feat: create object representations for working with the sql db (e3b24fc1) · Commits · Martina Kozlová / PV178-Project

Models/Exercise.cs

0 → 100644

+19 −0

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		using System;
		using System.Collections.Generic;
		using System.Linq;
		using System.Text;
		using System.Threading.Tasks;
		using System.ComponentModel.DataAnnotations;


		namespace JuanLog.Models
		{
		public partial class Exercise
		{
		[Key]
		public int ExerciseId { get; set; }
		public int CategoryId { get; set; }
		public required string Name { get; set; }

		}
		}

Models/ExerciseCategory.cs

+5 −24

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		using System;
		using System.Collections.Generic;
		using System.Linq;
		using System.Text;
		using System.Threading.Tasks;
		using System.ComponentModel.DataAnnotations;

		namespace JuanLog.Models
		{
		public static class ExerciseCategory
		public partial class ExerciseCategory
		{
		public static HashSet<string> ExerciseCategories = new()
		{
		"Arm strength",
		"Back exercise",
		"Upper leg exercise",
		"Stretching",
		"Funny quirky movement",
		};

		public static bool addCategory(string newCategory)
		{
		return ExerciseCategories.Add(newCategory);
		}

		public static bool removeCategory(string newCategory)
		{
		return ExerciseCategories.Remove(newCategory);
		}
		[Key]
		public int CategoryId { get; set; }
		public required string Name { get; set; }
		}
		}

Models/ExerciseEntry.cs

+10 −20

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		using System;
		using System.Collections.Generic;
		using System.ComponentModel.DataAnnotations;
		using System.Linq;
		using System.Text;
		using System.Threading.Tasks;
		using CommunityToolkit.Mvvm.Input;

		namespace JuanLog.Models
		{
		public class ExerciseEntry
		public partial class ExerciseEntry
		{
		private string connectionString = @"server=(localdb)\MSSQLLocalDB; Initial Catalog=JuanLogDB; Integrated Security=true";
		private DateTime _date;
		private string _category;
		private int _weight;
		private int _reps;
		private int _sets;
		public ExerciseEntry(DateTime date, string category, int weight, int reps, int sets)
		{
		if (!ExerciseCategory.ExerciseCategories.Contains(category))
		{
		throw new ArgumentException("Tato kategorie neexistuje, Juane, budeš ji muset vytvořit.");
		}

		_date = date;
		_category = category;
		_weight = weight;
		_reps = reps;
		_sets = sets;
		}
		[Key]
		public int EntryId { get; set; }
		public int UserId { get; set; }
		public int ExerciseId { get; set; }
		public DateTime When { get; set; }
		public int Weight { get; set; }
		public int RepKey { get; set; }
		}
		}

Models/JuanLogDBContext.cs

+5 −48

Original line number	Diff line number	Diff line
		@@ -14,6 +14,10 @@ namespace JuanLog.Models
		private string connectionString = @"server=(localdb)\MSSQLLocalDB; Initial Catalog=JuanLogDB; Integrated Security=true";

		public DbSet<User> Users { get; set; }
		public DbSet<ExerciseEntry> ExerciseEntries { get; set; }
		public DbSet<Exercise> Exercises { get; set; }
		public DbSet<ExerciseCategory> ExerciseCategories { get; set; }
		public DbSet<Set> SetTable { get; set; }

		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
		{
		@@ -22,53 +26,6 @@ namespace JuanLog.Models
		Debug.WriteLine("Anyway, connection established");
		}

		public User? CheckUserPassword(string user, string password)
		{
		Debug.WriteLine("Entered pwd checker");
		using var db = new JuanLogDBContext();

		Debug.WriteLine(user);
		Debug.WriteLine(user == null);
		List<User> matchingUsers = db.Users.Where(u => u.Name == user).ToList();

		if (matchingUsers.Count == 0) { Debug.WriteLine("Ended with no user ://"); return null; }

		User activeUser = matchingUsers.First();
		Debug.WriteLine("eee... got the user");

		string actualHashedPassword = activeUser.HashedPassword;
		Debug.WriteLine("Received hashed pwd");

		byte[] hashBytes = Convert.FromBase64String(actualHashedPassword);

		// RETRIEVE SALT
		byte[] salt = new byte[16];
		Array.Copy(hashBytes, 0, salt, 0, 16);
		Debug.WriteLine("Got salt");

		// HASH THE CLAIMED PASSWORD WITH SALT
		var hashMaker = new Rfc2898DeriveBytes(password, salt, 100000, HashAlgorithmName.SHA256);
		byte[] hash = hashMaker.GetBytes(16);

		Debug.WriteLine("compare hash made");
		byte[] combinedBytes = new byte[32];
		Array.Copy(salt, 0, combinedBytes, 0, 16);
		Array.Copy(hash, 0, combinedBytes, 16, 16);
		string hashedPassword = Convert.ToBase64String(combinedBytes);

		Debug.WriteLine("Magiccc!");
		// COMPARE HASHES
		if (hashedPassword != actualHashedPassword)
		{
		Debug.WriteLine("Wrong password");
		Debug.WriteLine(hashedPassword);
		Debug.WriteLine(actualHashedPassword);
		return null;
		}

		Debug.WriteLine("Returned from here with user");
		return activeUser;

		}
		}
		}

Models/Set.cs

0 → 100644

+14 −0

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		using System.ComponentModel.DataAnnotations;


		namespace JuanLog.Models
		{
		public partial class Set
		{
		[Key]
		public int SetId { get; set; }
		public int EntryId { get; set; }
		public int Repetitions { get; set; }

		}
		}