refactor: extract Models and Data into MoneyMap.Core shared library

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-20 18:16:33 -04:00
parent d831991ad0
commit 3deca29f05
23 changed files with 59 additions and 7 deletions
@@ -0,0 +1,86 @@
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace MoneyMap.Models;
+
+[Index(nameof(Date), nameof(Amount), nameof(Name), nameof(Memo), nameof(AccountId), nameof(CardId), IsUnique = true)]
+public class Transaction
+{
+    [Key]
+    public long Id { get; set; }
+
+    [Required]
+    public DateTime Date { get; set; }
+
+    [MaxLength(20)]
+    public string TransactionType { get; set; } = string.Empty; // "DEBIT"/"CREDIT" if present
+
+    [MaxLength(200)]
+    public string Name { get; set; } = string.Empty;
+
+    [MaxLength(500)]
+    public string Memo { get; set; } = string.Empty;
+
+    [Column(TypeName = "decimal(18,2)")]
+    public decimal Amount { get; set; } // negative = debit, positive = credit
+
+    [MaxLength(100)]
+    public string Category { get; set; } = string.Empty;
+
+    // Merchant relationship
+    [ForeignKey(nameof(Merchant))]
+    public int? MerchantId { get; set; }
+    public Merchant? Merchant { get; set; }
+
+    public string Notes { get; set; } = string.Empty;
+
+    // Primary container: Every transaction belongs to an Account (the source of CSV)
+    [Required]
+    [ForeignKey(nameof(Account))]
+    public int AccountId { get; set; }
+    public Account Account { get; set; } = null!;
+
+    // Optional: Card used for this transaction (if it was a card payment)
+    [ForeignKey(nameof(Card))]
+    public int? CardId { get; set; }
+    public Card? Card { get; set; }
+
+    // Optional: For transfers between accounts, this links to the destination account
+    // This transaction is the "source" side of the transfer (debit)
+    // The matching transaction in the destination account has this AccountId as its TransferToAccountId
+    [ForeignKey(nameof(TransferToAccount))]
+    public int? TransferToAccountId { get; set; }
+    public Account? TransferToAccount { get; set; }
+
+    [MaxLength(4)]
+    public string? Last4 { get; set; } // parsed from Memo if present
+
+    public ICollection<Receipt> Receipts { get; set; } = new List<Receipt>();
+
+    [NotMapped] public bool IsCredit => Amount > 0;
+    [NotMapped] public bool IsDebit => Amount < 0;
+    [NotMapped] public bool IsTransfer => TransferToAccountId.HasValue;
+
+    [NotMapped]
+    public string PaymentMethodLabel
+    {
+        get
+        {
+            // Handle transfers
+            if (IsTransfer)
+            {
+                var toLabel = TransferToAccount?.DisplayLabel ?? "Unknown";
+                return $"Transfer → {toLabel}";
+            }
+
+            // If card was used, show just the card (since account is implied)
+            if (Card != null)
+                return Card.DisplayLabel;
+
+            // Direct account transaction (no card)
+            return Account?.DisplayLabel ?? $"···· {Last4}";
+        }
+    }
+}
+