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sqlitesync.js
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483 lines (421 loc) · 20 KB
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var sqlitesync_SyncServerURL = '';
//var sqlitesync_SyncList;
var sqlitesync_SyncTableList = [];
var sqlitesync_SyncTableCurrentIndex = 0;
var sqlitesync_SyncGlobalTableIndex = 0;
var sqlitesync_SyncDataToSend;
var sqlitesync_DB;
var sqlitesync_syncPdaIdent = null;
function sqlitesync_SyncTables(){
var syncLogin = null;
var syncPass = null;
$.ajax({
url: sqlitesync_SyncTableList[sqlitesync_SyncTableCurrentIndex].syncMethod, //Url of the Service
method: 'GET',
cache : false,
scope:this,
data: { 'subscriber': JSON.stringify(sqlitesync_SyncTableList[sqlitesync_SyncTableCurrentIndex].sqlitesync_syncPdaIdent), 'table': JSON.stringify(sqlitesync_SyncTableList[sqlitesync_SyncTableCurrentIndex].table) },
timeout: 5 * 60 * 1000,//10min
success: function (response, status) { //Success Callback
if(response.documentElement.textContent.trim().length != 0)
{
var responseReturn = JSON.parse(response.documentElement.textContent);
var tableNameSync = '';
var syncId = null;
sqlitesync_DB.transaction(function (tx) {
var queryInsert = null;
var queryUpdate = null;
var queryDelete = null;
if (responseReturn[0].SyncId > 0) {
tableNameSync = responseReturn[0].TableName;
sqlitesync_AddLog('<p>Preparing changes for table <b>' + responseReturn[0].TableName + '</b></p>');
syncId = responseReturn[0].SyncId;
if (window.DOMParser) {
parser = new DOMParser();
xmlDoc = parser.parseFromString(responseReturn[0].Records, "text/xml");
}
else // Internet Explorer
{
xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async = "false";
xmlDoc.loadXML(responseReturn[0].Records);
}
queryInsert = responseReturn[0].QueryInsert;
queryUpdate = responseReturn[0].QueryUpdate;
queryDelete = responseReturn[0].QueryDelete;
/*****usuwanie tymczasowe triggerów********************/
tx.executeSql(responseReturn[0].TriggerInsertDrop, null, null,
function (transaction, error) {
});
tx.executeSql(responseReturn[0].TriggerUpdateDrop, null, null,
function (transaction, error) {
});
tx.executeSql(responseReturn[0].TriggerDeleteDrop, null, null,
function (transaction, error) {
});
/********koniec usuwania triggerów ********************/
for (var i = 0; i < xmlDoc.childNodes[0].childElementCount; i++) {
var rowValues = new Array();
var query = null;
var colCount = 0;
for (var ii = 0; ii < xmlDoc.childNodes[0].childNodes[i].childElementCount; ii++) {
rowValues[ii] = xmlDoc.childNodes[0].childNodes[i].childNodes[ii].textContent;
colCount++;
}
var rowId = rowValues[colCount - 1];
var identityCol = rowValues[0];
switch (xmlDoc.childNodes[0].childNodes[i].getAttribute("a")) {
case "1":
tx.executeSql(queryInsert,
rowValues,
function (transaction, result) {
},
function (transaction, error) {
console.log(error);
});
case "2":
tx.executeSql(queryUpdate,
rowValues,
function (transaction, result) {
},
function (transaction, error) {
console.log(error);
});
break;
case "3":
tx.executeSql(queryDelete + "'" + rowId + "'",
null,
null,
function (transaction, error) {
console.log(error);
});
break;
}
}
/*****tworzenie triggerów********************/
tx.executeSql(responseReturn[0].TriggerInsert, null, null,
function (transaction, error) {
});
tx.executeSql(responseReturn[0].TriggerUpdate, null, null,
function (transaction, error) {
});
tx.executeSql(responseReturn[0].TriggerDelete, null, null,
function (transaction, error) {
});
/********koniec usuwania triggerów ********************/
}
}, function(error){//error
sqlitesync_AddLog('<p>Error while syncing with the server ' + error + '</p>');
sqlitesync_SyncTableCurrentIndex++
if(sqlitesync_SyncTableCurrentIndex < sqlitesync_SyncTableList.length)
sqlitesync_SyncTables();
else
sqlitesync_SyncEnd();
}, function(){//success
