public async Task <IActionResult> OnPostAsync()
{
// Get the current user.
var user = await _userManager.GetUserAsync(User);
// Define the view.
View = new ViewModel
{
IsUserAuthenticated = user != null,
SampleItems = _context.Samples
.Where(item => item.SampleDatabases.Any(item1 => item1.Database.DatabaseType.Name == "PPI"))
.Select(item => new SampleItemModel
{
Id = item.Id,
Name = item.Name,
Description = item.Description
}),
NodeDatabases = _context.Databases
.Where(item => item.DatabaseType.Name == "PPI")
.Where(item => item.IsPublic || item.DatabaseUsers.Any(item1 => item1.User == user))
.Where(item => item.DatabaseNodeFields.Any(item1 => item1.IsSearchable)),
EdgeDatabases = _context.Databases
.Where(item => item.DatabaseType.Name == "PPI")
.Where(item => item.IsPublic || item.DatabaseUsers.Any(item1 => item1.User == user))
.Where(item => item.DatabaseEdges.Any()),
SeedNodeCollections = _context.NodeCollections
.Where(item => item.NodeCollectionDatabases.Any(item1 => item1.Database.DatabaseType.Name == "PPI"))
.Where(item => item.NodeCollectionDatabases.Any(item1 => item1.Database.IsPublic || item1.Database.DatabaseUsers.Any(item2 => item2.User == user)))
};
// Check if there weren't any node databases available.
if (View.NodeDatabases == null || !View.NodeDatabases.Any())
{
// Display a message.
TempData["StatusMessage"] = "Error: A new network can't be created, as there are no protein databases available.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/PPI/Created/Networks/Index"));
}
// Check if there weren't any edge databases available.
if (View.EdgeDatabases == null || !View.EdgeDatabases.Any())
{
// Display a message.
TempData["StatusMessage"] = "Error: A new network can't be created, as there are no interaction databases available.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/PPI/Created/Networks/Index"));
}
// Check if the reCaptcha is valid.
if (!await _reCaptchaChecker.IsValid(Input.ReCaptchaToken))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The reCaptcha verification failed.");
// Return the page.
return(Page());
}
// Check if the provided model isn't valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error has been encountered. Please check again the input fields.");
// Redisplay the page.
return(Page());
}
// Check if the public availability isn't valid.
if (!View.IsUserAuthenticated && !Input.IsPublic)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "You are not logged in, so the network must be set as public.");
// Redisplay the page.
return(Page());
}
// Try to get the algorithm.
try
{
// Get the algorithm.
var algorithm = EnumerationExtensions.GetEnumerationValue <NetworkAlgorithm>(Input.Algorithm);
}
catch (Exception)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The network generation algorithm couldn't be determined from the provided string.");
// Redisplay the page.
return(Page());
}
// Check if the algorithm is not valid.
if (!Enum.GetValues(typeof(NetworkAlgorithm)).Cast <NetworkAlgorithm>().Where(item => item != NetworkAlgorithm.None).Select(item => item.ToString()).Contains(Input.Algorithm))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The network generation algorithm is not valid.");
// Redisplay the page.
return(Page());
}
// Try to deserialize the node database data.
if (!Input.NodeDatabaseData.TryDeserializeJsonObject <IEnumerable <string> >(out var nodeDatabaseIds) || nodeDatabaseIds == null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The provided protein database data could not be deserialized.");
// Redisplay the page.
return(Page());
}
// Check if there weren't any node database IDs provided.
if (!nodeDatabaseIds.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "At least one protein database ID must be provided.");
// Redisplay the page.
return(Page());
}
// Try to get the node databases with the provided IDs.
var nodeDatabases = View.NodeDatabases.Where(item => nodeDatabaseIds.Contains(item.Id));
// Check if there weren't any node databases found.
if (!nodeDatabases.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "No protein databases could be found with the provided ID(s).");
// Redisplay the page.
return(Page());
}
// Try to deserialize the edge database data.
if (!Input.EdgeDatabaseData.TryDeserializeJsonObject <IEnumerable <string> >(out var edgeDatabaseIds) || edgeDatabaseIds == null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The provided interaction database data could not be deserialized.");
// Redisplay the page.
