public void RemoveLocation(ContactBookLogic contactbooklogic, long countLocation, SQLConnection sql, int value)
{
var CommandText = $"SELECT COUNT(l.LocationID) FROM locations l, contacts c WHERE {value} = c.LocationID AND {value} = l.LocationID;"; // check ob locationID von der zu löschenden location in contacts vorhanden ist - wenn ja -> nicht löschen
long count = sql.ExecuteScalar(CommandText);
CommandText = $"SELECT * FROM locations WHERE LocationID = {value}";
long c = sql.ExecuteScalar(CommandText);
if (count == 0 && c > 0)
{
CommandText = $"DELETE FROM locations WHERE LocationID = {value};";
sql.ExecuteNonQuery(CommandText);
//TODOL: location successfully deleted message
}
//TODOL: all messages for : alternatives else 1. no location with index value found 2. you can not delete location that is associated to a contact 3. invalid input
}
public void EditLocation(int inputindex, string c, SQLConnection sql, string newValue)
{
var CommandText = "";
var beforeEditValue = "";
bool newValueIsCorrectInput = false;
Location location = sql.OutputSingleLocation(inputindex);
CommandText = $"SELECT COUNT(*) FROM contacts c INNER JOIN locations l WHERE l.LocationID = c.LocationID AND l.Address = '{location.Address}' AND l.CityName = '{location.CityName}';";
long locHasConCount = sql.ExecuteScalar(CommandText);
if (locHasConCount == 0)
{
if (c == "1")
{
CommandText = $"SELECT Address FROM locations WHERE LocationID = {inputindex};";
beforeEditValue = sql.GetBeforeEditValueString(inputindex, CommandText);
newValueIsCorrectInput = InputChecker.NoEmptyInputCheck(newValue);
CommandText = $"UPDATE locations SET Address = '{newValue}' WHERE LocationID = {inputindex};";
}
else if (c == "2")
{
CommandText = $"SELECT CityName FROM locations WHERE LocationID = {inputindex};";
beforeEditValue = sql.GetBeforeEditValueString(inputindex, CommandText);
newValueIsCorrectInput = InputChecker.NoEmptyInputCheck(newValue);
CommandText = $"UPDATE locations SET CityName = '{newValue}' WHERE LocationID = {inputindex};";
}
sql.ExecuteNonQuery(CommandText);
//TODOL: message Contactname successfully changed from {beforeEditValue} to {newValue}!
CommandText = $"SELECT COUNT(*) FROM locations l WHERE l.Address = '{location.Address}' AND l.CityName = '{location.CityName}';";
long dupecount = sql.ExecuteScalar(CommandText);
if (dupecount >= 2)
{
CommandText = $"DELETE FROM locations WHERE LocationID = '{inputindex}';";
sql.ExecuteNonQuery(CommandText);
//TODOL: message Location with index: {inputindex} was a duplicate after editing and got removed.
}
}
//TODOL: message WARNING: You can't edit a location that is linked to an existing contact
}
public void EditLocation(int inputindex, string c, SQLConnection sql, string newValue)
{
var CommandText = "";
Location location = sql.OutputSingleLocation(inputindex);
CommandText = $"SELECT COUNT(*) FROM contacts c INNER JOIN locations l WHERE l.LocationID = c.LocationID AND l.Address = '{location.Address}' AND l.CityName = '{location.CityName}';";
long locHasConCount = sql.ExecuteScalar(CommandText);
if (locHasConCount == 0) //TODOH: warum kann man keine location ändern die einem contact zugewiesen ist
{
if (c == "1")
{
CommandText = $"UPDATE locations SET Address = '{newValue}' WHERE LocationID = {inputindex};";
sql.ExecuteNonQuery(CommandText);
}
else if (c == "2")
{
CommandText = $"UPDATE locations SET CityName = '{newValue}' WHERE LocationID = {inputindex};";
sql.ExecuteNonQuery(CommandText);
}
sql.ExecuteNonQuery(CommandText);
//TODOL: message Contactname successfully changed from {beforeEditValue} to {newValue}!
CommandText = $"SELECT COUNT(*) FROM locations l WHERE l.Address = '{location.Address}' AND l.CityName = '{location.CityName}';";
long dupecount = sql.ExecuteScalar(CommandText);
if (dupecount >= 2)
{
CommandText = $"DELETE FROM locations WHERE LocationID = '{inputindex}';";
sql.ExecuteNonQuery(CommandText);
//TODOL: message Location with index: {inputindex} was a duplicate after editing and got removed.
}
}
//TODOL: message WARNING: You can't edit a location that is linked to an existing contact
}
//--------------------------------------------------EDIT------------------------------------------------------------------------
public void EditContact(int inputindex, string c, SQLConnection sql, string newValue)
{
//TODOL: message successfully changed old to new for all 3 options on correct position
bool newValueIsNumber = long.TryParse(newValue, out long newphoneno); //TODOL: this does not work if name is int
var CommandText = "";
if (c == "1")
{
CommandText = $"UPDATE contacts SET Name = '{newValue}' WHERE ContactID = {inputindex};";
sql.ExecuteNonQuery(CommandText);
}
else if (c == "2")
{
CommandText = $"UPDATE contacts SET phoneNumber = '{newphoneno}' WHERE ContactID = {inputindex};";
sql.ExecuteNonQuery(CommandText);
}
else if (c == "3")
{
CommandText = $"UPDATE contacts SET MailAddress = '{newValue}' WHERE ContactID = {inputindex};";
sql.ExecuteNonQuery(CommandText);
}
Contact contact = sql.OutputSingleContact(inputindex);
CommandText = $"SELECT COUNT(*) FROM contacts c INNER JOIN locations l ON c.LocationID = l.LocationID WHERE c.Name = '{contact.Name}' AND c.PhoneNumber = {contact.PhoneNumber} AND c.LocationID = {contact.LocationID} AND c.MailAddress = '{contact.MailAddress}' AND c.Gender = '{contact.Gender}' ";
long dupecount = sql.ExecuteScalar(CommandText);
if (dupecount >= 2)
{
CommandText = $"DELETE FROM contacts WHERE ContactID = '{inputindex}';";
sql.ExecuteNonQuery(CommandText);
//TODOL: message Contact with index: {inputindex} was a duplicate after editing and got removed.
}
//TODOL: show old and new value after edit
//GET OLD VALUE SAMPLE
//CommandText = $"SELECT Name FROM contacts WHERE ContactID = {inputindex};";
//string beforeEditValue = sql.GetBeforeEditValueString(inputindex, CommandText);
}
