public TopicServiceModel GetAllTopicsBySearch(string input, int page = GlobalConstants.DefaultPageNumber)
{
var topicsFromDb = this.GetAllAsQueryable <TopicInfoViewModel>();
var matchingTopics = new List <TopicInfoViewModel>();
foreach (var topicFromDb in topicsFromDb)
{
var normalizedTitle = topicFromDb.Title.ToLower();
var normalizedContent = WebUtility.HtmlDecode(Regex.Replace(topicFromDb.Content, "<.*?>", string.Empty).ToLower());
if (normalizedTitle.Contains(input.ToLower()) || normalizedContent.Contains(input.ToLower()))
{
matchingTopics.Add(topicFromDb);
}
}
var topicsForPage = matchingTopics.OrderByDescending(c => c.CreatedOn).Skip((page - 1) * GlobalConstants.DefaultPageSize)
.Take(GlobalConstants.DefaultPageSize).ToList();
var serviceModel = new TopicServiceModel()
{
TotalTopicsCount = matchingTopics.Count(),
Topics = topicsForPage,
};
return(serviceModel);
}
public TopicServiceModel GetTopicsByCategoryName(string categoryName, int page = GlobalConstants.DefaultPageNumber)
{
var topics = this.GetAllAsQueryable <TopicInfoViewModel>()
.Where(t => t.CategoryName == categoryName)
.ToList();
var topicsForPage = topics.OrderByDescending(t => t.CreatedOn)
.Skip((page - 1) * GlobalConstants.DefaultPageSize)
.Take(GlobalConstants.DefaultPageSize);
var serviceModel = new TopicServiceModel()
{
TotalTopicsCount = topics.Count,
Topics = topicsForPage,
};
return(serviceModel);
}
public TopicServiceModel GetTrendingTopics(int page)
{
var topics = this.GetAllAsQueryable <TopicInfoViewModel>()
.Where(t => t.CreatedOn > DateTime.Now.AddDays(-7))
.OrderByDescending(t => t.Likes)
.ThenBy(x => x.Dislikes)
.ToList();
var topicsForPage = topics
.Skip((page - 1) * GlobalConstants.DefaultPageSize)
.Take(GlobalConstants.DefaultPageSize);
var topicsServiceModel = new TopicServiceModel()
{
TotalTopicsCount = topics.Count,
Topics = topicsForPage,
};
return(topicsServiceModel);
}
public TopicServiceModel GetTopicsOfFollowedUsers(string userId, int page)
{
var topics = this.userRepository
.All()
.Where(x => x.Id == userId)
.SelectMany(x => x.Following.SelectMany(x => x.FollowedUser.Topics))
.OrderByDescending(x => x.CreatedOn)
.AsQueryable()
.To <TopicInfoViewModel>()
.ToList();
var topicsForPage = topics
.Skip((page - 1) * GlobalConstants.DefaultPageSize)
.Take(GlobalConstants.DefaultPageSize);
var topicsServiceModel = new TopicServiceModel()
{
TotalTopicsCount = topics.Count(),
Topics = topicsForPage,
};
return(topicsServiceModel);
}
