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| 1 | +using FinTrack.Models; |
| 2 | +using Microsoft.EntityFrameworkCore; |
| 3 | +using System.IO; |
| 4 | + |
| 5 | +namespace FinTrack.Data |
| 6 | +{ |
| 7 | + public class AppDatabaseContext : DbContext |
| 8 | + { |
| 9 | + public AppDatabaseContext() { } |
| 10 | + |
| 11 | + public DbSet<UserModel> Users { get; set; } |
| 12 | + public DbSet<UserSettingsModel> UserSettings { get; set; } |
| 13 | + public DbSet<AccountModel> Accounts { get; set; } |
| 14 | + public DbSet<TransactionModel> Transactions { get; set; } |
| 15 | + public DbSet<CategoryModel> Categories { get; set; } |
| 16 | + public DbSet<BudgetModel> Budgets { get; set; } |
| 17 | + public DbSet<BudgetCategoryModel> BudgetCategories { get; set; } |
| 18 | + public DbSet<NotificationModel> Notifications { get; set; } |
| 19 | + |
| 20 | + protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) |
| 21 | + { |
| 22 | + if (!optionsBuilder.IsConfigured) |
| 23 | + { |
| 24 | + var userProfileFolder = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile); |
| 25 | + var dbPath = Path.Combine(userProfileFolder, "FinTrackWindows.db"); |
| 26 | + |
| 27 | + optionsBuilder.UseSqlite($"Data Source={dbPath}"); |
| 28 | + } |
| 29 | + } |
| 30 | + |
| 31 | + protected override void OnModelCreating(ModelBuilder modelBuilder) |
| 32 | + { |
| 33 | + base.OnModelCreating(modelBuilder); |
| 34 | + |
| 35 | + modelBuilder.Entity<UserModel>(entity => |
| 36 | + { |
| 37 | + entity.ToTable("Users"); |
| 38 | + |
| 39 | + entity.HasOne(u => u.UserSettings) |
| 40 | + .WithOne(s => s.User) |
| 41 | + .HasForeignKey<UserSettingsModel>(s => s.UserId) |
| 42 | + .OnDelete(DeleteBehavior.Cascade); |
| 43 | + |
| 44 | + entity.HasMany(u => u.Accounts) |
| 45 | + .WithOne(a => a.User) |
| 46 | + .HasForeignKey(a => a.UserId) |
| 47 | + .OnDelete(DeleteBehavior.Cascade); |
| 48 | + |
| 49 | + entity.HasMany(u => u.Categories) |
| 50 | + .WithOne(c => c.User) |
| 51 | + .HasForeignKey(c => c.UserId) |
| 52 | + .OnDelete(DeleteBehavior.Cascade); |
| 53 | + |
| 54 | + entity.HasMany(u => u.Transactions) |
| 55 | + .WithOne(t => t.User) |
| 56 | + .HasForeignKey(t => t.UserId) |
| 57 | + .OnDelete(DeleteBehavior.Cascade); |
| 58 | + |
| 59 | + entity.HasMany(u => u.Budgets) |
| 60 | + .WithOne(b => b.User) |
| 61 | + .HasForeignKey(b => b.UserId) |
| 62 | + .OnDelete(DeleteBehavior.Cascade); |
| 63 | + |
| 64 | + entity.HasMany(u => u.Notifications) |
| 65 | + .WithOne(n => n.User) |
| 66 | + .HasForeignKey(n => n.UserId) |
| 67 | + .OnDelete(DeleteBehavior.Cascade); |
| 68 | + }); |
| 69 | + |
| 70 | + modelBuilder.Entity<UserSettingsModel>(entity => |
| 71 | + { |
| 72 | + entity.ToTable("UserSettings"); |
| 73 | + entity.HasKey(s => s.Id); |
| 74 | + entity.Property(s => s.Id).ValueGeneratedOnAdd(); |
| 75 | + entity.HasIndex(s => s.UserId).IsUnique(); |
| 76 | + }); |
| 77 | + |
| 78 | + modelBuilder.Entity<AccountModel>(entity => |
| 79 | + { |
| 80 | + entity.ToTable("Accounts"); |
| 81 | + entity.HasKey(a => a.Id); |
| 82 | + entity.Property(a => a.Id).ValueGeneratedOnAdd(); |
| 83 | + entity.Property(a => a.Balance).HasColumnType("decimal(18, 2)").IsRequired(); |
| 84 | + entity.Property(a => a.Name).IsRequired(); |
