public async Task <IViewComponentResult> InvokeAsync(ReactionListViewModel model)
{
// We always need an entity
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (model.Entity == null)
{
throw new ArgumentNullException(nameof(model.Entity));
}
model.Reactions =
await _simpleReactionsStore.GetSimpleReactionsAsync(model.Entity.Id, model.Reply?.Id ?? 0);
// Return view
return(View(model));
}
public async Task <IActionResult> Post([FromBody] EntityReaction model)
{
// Get authenticated user (if any)
var user = await base.GetAuthenticatedUserAsync();
// Get client details
var ipV4Address = _clientIpAddress.GetIpV4Address();
var ipV6Address = _clientIpAddress.GetIpV6Address();
var userAgent = "";
if (Request.Headers.ContainsKey("User-Agent"))
{
userAgent = Request.Headers["User-Agent"].ToString();
}
IEnumerable <EntityReaction> existingReactions = null;
if (user != null)
{
// Has the user already reacted to the entity?
existingReactions = await _entityReactionsStore.SelectEntityReactionsByUserIdAndEntityId(user.Id, model.EntityId);
}
else
{
// Delete all existing reactions for anonymous user using there
// IP addresses & user agent as a unique identifier
var anonymousReactions = await _entityReactionsStore.QueryAsync()
.Select <EntityReactionsQueryParams>(q =>
{
q.EntityId.Equals(model.EntityId);
q.CreatedUserId.Equals(0);
q.IpV4Address.Equals(ipV4Address);
q.IpV6Address.Equals(ipV6Address);
q.UserAgent.Equals(userAgent);
})
.ToList();
existingReactions = anonymousReactions?.Data;
}
// Get reaction from existing reactions
EntityReaction existingReaction = null;
if (existingReactions != null)
{
foreach (var reaction in existingReactions.Where(r => r.EntityReplyId == model.EntityReplyId))
{
if (reaction.ReactionName.Equals(model.ReactionName))
{
existingReaction = reaction;
break;
}
}
}
// Delete any existing reaction
if (existingReaction != null)
{
var delete = await _entityReactionManager.DeleteAsync(existingReaction);
if (delete.Succeeded)
{
// return 202 accepted to confirm delete
return(base.AcceptedDelete(await _simpleReactionsStore.GetSimpleReactionsAsync(model.EntityId, model.EntityReplyId)));
}
}
// Set created by
model.CreatedUserId = user?.Id ?? 0;
model.CreatedDate = DateTimeOffset.UtcNow;
model.IpV4Address = ipV4Address;
model.IpV6Address = ipV6Address;
model.UserAgent = userAgent;
// Add and return results
var result = await _entityReactionManager.CreateAsync(model);
if (result.Succeeded)
{
// return 201 created
return(base.Created(await _simpleReactionsStore.GetSimpleReactionsAsync(model.EntityId, model.EntityReplyId)));
}
// We should not reach here
return(base.InternalServerError());
}