WIP

BudgetApp/Data/ApplicationDbContext.cs

@@ -13,6 +13,7 @@ public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
     public DbSet<Account> Accounts => Set<Account>();
     public DbSet<Transaction> Transactions => Set<Transaction>();
     public DbSet<Category> Categories => Set<Category>();
+    public DbSet<Salary> Salaries => Set<Salary>();
 
     protected override void OnModelCreating(ModelBuilder builder)
     {
@@ -45,6 +46,11 @@ public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
              .HasForeignKey(t => t.ParentTransactionId)
              .OnDelete(DeleteBehavior.SetNull);
 
+            e.HasOne(t => t.Salary)
+             .WithMany()
+             .HasForeignKey(t => t.SalaryId)
+             .OnDelete(DeleteBehavior.SetNull);
+
             e.Property(t => t.Amount).HasColumnType("decimal(18,2)");
         });
 
@@ -55,5 +61,20 @@ public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
              .HasForeignKey(c => c.UserId)
              .OnDelete(DeleteBehavior.Cascade);
         });
+
+        builder.Entity<Salary>(e =>
+        {
+            e.HasOne(s => s.User)
+             .WithMany()
+             .HasForeignKey(s => s.UserId)
+             .OnDelete(DeleteBehavior.Cascade);
+
+            e.HasOne(s => s.Account)
+             .WithMany()
+             .HasForeignKey(s => s.AccountId)
+             .OnDelete(DeleteBehavior.Cascade);
+
+            e.Property(s => s.Amount).HasColumnType("decimal(18,2)");
+        });
     }
 }

BudgetApp/Data/Category.cs

@@ -17,5 +17,7 @@ public class Category
 
     public ApplicationUser User { get; set; } = default!;
 
+    public bool IsDefault { get; set; }
+
     public List<Transaction> Transactions { get; set; } = [];
 }

BudgetApp/Data/Salary.cs

@@ -0,0 +1,43 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BudgetApp.Data;
+
+public class Salary
+{
+    public int Id { get; set; }
+
+    [Required, MaxLength(200)]
+    public string Name { get; set; } = string.Empty;
+
+    public decimal Amount { get; set; }
+
+    public RecurrenceType RecurrenceType { get; set; } = RecurrenceType.Monthly;
+
+    public DateTime StartDate { get; set; } = DateTime.Today;
+
+    public int AccountId { get; set; }
+    public Account Account { get; set; } = default!;
+
+    public int? CategoryId { get; set; }
+    public Category? Category { get; set; }
+
+    [Required]
+    public string UserId { get; set; } = string.Empty;
+    public ApplicationUser User { get; set; } = default!;
+
+    public string GetPaydaySummary() => RecurrenceType switch
+    {
+        RecurrenceType.Weekly  => $"Every week on {StartDate:dddd}",
+        RecurrenceType.Monthly => $"Monthly on the {GetOrdinal(StartDate.Day)}",
+        RecurrenceType.Yearly  => $"Annually on {StartDate:MMMM d}",
+        _                      => RecurrenceType.ToString()
+    };
+
+    private static string GetOrdinal(int day) => day switch
+    {
+        1 or 21 or 31 => $"{day}st",
+        2 or 22        => $"{day}nd",
+        3 or 23        => $"{day}rd",
+        _              => $"{day}th"
+    };
+}

BudgetApp/Data/Transaction.cs

@@ -42,4 +42,9 @@ public class Transaction
 
     public int? CategoryId { get; set; }
     public Category? Category { get; set; }
+
+    public bool IsPaid { get; set; } = false;
+
+    public int? SalaryId { get; set; }
+    public Salary? Salary { get; set; }
 }