| 85 | + entity.HasIndex(a => new { a.UserId, a.Name }).IsUnique(); |
| 86 | + }); |
| 87 | + |
| 88 | + modelBuilder.Entity<TransactionModel>(entity => |
| 89 | + { |
| 90 | + entity.ToTable("Transactions"); |
| 91 | + entity.HasKey(t => t.Id); |
| 92 | + entity.Property(t => t.Id).ValueGeneratedOnAdd(); |
| 93 | + entity.Property(t => t.Amount).HasColumnType("decimal(18, 2)").IsRequired(); |
| 94 | + entity.HasIndex(t => t.UserId); |
| 95 | + entity.HasIndex(t => t.CategoryId); |
| 96 | + entity.HasIndex(t => t.TransactionDateUtc); |
| 97 | + entity.HasIndex(t => t.AccountId); |
| 98 | + }); |
| 99 | + |
| 100 | + modelBuilder.Entity<CategoryModel>(entity => |
| 101 | + { |
| 102 | + entity.ToTable("Categories"); |
| 103 | + entity.HasKey(c => c.Id); |
| 104 | + entity.Property(c => c.Id).ValueGeneratedOnAdd(); |
| 105 | + entity.Property(c => c.Name).HasColumnName("CategoryName").IsRequired(); |
| 106 | + entity.Property(c => c.Type).HasColumnName("CategoryType").HasConversion<string>().IsRequired(); |
| 107 | + entity.HasIndex(c => new { c.UserId, c.Name, c.Type, }).IsUnique(); |
| 108 | + |
| 109 | + entity |
| 110 | + .HasMany(c => c.BudgetAllocations) |
| 111 | + .WithOne(bc => bc.Category) |
| 112 | + .HasForeignKey(bc => bc.CategoryId) |
| 113 | + .OnDelete(DeleteBehavior.Restrict); |
| 114 | + |
| 115 | + entity |
| 116 | + .HasMany(c => c.Transactions) |
| 117 | + .WithOne(t => t.Category) |
| 118 | + .HasForeignKey(t => t.CategoryId) |
| 119 | + .OnDelete(DeleteBehavior.Restrict); |
| 120 | + }); |
| 121 | + |
| 122 | + modelBuilder.Entity<BudgetModel>(entity => |
| 123 | + { |
| 124 | + entity.ToTable("Budgets"); |
| 125 | + entity.HasKey(b => b.Id); |
| 126 | + entity.Property(b => b.Id).ValueGeneratedOnAdd(); |
| 127 | + entity.Property(b => b.Name).HasColumnName("BudgetName").IsRequired(); |
| 128 | + entity.Property(b => b.Description).IsRequired(false); |
| 129 | + |
| 130 | + entity.HasMany(b => b.BudgetCategories).WithOne(bc => bc.Budget).HasForeignKey(bc => bc.BudgetId).OnDelete(DeleteBehavior.Cascade); |
| 131 | + }); |
| 132 | + |
| 133 | + modelBuilder.Entity<BudgetCategoryModel>(entity => |
| 134 | + { |
| 135 | + entity.ToTable("BudgetCategories"); |
| 136 | + entity.HasKey(bc => bc.Id); |
| 137 | + entity.Property(bc => bc.Id).ValueGeneratedOnAdd(); |
| 138 | + entity.Property(bc => bc.AllocatedAmount).HasColumnType("decimal(18, 2)").IsRequired(); |
| 139 | + entity.HasIndex(bc => new { bc.BudgetId, bc.CategoryId }).IsUnique(); |
| 140 | + }); |
| 141 | + |
| 142 | + modelBuilder.Entity<NotificationModel>(entity => |
| 143 | + { |
| 144 | + entity.ToTable("Notifications"); |
| 145 | + entity.HasKey(n => n.NotificationId); |
| 146 | + entity.Property(n => n.NotificationId).ValueGeneratedOnAdd(); |
| 147 | + entity.Property(n => n.MessageHead).IsRequired().HasMaxLength(200); |
| 148 | + entity.Property(n => n.MessageBody).IsRequired().HasMaxLength(1000); |
| 149 | + entity.Property(n => n.CreatedAtUtc).IsRequired().HasDefaultValueSql("CURRENT_TIMESTAMP"); |
| 150 | + entity.Property(n => n.IsRead).IsRequired().HasDefaultValue(false); |
| 151 | + entity.HasIndex(n => n.UserId); |
| 152 | + }); |
| 153 | + } |
| 154 | + } |
| 155 | +} |
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