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dhx.dataDriver.js
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dhx.dataDriver.js
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/*jslint browser: true, devel: true, eqeq: true, newcap: true, nomen: true, white: true, maxerr : 1000, indent : 2, sloppy : true */
/*global $dhx, dhtmlx, Element */
$dhx.dataDriver = {
version: '1.0.3'
, dbs: {}
, _table_to_fill_on_init: 0
, _table_to_filled_on_init: 0
, _total_fkeys_to_check: []
, _total_fkeys_checked: []
, _total_records_to_check: []
, _total_records_checked: []
, browserPassed: function () {
'use strict';
if ($dhx.Browser.name == "Chrome") {
if ($dhx.Browser.version < 31) {
$dhx.debug.log("Browser is out to date");
$dhx.showDirections("BROWSER_VERSION_OUT_TO_DATE");
return false;
}
$dhx.debug.log("Browser is OK for $dhx.dataDriver");
return true;
}
else if ($dhx.Browser.name == "Firefox") {
if ($dhx.Browser.version < 31) {
$dhx.debug.log("Browser is out to date");
$dhx.showDirections("BROWSER_VERSION_OUT_TO_DATE");
return false;
}
$dhx.debug.log("Browser is OK for $dhx.dataDriver");
return true;
}
else if ($dhx.Browser.name == "Opera") {
if ($dhx.Browser.version < 27) {
$dhx.debug.log("Browser is out to date");
$dhx.showDirections("BROWSER_VERSION_OUT_TO_DATE");
return false;
}
$dhx.debug.log("Browser is OK for $dhx.dataDriver");
return true;
}
else if ($dhx.Browser.name == "Safari") {
if ($dhx.Browser.version < 7) {
$dhx.debug.log("Browser is out to date");
$dhx.showDirections("BROWSER_VERSION_OUT_TO_DATE");
return false;
}
//alert($dhx.Browser.OS);
//if ($dhx.Browser.OS != 'Mac') {
// $dhx.debug.log("We only support Safari on Mac");
// $dhx.showDirections("BROWSER_VERSION_OUT_TO_DATE");
// return false;
//}
//
$dhx.debug.log("Browser is OK for $dhx.dataDriver");
return true;
}
else if ($dhx.Browser.name == "Explorer") {
$dhx.debug.log("Browser vendor not allowed");
$dhx.showDirections("BROWSER_NOT_ALLOWED");
return false;
}
else {
$dhx.debug.log("Browser vendor not allowed");
$dhx.showDirections("BROWSER_NOT_ALLOWED");
return false;
}
}
, validDSN: function (c) {
'use strict';
//var that = $dhx.dataDriver;
if ((typeof c.db === 'undefined') || (c.db.length === 0)) {
dhtmlx.message({
type: "error"
, text: "db is missing when creating a database"
});
if (c.onFail) {
c.onFail({
message: "db is missing when creating a database"
});
}
return false;
}
if ((typeof c.schema === 'undefined')) {
c.schema = {};
}
else {
if ($dhx.isObject(c.schema)) {
//
}
else {
dhtmlx.message({
type: "error"
, text: "when you pass the parameter 'schema' to the constructor, it need to be an object"
});
if (c.onFail) {
c.onFail({
message: "when you pass the parameter 'schema' to the constructor, it need to be an array"
});
}
return false;
}
}
return c;
}
, validTableConf: function (c) {
'use strict';
var that = $dhx.dataDriver;
//$dhx.debug.log( 'validTableConf', c );;
if ((typeof c.db === 'undefined') || (c.db.length === 0)) {
dhtmlx.message({
type: "error"
, text: "db is missing when creating a table"
});
if (c.onFail) c.onFail({
message: "db is missing when creating a table"
});
return false;
}
if ((typeof c.table === 'undefined') || (c.table.length === 0)) {
dhtmlx.message({
type: "error"
, text: "table is missing when creating a table"
});
if (c.onFail) c.onFail({
message: "table is missing when creating a table"
});
return false;
}
if ((typeof c.primary_key === 'undefined')) {
dhtmlx.message({
type: "error"
, text: "primary_key is missing when creating a table"
});
if (c.onFail) c.onFail({
message: "primary_key is missing when creating a table"
});
return false;
}
return c;
}
, validIndexConf: function (c) {
'use strict';
var that = $dhx.dataDriver;
