AspDiary/DiaryApp/Data/ApplicationDbContext.cs

using DiaryApp.Models;
using Microsoft.EntityFrameworkCore;

namespace DiaryApp.Data
{
    public class ApplicationDbContext : DbContext
    {
        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : base(options)
        {
        }
        public DbSet<DiaryEntry> DiaryEntries { get; set; } = null!;

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            base.OnModelCreating(modelBuilder);
            modelBuilder.Entity<DiaryEntry>().HasData(
                new DiaryEntry
                {
                    Id = 1,
                    Title = "Went Hiking",
                    Content = "Went hiking with Joe!",
                    DateCreated = DateTime.Parse("2026-01-01 10:32")
                },
                new DiaryEntry
                {
                    Id = 2,
                    Title = "Went Shoping",
                    Content = "Went Shoping with Joe!",
                    DateCreated = DateTime.Parse("2026-01-10 08:32")
                },
                new DiaryEntry
                {
                    Id = 3,
                    Title = "Went Swimming",
                    Content = "Went Swimming with Joe!",
                    DateCreated = DateTime.Parse("2026-01-15 15:42")
                },
                new DiaryEntry
                {
                    Id = 4,
                    Title = "Went Biking",
                    Content = "Went Biking with Joe!",
                    DateCreated = DateTime.Parse("2026-01-17 12:00")
                }
            );
        }



        // Four steps to add a table
        // 1. Create a Model Class
        // 2. Add DB-set
        // 3. add-migration AddDiaryEntryTable
        // 4. update-database
    }
}