Merge pull request #18 from Team-Kaleidoscope/devv0.1

First stage: Complete. Awaiting further progress...

1 files changed, 108 insertions, 0 deletions

diff --git a/src/DevHive.Data/Repositories/UserRepository.cs b/src/DevHive.Data/Repositories/UserRepository.cs
new file mode 100644
index 0000000..6e97e60
--- /dev/null
+++ b/src/DevHive.Data/Repositories/UserRepository.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Threading.Tasks;
+using AutoMapper.Mappers;
+using DevHive.Data.Interfaces.Repositories;
+using DevHive.Data.Models;
+using DevHive.Data.RelationModels;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+
+namespace DevHive.Data.Repositories
+{
+	public class UserRepository : BaseRepository<User>, IUserRepository
+	{
+		private readonly DevHiveContext _context;
+
+		public UserRepository(DevHiveContext context)
+			: base(context)
+		{
+			this._context = context;
+		}
+
+		#region Read
+		public override async Task<User> GetByIdAsync(Guid id)
+		{
+			return await this._context.Users
+				.Include(x => x.Roles)
+				.Include(x => x.Languages)
+				.Include(x => x.Technologies)
+				.Include(x => x.Posts)
+				.Include(x => x.Friends)
+				.Include(x => x.ProfilePicture)
+				.FirstOrDefaultAsync(x => x.Id == id);
+		}
+
+		public async Task<User> GetByUsernameAsync(string username)
+		{
+			return await this._context.Users
+				.Include(x => x.Roles)
+				.Include(x => x.Languages)
+				.Include(x => x.Technologies)
+				.Include(x => x.Posts)
+				.Include(x => x.Friends)
+				.Include(x => x.ProfilePicture)
+				.FirstOrDefaultAsync(x => x.UserName == username);
+		}
+		#endregion
+
+		#region Update
+		public async Task<bool> UpdateProfilePicture(Guid userId, string pictureUrl)
+		{
+			User user = await this.GetByIdAsync(userId);
+
+			user.ProfilePicture.PictureURL = pictureUrl;
+
+			return await this.SaveChangesAsync();
+		}
+		#endregion
+
+		#region Validations
+		public async Task<bool> DoesUserExistAsync(Guid id)
+		{
+			return await this._context.Users
+				.AsNoTracking()
+				.AnyAsync(x => x.Id == id);
+		}
+
+		public async Task<bool> DoesUsernameExistAsync(string username)
+		{
+			return await this._context.Users
+				.AsNoTracking()
+				.AnyAsync(u => u.UserName == username);
+		}
+
+		public async Task<bool> DoesEmailExistAsync(string email)
+		{
+			return await this._context.Users
+				.AsNoTracking()
+				.AnyAsync(u => u.Email == email);
+		}
+
+		public async Task<bool> ValidateFriendsCollectionAsync(List<string> usernames)
+		{
+			bool valid = true;
+
+			foreach (var username in usernames)
+			{
+				if (!await this._context.Users.AnyAsync(x => x.UserName == username))
+				{
+					valid = false;
+					break;
+				}
+			}
+			return valid;
+		}
+
+		public bool DoesUserHaveThisUsername(Guid id, string username)
+		{
+			return this._context.Users
+				.AsNoTracking()
+				.Any(x => x.Id == id &&
+					x.UserName == username);
+		}
+		#endregion
+	}
+}