if ((typeof c.unique === 'undefined')) {
c.unique = false;
}
if ((typeof c.type === 'undefined')) {
c.type = 'character varying';
}
if ((typeof c.maxlength === 'undefined')) {
c.maxlength = '-1';
}
if ((typeof c.default === 'undefined')) {
c.default = '';
}
if ((typeof c.format === 'undefined')) {
c.format = '';
}
if ((typeof c.validation === 'undefined')) {
c.validation = '';
}
if ((typeof c.required === 'undefined')) {
c.required = false;
}
if (c.type.toLowerCase() == 'serial')
return {
type: 'serial'
, required: true
, validation: 'integer'
, unique: true
};
return c;
}
, validRecord: function (schema, record) {
'use strict';
var that = $dhx.dataDriver
, clone = {};
//$dhx.debug.log( 'schema ' , schema);
if ($dhx.isObject(record)) {
for (var column in schema.columns) {
if (schema.columns.hasOwnProperty(column)) {
if (record.hasOwnProperty(column)) {
if (schema.columns[column].required == true) {
if (typeof record[column] === 'undefined' || record[column] == '' || record[column] == null) {
//$dhx.debug.log( 'XXXXXXXX>>>>>> record has ', column );
//$dhx.debug.log( record[ column ] );
return "column '" + column + "' is a required column";
}
}
if (schema.columns[column].type == "integer" && schema.columns[column].is_nullable == "NO") {
if (record[column].toString().length > 0) {
if (!that._validateValueByType(record[column], "ValidInteger", column))
return "column '" + column + "' just accepts integer values. Entered value: " + record[column];
}
}
if (schema.columns[column].type == "date" && schema.columns[column].is_nullable == "NO") {
if (record[column].toString().length > 0) {
if (!that._validateValueByType(record[column], "ValidDate", column))
return "column '" + column + "' just accepts date values. Entered value: " + record[column];
}
}
if (schema.columns[column].type.indexOf("timestamp") > -1 && schema.columns[column].is_nullable == "NO") {
if (record[column].toString().length > 0) {
if (!that._validateValueByType(record[column], "ValidTime", column))
return "column '" + column + "' just accepts date timestamp values. Entered value: " + record[column];
}
}
if (schema.columns[column].type == "numeric" && schema.columns[column].is_nullable == "NO") {
if (record[column].toString().length > 0) {
if (!that._validateValueByType(record[column], "ValidNumeric", column))
return "column '" + column + "' just accepts date numeric values. Entered value: " + record[column];
}
}
clone[column] = record[column];
}
else {
//$dhx.debug.log( "XXXXXXXX>>>>>> record does not have ", column );
if (schema.columns[column].required == true) {
if (schema.primary_key.keyPath != column)
return "column '" + column + "' is a required column";
}
}
}
}
}
else {
return 'can not parse record' + record;
}
clone[schema.primary_key.keyPath] = record[schema.primary_key.keyPath];
//$dhx.debug.log( 'clone', clone );
return clone;
}
, validRecordUpdate: function (table_schema, record) {
'use strict';
var that = $dhx.dataDriver
, clone = {};
if ($dhx.isObject(record))
for (var column in record)
if (record.hasOwnProperty(column)) {
if (typeof table_schema.columns[column] === 'undefined') {
if (table_schema.primary_key.keyPath != column) {
return 'column ' + column + ' does not exist';
}
}
else {
//$dhx.debug.log(column);
//$dhx.debug.log(table_schema.columns);
if (table_schema.columns[column].type.toLowerCase() != 'serial') {
clone[column] = record[column];
}
}
}
else
return 'can not parse record' + record;
return clone;
}
// can be called only when onupgradeneeded
, createTable: function (c) {
'use strict';
//$dhx.debug.log( 'createTable', c );
try {
if (!$dhx.dataDriver.validTableConf(c))
return;
var db_name = c.db
, that = $dhx.dataDriver
, table = null;
