return h;
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};
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if ( ww.user != undefined ) {
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var self = ww.user.getName();
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var idgen = hashCode(self);
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console.log(idgen);
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// Take username for standard databasename format
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var PersonalDataDataBaseName = "PD.IO" + idgen + "Database";
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// Use username in user to get up to date version of self
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var CurrentPerson = {id: idgen, name: {user: self}, age: 0};
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console.log(PersonalDataDataBaseName);
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console.log(CurrentPerson);
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}
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// ADD MORE DOC
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// EnqueuePDIO a PDIOLocalDatabase:User database access function with modes
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// External accessible wrapper for Enquire
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this.EnqueuePDIO = function( sw, c1, c2, c3 ) {
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return Enquire( PersonalDataDataBaseName, CurrentPerson, sw, c1, c2, c3 );
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}
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// Enquire, a general purpose indexeddb update function with modes
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// Mode 'aggressive push':
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// parameter record is pushed to database, overwriting whatever is there
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// Mode 'checkin':
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// record is retrieved from database, parameter record is pushed if not found
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// Mode 'get record'
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// tries to get record from db, returns undefined if not found
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// Mode 'update record' field1 field2 field3
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// retrieve record, make record.field1.field2 = field3, push back
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// Mode 'update record' field1 field2
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// retrieve record, make record.field1 = field2, push back
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function Enquire( pddbname, record, sqitch, control_1, control_2, control_3 ) {
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var pddb = window.indexedDB.open(pddbname, 3);
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pddb.onupgradeneeded = function() {
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var db = pddb.result;
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var store = db.createObjectStore(pddbname, {keyPath: "id"});
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// shouldn't the index be the wiki.personaldata.io username?
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var index = store.createIndex("NameIndex", ["id"]);
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};
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pddb.onsuccess = function() {
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var db = pddb.result;
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var tx = db.transaction(pddbname, "readwrite");
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var store = tx.objectStore(pddbname);
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var index = store.index("NameIndex");
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// Get the original record from the db...
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var getRecord = index.get([record.id]);
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var inp_obj;
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getRecord.onsuccess = function() {
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console.log( "Record found in database: \n <<");
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console.log( getRecord.result );
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console.log( ">>");
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// Essential recordAdd
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if ( sqitch === "aggressive push" ) {
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inp_obj = record;
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store.put( inp_obj );
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return inp_obj;
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} else if ( sqitch === "checkin" ) {
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if ( getRecord.result != undefined ) {
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console.log("getting from store");
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inp_obj = getRecord.result;
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} else {
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console.log("overriding whatever in there");
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inp_obj = record;
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store.put(inp_obj);
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}
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} else {
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if ( getRecord.result != undefined ) {
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inp_obj = getRecord.result;
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if ( sqitch === "get record" ) {
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// if found, let's use that from now on
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console.log("Getting record");
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// let's return it so that our addrecord can be used as a getter as well
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return inp_obj;
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}
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//
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// endof onsuccess
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} else {
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console.log("record not found");
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if ( sqitch === "update record" ) {
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inp_obj = record;
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} else {
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return undefined;
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}
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}
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// endof resultdefined
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}
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// endofELSE
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if ( sqitch === "update record" ) { // Record Update
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if ( control_1 != undefined ) {
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if ( control_2 != undefined ) {
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if ( control_3 != undefined ) {
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if ( Array.isArray( inp_obj[ control_1 ][ control_2 ] ) ) {
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inp_obj[ control_1 ][ control_2 ].push( control_3 );
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} else {
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inp_obj[ control_1 ][ control_2 ] = control_3; // => "Bob"
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}
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store.put(inp_obj);
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} else {
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if ( Array.isArray( inp_obj[ control_1 ] ) ) {
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inp_obj[ control_1 ].push( control_2 );
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} else {
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inp_obj[ control_1 ] = control_2;
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}
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store.put(inp_obj);
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}
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// +3
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} else {
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store.put(inp_obj);
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return inp_obj[ control_1 ];
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}
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// +2
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} else {
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return inp_obj;
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}
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};
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};
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};
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};
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};
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