refactor: extract Models and Data into MoneyMap.Core shared library
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
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using Microsoft.EntityFrameworkCore;
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using MoneyMap.Models;
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namespace MoneyMap.Data
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{
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public class MoneyMapContext : DbContext
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{
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public MoneyMapContext(DbContextOptions<MoneyMapContext> options) : base(options) { }
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public DbSet<Card> Cards => Set<Card>();
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public DbSet<Account> Accounts => Set<Account>();
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public DbSet<Transaction> Transactions => Set<Transaction>();
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public DbSet<Transfer> Transfers => Set<Transfer>();
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public DbSet<Receipt> Receipts => Set<Receipt>();
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public DbSet<ReceiptParseLog> ReceiptParseLogs => Set<ReceiptParseLog>();
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public DbSet<ReceiptLineItem> ReceiptLineItems => Set<ReceiptLineItem>();
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public DbSet<CategoryMapping> CategoryMappings => Set<CategoryMapping>();
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public DbSet<Merchant> Merchants => Set<Merchant>();
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public DbSet<Budget> Budgets => Set<Budget>();
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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// ---------- CARD ----------
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modelBuilder.Entity<Card>(e =>
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{
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e.Property(x => x.Issuer).HasMaxLength(100).IsRequired();
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e.Property(x => x.Last4).HasMaxLength(4).IsRequired();
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e.Property(x => x.Owner).HasMaxLength(100).IsRequired();
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e.Property(x => x.Nickname).HasMaxLength(50);
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// Card can be linked to an account (optional - for credit cards without linked account)
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e.HasOne(x => x.Account)
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.WithMany(a => a.Cards)
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.HasForeignKey(x => x.AccountId)
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired(false);
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e.HasIndex(x => new { x.Issuer, x.Last4, x.Owner });
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e.HasIndex(x => x.AccountId);
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});
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// ---------- ACCOUNT ----------
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modelBuilder.Entity<Account>(e =>
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{
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e.Property(x => x.Institution).HasMaxLength(100).IsRequired();
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e.Property(x => x.Last4).HasMaxLength(4).IsRequired();
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e.Property(x => x.Owner).HasMaxLength(100).IsRequired();
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e.Property(x => x.Nickname).HasMaxLength(50);
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e.HasIndex(x => new { x.Institution, x.Last4, x.Owner });
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});
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// ---------- TRANSACTION ----------
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modelBuilder.Entity<Transaction>(e =>
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{
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e.Property(x => x.TransactionType).HasMaxLength(20);
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e.Property(x => x.Name).HasMaxLength(200).IsRequired();
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e.Property(x => x.Memo).HasMaxLength(500).HasDefaultValue(string.Empty);
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e.Property(x => x.Amount).HasColumnType("decimal(18,2)");
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e.Property(x => x.Category).HasMaxLength(100);
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e.Property(x => x.Last4).HasMaxLength(4);
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// Card (optional). If a card is deleted, block delete when txns exist.
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e.HasOne(x => x.Card)
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.WithMany(c => c.Transactions)
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.HasForeignKey(x => x.CardId)
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired(false);
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// Account (optional). If an account is deleted, block delete when txns exist.
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e.HasOne(x => x.Account)
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.WithMany(a => a.Transactions)
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.HasForeignKey(x => x.AccountId)
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired(false);
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// Merchant (optional). If a merchant is deleted, set to null.
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e.HasOne(x => x.Merchant)
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.WithMany(m => m.Transactions)
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.HasForeignKey(x => x.MerchantId)
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.OnDelete(DeleteBehavior.SetNull)
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.IsRequired(false);
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});
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// ---------- TRANSFER ----------
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modelBuilder.Entity<Transfer>(e =>
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{
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e.Property(x => x.Amount).HasColumnType("decimal(18,2)");
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e.Property(x => x.Description).HasMaxLength(500);
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// Source account (optional - can be "Unknown")
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e.HasOne(x => x.SourceAccount)
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.WithMany(a => a.SourceTransfers)
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.HasForeignKey(x => x.SourceAccountId)
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired(false);
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// Destination account (optional - can be "Unknown")
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e.HasOne(x => x.DestinationAccount)
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.WithMany(a => a.DestinationTransfers)
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.HasForeignKey(x => x.DestinationAccountId)
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired(false);
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// Original transaction link (optional)
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e.HasOne(x => x.OriginalTransaction)
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.WithMany()
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.HasForeignKey(x => x.OriginalTransactionId)
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.OnDelete(DeleteBehavior.SetNull)
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.IsRequired(false);
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e.HasIndex(x => x.Date);
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e.HasIndex(x => x.SourceAccountId);
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e.HasIndex(x => x.DestinationAccountId);
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});
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// ---------- RECEIPT ----------
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modelBuilder.Entity<Receipt>(e =>
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{
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e.Property(x => x.FileName).HasMaxLength(260).IsRequired();
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e.Property(x => x.ContentType).HasMaxLength(100).HasDefaultValue("application/octet-stream");
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e.Property(x => x.StoragePath).HasMaxLength(1024).IsRequired();
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e.Property(x => x.FileHashSha256).HasMaxLength(64).IsRequired();
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e.Property(x => x.Merchant).HasMaxLength(200);
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e.Property(x => x.Subtotal).HasColumnType("decimal(18,2)");
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e.Property(x => x.Tax).HasColumnType("decimal(18,2)");
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e.Property(x => x.Total).HasColumnType("decimal(18,2)");
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e.Property(x => x.Currency).HasMaxLength(8);
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e.Property(x => x.ParseStatus).HasDefaultValue(ReceiptParseStatus.NotRequested);
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e.HasIndex(x => x.ParseStatus);
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// Receipt can optionally belong to a Transaction. If txn is deleted, cascade remove receipts.