//connection = that.connect( { db : '', version : ''} );
if ($dhx.isObject(c.primary_key))
table = that.dbs[db_name].db.createObjectStore(c.table, c.primary_key);
else
table = that.dbs[db_name].db.createObjectStore(c.table, {
keyPath: c.primary_key
, autoIncrement: true
});
if ($dhx.isObject(c.columns)) {
for (var column in c.columns) {
if (c.columns.hasOwnProperty(column)) {
if ($dhx.dataDriver.validIndexConf(c.columns[column]) == false) continue;
if (c.columns[column].index) {
c.columns[column].unique == true ? "" : c.columns[column].unique = false;
table.createIndex(column, column, {
unique: c.columns[column].unique
});
}
}
}
}
table.transaction.addEventListener('complete', function (event) {
var message = "table " + c.table + " created successfully";
$dhx.debug.info(message);
if (that.dbs[db_name].onCreate) that.dbs[db_name].onCreate({
connection: that.dbs[db_name].connection.connection
, event: that.dbs[db_name].connection.event
, message: message
});
});
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant create table ! Error message: ' + e.message);
//$dhx.debug.info(e);
if (c.onFail) c.onFail(null, null, e.message);
}
}
, dropDatabase: function (c) {
'use strict';
var that = $dhx.dataDriver;
try {
that.disconnect(c.db);
var req = that.indexedDB.deleteDatabase(c.db);
req.onsuccess = function (event) {
$dhx.jDBdStorage.storeObject('$dhx.db.' + c.db, JSON.stringify({}));
$dhx.debug.info("Deleted database " + c.db + " successfully");
if (c.onSuccess) c.onSuccess("Deleted database " + c.db + " successfully", req, event);
};
req.onerror = function (event) {
if (c.onFail) c.onFail(req, event, event.target.error.message);
};
req.onblocked = function (event) {
throw "Couldn't delete database " + c.db + " due to the operation being blocked";
if (c.onFail) c.onFail(req, event, event.target.error.message);
};
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant drop database ! Error message: ' + e.message);
//$dhx.debug.info(e);
if (c.onFail) c.onFail(null, null, e.message);
}
}
, getTableSizeInBytes: function (c) {
'use strict';
try {
var that = $dhx.dataDriver
, db_name = c.db
, updateRequest = null
, rows_affected = 0
, table_schema = that.dbs[db_name].schema[c.table]
, size = 0;
$dhx.debug.time("get db size operation " + $dhx.crypt.SHA2(JSON.stringify(c)));
var tx = that.db(db_name).transaction(c.table, "readonly")
, table = tx.objectStore(c.table)
, request = table.openCursor();
c.onSuccess = c.onSuccess || false;
c.onFail = c.onFail || false;
var str = '';
tx.addEventListener('complete', function (event) {
$dhx.debug.info('tx getTableSizeInBytes is complete done');
});
tx.addEventListener('onerror', function (event) {
$dhx.debug.log('error on transaction');
});
tx.addEventListener('abort', function (event) {
$dhx.debug.info('transaction aborted');
});
request.addEventListener('success', function (event) {
var cursor = event.target.result;
if (cursor) {
var json = JSON.stringify(cursor.value);
str = str + json;
cursor.continue();
}
else {
$dhx.debug.info('executed');
$dhx.debug.log('transaction complete - DB size computed ', event);
$dhx.debug.timeEnd("get db size operation " + $dhx.crypt.SHA2(JSON.stringify(c)));
str = $dhx.UTF8.decode(str);
var blob = new Blob([str], {
type: 'text/html'
}); // the blob
if (c.onSuccess) c.onSuccess(tx, event, blob.size);
}
});
request.addEventListener('error', function (event) {
$dhx.debug.error('sorry Eduardo, couldnt fecth data! Error message: ' + event);
$dhx.debug.timeEnd("get db size operation " + $dhx.crypt.SHA2(JSON.stringify(c)));
if (c.onFail) c.onFail(request, event, size);
});
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant get table size ! Error message: ' + e.message);
//$dhx.debug.info(e);