return(Page());
}
// Check if there weren't any edge database IDs provided.
if (!edgeDatabaseIds.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "At least one interaction database ID must be provided.");
// Redisplay the page.
return(Page());
}
// Try to get the edge databases with the provided IDs.
var edgeDatabases = View.EdgeDatabases.Where(item => edgeDatabaseIds.Contains(item.Id));
// Check if there weren't any edge databases found.
if (!edgeDatabases.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "No interaction databases could be found with the provided ID(s).");
// Redisplay the page.
return(Page());
}
// Try to deserialize the seed node collection data.
if (!Input.SeedNodeCollectionData.TryDeserializeJsonObject <IEnumerable <string> >(out var seedNodeCollectionIds) || seedNodeCollectionIds == null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The provided seed protein collection data could not be deserialized.");
// Redisplay the page.
return(Page());
}
// Try to get the seed node collections with the provided IDs.
var seedNodeCollections = View.SeedNodeCollections.Where(item => seedNodeCollectionIds.Contains(item.Id));
// Try to deserialize the seed data.
if (!Input.SeedNodeData.TryDeserializeJsonObject <IEnumerable <string> >(out var items) || items == null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The provided seed data could not be deserialized.");
// Redisplay the page.
return(Page());
}
// Check if there weren't any items found.
if (!items.Any() && !seedNodeCollections.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "No items could be found within the provided seed data or the selected seed protein collections.");
// Redisplay the page.
return(Page());
}
// Serialize the seed data.
var data = JsonSerializer.Serialize(items
.Select(item => new NetworkNodeInputModel
{
Node = new NodeInputModel
{
Id = item
},
Type = "Seed"
}));
// Define a new task.
var task = new NetworksTask
{
Scheme = HttpContext.Request.Scheme,
HostValue = HttpContext.Request.Host.Value,
Items = new List <NetworkInputModel>
{
new NetworkInputModel
{
Name = Input.Name,
Description = Input.Description,
IsPublic = Input.IsPublic,
Algorithm = Input.Algorithm,
Data = data,
NetworkDatabases = nodeDatabases
.Select(item => item.Id)
.Select(item => new NetworkDatabaseInputModel
{
Database = new DatabaseInputModel
{
Id = item
},
Type = "Node"
})
.Concat(edgeDatabases
.Select(item => item.Id)
.Select(item => new NetworkDatabaseInputModel
{
Database = new DatabaseInputModel
{
Id = item
},
Type = "Edge"
})),
NetworkUsers = View.IsUserAuthenticated ?
new List <NetworkUserInputModel>
{
new NetworkUserInputModel
{
User = new UserInputModel
{
Id = user.Id
}
}
} :
new List <NetworkUserInputModel>(),
NetworkNodeCollections = seedNodeCollections
.Select(item => item.Id)
.Select(item => new NetworkNodeCollectionInputModel
{
NodeCollection = new NodeCollectionInputModel
{
Id = item
},
Type = "Seed"
})
}
}
};
// Define the IDs of the created items.
var ids = Enumerable.Empty <string>();
// Try to run the task.
try
{
// Run the task.
ids = await task.CreateAsync(_serviceProvider, CancellationToken.None);
}
catch (Exception exception)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, exception.Message);
// Redisplay the page.
return(Page());
}
// Check if there wasn't any ID returned.
if (ids != null && ids.Any())
{
// Display a message.
TempData["StatusMessage"] = $"Success: 1 PPI network defined successfully with the ID \"{ids.First()}\" and scheduled for generation.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/PPI/Created/Networks/Details/Index", new { id = ids.First() }));
}
// Display a message.
TempData["StatusMessage"] = $"Success: 1 PPI network defined successfully and scheduled for generation.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/PPI/Created/Networks/Index"));
}
public async Task <IActionResult> OnPostAsync()
{
// Get the current user.
var user = await _userManager.GetUserAsync(User);
// Define the view.
