public async Task <CreateUserTxn_Output> Execute(CreateUserTxn_Input input, IServiceProvider serviceProvider, MVCDbContext contextFatherMVC = null, bool autoCommit = true)
{
CreateUserTxn_Output _output = new CreateUserTxn_Output
{
ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "TXN_NOT_STARTED")
};
String userType = "User";
// Error handling
bool error = false; // To Handle Only One Error
try
{
MVCDbContext contextMVC = (contextFatherMVC != null) ? contextFatherMVC : new MVCDbContext();
// An using statement is in reality a try -> finally statement, disposing the element in the finally. So we need to take advance of that to create a DBContext inheritance
try
{
// DBContext by convention is a UnitOfWork, track changes and commits when SaveChanges is called
// Multithreading issue: so if we use only one DBContext, it will track all entities (_context.Customer.Add) and commit them when SaveChanges is called,
// No Matter what transactions or client calls SaveChanges.
// Note: Rollback will not remove the entities from the tracker in the context. so better dispose it.
//***** 0. Make The Validations - Be careful : Concurrency. Same name can be saved multiple times if called at the exact same time. Better have an alternate database constraint
// Company company = await contextMVC.Company.Where(x => x.Id.Equals(input.Company.Id)).FirstOrDefaultAsync();
company company = await contextMVC.Company.Where(x => x.companyId.Equals(input.Company.companyId)).FirstOrDefaultAsync();
if (company == null)
{
error = true;
_output.ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "COMPANY_DOES_NOT_EXIST_ERROR", _ResultDetail: "");
}
UserManager <IdentityUser> _userManager;
IdentityUser user = new IdentityUser();
if (!error)
{
_userManager = serviceProvider.GetService <UserManager <IdentityUser> >();
user = new IdentityUser {
UserName = input.User.userName, Email = input.User.email, PasswordHash = input.User.password
};
var result = await _userManager.CreateAsync(user);
if (!result.Succeeded)
{
error = true;
_output.ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "USER_NOT_CREATED_ERROR", _ResultDetail: result.Errors.FirstOrDefault().Description); // If OK
List <itemKey> resultKeys = new List <itemKey>();
foreach (var errorDesc in result.Errors)
{
resultKeys.Add(new itemKey(errorDesc.Code, errorDesc.Description));
}
_output.ResultConfirmation.resultDictionary = resultKeys;
}
else // No error
{
// Save the Name Claim into the database
var _claims = new[] {
new Claim(ClaimTypes.Name, user.Id)
, new Claim("UserType", userType) // Create the token without Manager status, then add the claim in database
};
var resultClaims = await _userManager.AddClaimsAsync(user, _claims); // Save claims in the Database
}
}
if (!error)
{
//***** 1. Create the token (Atomic because is same Context DB)
// Call transaction to get a new Token (we call the Mutation not the class itself)
var tokenString = "";
CreateTokenTxn_Input createTokenTxn_Input = new CreateTokenTxn_Input {
userAppId = user.Id
};
CreateTokenTxn_Output createTokenTxn = await new GraphQLMutation().CreateTokenTxn(input: createTokenTxn_Input, serviceProvider: serviceProvider);
if (createTokenTxn.resultConfirmation.resultPassed)
{
tokenString = createTokenTxn.token;
}
input.User.userAppId = user.Id; // To create Key
input.User.companyId = company.companyId;
input.User.password = ""; // Dont Save the password
input.User.tokenAuth = tokenString; // The token
contextMVC.UserApp.Add(input.User);
//***** 4. Save and Commit to the Database (Atomic because is same Context DB)
if (!error && autoCommit)
{
await contextMVC.SaveChangesAsync(); // Call it only once so do all other operations first
}
//***** 5. Execute Send e-mails or other events once the database has been succesfully saved
//***** If this task fails, there are options -> 1. Retry multiple times 2. Save the event as Delay, 3.Rollback Database, Re
// Create the Login Token for the User
try
{
if (!error)
{
input.User.loginTokenId = LoginTokenFunction.CreateTokenId(input.User.id, DateTime.UtcNow);
contextMVC.UserApp.Update(input.User);
