/// <summary>
/// Get
/// </summary>
/// <returns></returns>
public Response Get(Objects.CustomerGroup group)
{
//Props
int statusCode = 200;
Response response = new Response();
try
{
Database.Connection.Open();
string Query = "SELECT * FROM CustomerGroups WHERE GroupId=@GroupId";
//Execute Query
MySqlCommand Command = new MySqlCommand(Query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
MySqlDataReader DataReader = Command.ExecuteReader();
//Read Data
while (DataReader.Read())
{
group.Id = DataReader["GroupId"].ToString();
group.Name = DataReader["Name"].ToString();
group.UpdatedAt = Convert.ToDateTime(DataReader["UpdatedAt"].ToString());
group.CreatedAt = Convert.ToDateTime(DataReader["CreatedAt"].ToString());
}
if (!DataReader.HasRows)
{
// Bad Request
statusCode = 400;
}
else
{
// OK
statusCode = 200;
}
Database.Connection.Close();
//Response
response.StatusCode = statusCode;
response.Data = group;
}
catch (MySqlException e)
{
Logger.QueryError(e, "CustomerGroup", "Get");
// Internal Error :
response.StatusCode = 500;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(response);
}
/// <summary>
/// Create a new Group
/// </summary>
/// <returns></returns>
public Response Create(Objects.CustomerGroup group)
{
//Props
int statusCode = 201;
Response response = new Response();
//Random Tokens
group.Id = ServerUtil.GenerateToken(TokenLengths.TokensLength);
try
{
Database.Connection.Open();
string query = "INSERT INTO CustomerGroups (GroupId, Name ) VALUES (@GroupId, @Name) ";
MySqlCommand Command = new MySqlCommand(query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
Command.Parameters.AddWithValue("Name", group.Name);
Command.ExecuteNonQuery();
Database.Connection.Close();
// Status Code
statusCode = 201;
}
catch (MySqlException e)
{
if (e.Message.Contains("Duplicate entry"))
{
//Duplicate Key or Conflict
statusCode = 409;
}
else
{
// Internal Server Error
statusCode = 500;
}
Logger.QueryError(e, "CustomerGroup", "Create");
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
//Response
response.StatusCode = statusCode;
response.Data = group;
return(response);
}
/// <summary>
/// Update
public Response Update(Objects.CustomerGroup group)
{
//Props
int statusCode = 200;
Response response = new Response();
try
{
Database.Connection.Open();
string query = "UPDATE CustomerGroups SET Name=@Name WHERE GroupId=@GroupId ";
MySqlCommand Command = new MySqlCommand(query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
Command.Parameters.AddWithValue("Name", group.Name);
Command.ExecuteNonQuery();
Database.Connection.Close();
// Updated Successfully
statusCode = 204;
//Response
response.StatusCode = statusCode;
}
catch (MySqlException e)
{
if (e.Message.Contains("Duplicate entry"))
{
//Duplicate Key or Conflict
statusCode = 409;
}
else
{
// Internal Server Error
statusCode = 500;
}
Logger.QueryError(e, "CustomerGroup", "Update");
// Status Code
response.StatusCode = statusCode;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(response);
}
/// <summary>
/// Get Customers Count '''' ### Joined to GetGroups
/// </summary>
/// <returns></returns>
public Response GetCustomerCount(Objects.CustomerGroup group)
{
//Props
int statusCode = 200;
int customerCount = 0;
Response response = new Response();
try
{
Database.Connection.Open();
var query = " SELECT COUNT(*) As CustomerCount FROM Customers WHERE GroupId=@GroupId ";
//Execute Query
MySqlCommand Command = new MySqlCommand(query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
MySqlDataReader DataReader = Command.ExecuteReader();
//Read Data
while (DataReader.Read())
{
customerCount = Convert.ToInt32(DataReader["CustomerCount"].ToString());
}
Database.Connection.Close();
//Response
response.StatusCode = statusCode;
response.IntegerData = customerCount;
}
catch (MySqlException e)
{
Logger.QueryError(e, "CustomerGroup", "GetCustomerCount");
// Internal Error :
response.StatusCode = 500;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(response);
}
/// <summary>
/// Delete
/// </summary>
public Response Delete(Objects.CustomerGroup group)
{
//Props
int statusCode = 204;
Response response = new Response();
try
{
Database.Connection.Open();
string Query = "DELETE FROM CustomerGroups WHERE GroupId=@GroupId ";
//Execute Query With Connection => DataReader
MySqlCommand Command = new MySqlCommand(Query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
//Execute Command
Command.ExecuteNonQuery();
//Close Connection
Database.Connection.Close();
//[HTTP Status Code] OK : Successfully Deleted : Returning No Content
statusCode = 204;
response.StatusCode = statusCode;
}
catch (MySqlException e)
{
Logger.QueryError(e, "CustomerGroup", "Delete ");
// Internal Error :
response.StatusCode = 500;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(response);
}
/// <summary>
/// Checks if Id is valid
/// </summary>
/// <returns></returns>
public bool IsValid(Objects.CustomerGroup group)
{
bool isValid;
try
{
//Open Connection
Database.Connection.Open();
string query = "SELECT GroupId FROM CustomerGroups WHERE GroupId=@GroupId";
MySqlCommand Command = new MySqlCommand(query, Database.Connection);
Command.Parameters.AddWithValue("GroupId", group.Id);
MySqlDataReader DataReader = Command.ExecuteReader();
if (!DataReader.HasRows)
{
isValid = false;
}
else
{
isValid = true;
}
//Close Connection
Database.Connection.Close();
}
catch (MySqlException e)
{
Logger.QueryError(e, "CustomerGroup", "Verifying Id");
isValid = false;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(isValid);
}
/// <summary>
/// Get Groups
/// </summary>
/// <returns></returns>
public Response GetGroups()
{
//Props
int statusCode = 200;
Response response = new Response();
List <object> groups = new List <object>();
try
{
Database.Connection.Open();
string query = " SELECT DISTINCT CustomerGroups.*, " +
" (SELECT COUNT(*) FROM Customers WHERE Customers.GroupId = CustomerGroups.GroupId ) " +
" AS CustomersCount " +
" FROM CustomerGroups LEFT OUTER JOIN Customers " +
" ON ( (SELECT COUNT(*) FROM Customers) != 0)" +
" ORDER BY CustomersCount DESC ";
//Execute Query
MySqlCommand Command = new MySqlCommand(query, Database.Connection);
MySqlDataReader DataReader = Command.ExecuteReader();
//Read Data
while (DataReader.Read())
{
Objects.CustomerGroup group = new Objects.CustomerGroup
{
Id = DataReader["GroupId"].ToString(),
Name = DataReader["Name"].ToString(),
CustomersCount = Convert.ToDouble(DataReader["CustomersCount"].ToString()),
UpdatedAt = Convert.ToDateTime(DataReader["UpdatedAt"].ToString()),
CreatedAt = Convert.ToDateTime(DataReader["CreatedAt"].ToString()),
};
groups.Add(group);
}
if (!DataReader.HasRows)
{
// Nothing
statusCode = 204;
}
else
{
// OK
statusCode = 200;
}
Database.Connection.Close();
//Response
response.StatusCode = statusCode;
response.DataArray = groups;
}
catch (MySqlException e)
{
Logger.QueryError(e, "CustomerGroup", "Getting Groups");
// Internal Error :
response.StatusCode = 500;
}
//Close Connection if Open
if (Database.Connection.State == ConnectionState.Open)
{
Database.Connection.Close();
}
return(response);
}
