//GETTING SCHEMA LIST FROM SOURCE SERVER
private void ButtonGetSchemasList_Click(object sender, EventArgs e)
{
//check filds
if (
textBoxSourceUrl.Text.Length == 0 ||
textBoxSourceUName.Text.Length == 0 ||
textBoxSourceUPassword.Text.Length == 0
)
{
MessageBox.Show("Fill all Source server fields", "error");
}
else
{
commandGen = new commandGenerate();
comboBoxDBName.Items.Clear();
comboBoxDBName.ResetText();
List <string> dbs = commandGen.getSchemasList(textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text);
if (dbs.IsEmpty())
{
outputConsole.TopIndex = outputConsole.Items.Add("Schema list get error.");
}
else
{
foreach (string dbName in dbs)
{
if (!dbName.Equals("information_schema") && !dbName.Equals("performance_schema") && !dbName.Equals("mysql") && !dbName.Equals("sys"))
{
comboBoxDBName.Items.Add(dbName);
}
}
outputConsole.TopIndex = outputConsole.Items.Add("Schema list get success.");
}
commandGen = null;
}
}
//check empty fields and connections returns true if all fields are not empty and connections are working well
public bool checkFieldsAndConnections()
{
commandGenerate cg = new commandGenerate();
if (
comboBoxDBName.Text.Trim().Length == 0 ||
textBoxSourceUrl.Text.Trim().Length == 0 ||
textBoxSourceUName.Text.Trim().Length == 0 ||
textBoxDestinationUrl.Text.Trim().Length == 0 ||
textBoxSourceUPassword.Text.Trim().Length == 0 ||
textBoxDestinationUName.Text.Trim().Length == 0 ||
textBoxDestionationUPassword.Text.Trim().Length == 0 ||
textBoPathToMysql.Text.Trim().Length == 0
)
{
MessageBox.Show("Fill all fields", "error");
return(false);
}
//check connection with source server
else if (!cg.checkConnection(textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, comboBoxDBName.Text))
{
MessageBox.Show("There is an error with connection to source database!\nPlease check connection data.", "error");
return(false);
}
//check connection with destination server
else if (!cg.checkConnection(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, comboBoxDBName.Text))
{
MessageBox.Show("There is an error with connection to destination database!\nPlease check connection data.\nMaybe you need to create schema.", "error");
return(false);
}
//start working
else
{
return(true);
}
}
//START BUTTON CLICK FUNCTION
private void ButtonNext_Click(object sender, EventArgs e)
{
commandGenerate cg = new commandGenerate();
//check filds
if (checkFieldsAndConnections())
{
databseName = comboBoxDBName.Text;
mysqlFilePath = textBoPathToMysql.Text;
commandGen = new commandGenerate(mysqlFilePath, databseName, textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text);
//make dump of source and destination servers , bool value show if was errors
outputConsole.TopIndex = outputConsole.Items.Add("Start dump from : \'" + textBoxSourceUrl.Text + "\' database: \'" + databseName + "\' user name: \'" + textBoxSourceUName.Text + "\' password: \'" + textBoxSourceUPassword.Text + "\'");
bool sourseError = commandGen.dumpMysqlProcedures(databseName, textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, sourceDumpFile);
if (sourseError)
{
outputConsole.Items.Add("Dump error.");
}
else
{
outputConsole.Items.Add("Done.");
}
outputConsole.TopIndex = outputConsole.Items.Add("Start dump: \'" + textBoxDestinationUrl.Text + "\' database: \'" + databseName + "\' user name: \'" + textBoxDestinationUName.Text + "\' password: \'" + textBoxDestionationUPassword.Text + "\'");
bool destinationError = commandGen.dumpMysqlProcedures(databseName, textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, destinationDumpFile);
if (destinationError)
{
outputConsole.Items.Add("Dump error.");
}
else
{
outputConsole.Items.Add("Done.");
}
//remove view if was no error
if (!sourseError && !destinationError)
{
outputConsole.TopIndex = outputConsole.Items.Add("Remove views from: \'" + textBoxSourceUrl.Text + "\' database: \' " + databseName + "\'");