await contextMVC.SaveChangesAsync();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception: " + ex.Message);
}
//***** 6. Confirm the Result (Pass | Fail) If gets to here there are not errors then return the new data from database
_output.ResultConfirmation = resultConfirmation.resultGood(_ResultMessage: "USER_SUCESSFULLY_CREATED"); // If OK
_output.User = input.User;
}// if (!error)
}
finally
{
// If the context Father is null the context was created on his own, so dispose it
if (contextMVC != null && contextFatherMVC == null)
{
contextMVC.Dispose();
}
}
}
catch (Exception ex) // Main try
{
System.Diagnostics.Debug.WriteLine("Error: " + ex.Message);
string innerError = (ex.InnerException != null) ? ex.InnerException.Message : "";
System.Diagnostics.Debug.WriteLine("Error Inner: " + innerError);
_output = new CreateUserTxn_Output(); // Restart variable to avoid returning any already saved data
_output.ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "EXCEPTION", _ResultDetail: ex.Message);
}
finally
{
// Save Logs if needed
}
return(_output);
}
public async Task <CreateCompanyAndXUsersTxn_Output> Execute(CreateCompanyAndXUsersTxn_Input input, IServiceProvider serviceProvider, MVCDbContext contextFatherMVC = null, bool autoCommit = true)
{
CreateCompanyAndXUsersTxn_Output output = new CreateCompanyAndXUsersTxn_Output();
output.ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "TXN_NOT_STARTED");
//String userType = "User";
// Error handling
bool error = false; // To Handle Only One Error
try
{
MVCDbContext contextMVC = (contextFatherMVC != null) ? contextFatherMVC : new MVCDbContext();
// An using statement is in reality a try -> finally statement, disposing the element in the finally. So we need to take advance of that to create a DBContext inheritance
try
{
// DBContext by convention is a UnitOfWork, track changes and commits when SaveChanges is called
// Multithreading issue: so if we use only one DBContext, it will track all entities (_context.Customer.Add) and commit them when SaveChanges is called,
// No Matter what transactions or client calls SaveChanges.
// Note: Rollback will not remove the entities from the tracker in the context. so better dispose it.
//***** 0. Make The Validations - Be careful : Concurrency. Same name can be saved multiple times if called at the exact same time. Better have an alternate database constraint
// Call the Transaction to Create the Company
//CreateCompanyTxn_Input CreateCompanyTxn_Input = new CreateCompanyTxn_Input { Company = input.Company };
//CreateCompanyTxn_Output CreateCompanyTxn = await new GraphQLMutation().CreateCompanyTxn(input: CreateCompanyTxn_Input, serviceProvider: serviceProvider);
CreateCompanyTxn_Input CreateCompanyTxn_Input = new CreateCompanyTxn_Input {
Company = input.Company
};
CreateCompanyTxn_Output CreateCompanyTxn = await new CreateCompanyTxn().Execute(input: CreateCompanyTxn_Input, serviceProvider: serviceProvider);
if (!CreateCompanyTxn.ResultConfirmation.resultPassed)
{
// Return the error as it is from the transaction
error = true;
output.ResultConfirmation = CreateCompanyTxn.ResultConfirmation;
return(output);
}
output.Company = CreateCompanyTxn.Company;
// Now create a loop to create the X users. Use the same database
for (int x = 1; x <= input.UsersToCreate; x++)
{
userApp newUser = new userApp {
firstName = "Name" + x, lastName = "LastName" + x, nickname = "Nickname" + x, userName = CreateCompanyTxn.Company.companyId + "--" + x.ToString()
};
CreateUserTxn_Input CreateUserTxn_Input = new CreateUserTxn_Input {
Company = CreateCompanyTxn.Company, User = newUser
};
CreateUserTxn_Output CreateUserTxn = await new CreateUserTxn().Execute(input: CreateUserTxn_Input, serviceProvider: serviceProvider, contextFatherMVC: contextMVC);
if (!CreateUserTxn.ResultConfirmation.resultPassed)
{
// Return the error as it is from the transaction
error = true;
output.ResultConfirmation = CreateUserTxn.ResultConfirmation;
return(output);
}
}
// Logic, first create All the users in MVC Database. Commit, if something goes wrong return Error, if OK create users in master user App table.
