public async Task <IActionResult> PostAsync([FromBody] ExhibitArgs args)
{
ValidateExhibitArgs(args);
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (!UserPermissions.IsAllowedToCreate(User.Identity, args.Status))
{
return(Forbid());
}
// validation passed, emit event
var ev = new ExhibitCreated
{
Id = _entityIndex.NextId(ResourceType.Exhibit),
UserId = User.Identity.GetUserIdentity(),
Properties = args,
Timestamp = DateTimeOffset.Now
};
await _eventStore.AppendEventAsync(ev);
return(Created($"{Request.Scheme}://{Request.Host}/api/Exhibits/{ev.Id}", ev.Id));
}
public Exhibit(ExhibitArgs args)
{
Name = args.Name;
Description = args.Description;
Image.Id = args.Image;
Latitude = args.Latitude;
Longitude = args.Longitude;
Status = args.Status;
Tags.Add(args.Tags?.Select(id => (BsonValue)id));
Pages.Add(args.Pages?.Select(id => (BsonValue)id));
AccessRadius = args.AccessRadius;
}
private void ValidateExhibitArgs(ExhibitArgs args)
{
if (args == null)
{
return;
}
// ensure referenced image exists
if (args.Image != null && !_mediaIndex.IsImage(args.Image.Value))
{
ModelState.AddModelError(nameof(args.Image),
ErrorMessages.ImageNotFound(args.Image.Value));
}
// ensure referenced tags exist
if (args.Tags != null)
{
var invalidIds = args.Tags
.Where(id => !_entityIndex.Exists(ResourceType.Tag, id))
.ToList();
foreach (var id in invalidIds)
{
ModelState.AddModelError(nameof(args.Tags),
ErrorMessages.ContentNotFound(ResourceType.Tag, id));
}
}
// ensure referenced pages exist
if (args.Pages != null)
{
var invalidIds = args.Pages
.Where(id => !_entityIndex.Exists(ResourceType.ExhibitPage, id))
.ToList();
foreach (var id in invalidIds)
{
ModelState.AddModelError(nameof(args.Pages),
ErrorMessages.ExhibitPageNotFound(id));
}
}
}
public async Task <IActionResult> PutAsync(int id, [FromBody] ExhibitArgs args)
{
ValidateExhibitArgs(args);
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (!_entityIndex.Exists(ResourceType.Exhibit, id))
{
return(NotFound());
}
if (!UserPermissions.IsAllowedToEdit(User.Identity, args.Status, _entityIndex.Owner(ResourceType.Exhibit, id)))
{
return(Forbid());
}
var oldStatus = _entityIndex.Status(ResourceType.Exhibit, id).GetValueOrDefault();
if (args.Status == ContentStatus.Unpublished && oldStatus != ContentStatus.Published)
{
return(BadRequest(ErrorMessages.CannotBeUnpublished(ResourceType.Exhibit)));
}
// validation passed, emit event
var ev = new ExhibitUpdated
{
Id = id,
UserId = User.Identity.GetUserIdentity(),
Properties = args,
Timestamp = DateTimeOffset.Now
};
await _eventStore.AppendEventAsync(ev);
return(StatusCode(204));
}