if(syncId > 0){
$.ajax({
url: sqlitesync_SyncServerURL + "Sync.asmx/SyncCompleted",
method: 'GET',
scope:this,
cache : false,
data: { 'syncId': JSON.stringify(syncId) },
timeout: 5 * 60 * 1000,//10min
success: function(){
sqlitesync_AddLog('<p style=\"font-weight:bold; color:blue;\">Received the table '+tableNameSync+'.</p>');
sqlitesync_SyncTableCurrentIndex++;
if(sqlitesync_SyncTableCurrentIndex < sqlitesync_SyncTableList.length)
sqlitesync_SyncTables();
else
sqlitesync_SyncEnd();
},
failure: function (result, request) {
var statusCode = result.status;
var responseText = result.responseText;
sqlitesync_AddLog('<p>Error while syncing with the server ' + error + '</p>');
sqlitesync_SyncTableCurrentIndex++
if(sqlitesync_SyncTableCurrentIndex < sqlitesync_SyncTableList.length)
sqlitesync_SyncTables();
else
sqlitesync_SyncEnd();
}
});
} else{
sqlitesync_SyncTableCurrentIndex++;
if(sqlitesync_SyncTableCurrentIndex < sqlitesync_SyncTableList.length)
sqlitesync_SyncTables();
else
sqlitesync_SyncEnd();
}
});
} else {
sqlitesync_SyncTableCurrentIndex++
if(sqlitesync_SyncTableCurrentIndex < sqlitesync_SyncTableList.length)
sqlitesync_SyncTables();
else
sqlitesync_SyncEnd();
}
},
failure: function (result, request) {
var statusCode = result.status;
var responseText = result.responseText;
sqlitesync_AddLog('<p>Error while syncing with the server ' + responseText + '</p>');
}
});
}
function sqlitesync_SyncSendAndReceive(syncServer, syncPdaIdent) {
sqlitesync_SyncServerURL = syncServer;
sqlitesync_syncPdaIdent = syncPdaIdent;
sqlitesync_SyncTableList = [];
sqlitesync_SyncTableCurrentIndex = 0;
sqlitesync_AddLog('Starting synchronization. Trying connect to the server...');
sqlitesync_DB.transaction(function (transaction,results) {
var syncMethod = sqlitesync_SyncServerURL + "Sync.asmx/GetDataForSync";
transaction.executeSql("select tbl_Name, ? as syncMethod, ? as sqlitesync_syncPdaIdent from sqlite_master where type='table'", [syncMethod, sqlitesync_syncPdaIdent],
function(transaction, result){
for (var tableIndex = 0; tableIndex < result.rows.length; tableIndex++) {
if(result.rows.item(tableIndex)['tbl_name'] != "__WebKitDatabaseInfoTable__" && result.rows.item(tableIndex)['tbl_name'] != "MergeDelete")
{
sqlitesync_SyncTableList.push({
table: result.rows.item(tableIndex)['tbl_name'],
syncMethod: result.rows.item(tableIndex)['syncMethod'],
sqlitesync_syncPdaIdent: result.rows.item(tableIndex)['sqlitesync_syncPdaIdent']
});
}
}
},function(error){//error
sqlitesync_AddLog('<p>Error while syncing with the server ' + error + '</p>');
}, function(){
});
},function(error){//error
sqlitesync_AddLog('<p>Error while syncing with the server ' + error + '</p>');
}, function(){
sqlitesync_SyncSendData();
//sqlitesync_SyncTables();
});
}
function sqlitesync_SyncSendData() {
sqlitesync_AddLog('<b>Starting sending data</b>');
sqlitesync_SyncGlobalTableIndex = 0;
sqlitesync_SyncDataToSend = "<?xml version=\"1.0\" encoding=\"utf-8\"?><SyncData xmlns=\"urn:sync-schema\">";
sqlitesync_SyncSendTable(sqlitesync_SyncGlobalTableIndex);
}
function sqlitesync_SyncSendTable(tableIndex) {
var selectAllStatement = "select * from sqlite_master where type='table' and sql like '%RowId%'";
sqlitesync_DB.transaction(function (tx) {
tx.executeSql(selectAllStatement, [], function (tx, result) {
var datasetTables = result.rows;
var item = datasetTables.item(tableIndex);
if (item['tbl_name'] != "MergeDelete" && item['tbl_name'] != "MergeIdentity") {
sqlitesync_SyncDataToSend += "<tab n=\"" + item['tbl_name'] + "\">";
var columnParts = datasetTables.item(tableIndex).sql.replace(/^[^\(]+\(([^\)]+)\)/g, '$1').split(',');
var columnNames = [];
for (var col in columnParts) {
if (typeof columnParts[col] === 'string')
columnNames.push(columnParts[col].split(" ")[0]);
}
/*** nowe rekordy***/
var selectForTable = "select * from " + item['tbl_name'] + " where RowId is null";