if (c.onFail) c.onFail(null, null, e.message);
}
}
// ======== Start add() methods
, _savePublishToSync: function (c, event, tx, rows_affected, db_name, table, records, isOnCreate) {
var that = $dhx.dataDriver;
isOnCreate = isOnCreate || false;
//$dhx.debug.timeEnd(timer_label);
$dhx.debug.info('executed _savePublishToSync operation at: ' + c.table);
$dhx.debug.log('transaction complete ', event);
$dhx.debug.info('rows affected: ' + rows_affected);
//alert(c.dontSaveOnServer);
$dhx.MQ.publish(that.dbs[db_name].root_topic + "." + table, {
action: 'add'
, target: 'table'
, name: table
, status: 'success'
, message: 'record added'
, records: records
, onInit: isOnCreate
, localOnly: c.dontSaveOnServer
});
$dhx.dataDriver.public[c.table].onAfterAdd(records, rows_affected);
if (c.onSuccess) c.onSuccess(tx, event, rows_affected);
records = null;
}
, _saveOnIndexedDB: function (c) {
var that = $dhx.dataDriver
, timer_label = "record saved on IndexedDB. task: " + $dhx.crypt.SHA2(JSON.stringify(c))
, db_name = c.db;
$dhx.debug.time(timer_label)
, rows_affected = 0
, isOnCreate = c.isOnCreate
, total_to_add = 1;
total_added = 0;
//schema = that.getTableSchema(c),
//primary_key = schema.primary_key.keyPath;
$dhx.debug.time(timer_label);
var tx = that.db(db_name).transaction(c.table, "readwrite")
, table = tx.objectStore(c.table)
, records = []
, cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
c.onSuccess = c.onSuccess || false;
c.onFail = c.onFail || false;
tx.oncomplete = function (event) {
//$dhx.debug.log('from on complete');
if (total_to_add == total_added) {
$dhx.debug.timeEnd(timer_label);
that._savePublishToSync(c, event, tx, rows_affected, db_name, c.table, records, isOnCreate);
}
//records = null;
};
tx.onerror = function (event) {
$dhx.debug.info('error name: ', event.srcElement.error.name);
$dhx.debug.error('sorry Eduardo, couldnt add record. error message: ' + event.srcElement.error.message);
$dhx.debug.info('rows affected: 0');
$dhx.debug.timeEnd(timer_label);
if (c.onFail) c.onFail(tx, event, rows_affected);
records = null;
};
tx.onabort = function (event) {
$dhx.debug.info(' >>>> ABORTED <<<< ');
$dhx.debug.log(event.target.error.name, event.target.error.message);
$dhx.debug.timeEnd(timer_label);
if (c.onFail) c.onFail(tx, event, rows_affected);
records = null;
}
if ($dhx.isObject(c.record)) {
total_added = total_added + 1;
records.push(c.record);
table.add(c.record);
}
// multiple record
else if ($dhx.isArray(c.record)) {
if (c.record.length > 0) {
total_to_add = c.record.length;
for (var i = 0; i < c.record.length; i++) {
total_added = total_added + 1;
records.push(c.record[i]);
table.add(c.record[i]);
}
}
}
}
, _saveOnServer: function (c) {
var that = $dhx.dataDriver
, schema = that.getTableSchema(c)
, primary_key = schema.primary_key.keyPath
, timer_label = "server request to save record. task: " + $dhx.crypt.SHA2(JSON.stringify(c))
, db_name = c.db;
$dhx.debug.time(timer_label)
, rows_affected = 0
, cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
$dhx.REST.API.insert({
resource: "/" + c.table
, format: "json"
, payload: "hash=" + JSON.stringify(c.record)
, onSuccess: function (request) {
try {
var json = JSON.parse(request.response);
if (json.status == "success") {
dhtmlx.message({
text: 'saved on server'
});
$dhx.debug.timeEnd(timer_label);
//$dhx.debug.log(json);
//json[primary_key]
c.record = json.added_records;
that._saveOnIndexedDB(c);
}
else {
$dhx.debug.timeEnd(timer_label);
that._dispacthServerRejected(c, json);
}
}
catch (e) {
$dhx.debug.timeEnd(timer_label);
that._dispacthProgrammingError(c, e);
}
}
, onFail: function (request) {
$dhx.debug.timeEnd(timer_label);
that._dispacthServerError(c, request);
}
});
}
