/// <summary>
/// OnPostAsync method is invoked after clicking on Submit button.
/// </summary>
/// <returns>Redirect to Get page or the same page with validation messages</returns>
public async Task <IActionResult> OnPostAsync()
{
// Authentication
var token = AccessHelper.GetTokenFromPageModel(this);
if (token == null)
{
return(RedirectToPage("/Index"));
}
// Application descriptor
ApplicationDescriptor = await AccessHelper.GetApplicationDescriptor(cache, accountService, token);
if (ApplicationDescriptor == null)
{
Logger.LogToConsole($"Application descriptor for user with token {token.Value} not found.");
return(RedirectToPage("/Error"));
}
// Active dataset descriptor
var rights = await AccessHelper.GetUserRights(cache, accountService, token);
if (rights == null)
{
Logger.LogToConsole($"Rights not found for user with token {token.Value}.");
return(RedirectToPage("/Error"));
}
ActiveDatasetDescriptor = AccessHelper.GetActiveDatasetDescriptor(ApplicationDescriptor, rights, DatasetName);
if (ActiveDatasetDescriptor == null)
{
Logger.LogToConsole($"Active dataset descriptor for dataset {DatasetName} and user with token {token.Value} not found.");
return(RedirectToPage("/Error"));
}
// Authorization
if (!AuthorizationHelper.IsAuthorized(rights, ActiveDatasetDescriptor.Id, RightsEnum.CRU))
{
TempData["Messages"] = JsonConvert.SerializeObject(
new List <Message>()
{
new Message(MessageTypeEnum.Error,
2010,
new List <string>()
{
DatasetName
})
});
return(RedirectToPage("/Data/Get"));
}
// Prepare new data model
var validationHelper = new ValidationHelper();
validationHelper.ValidateDataDictionary(DataDictionary, ActiveDatasetDescriptor.Attributes);
var dataModelToPut = new DataModel()
{
Id = DataId,
ApplicationId = token.ApplicationId,
DatasetId = ActiveDatasetDescriptor.Id,
Data = JsonConvert.SerializeObject(DataDictionary)
};
// Put request to the server via rightsService
var response = await dataService.Put(dataModelToPut, token);
var messages = new List <Message>();
try
{
// If response status code if successfull, parse messages and redirect to get page
if (response.IsSuccessStatusCode)
{
// Set messages to cookie
TempData["Messages"] = await response.Content.ReadAsStringAsync();
return(RedirectToPage("/Data/Get"));
}
// If user is not authenticated, redirect to login page
else if (response.StatusCode == HttpStatusCode.Unauthorized)
{
return(RedirectToPage("/Index"));
}
// If user is not authorized, add message
else if (response.StatusCode == HttpStatusCode.Forbidden)
{
messages.Add(new Message(MessageTypeEnum.Error,
2009,
new List <string>()
{
DatasetName
}));
}
// Otherwise try parse error messages and display them at the edit page
else
{
messages = JsonConvert.DeserializeObject <List <Message> >(await response.Content.ReadAsStringAsync()) ?? throw new JsonSerializationException();
}
}
catch (JsonSerializationException e)
{
// In case of JSON parsing error, create server error message
messages.Add(MessageHepler.Create1007());
Logger.LogExceptionToConsole(e);
}
// Menu data
MenuData = AccessHelper.GetMenuData(ApplicationDescriptor, rights);
// Read authorized datasets
// ReadAuthorizedDatasets = AccessHelper.GetReadAuthorizedDatasets(ApplicationDescriptor, rights);
// SelectData
HTMLSelectHelper dlh = new HTMLSelectHelper();
SelectData = await dlh.FillSelectData(ApplicationDescriptor,
ActiveDatasetDescriptor.Attributes,
userService,
dataService,
token);
// Messages
Messages = messages;
return(Page());
}
/// <summary>
/// This method is used when there is a GET request to Data/Edit.cshtml page
/// </summary>
/// <returns>The page.</returns>
public async Task <IActionResult> OnGetAsync(string datasetName, long id)
{
// Authentication
var token = AccessHelper.GetTokenFromPageModel(this);
if (token == null)
{
return(RedirectToPage("/Index"));
}
// Application descriptor
ApplicationDescriptor = await AccessHelper.GetApplicationDescriptor(cache, accountService, token);
if (ApplicationDescriptor == null)
{
Logger.LogToConsole($"Application descriptor for user with token {token.Value} not found.");
return(RedirectToPage("/Error"));
}
// Active dataset descriptor
var rights = await AccessHelper.GetUserRights(cache, accountService, token);
if (rights == null)
{
Logger.LogToConsole($"Rights not found for user with token {token.Value}.");
return(RedirectToPage("/Error"));
}
ActiveDatasetDescriptor = AccessHelper.GetActiveDatasetDescriptor(ApplicationDescriptor, rights, datasetName);
if (ActiveDatasetDescriptor == null)
{
Logger.LogToConsole($"Active dataset descriptor for dataset {datasetName} and user with token {token.Value} not found.");
return(RedirectToPage("/Error"));
}
// Authorization
if (!AuthorizationHelper.IsAuthorized(rights, ActiveDatasetDescriptor.Id, RightsEnum.CRU))
{
TempData["Messages"] = JsonConvert.SerializeObject(
new List <Message>()
{
new Message(MessageTypeEnum.Error,
2010,
new List <string>()
{
datasetName
})
});
return(RedirectToPage("/Data/Get"));
}
#region PAGE DATA PREPARATION
Messages = new List <Message>();
MenuData = AccessHelper.GetMenuData(ApplicationDescriptor, rights);
// ReadAuthorizedDatasets = AccessHelper.GetReadAuthorizedDatasets(ApplicationDescriptor, rights);
DatasetName = "";
DataId = 0;
DataDictionary = new Dictionary <string, List <string> >();
// SelectData
HTMLSelectHelper dlh = new HTMLSelectHelper();
SelectData = await dlh.FillSelectData(ApplicationDescriptor,
ActiveDatasetDescriptor.Attributes,
userService,
dataService,
token);
// Data request to the server via dataService
DataModel dataModel;
var response = await dataService.GetById(ActiveDatasetDescriptor.Id, id, token);
try
{
// If response status code if successfull, try parse data
if (response.IsSuccessStatusCode)
{
dataModel = JsonConvert.DeserializeObject <DataModel>(await response.Content.ReadAsStringAsync());
// Data dictionary, id and dataset name
DatasetName = ActiveDatasetDescriptor.Name;
DataId = dataModel.Id;
// Convert Dictionary<string, List<object>> from dataModel to Dictionary<string, List<string>> expected by html page
DataDictionary = dataModel.DataDictionary.ToDictionary(k => k.Key, k => k.Value.ConvertAll(x => Convert.ToString(x)));
}
// If user is not authenticated, redirect to login page
else if (response.StatusCode == HttpStatusCode.Unauthorized)
{
return(RedirectToPage("/Index"));
}
// If user is not authorized, add message
else if (response.StatusCode == HttpStatusCode.Forbidden)
{
Messages.Add(new Message(MessageTypeEnum.Error,
4011,
new List <string>()));
}
// Otherwise try parse error messages and display them at the get page
else
{
// Set messages to cookie
TempData["Messages"] = await response.Content.ReadAsStringAsync();
return(RedirectToPage("/Data/Get"));
}
}
catch (JsonSerializationException e)
{
// In case of JSON parsing error, create server error message
Messages.Add(MessageHepler.Create1007());
Logger.LogExceptionToConsole(e);
}
#endregion
return(Page());
}