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e.HasOne(x => x.Transaction)
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.WithMany(t => t.Receipts)
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.HasForeignKey(x => x.TransactionId)
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.OnDelete(DeleteBehavior.Cascade)
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.IsRequired(false);
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});
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// ---------- RECEIPT PARSE LOG ----------
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modelBuilder.Entity<ReceiptParseLog>(e =>
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{
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e.Property(x => x.Provider).HasMaxLength(50).IsRequired();
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e.Property(x => x.Model).HasMaxLength(100).IsRequired();
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e.Property(x => x.ProviderJobId).HasMaxLength(100);
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e.Property(x => x.ExtractedTextPath).HasMaxLength(1024);
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e.HasOne(x => x.Receipt)
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.WithMany(r => r.ParseLogs)
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.HasForeignKey(x => x.ReceiptId)
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.OnDelete(DeleteBehavior.Cascade);
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});
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// ---------- RECEIPT LINE ITEM ----------
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modelBuilder.Entity<ReceiptLineItem>(e =>
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{
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e.Property(x => x.Description).HasMaxLength(300).IsRequired();
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e.Property(x => x.Unit).HasMaxLength(16);
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e.Property(x => x.UnitPrice).HasColumnType("decimal(18,4)");
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e.Property(x => x.LineTotal).HasColumnType("decimal(18,2)");
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e.Property(x => x.Sku).HasMaxLength(64);
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e.Property(x => x.Category).HasMaxLength(100);
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e.HasOne(x => x.Receipt)
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.WithMany(r => r.LineItems)
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.HasForeignKey(x => x.ReceiptId)
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.OnDelete(DeleteBehavior.Cascade);
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});
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// ---------- MERCHANT ----------
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modelBuilder.Entity<Merchant>(e =>
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{
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e.Property(x => x.Name).HasMaxLength(100).IsRequired();
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e.HasIndex(x => x.Name).IsUnique();
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});
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// ---------- CATEGORY MAPPING ----------
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modelBuilder.Entity<CategoryMapping>(e =>
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{
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e.Property(x => x.Category).HasMaxLength(100).IsRequired();
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e.Property(x => x.Pattern).HasMaxLength(200).IsRequired();
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e.Property(x => x.Confidence).HasColumnType("decimal(5,4)"); // 0.0000 to 1.0000
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e.Property(x => x.CreatedBy).HasMaxLength(50);
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// Merchant (optional). If a merchant is deleted, set to null.
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e.HasOne(x => x.Merchant)
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.WithMany(m => m.CategoryMappings)
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.HasForeignKey(x => x.MerchantId)
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.OnDelete(DeleteBehavior.SetNull)
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.IsRequired(false);
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});
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// ---------- Extra SQL Server–friendly indexes ----------
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// Fast filtering by date/amount/category
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modelBuilder.Entity<Transaction>().HasIndex(x => x.Date);
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modelBuilder.Entity<Transaction>().HasIndex(x => x.Amount);
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modelBuilder.Entity<Transaction>().HasIndex(x => x.Category);
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modelBuilder.Entity<Transaction>().HasIndex(x => x.MerchantId);
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// Composite indexes for common query patterns
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modelBuilder.Entity<Transaction>().HasIndex(x => new { x.AccountId, x.Category });
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modelBuilder.Entity<Transaction>().HasIndex(x => new { x.AccountId, x.Date });
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modelBuilder.Entity<Transaction>().HasIndex(x => new { x.MerchantId, x.Date });
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modelBuilder.Entity<Transaction>().HasIndex(x => new { x.CardId, x.Date });
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// Receipt duplicate detection and lookup
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modelBuilder.Entity<Receipt>().HasIndex(x => x.FileHashSha256);
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modelBuilder.Entity<Receipt>().HasIndex(x => new { x.TransactionId, x.ReceiptDate });
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// ---------- BUDGET ----------
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modelBuilder.Entity<Budget>(e =>
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{
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e.Property(x => x.Category).HasMaxLength(100);
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e.Property(x => x.Amount).HasColumnType("decimal(18,2)");
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e.Property(x => x.Notes).HasMaxLength(500);
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// Only one active budget per category per period
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// Null category = total budget, so we use a filtered unique index
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e.HasIndex(x => new { x.Category, x.Period })
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.HasFilter("[IsActive] = 1")
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.IsUnique();
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});
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}
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}
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}
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