var tableName = item['tbl_name'];
tx.executeSql(selectForTable, [], function (tx, result) {
var datasetTable = result.rows;
if (datasetTable.length > 0){
//console.log('Wysyłam nowe rekordy dla tabeli: ' + item['tbl_name'] + '');
sqlitesync_AddLog('Sending a new records for the table: ' + item['tbl_name'] + '');
}
sqlitesync_SyncDataToSend += "<ins>";
for (var i = 0, row = null; i < datasetTable.length; i++) {
row = datasetTable.item(i);
sqlitesync_SyncDataToSend += "<r>";
for (var j = 0; j < columnNames.length; j++) {
if (columnNames[j].replace(/"/gi, '') != 'MergeUpdate') {
sqlitesync_SyncDataToSend += "<" + columnNames[j].replace(/"/gi, '') + ">";
sqlitesync_SyncDataToSend += "<![CDATA[" + row[columnNames[j].replace(/"/gi, '')] + "]]>";
sqlitesync_SyncDataToSend += "</" + columnNames[j].replace(/"/gi, '') + ">";
}
}
sqlitesync_SyncDataToSend += "</r>";
}
sqlitesync_SyncDataToSend += "</ins>";
/*** zakutalizowane rekordy***/
var selectForUpdateTable = "select * from " + item['tbl_name'] + " where MergeUpdate > 0 and RowId is not null";
tx.executeSql(selectForUpdateTable, [], function (tx, result) {
datasetTable = result.rows;
if (datasetTable.length > 0){
//console.log('Wysyłam zaktualizowane rekordy dla tabeli: ' + item['tbl_name']);
sqlitesync_AddLog('Sending updated records for the table: ' + item['tbl_name'] + '');
}
sqlitesync_SyncDataToSend += "<upd>";
for (var i = 0, row = null; i < datasetTable.length; i++) {
row = datasetTable.item(i);
sqlitesync_SyncDataToSend += "<r>";
for (var j = 0; j < columnNames.length; j++) {
if (columnNames[j].replace(/"/gi, '') != 'MergeUpdate') {
sqlitesync_SyncDataToSend += "<" + columnNames[j].replace(/"/gi, '') + ">";
sqlitesync_SyncDataToSend += "<![CDATA[" + row[columnNames[j].replace(/"/gi, '')] + "]]>";
sqlitesync_SyncDataToSend += "</" + columnNames[j].replace(/"/gi, '') + ">";
}
}
sqlitesync_SyncDataToSend += "</r>";
}
sqlitesync_SyncDataToSend += "</upd>";
//następna tabela
sqlitesync_SyncDataToSend += "</tab>";
sqlitesync_SyncGlobalTableIndex++;
if (sqlitesync_SyncGlobalTableIndex < datasetTables.length)
sqlitesync_SyncSendTable(sqlitesync_SyncGlobalTableIndex);
else
sqlitesync_SyncSendTableDelete(tx);
});
/***/
});
/***/
}
else {
sqlitesync_SyncGlobalTableIndex++;
if (sqlitesync_SyncGlobalTableIndex < datasetTables.length)
sqlitesync_SyncSendTable(sqlitesync_SyncGlobalTableIndex);
else
sqlitesync_SyncSendTableDelete(tx);
}
});
});
}
function sqlitesync_SyncClearUpdateMarker() {
var selectAllStatement = "select * from sqlite_master where type='table' and sql like '%RowId%'";
sqlitesync_DB.transaction(function (tx) {
tx.executeSql(selectAllStatement, [], function (tx, result) {
var datasetTables = result.rows;
for(var tableIndex=0; tableIndex<datasetTables.length; tableIndex++){
var item = datasetTables.item(tableIndex);
if (item['tbl_name'] != "MergeDelete" && item['tbl_name'] != "MergeIdentity") {
/*** zakutalizowane rekordy***/
var selectForUpdateTable = "select *, ? as syncTableName from " + item['tbl_name'] + " where MergeUpdate > 0";
tx.executeSql(selectForUpdateTable, [item['tbl_name']], function (tx, result) {
if(result.rows.length > 0){
var syncTableName = result.rows.item(0)['syncTableName'];
var selectTriggerStatement = "select * from sqlite_master where type='trigger' and name = 'trMergeUpdate_"+syncTableName+"'";
tx.executeSql(selectTriggerStatement, [], function (tx, result) {
if(result.rows.length > 0){
var syncTableName = result.rows.item(0)['tbl_name'];
var trigger = result.rows.item(0)['sql'];
tx.executeSql("drop trigger trMergeUpdate_"+syncTableName+";", [],function (transaction, result) {
},
function (transaction, error) {
//console.log("Błąd podczas sqlitesync_SyncClearUpdateMarker drop trigger:" + error.message + "; Kod: " + error.code + "</br>");
});