, _prepareRecordForSaving: function (c, onSuccess, onFail) {
var that = $dhx.dataDriver
, db_name = c.db
, table_schema = that.dbs[db_name].schema[c.table]
, rows_affected = 0
, isOnCreate = c.isOnCreate
, cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
//$dhx.dataDriver.public[c.table].onBeforeAdd();
var timer_label = "_prepareRecordForSaving operation at " + c.table + " " + $dhx.crypt.SHA2(JSON.stringify(c));
$dhx.debug.time(timer_label);
// single record
if ($dhx.isObject(c.record)) {
$dhx.debug.info('........... preparing to insert one record on ' + c.table);
var r = that.validRecord(table_schema, c.record);
if ($dhx.isObject(r)) {
$dhx.debug.log('record is ok for inserting ', r);
}
else {
cloneEvent.target.error.name = 'Type constraint';
cloneEvent.target.error.message = r;
if (c.onFail) c.onFail(null, cloneEvent, r);
$dhx.debug.error('sorry Eduardo, invalid record! Error message: ' + r);
return;
}
}
// multiple record
else if ($dhx.isArray(c.record)) {
$dhx.debug.info('........... preparing to insert ' + c.record.length + ' records on ' + c.table);
if (c.record.length > 0) {
for (var i = 0; i < c.record.length; i++) {
var record = c.record[i];
var r = that.validRecord(table_schema, record);
if ($dhx.isObject(r)) {
$dhx.debug.log('record is ok for inserting ', r);
}
else {
c.record.splice(i, 1);
$dhx.debug.info('record ignored: ', JSON.stringify(record));
$dhx.debug.error('sorry Eduardo, invalid record! Error message: ' + r);
}
}
}
}
else {
$dhx.debug.error('sorry Eduardo, record need to be an array or object');
cloneEvent.target.error.name = 'Wrong format';
cloneEvent.target.error.message = 'sorry Eduardo, record need to be an array or object';
if (c.onFail) c.onFail(null, cloneEvent, r);
return;
}
if ($dhx.isArray(c.record) && c.record.length > 0) {
if (c.dontSaveOnServer == true) {
$dhx.debug.info('publishing new record ... ');
that._saveOnIndexedDB(c);
//that._savePublishToSync(c, null, null, c.record.length, db_name, c.table, c.record, isOnCreate);
}
else {
if (c.isOnCreate) {
$dhx.debug.info('sending record to indexedDB ... ');
that._saveOnIndexedDB(c);
}
else {
$dhx.debug.info('sending record to the server ... ');
that._saveOnServer(c);
}
}
}
else if ($dhx.isObject(c.record)) {
if (c.dontSaveOnServer == true) {
$dhx.debug.info('publishing new record ... ');
that._saveOnIndexedDB(c);
//that._savePublishToSync(c, null, null, c.record.length, db_name, c.table, c.record, isOnCreate);
}
else {
if (c.isOnCreate) {
$dhx.debug.info('sending record to indexedDB ... ');
that._saveOnIndexedDB(c);
}
else {
$dhx.debug.info('sending record to the server ... ');
that._saveOnServer(c);
}
}
}
else {
$dhx.debug.error('any record was passed to insert');
if (c.onSuccess) c.onSuccess(null, null, 0);
return;
}
}
, _checkFkey: function (c) {
try {
//$dhx.debug.log( 'XXXXXXX fk pra checar', c );
var that = $dhx.dataDriver
, db_name = c.db
, table_schema = that.dbs[db_name].schema[c.table]
, schema = that.getTableSchema(c)
, primary_key = schema.primary_key.keyPath
found = false;
var timer_label = "check fkey. task: " + $dhx.crypt.SHA2(JSON.stringify(c));
$dhx.debug.time(timer_label);
var tx = that.db(db_name).transaction(c.table, "readonly")
, table = tx.objectStore(c.table);
tx.addEventListener('complete', function (event) {
$dhx.debug.timeEnd(timer_label);
$dhx.debug.info('executed');
$dhx.debug.info('tx _checkFkey is completed');
});
tx.addEventListener('onerror', function (event) {
$dhx.debug.timeEnd(timer_label);
dhtmlx.message({
type: "error"
, text: event.target.error.message
});
if (c.onFail) c.onFail(tx, event, event.target.error.message);
$dhx.debug.log('error on transaction');
});
tx.addEventListener('abort', function (event) {
$dhx.debug.timeEnd(timer_label);