//
// UserManager<IdentityUser> _userManager = serviceProvider.GetService<UserManager<IdentityUser>>();
/*
* UserManager<IdentityUser> _userManager = serviceProvider.GetService<UserManager<IdentityUser>>();
*
* var user = new IdentityUser { UserName = input.user.UserName, Email = input.user.Email, PasswordHash = input.user.PasswordHash };
* var result = await _userManager.CreateAsync(user);
*
* if (!result.Succeeded)
* {
* error = true;
* _output.ResultConfirmation = ResultConfirmation.resultBad(_ResultMessage: "USER_NOT_CREATED_ERROR", _ResultDetail: result.Errors.FirstOrDefault().Description); // If OK
* List<ItemKey> resultKeys = new List<ItemKey>();
*
* foreach (var errorDesc in result.Errors)
* {
* resultKeys.Add(new ItemKey(errorDesc.Code, errorDesc.Description));
* }
*
* _output.ResultConfirmation.ResultDictionary = resultKeys;
*
* }
*/
if (!error)
{
//***** 1. Create the token (Atomic because is same Context DB)
/*
* // Save the Name Claim into the database
* var _claims = new[]{
* new Claim(ClaimTypes.Name, user.Id)
* ,new Claim("UserType", userType) // Create the token without Manager status, then add the claim in database
* };
*
* var resultClaims = await _userManager.AddClaimsAsync(user, _claims); // Save claims in the Database
*
*
*
* // Call transaction to get a new Token (we call the Mutation not the class itself)
* var tokenString = "";
* CreateTokenTxn_Input createTokenTxn_Input = new CreateTokenTxn_Input { userAppId = user.Id };
* CreateTokenTxn_Output createTokenTxn = await new GraphQLMutation().CreateTokenTxn(input: createTokenTxn_Input, serviceProvider: serviceProvider);
* if (createTokenTxn.resultConfirmation.ResultPassed)
* {
* tokenString = createTokenTxn.token;
* }
*/
//***** 4. Save and Commit to the Database (Atomic because is same Context DB)
if (!error && autoCommit)
{
await contextMVC.SaveChangesAsync(); // Call it only once so do all other operations first
}
//***** 5. Execute Send e-mails or other events once the database has been succesfully saved
//***** If this task fails, there are options -> 1. Retry multiple times 2. Save the event as Delay, 3.Rollback Database, Re
//***** 6. Confirm the Result (Pass | Fail) If gets to here there are not errors then return the new data from database
output.ResultConfirmation = resultConfirmation.resultGood(_ResultMessage: "COMPANY_SUCESSFULLY_CREATED"); // If OK
//_output.token = tokenString; // The token
//_output.user = input.user;
}// if (!error)
}
finally
{
// If the context Father is null the context was created on his own, so dispose it
if (contextMVC != null && contextFatherMVC == null)
{
contextMVC.Dispose();
}
}
}
catch (Exception ex) // Main try
{
System.Diagnostics.Debug.WriteLine("Error: " + ex.Message);
string innerError = (ex.InnerException != null) ? ex.InnerException.Message : "";
System.Diagnostics.Debug.WriteLine("Error Inner: " + innerError);
output = new CreateCompanyAndXUsersTxn_Output(); // Restart variable to avoid returning any already saved data
output.ResultConfirmation = resultConfirmation.resultBad(_ResultMessage: "EXCEPTION", _ResultDetail: ex.Message);
}
finally
{
// Save Logs if needed
}
return(output);
}
