public async Task <bool> SubscribeAsync(Subscribe sub)
{
if (!sub.IsValidate)
{
return(false);
}
var topic = await _topicServce.GetTopicAsync(sub.TopicId);
if (topic.IsNull())
{
return(false);
}
//再判断下是否已经订阅过
var searchOptions = new SubscribeSearchOptions {
ServiceId = sub.ServiceId, SubscriberId = sub.SubscriberId, TopicId = sub.TopicId, TargetId = sub.TargetId
};
var existSubscribes = await Search(searchOptions, null);
if (!existSubscribes.IsNull() && existSubscribes.Count > 0)
{
return(false);
}
sub.Id = Guid.NewGuid().ToString();
return(SubscribeDb.Insert(sub));
}
public async Task <bool> UnSubsribeAsync(Subscribe sub)
{
var topic = await _topicServce.GetTopicAsync(sub.TopicId);
if (topic.IsNull())
{
return(false);
}
var searchOptions = new SubscribeSearchOptions {
ServiceId = sub.ServiceId, SubscriberId = sub.SubscriberId, TopicId = sub.TopicId, TargetId = sub.TargetId
};
var existSubscribes = await Search(searchOptions, null);
if (existSubscribes.IsNull() || existSubscribes.Count() <= 0)
{
return(false);
}
try
{
return(SubscribeDb.DeleteById(existSubscribes.First().Id.ToGuid()));
}
catch
{
return(false);
}
}
public async Task <List <SubscribeViewModel> > GetSubscribeTarget([FromBody] SubscribeSearchOptions viewModel)
{
viewModel.SubscriberId = viewModel?.SubscriberId ?? User.GetUserId();
viewModel.ServiceId = viewModel?.ServiceId ?? User.GetServiceId();
var subscribes = await _subscribeService.Search(
viewModel,
null
);
List <SubscribeViewModel> results = new List <SubscribeViewModel>();
foreach (var item in subscribes)
{
results.Add(Mapper.Map <SubscribeViewModel>(item));
}
return(results);
}
public async Task <List <Subscribe> > Search(SubscribeSearchOptions options, PageOptions page)
{
var query = DB.Queryable <Subscribe>();
if (!options.IsNull())
{
var SubscriberId = options?.SubscriberId;
var TargetId = options?.TargetId;
var ServiceId = options?.ServiceId;
var TopicId = options?.TopicId;
var code = options?.Code;
if (!SubscriberId.IsNullOrEmpty())
{
query.Where(s => s.SubscriberId == SubscriberId);
}
if (!TargetId.IsNullOrEmpty())
{
query.Where(s => s.TargetId == TargetId);
}
if (!ServiceId.IsNullOrEmpty())
{
query.Where(s => s.ServiceId == ServiceId);
}
if (!TopicId.IsNullOrEmpty())
{
query.Where(s => s.TopicId == TopicId);
}
}
var targets = new List <Subscribe>();
if (!page.IsNull() && page.IsValidate)
{
targets = await query.ToPageListAsync(page.PageIndex, page.PageSize);
}
else
{
targets = await query.ToListAsync();
}
return(targets);
}