View = new ViewModel
{
IsUserAuthenticated = user != null,
SampleItems = _context.Samples
.Where(item => item.SampleDatabases.Any(item1 => item1.Database.DatabaseType.Name == "Generic"))
.Select(item => new SampleItemModel
{
Id = item.Id,
Name = item.Name,
Description = item.Description
})
};
// Get the available databases.
var databases = _context.Databases
.Where(item => item.DatabaseType.Name == "Generic")
.Where(item => item.IsPublic || item.DatabaseUsers.Any(item1 => item1.User == user));
// Check if there weren't any databases available.
if (!databases.Any())
{
// Display a message.
TempData["StatusMessage"] = "Error: A new network can't be created, as there are no databases available.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/Generic/Created/Networks/Index"));
}
// Check if the reCaptcha is valid.
if (!await _reCaptchaChecker.IsValid(Input.ReCaptchaToken))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The reCaptcha verification failed.");
// Return the page.
return(Page());
}
// Check if the provided model isn't valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error has been encountered. Please check again the input fields.");
// Redisplay the page.
return(Page());
}
// Check if the public availability isn't valid.
if (!View.IsUserAuthenticated && !Input.IsPublic)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "You are not logged in, so the network must be set as public.");
// Redisplay the page.
return(Page());
}
// Try to deserialize the seed data.
if (!Input.SeedEdgeData.TryDeserializeJsonObject <IEnumerable <EdgeItemModel> >(out var items) || items == null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The provided seed data could not be deserialized.");
// Redisplay the page.
return(Page());
}
// Check if there weren't any items found.
if (!items.Any())
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "No edges could be found within the provided seed data.");
// Redisplay the page.
return(Page());
}
// Serialize the seed data.
var data = JsonSerializer.Serialize(items
.Select(item => new NetworkEdgeInputModel
{
Edge = new EdgeInputModel
{
EdgeNodes = new List <EdgeNodeInputModel>
{
new EdgeNodeInputModel
{
Node = new NodeInputModel
{
Id = item.SourceNode
},
Type = "Source"
},
new EdgeNodeInputModel
{
Node = new NodeInputModel
{
Id = item.TargetNode
},
Type = "Target"
}
}
}
}));
// Define a new task.
var task = new NetworksTask
{
Scheme = HttpContext.Request.Scheme,
HostValue = HttpContext.Request.Host.Value,
Items = new List <NetworkInputModel>
{
new NetworkInputModel
{
Name = Input.Name,
Description = Input.Description,
IsPublic = Input.IsPublic,
Algorithm = NetworkAlgorithm.None.ToString(),
Data = data,
NetworkDatabases = databases
.Select(item => item.Id)
.Select(item => new NetworkDatabaseInputModel
{
Database = new DatabaseInputModel
{
Id = item
},
Type = "Node"
})
.Concat(databases
.Select(item => item.Id)
.Select(item => new NetworkDatabaseInputModel
{
Database = new DatabaseInputModel
{
Id = item
},
Type = "Edge"
})),
NetworkUsers = View.IsUserAuthenticated ?
new List <NetworkUserInputModel>
{
new NetworkUserInputModel
{
User = new UserInputModel
{
Id = user.Id
}
}
} :
new List <NetworkUserInputModel>()
}
}
};
// Define the IDs of the created items.
var ids = Enumerable.Empty <string>();
// Try to run the task.
try
{
// Run the task.
ids = await task.CreateAsync(_serviceProvider, CancellationToken.None);
}
catch (Exception exception)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, exception.Message);
// Redisplay the page.
return(Page());
}
// Check if there wasn't any ID returned.
if (ids != null && ids.Any())
{
// Display a message.
TempData["StatusMessage"] = $"Success: 1 generic network defined successfully with the ID \"{ids.First()}\" and scheduled for generation.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/Generic/Created/Networks/Details/Index", new { id = ids.First() }));
}
// Display a message.
TempData["StatusMessage"] = $"Success: 1 generic network of type defined successfully and scheduled for generation.";
// Redirect to the index page.
return(RedirectToPage("/Content/DatabaseTypes/Generic/Created/Networks/Index"));
}