dhtmlx.message({
type: "error"
, text: event.target.error.message
});
if (c.onFail) c.onFail(tx, event, event.target.error.message);
$dhx.debug.info('transaction aborted');
});
var index = null;
var _checkFkey = '';
//$dhx.debug.log( c.column, primary_key );
//$dhx.debug.log( ( c.column == primary_key ) );
if (c.column == primary_key) {
//$dhx.debug.log( 'XXXXXX MMMM irei procurar na pk' );
_checkFkey = table.get(parseInt(c.value));
}
else {
//$dhx.debug.log( 'XXXXXX MMMM irei procurar no indice' );
index = table.index(c.column)
_checkFkey = index.get(c.value)
}
_checkFkey.onsuccess = function (event) {
var cursor = event.target.result;
if (cursor) {
if (c.onSuccess) c.onSuccess(true, tx, event);
}
else {
var error_message = "value " + c.value + " not found on column '" + c.column + "' from table " + c.table;
dhtmlx.message({
type: "error"
, text: error_message
});
var cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
cloneEvent.target.error.name = 'Foreign Key constraint';
cloneEvent.target.error.message = error_message;
if (c.onFail) c.onFail(tx, cloneEvent, error_message);
}
}
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant _checkFkey! Error message: ' + e.message);
var error_message = "value " + c.value + " not found on column '" + c.column + "' from table " + c.table;
dhtmlx.message({
type: "error"
, text: error_message
});
var cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
cloneEvent.target.error.name = 'Foreign Key constraint';
cloneEvent.target.error.message = error_message;
if (c.onFail) c.onFail(null, cloneEvent, e.message);
}
}
, _addCheckFkeys: function (c, onSuccess, onFail) {
try {
var that = $dhx.dataDriver
, db_name = c.db
, table_schema = that.dbs[db_name].schema[c.table]
, primary_key = table_schema.primary_key.keyPath;
rows_affected = 0
, isOnCreate = c.isOnCreate;
// single record
if ($dhx.isObject(c.record)) {
$dhx.debug.info('........... checking fkeys for one record ' + c.table);
var r = that.validRecord(table_schema, c.record);
if ($dhx.isObject(r)) {
var fk_check_uid = $dhx.crypt.SHA2(JSON.stringify(r));
that._total_fkeys_to_check[fk_check_uid] = Object.keys(table_schema.foreign_keys).length;
that._total_fkeys_checked[fk_check_uid] = 0;
for (var key in table_schema.foreign_keys) {
if (table_schema.foreign_keys.hasOwnProperty(key)) {
that._checkFkey({
db: c.db
, table: table_schema.foreign_keys[key].table
, column: table_schema.foreign_keys[key].column
, value: r[table_schema.foreign_keys[key].column]
, onSuccess: function (found, tx, event) {
that._total_fkeys_checked[fk_check_uid] = that._total_fkeys_checked[fk_check_uid] + 1;
if (that._total_fkeys_checked[fk_check_uid] == that._total_fkeys_to_check[fk_check_uid]) {
that._prepareRecordForSaving(c, onSuccess, onFail);
}
}
, onFail: function (tx, event, error_message) {
$dhx.debug.error('sorry Eduardo, value ' + r[table_schema.foreign_keys[key].column] + ' not found at the "' + table_schema.foreign_keys[
key].table + '" foreign table! Error message: ', error_message);
if (c.onFail) c.onFail(tx, event, error_message);
}
});
}
}
}
else {
var cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
cloneEvent.target.error.name = 'Type constraint';
cloneEvent.target.error.message = r;
if (c.onFail) c.onFail(null, cloneEvent, r);
$dhx.debug.error('sorry Eduardo, invalid record, I cant check it fkeys! Error message: ' + r);
return;
}
}
// multiple record
else if ($dhx.isArray(c.record)) {
$dhx.debug.info('........... checking fkeys for ' + c.record.length + ' records inserting in ' + c.table);
if (c.record.length > 0) {
var uid_total_record_to_check = $dhx.crypt.SHA2(JSON.stringify(c.record));
that._total_records_to_check[uid_total_record_to_check] = c.record.length;
