public void Check_Searching_Posts_By_Criterias()
{
// Arrange
var posts = new List <Post>();
var postService = new PostService(dbContext, mapper);
for (int i = 0; i < NUMBER_OF_RECENT_POSTS; i++)
{
var newPost = new Post()
{
CategoryId = i,
CreatedOn = DateTime.Now,
TagId = i,
Title = $"Random Title {i}",
Description = $"Random Description {i}",
};
posts.Add(newPost);
}
this.dbContext.Posts.AddRange(posts);
this.dbContext.SaveChanges();
var searchQuery = new SearchPostDTO()
{
SearchQuery = "random"
};
// Act
var foundPosts = postService.SearchPosts(searchQuery);
//Assert
Assert.AreEqual(foundPosts.Count, posts.Count);
}
/// <summary>
/// Searching for posts using 3 properties - search query, category and tag.
/// If it finds one of them, it will return a collection of posts matching the criteria.
/// It is displayed on the home page
/// </summary>
/// <param name="searchParams"></param>
/// <returns>A collection with posts</returns>
public ICollection <PostDTO> SearchPosts(SearchPostDTO searchParams)
{
using (DbContext)
{
var posts = DbContext.Posts
.Where(e => (e.Title.Contains(searchParams.SearchQuery) || e.Description.Contains(searchParams.SearchQuery)) ||
e.Tag.Name == searchParams.Tag ||
e.Category.Name == searchParams.Category)
.Select(r => new PostDTO()
{
Category = r.Category.Name,
CreatedOn = r.CreatedOn,
Tag = r.Tag.Name,
Title = r.Title,
Description = r.Description,
UserName = r.User.UserName,
Id = r.Id
}).ToList();
return(posts);
}
}