2026-08-19 10:54:55 +07:00
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using Microsoft.EntityFrameworkCore;
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using WordVersioning.Api.Models;
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namespace WordVersioning.Api.Data;
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public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options)
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{
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public DbSet<Document> Documents => Set<Document>();
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public DbSet<DocumentVersion> DocumentVersions => Set<DocumentVersion>();
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2026-08-19 12:15:20 +07:00
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public DbSet<Template> Templates => Set<Template>();
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public DbSet<TemplateField> TemplateFields => Set<TemplateField>();
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public DbSet<DocumentFieldValue> DocumentFieldValues => Set<DocumentFieldValue>();
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2026-08-19 10:54:55 +07:00
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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modelBuilder.Entity<Document>(entity =>
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{
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entity.HasKey(x => x.Id);
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entity.Property(x => x.FileName).HasMaxLength(512);
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entity.Property(x => x.AddInSignature).HasMaxLength(64);
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2026-08-19 12:15:20 +07:00
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// FR-10: เอกสารผูกกับ template — Restrict เพราะ template ต้อง soft-delete เท่านั้น
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// (แถว Template ไม่ควรถูกลบจริงตรงๆ แต่กันไว้เผื่อมือสั่น)
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entity.HasOne(x => x.Template)
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.WithMany(t => t.Documents)
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.HasForeignKey(x => x.TemplateId)
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.OnDelete(DeleteBehavior.Restrict);
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2026-08-19 10:54:55 +07:00
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});
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modelBuilder.Entity<DocumentVersion>(entity =>
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{
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entity.HasKey(x => x.Id);
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// กัน versionNumber ซ้ำตอน upload พร้อมกัน (retry ที่ controller เมื่อชน constraint)
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entity.HasIndex(x => new { x.DocumentId, x.VersionNumber }).IsUnique();
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entity.Property(x => x.ObjectKey).HasMaxLength(1024);
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entity.Property(x => x.ContentHash).HasMaxLength(64);
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2026-08-20 22:05:49 +07:00
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entity.Property(x => x.Message).HasMaxLength(2048); // FR-13 commit message — นโยบายเดียวกับ Template.Description
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2026-08-19 10:54:55 +07:00
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entity.HasOne(x => x.Document)
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.WithMany(d => d.Versions)
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.HasForeignKey(x => x.DocumentId);
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});
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2026-08-19 12:15:20 +07:00
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modelBuilder.Entity<Template>(entity =>
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{
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entity.HasKey(x => x.Id);
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entity.Property(x => x.Name).HasMaxLength(256);
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entity.Property(x => x.Description).HasMaxLength(2048);
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entity.Property(x => x.ObjectKey).HasMaxLength(1024);
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entity.HasMany(x => x.Documents)
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.WithOne(d => d.Template)
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.HasForeignKey(d => d.TemplateId);
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});
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modelBuilder.Entity<TemplateField>(entity =>
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{
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entity.HasKey(x => x.Id);
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// Key = SDT tag ต้อง unique ต่อ template (spec ส่วน 9 เพิ่มเติม v2)
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entity.HasIndex(x => new { x.TemplateId, x.Key }).IsUnique();
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entity.Property(x => x.Key).HasMaxLength(256);
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entity.Property(x => x.Label).HasMaxLength(512);
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entity.Property(x => x.Type).HasMaxLength(16);
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entity.HasOne(x => x.Template)
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.WithMany(t => t.Fields)
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.HasForeignKey(x => x.TemplateId)
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.OnDelete(DeleteBehavior.Cascade);
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});
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modelBuilder.Entity<DocumentFieldValue>(entity =>
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{
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// latest value ต่อ (document, field) — ตาม spec ส่วน 7 ไม่มี Id แยก
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entity.HasKey(x => new { x.DocumentId, x.FieldKey });
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entity.Property(x => x.FieldKey).HasMaxLength(256);
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entity.HasOne<Document>()
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.WithMany()
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.HasForeignKey(x => x.DocumentId)
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.OnDelete(DeleteBehavior.Cascade);
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});
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2026-08-19 10:54:55 +07:00
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}
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}
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