that._total_records_checked[uid_total_record_to_check] = 0;
for (var i = 0; i < c.record.length; i++) {
var record = c.record[i];
var r = that.validRecord(table_schema, record);
//$dhx.debug.log('inserindo record: ', r);
if ($dhx.isObject(r)) {
var fk_check_uid = $dhx.crypt.SHA2(JSON.stringify(r));
that._total_fkeys_to_check[fk_check_uid] = Object.keys(table_schema.foreign_keys).length;
that._total_fkeys_checked[fk_check_uid] = 0;
for (var key in table_schema.foreign_keys) {
if (table_schema.foreign_keys.hasOwnProperty(key)) {
//$dhx.debug.log('coluna fk pra checar' + table_schema.foreign_keys[key].column);
that._checkFkey({
db: c.db
, table: table_schema.foreign_keys[key].table
, column: table_schema.foreign_keys[key].column
, value: r[table_schema.foreign_keys[key].column]
, onSuccess: function (found, tx, event) {
that._total_records_checked[uid_total_record_to_check] =
that._total_records_checked[uid_total_record_to_check] + 1;
that._total_fkeys_checked[fk_check_uid] =
that._total_fkeys_checked[fk_check_uid] + 1;
if (
that._total_fkeys_to_check[fk_check_uid] ==
that._total_records_checked[uid_total_record_to_check]
) {
if (
that._total_fkeys_checked[fk_check_uid] ==
that._total_fkeys_to_check[fk_check_uid]
) {
that._prepareRecordForSaving(c, onSuccess, onFail);
}
}
}
, onFail: function (tx, event, error_message) {
$dhx.debug.error('sorry Eduardo, value ' + r[table_schema.foreign_keys[key].column] + ' not found at the "' + table_schema.foreign_keys[
key].table + '" foreign table! Error message: ', r);
if (c.onFail) c.onFail(tx, event, error_message);
}
});
}
}
}
else {
$dhx.debug.info('record ignored: ', JSON.stringify(record));
$dhx.debug.error('sorry Eduardo, invalid record, I cant check it fkeys! Error message: ' + r);
continue;
}
}
}
else {
$dhx.debug.log('any record was passed to insert');
}
}
else {
$dhx.debug.error('sorry Eduardo, I cant parse the record payload');
return;
}
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant add record! Error message: ' + e.message);
//$dhx.debug.info(e);
if (c.onFail) c.onFail(null, null, e.message);
}
}
, add: function (c, onSuccess, onFail) {
//'use strict';
try {
var that = $dhx.dataDriver
, db_name = c.db
, table_schema = that.dbs[db_name].schema[c.table];
$dhx.dataDriver.public[c.table].onBeforeAdd();
var timer_label = "identify insert method " + $dhx.crypt.SHA2(JSON.stringify(c));
$dhx.debug.time(timer_label);
if (typeof table_schema.foreign_keys !== 'undefined') {
if ($dhx.isObject(table_schema.foreign_keys)) {
if (Object.keys(table_schema.foreign_keys).length > 0) {
$dhx.debug.timeEnd(timer_label);
that._addCheckFkeys(c, onSuccess, onFail);
return;
}
}
}
$dhx.debug.timeEnd(timer_label);
that._prepareRecordForSaving(c, onSuccess, onFail);
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant add record! Error message: ' + e.message);
//$dhx.debug.info(e);
if (c.onFail) c.onFail(null, null, e.message);
}
}
// ======== END add() methods
// ======== Start update() methods
, update: function (c) {
'use strict';
try {
var that = $dhx.dataDriver
, db_name = c.db
, table_schema = that.dbs[db_name].schema[c.table];
$dhx.dataDriver.public[c.table].onBeforeUpdate();
var timer_label = "identify update method " + $dhx.crypt.SHA2(JSON.stringify(c));
$dhx.debug.time(timer_label);
if (typeof table_schema.foreign_keys !== 'undefined') {
if ($dhx.isObject(table_schema.foreign_keys)) {
if (Object.keys(table_schema.foreign_keys).length > 0) {
var need_check = false;
for (var fk in table_schema.foreign_keys) {
if (table_schema.foreign_keys.hasOwnProperty(fk)) {
if (c.record.hasOwnProperty(fk)) {
need_check = true;
}
}
}
$dhx.debug.timeEnd(timer_label);
if (need_check) {
that._updateCheckFkeys(c);