tx.executeSql("update " + syncTableName + " set MergeUpdate=0 where MergeUpdate > 0;", [],function (transaction, result) {
},
function (transaction, error) {
//console.log("Błąd podczas sqlitesync_SyncClearUpdateMarker update marker:" + error.message + "; Kod: " + error.code + "</br>");
});
tx.executeSql(trigger, [],function (transaction, result) {
},
function (transaction, error) {
//console.log("Błąd podczas sqlitesync_SyncClearUpdateMarker create trigger:" + error.message + "; Kod: " + error.code + "</br>");
});
//console.log('clearUpadteMarker ' + syncTableName );
}
});
}
});
/***/
}
}
});
});
}
function sqlitesync_SyncClearDeletedRecords() {
var selectAllStatement = "delete from MergeDelete";
sqlitesync_DB.transaction(function (tx) {
tx.executeSql(selectAllStatement, [], function (tx, result) {
});
});
}
function sqlitesync_SyncSendTableDelete(tx) {
/*** rekordy do skasowania ***/
var selectForDelete = "select * from MergeDelete";
tx.executeSql(selectForDelete, [], function (tx, result) {
datasetTable = result.rows;
sqlitesync_SyncDataToSend += "<delete>";
if (datasetTable.length > 0) {
//console.log('Wysyłam rekordy do usunięcia:');
sqlitesync_AddLog('Sending records for deleting');
}
for (var i = 0, row = null; i < datasetTable.length; i++) {
row = datasetTable.item(i);
sqlitesync_SyncDataToSend += "<r>";
sqlitesync_SyncDataToSend += "<tb>" + row['TableId'] + "</tb>";
sqlitesync_SyncDataToSend += "<id>" + row['RowId'] + "</id>";
sqlitesync_SyncDataToSend += "</r>";
}
sqlitesync_SyncDataToSend += "</delete>";
sqlitesync_SyncSendToServer();
});
}
function sqlitesync_SyncSendToServer() {
sqlitesync_SyncDataToSend += "</SyncData>";
$.ajax({
url: sqlitesync_SyncServerURL + "Sync.asmx/ReceiveData",
method: 'POST',
cache : false,
scope:this,
data: JSON.stringify({ "subscriber":sqlitesync_syncPdaIdent, "data": sqlitesync_SyncDataToSend }),
dataType: 'json',
contentType: "application/json; charset=utf-8",
timeout: 5 * 60 * 1000,//10min
success: function (response, status) { //Success Callback
//console.log('koniec');
sqlitesync_SyncClearUpdateMarker();
sqlitesync_SyncClearDeletedRecords();
//console.log("Wysłano dane na serwer...</br>");
sqlitesync_AddLog('Sending finished');
sqlitesync_SyncTables();
},
failure: function (result, request) {
var statusCode = result.status;
var responseText = result.responseText;
sqlitesync_AddLog('<p>Error while syncing with the server ' + responseText + '</p>');
}
});
}
function sqlitesync_SyncGetDBSchemaChanges() {
sqlitesync_SyncSendData();
}
function sqlitesync_ReinitializeDB(syncServer, syncPdaIdent) {
sqlitesync_SyncServerURL = syncServer;
sqlitesync_syncPdaIdent = syncPdaIdent;
sqlitesync_AddLog('<p>Starting synchronization</p>');
sqlitesync_AddLog('<p>Connecting to server...</p>');
$.ajax({
url: sqlitesync_SyncServerURL + "Sync.asmx/GetFullDBSchema",
method: 'GET',
scope: this,
cache: false,
data: { 'subscriber': JSON.stringify(sqlitesync_syncPdaIdent) },
timeout: 10 * 60 * 1000, //4min
success: function (response, status) { //Success Callback
var responseReturn = JSON.parse(response.documentElement.textContent);
sqlitesync_AddLog('<p>Connected to server...</p>');
sqlitesync_DB.transaction(function (tx) {
jQuery.each(responseReturn, function(obj, val) {
tx.executeSql(val,
null,
null,
function (transaction, error) {
console.log('Object ' +obj + '; ' + error.message + ' (Code ' + error.code + ')');
});
sqlitesync_AddLog('Creating object <b>' + obj + '</b>...');
});
}, function (error) {//error
sqlitesync_AddLog('<p>Error while syncing with the server ' + error + '</p>');
}, function () {
sqlitesync_AddLog('<p style=\"font-weight:bold; color:green;\">Synchronization completed</p>');
});
},
failure: function (result, request) {
var statusCode = result.status;
var responseText = result.responseText;
sqlitesync_AddLog('<p>Error while syncing with the server ' + responseText + '</p>');
}
});
}