public void CheickDbObjectCommand_Generic_Should_Throw_ArgumentNull_Exception()
{
// Arrange
this.fluentDbCommand = new FluentDbCommandBase();
DbObjectCommand <string> nullCommand = null;
DbObjectCommand <string> emptyCommand = new DbObjectCommand <string>();
emptyCommand.ObjectParameter = null;
emptyCommand.Operation = DbOperation.Delete;
emptyCommand.ScriptSql = string.Empty;
DbObjectCommand <string> emptyCommand_2 = new DbObjectCommand <string>();
emptyCommand_2.ObjectParameter = "fake param";
emptyCommand_2.Operation = DbOperation.ExecuteSql;
emptyCommand_2.ScriptSql = string.Empty;
// Assert
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(nullCommand));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(emptyCommand));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(emptyCommand_2));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(new List <DbObjectCommand <string> >()
{
emptyCommand
}));
}
/// <inheritdoc />
public async Task <TReturn> ExecuteAsync <TReturn, T>(DbObjectCommand <T> command, Func <TReturn> customValueProviderToExecute, Action?dispatcherPostExecution = null, bool throwException = false)
where T : class, new()
{
await this.ExecuteAsync(command, dispatcherPostExecution, throwException);
return(customValueProviderToExecute());
}
/// <inheritdoc />
public async Task <DbCommandResult> ExecuteAsync(DbObjectCommand command, Action?dispatcherPostExecution = null, bool throwException = false)
{
this.EnsureDbConnection();
this.EnsureDbConnectionIsOpened();
return(await this.SafeExecute(() => this.ExecuteDbObjectCommand(command, dispatcherPostExecution, throwException), throwException));
}
public async Task InsertDataByObjectCommand()
{
this.dbFactory = new FluentDbFactory(dbConnection);
Stopwatch stopwatch = new Stopwatch();
// Insert by using an DbObjectCommand
var newEmp = new Employee()
{
FirstName = "FirstName111",
LastName = "LastName111",
Salary = 120000
};
var insertEmpCommand = new DbObjectCommand()
{
Parameters = new List <object>()
{
newEmp
},
ScriptSql = "INSERT INTO[dbo].[Employee](FirstName, LastName, Salary) Values(@FirstName, @LastName, @Salary)"
};
Console.WriteLine("await dbEngine.CreateDbCommand().ExecuteAsync with a DbObjectCommand");
stopwatch.Start();
var result = await dbFactory.CreateDbCommand().ExecuteAsync(insertEmpCommand);
stopwatch.Stop();
Console.WriteLine($"Result : {result.IsSuccess} | Time Elapsed : {stopwatch.Elapsed}");
stopwatch.Reset();
Console.WriteLine("---------------------------------------------------------------------------");
// Insert with generic DbObjectCommand and return a custom value
Func <string> returnFunction = () => "Everything is ok";
var project = new Project()
{
AssigneeId = 1,
Description = "Project | Fluent Db Sample",
Budget = 250000,
Name = "Show FluentDb library"
};
var insertPrjCommand = new DbObjectCommand <Project>()
{
ObjectParameter = project,
Operation = DbOperation.Insert,
};
Console.WriteLine("await dbEngine.CreateDbCommand().ExecuteAsync with a Generic DbObjectCommand and return a custom value");
stopwatch.Start();
string returnValue = await dbFactory.CreateDbCommand().ExecuteAsync <string, Project>(
insertPrjCommand,
customValueProviderToExecute: returnFunction);
stopwatch.Stop();
Console.WriteLine($"Result returned : {returnValue} | Time Elapsed : {stopwatch.Elapsed}");
stopwatch.Reset();
Console.WriteLine("---------------------------------------------------------------------------");
}
/// <inheritdoc />
public IFluentDbCommand AddDeleteCommand <T>(T data)
where T : class, new()
{
DbObjectCommand <T> command = new DbObjectCommand <T>();
command.ObjectParameter = data;
command.Operation = DbOperation.Delete;
Func <Task <DbCommandResult> > execution = () => this.ExecuteAsync(command);
this.ActionsToExecute.Enqueue(execution);
this.MultipleCommandExecution = true;
return(this);
}
/// <inheritdoc />
public IFluentDbCommand AddCustomCommand(string sql)
{
if (string.IsNullOrWhiteSpace(sql))
{
throw new ArgumentNullException(nameof(sql));
}
DbObjectCommand command = new DbObjectCommand();
command.ScriptSql = sql;
command.Parameters = null;
Func <Task <DbCommandResult> > execution = () => this.ExecuteAsync(command);
this.ActionsToExecute.Enqueue(execution);
this.MultipleCommandExecution = true;
return(this);
}
// DbObjectCommand execute
private async Task <DbCommandResult> ExecuteDbObjectCommand <T>(DbObjectCommand <T> command, Action?dispatcherPostExecution = null, bool throwException = false)
where T : class, new()
{
DbCommandResult result = new DbCommandResult();
try
{
this.CheickDbObjectCommand(command);
