public void AddLike(Likes like)
{
var ctx = new QuestionsDbContext(_connectionString);
ctx.Likes.Add(like);
ctx.SaveChanges();
}
public void AddQuestion(Question q, List <string> tags)
{
using var ctx = new QuestionsDbContext(_connectionString);
ctx.Questions.Add(q);
ctx.SaveChanges();
foreach (string tag in tags)
{
Tag t = GetTag(tag);
int tagId;
if (t == null)
{
tagId = AddTag(tag);
}
else
{
tagId = t.TagId;
}
ctx.QuestionsTags.Add(new QuestionsTags
{
QuestionId = q.Id,
TagId = tagId
});
}
ctx.SaveChanges();
}
public List <Question> GetQuestions()
{
using var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Questions.Include(q => q.Answers)
.Include(q => q.Likes)
.Include(q => q.QuestionsTags)
.ThenInclude(qt => qt.Tag)
.ToList());
}
public Question GetQuestion(int id)
{
using var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Questions.Include(q => q.Answers)
.ThenInclude(a => a.User)
.Include(q => q.Likes)
.Include(q => q.QuestionsTags)
.ThenInclude(qt => qt.Tag)
.FirstOrDefault(q => q.Id == id));
}
private int AddTag(string name)
{
using var ctx = new QuestionsDbContext(_connectionString);
var tag = new Tag {
TagName = name
};
ctx.Tags.Add(tag);
ctx.SaveChanges();
return(tag.TagId);
}
public void AddUser(string name, string email, string password)
{
string passwordHash = BCrypt.Net.BCrypt.HashPassword(password);
using var ctx = new QuestionsDbContext(_connectionString);
var user = new User {
Name = name, Email = email, PasswordHash = passwordHash
};
ctx.Users.Add(user);
ctx.SaveChanges();
}
public User GetByEmail(string email)
{
using var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Users.FirstOrDefault(u => u.Email == email));
}
public void AddAnswer(Answer a)
{
using var ctx = new QuestionsDbContext(_connectionString);
ctx.Answers.Add(a);
ctx.SaveChanges();
}
public string GetUserNameById(int id)
{
var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Users.Where(u => u.Id == id).Select(u => u.Name).FirstOrDefault());
}
private Tag GetTag(string name)
{
using var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Tags.FirstOrDefault(t => t.TagName == name));
}
public bool CanLike(int questionId, int userId)
{
var ctx = new QuestionsDbContext(_connectionString);
return(!ctx.Likes.Any(l => l.UserId == userId && l.QuestionId == questionId));
}
public int GetLikes(int questionId)
{
var ctx = new QuestionsDbContext(_connectionString);
return(ctx.Likes.Where(l => l.QuestionId == questionId).Count());
}