commandGen.remAllViews(textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, databseName);
outputConsole.TopIndex = outputConsole.Items.Add("Remove views from: \'" + textBoxDestinationUrl.Text + "\' database: \' " + databseName + "\'");
commandGen.remAllViews(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName);
}
//liquibase GENERATE LOG
string[] genlog = commandGen.generateDiffChangeLog();
outputConsole.Items.Add("");
foreach (string line in genlog)
{
outputConsole.TopIndex = outputConsole.Items.Add("\n" + line);
}
//Invoke ChangeLog window
ChangeLogForm chLogForm = new ChangeLogForm(databseName, textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text);
this.Invoke(new MethodInvoker(() =>
{
chLogForm.ShowDialog();
}));
if (chLogForm.acceptChanges)
{
//liquibase UPDATE DESTINATION
string[] upLog = commandGen.updateDestinationDatabase();
foreach (string line in upLog)
{
outputConsole.TopIndex = outputConsole.Items.Add(line);
}
if (chLogForm.addFKList.Count > 0)
{
foreach (string addFKQuery in chLogForm.addFKList)
{
string res = chLogForm.runMysqlQuery(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, addFKQuery);
if (res.Contains("Exception"))
{
if (res.Contains("a foreign key constraint fails"))
{
string addInfo = "\nClick \"Yes\" if you want to delete rows that cause of error\nClick \"No\" to Do nothing";
DialogResult dialogResult = MessageBox.Show(res + addInfo, "ADD FOREIGN KEY ERROR", MessageBoxButtons.YesNo);
//IF USER CHOSE YES THEN REMOVE ALL LINES CAUSED OF ERROR AND RUN AGAIN QUERY
if (dialogResult == DialogResult.Yes)
{
int index = chLogForm.addFKList.FindIndex(i => i.Contains(addFKQuery));
string constraintFailSolutionQuery = chLogForm.constraintFailsSolution[index];
chLogForm.runMysqlQuery(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, constraintFailSolutionQuery);
chLogForm.runMysqlQuery(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, addFKQuery);
}
}
}
}
}
//restore source views and stored procedures && update destination views and stored procedures
outputConsole.TopIndex = outputConsole.Items.Add("Restoring Views and Stored procedures on source database.");
commandGen.restoreDumpMusqlProcedures(textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, databseName, sourceDumpFile);
outputConsole.TopIndex = outputConsole.Items.Add("Updating Views and Stored procedures on destination database.");
commandGen.restoreDumpMusqlProcedures(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, sourceDumpFile);
}
else
{
//restore source && destination views and stored procedures
outputConsole.TopIndex = outputConsole.Items.Add("Restoring Views and Stored procedures on source database.");
commandGen.restoreDumpMusqlProcedures(textBoxSourceUrl.Text, textBoxSourceUName.Text, textBoxSourceUPassword.Text, databseName, sourceDumpFile);
outputConsole.TopIndex = outputConsole.Items.Add("Done.");
outputConsole.TopIndex = outputConsole.Items.Add("Restoring Views and Stored procedures on destination database.");
commandGen.restoreDumpMusqlProcedures(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, destinationDumpFile);
outputConsole.TopIndex = outputConsole.Items.Add("Done.");
}
//remove changelog database tables created by liquibase
string removeChangelogQuery = "DROP TABLE IF EXISTS " + databseName + ".DATABASECHANGELOGLOCK; "
+ "DROP TABLE IF EXISTS " + databseName + ".databasechangeloglock; "
+ "DROP TABLE IF EXISTS " + databseName + ".DATABASECHANGELOG; "
+ "DROP TABLE IF EXISTS " + databseName + ".databasechangelog; ";
commandGen.runMysqlQuery(textBoxDestinationUrl.Text, textBoxDestinationUName.Text, textBoxDestionationUPassword.Text, databseName, removeChangelogQuery);
outputConsole.TopIndex = outputConsole.Items.Add("Removing liquibase change log tables.");
//end of operations message
outputConsole.TopIndex = outputConsole.Items.Add("\tAll operations finished.");
outputConsole.TopIndex = outputConsole.Items.Add("");
}
}