}
else {
that._prepareRecordForUpdating(c);
}
return;
}
}
}
$dhx.debug.timeEnd(timer_label);
that._prepareRecordForUpdating(c);
}
catch (e) {
$dhx.debug.error('sorry Eduardo, I cant add record! Error message: ' + e.message);
if (c.onFail) c.onFail(null, null, e.message);
}
}
, _updateOnIndexedDB: function (c) {
var that = $dhx.dataDriver
, timer_label = "record update on IndexedDB. task: " + $dhx.crypt.SHA2(JSON.stringify(c))
, db_name = c.db;
$dhx.debug.time(timer_label)
, rows_affected = 0;
$dhx.debug.time(timer_label);
var tx = that.db(db_name).transaction(c.table, "readwrite")
, table = tx.objectStore(c.table)
, updateRequest = table.put(c.record);
updateRequest.addEventListener('success', function (event) {
rows_affected = event.target.result;
var topic = that.dbs[db_name].root_topic + "." + c.table;
$dhx.MQ.publish(topic, {
action: 'update'
, target: 'table'
, name: c.table
, status: 'success'
, message: 'record updated'
, record_id: c.record_id
, record: c.record
, old_record: c.old_record
, localOnly: c.dontSaveOnServer
});
$dhx.debug.timeEnd(timer_label);
$dhx.debug.info('executed');
$dhx.debug.log('transaction complete ', event);
$dhx.debug.info('rows affected: ' + typeof rows_affected !== 'undefined' ? 1 : 0);
if (c.onSuccess) c.onSuccess(updateRequest, event, rows_affected);
});
updateRequest.addEventListener('error', function (event) {
dhtmlx.message({
type: "error"
, text: 'record rejected on client due: ' + event.srcElement.error.message
});
$dhx.debug.info('error name: ', event.srcElement.error.name);
$dhx.debug.info(' sorry Eduardo, couldnt update record. error message: ' + event.srcElement.error.message);
$dhx.debug.info('rows affected: 0');
$dhx.debug.timeEnd(timer_label);
if (c.onFail) c.onFail(updateRequest, event, rows_affected);
});
}
, _updateOnServer: function (c) {
var that = $dhx.dataDriver
, timer_label = "server request to update record. task: " + $dhx.crypt.SHA2(JSON.stringify(c))
, db_name = c.db;
$dhx.debug.time(timer_label)
, rows_affected = 0
, cloneEvent = {};
cloneEvent.target = cloneEvent.target || {};
cloneEvent.target.error = cloneEvent.target.error || {};
$dhx.REST.API.update({
resource: "/" + c.table + "/" + parseInt(c.record_id)
, format: "json"
, payload: "hash=" + JSON.stringify(c.record)
, onSuccess: function (request) {
try {
var json = JSON.parse(request.response);
if (json.status == "success") {
dhtmlx.message({
text: 'saved on server'
});
$dhx.debug.timeEnd(timer_label);
that._updateOnIndexedDB(c);
}
else {
$dhx.debug.timeEnd(timer_label);
that._dispacthServerRejected(c, json);
}
}
catch (e) {
$dhx.debug.timeEnd(timer_label);
that._dispacthProgrammingError(c, e);
}
}
, onFail: function (request) {
$dhx.debug.timeEnd(timer_label);
that._dispacthServerError(c, request);
}
});
}
, _prepareRecordForUpdating: function (c) {
//'use strict';
//$dhx.debug.log( 'INSIDE UPDATE', c )
try {
var that = $dhx.dataDriver
, db_name = c.db
, record_id = parseInt(c.record_id)
, updateRequest = null
, rows_affected = 0
, record = {}
, table_schema = that.dbs[db_name].schema[c.table]
, schema = that.getTableSchema(c)
, primary_key = schema.primary_key.keyPath;
var timer_label = "prepare record update. task: " + $dhx.crypt.SHA2(JSON.stringify(c));
$dhx.debug.time(timer_label);
var tx = that.db(db_name).transaction(c.table, "readonly")
, table = tx.objectStore(c.table)
, recordIdRequest = table.get(record_id);
c.onSuccess = c.onSuccess || false;
c.onFail = c.onFail || false;
tx.addEventListener('complete', function (event) {
//$dhx.debug.timeEnd( timer_label );
$dhx.debug.info('tx _prepareRecordForUpdating is completed');
});
tx.addEventListener('onerror', function (event) {
//$dhx.debug.timeEnd( timer_label );