bool operation = command.Operation switch
{
DbOperation.Delete => await this.dbConnection.DeleteAsync <T>(command.ObjectParameter !, transaction : this.Transaction),
DbOperation.Insert => await this.dbConnection.InsertAsync <T>(command.ObjectParameter !, transaction : this.Transaction) > 0,
DbOperation.Update => await this.dbConnection.UpdateAsync <T>(command.ObjectParameter !, transaction : this.Transaction),
DbOperation.ExecuteSql => await this.ExecuteScriptAsync <T>(command.ScriptSql !, command.ObjectParameter !),
_ => false
};
result.Result = operation ? 1 : 0;
result.IsSuccess = operation;
dispatcherPostExecution?.Invoke();
}
catch (Exception ex)
{
result.Exception = ex;
result.Result = -1;
result.IsSuccess = false;
dispatcherPostExecution?.Invoke();
this.ThrowExceptionIfNecessary(throwException, ex);
}
if (!result.IsSuccess && result.Exception == null)
{
result.Exception = new FluentDbExecutionException("Data was not found");
}
return(result);
}
public void CheickDbObjectCommand_Should_Throw_ArgumentNull_Exception()
{
// Arrange
this.fluentDbCommand = new FluentDbCommandBase();
DbObjectCommand nullCommand = null;
DbObjectCommand emptyCommand = new DbObjectCommand();
emptyCommand.Parameters = Enumerable.Empty <object>();
emptyCommand.ScriptSql = "SELECT 1";
DbObjectCommand emptyCommand_2 = new DbObjectCommand();
emptyCommand.Parameters = new object[] { 10 };
emptyCommand.ScriptSql = string.Empty;
// Assert
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(nullCommand));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(emptyCommand_2));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(emptyCommand));
Assert.Throws <ArgumentNullException>(() => this.fluentDbCommand.CheickDbObjectCommand(new List <DbObjectCommand>()
{
emptyCommand
}));
}
// DbObjectCommand execute
private async Task <DbCommandResult> ExecuteDbObjectCommand(DbObjectCommand command, Action?dispatcherPostExecution = null, bool throwException = false)
{
DbCommandResult result = new DbCommandResult();
try
{
this.CheickDbObjectCommand(command);
if (command.Parameters != null && command.Parameters.Any())
{
result.Result = await this.dbConnection.ExecuteAsync(
command.ScriptSql,
command.Parameters,
transaction : this.Transaction);
}
else
{
result.Result = await this.dbConnection.ExecuteAsync(command.ScriptSql, transaction : this.Transaction);
}
result.IsSuccess = result.Result > 0;
dispatcherPostExecution?.Invoke();
}
catch (Exception ex)
{
result.Exception = ex;
result.Result = -1;
result.IsSuccess = false;
dispatcherPostExecution?.Invoke();
this.ThrowExceptionIfNecessary(throwException, ex);
}
return(result);
}
public async Task ExecuteWithDispatcher(ILogger logger)
{
this.dbFactory = new FluentDbFactory(dbConnection);
Stopwatch stopwatch = new Stopwatch();
Console.WriteLine("Execute dispatcher inside the command");
var project = new Project()
{
AssigneeId = 1,
Description = "Project 3 | Fluent Db Sample",
Budget = 260000,
Name = "Show FluentDb library 3"
};
var insertPrjCommand = new DbObjectCommand <Project>()
{
ObjectParameter = project,
Operation = DbOperation.Insert,
};
stopwatch.Start();
var result = await this.dbFactory.CreateDbCommand().ExecuteAsync <Project>(
command: insertPrjCommand,
dispatcherPostExecution: () => logger?.LogInformation("dispatcher execute"),
throwException: false);
Console.WriteLine($"Result : {result.IsSuccess} | Time Elapsed : {stopwatch.Elapsed}");
stopwatch.Reset();
Console.WriteLine("---------------------------------------------------------------------------");
Console.WriteLine("Execute dispatcher inside many command execution");
Project prj = await this.dbConnection.QueryFirstAsync <Project>("select * from dbo.Project where Name = 'Show FluentDb library 3'");
// Update data
prj.Budget = 340000;
// Apply update and insert new data
// employe data
var newEmp = new Employee()
{
FirstName = "FirstName133",
LastName = "LastName133",
Salary = 200000
};
Console.WriteLine("Execute many insert in one step");
stopwatch.Start();
var result2 = await this.dbFactory.CreateDbCommand().WithTransaction()
.AddInsertCommand <Employee>(newEmp)
.AddUpdateCommand <Project>(prj)
.AddCustomCommand("delete from dbo.Employee where FirstName = 'FirstName111'")
.ExecuteAsync(
dispatcherPostExecution: () => logger?.LogInformation("Dispatcher executed"),
throwException: true);
stopwatch.Stop();
Console.WriteLine($"Result : {result.IsSuccess} | Time Elapsed : {stopwatch.Elapsed}");
stopwatch.Reset();
Console.WriteLine("---------------------------------------------------------------------------");
}
