public async Task <Tag> CreateTagAsync(string tagId)
{
var existingTags = await CosmosDBRepository.GetItemsFilteredAsync <Tag>(Keys.CosmosDB.TagsCollectionId, x => x.TagName == tagId);
var existingTag = existingTags.FirstOrDefault();
Tag newTag = new Tag();
if (existingTag == default(Tag))
{
newTag = new Tag();
newTag.TagId = Guid.NewGuid().ToString();
newTag.TagName = tagId;
newTag.id = newTag.TagId;
var res = await CosmosDBRepository.CreateItemAsync(Keys.CosmosDB.TagsCollectionId, newTag);
if (res != null)
{
return(newTag);
}
}
return(existingTag);
}
public async Task <bool> AddSubscribersToTagAsync(string tagId, List <string> subscriberIds)
{
var existingTag = await CreateTagAsync(tagId);
var newTag = existingTag;
var guid = new Guid();
foreach (var id in subscriberIds)
{
// CHECK TO SEE IF SUBSCRIBER ID IS A VALID GUID
if (Guid.TryParse(id, out guid))
{
if (!newTag.Subscribers.Contains(id))
{
newTag.Subscribers.Add(id);
}
}
}
var res = await CosmosDBRepository.UpdateItemAsync(Keys.CosmosDB.TagsCollectionId, newTag.id.ToString(), newTag);
if (res == null)
{
return(false);
}
return(true);
}
public async Task <bool> RemoveSubscribersFromTagAsync(string tagId, List <string> subscriberIds)
{
var existingTag = await CreateTagAsync(tagId);
var newTag = existingTag;
foreach (var id in subscriberIds)
{
if (newTag.Subscribers.Contains(id))
{
newTag.Subscribers.Remove(id);
}
}
var res = await CosmosDBRepository.UpdateItemAsync(Keys.CosmosDB.TagsCollectionId, newTag.id.ToString(), newTag);
if (res == null)
{
return(false);
}
return(true);
}
TagsService()
{
CosmosDBRepository.Initialize();
}
