public IActionResult AddElement([FromBody] ElementCreationData elementData)
{
var userId = _userProvider.GetCurrentUserId();
var collection = _dbContext.Collection
.Include(c => c.Elements)
.SingleOrDefault(c => c.Id == elementData.CollectionId);
if (collection == null)
{
return(NotFound());
}
if (collection.Elements.Count >= _configurationProvider.MaxElementsInCollection)
{
return(BadRequest("Could not add the element: Maximum number of elements reached"));
}
var lastSequenceInCollection = collection.Elements.Max(e => e.Sequence);
var element = new Element
{
Link = elementData.Link,
Name = elementData.Name,
CollectionId = elementData.CollectionId,
OwnerId = userId,
Sequence = lastSequenceInCollection + 1 ?? 1
};
_dbContext.Add(element);
_dbContext.SaveChanges();
return(Ok());
}
public void AddElement_FirstElementInCollection_SequenceEquals1(string elementName, string link)
{
//Arrange
var userId = NewGuid;
AddUser(userId);
var collection = AddCollection(userId, 0);
var elementData = new ElementCreationData {
CollectionId = collection.Id, Link = link, Name = elementName
};
//Act
InTransaction(context =>
{
var controller = new ElementsController(context, GetUserProviderMock(userId), getCollectionConfigurationProviderMock());
controller.AddElement(elementData);
});
//Assert
InTransaction(context =>
{
var element = context.Element.Single(el => el.Name == elementName);
element.Sequence.Should().Be(1);
});
}
public void AddElement_100ElementsInserted_SequenceConserved()
{
//Arrange
var userId = NewGuid;
AddUser(userId);
var collection = AddCollection(userId, 0);
//Act
InTransaction(context =>
{
var controller = new ElementsController(context, GetUserProviderMock(userId), getCollectionConfigurationProviderMock());
for (var i = 0; i < 100; i++)
{
var elementData = new ElementCreationData {
CollectionId = collection.Id, Link = NewGuid, Name = i.ToString()
};
controller.AddElement(elementData);
}
});
//Assert
InTransaction(context =>
{
var elements = context.Collection
.Include(c => c.Elements)
.Single(c => c.Id == collection.Id)
.Elements.OrderBy(el => int.Parse(el.Name))
.ToList();
elements.Should().HaveCount(100);
elements.Max(el => el.Sequence).Should().Be(100);
elements.Select(el => el.Sequence).Should().BeInAscendingOrder();
});
}
public void AddElement_NewElementData_AllPropertiesInserted(string elementName, string link)
{
//Arrange
var userId = NewGuid;
AddUser(userId);
var collection = AddCollection(userId, 0);
var elementData = new ElementCreationData {
CollectionId = collection.Id, Link = link, Name = elementName
};
//Act
InTransaction(context =>
{
var controller = new ElementsController(context, GetUserProviderMock(userId), getCollectionConfigurationProviderMock());
controller.AddElement(elementData);
});
//Assert
InTransaction(context =>
{
var element = context.Element.SingleOrDefault(el => el.Name == elementName);
element.Should().NotBeNull();
element.Name.Should().Be(elementName);
element.Link.Should().Be(link);
element.CollectionId.Should().Be(collection.Id);
element.OwnerId.Should().Be(userId);
});
}