public IQueryable <PostDetailModel> GetByTags(string tags, string sessionKey)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
VerifySessionKey(sessionKey);
if (tags == null)
{
throw new InvalidOperationException("Incorrect tags data");
}
string[] tagsConstraintSplit = tags.ToLower().Split(new string[] { "," }, StringSplitOptions.None);
if (tagsConstraintSplit.Length == 0)
{
throw new InvalidOperationException("Incorrect tags data");
}
HashSet <string> tagsConstraint = new HashSet <string>();
tagsConstraint.UnionWith(tagsConstraintSplit);
IRepository <Post> postRepository = this.data.GetPostsRepository();
IQueryable <Post> posts = postRepository.GetConstraint(p => p.Tags.Select(t => t.Name).Intersect(tagsConstraint).Count() == tagsConstraint.Count());
IQueryable <PostDetailModel> postsModels = ModelFunctions.GetPostsDetails(posts);
return(postsModels.OrderByDescending(p => p.PostDate));
});
return(responseMsg);
}
public IQueryable <PostDetailModel> GetPosts(string sessionKey, int id)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
VerifySessionKey(sessionKey);
IRepository <Tag> tagRepository = this.data.GetTagsRepository();
Tag tag = tagRepository.Get(id);
if (tag == null)
{
throw new InvalidOperationException("No such tag");
}
IRepository <Post> postRepository = this.data.GetPostsRepository();
IQueryable <Post> posts = postRepository.GetConstraint(p => p.Tags.Any(t => t.TagId == id));
IQueryable <PostDetailModel> postsModels = ModelFunctions.GetPostsDetails(posts);
return(postsModels.OrderByDescending(p => p.PostDate));
});
return(responseMsg);
}
public IQueryable <PostDetailModel> Get(string keyword, string sessionKey)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
VerifySessionKey(sessionKey);
IRepository <Post> postRepository = this.data.GetPostsRepository();
IQueryable <Post> posts = postRepository.GetConstraint(p => p.Title.ToLower().IndexOf(keyword.ToLower()) != -1);
IQueryable <PostDetailModel> postsModels = ModelFunctions.GetPostsDetails(posts);
return(postsModels.OrderByDescending(p => p.PostDate));
});
return(responseMsg);
}
public IQueryable <PostDetailModel> Get(string sessionKey)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
VerifySessionKey(sessionKey);
IRepository <Post> postRepository = this.data.GetPostsRepository();
IQueryable <Post> posts = postRepository.All();
IQueryable <PostDetailModel> postsModels = ModelFunctions.GetPostsDetails(posts);
return(postsModels.OrderByDescending(p => p.PostDate));
});
return(responseMsg);
}