Add multilingual profile support with unique index on AccountName and Language

Author: XIYUEKONGLING

OpenBioCardServer/Constants/CacheKeys.cs

@@ -9,9 +9,11 @@ public static string GetProfileCacheKey(string username)
         return $"Profile:{username.Trim().ToLowerInvariant()}";
     }
 
-    public static string GetClassicProfileCacheKey(string username)
+    public static string GetClassicProfileCacheKey(string accountName, string? language = null)
     {
-        return $"Classic:Profile:{username.Trim().ToLowerInvariant()}";
+        // 如果 Language 为 NULL 或空，使用 "@Default" 作为后缀
+        var langKey = string.IsNullOrWhiteSpace(language) ? "@Default" : language.Trim().ToLowerInvariant();
+        return $"Classic:Profile:{accountName.Trim().ToLowerInvariant()}:{langKey}";
     }
 
 }

OpenBioCardServer/Controllers/Classic/ClassicAdminController.cs

@@ -198,6 +198,7 @@ public async Task<IActionResult> CreateUser([FromBody] ClassicCreateUserRequest
             {
                 AccountId = newAccount.Id,
                 AccountName = request.NewUsername,
+                Language = null,
                 AvatarType = AssetType.Text,
                 AvatarText = "👤"
             };

OpenBioCardServer/Data/AppDbContext.cs

@@ -34,16 +34,13 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
         // Account configuration
         modelBuilder.Entity<Account>(entity =>
         {
-            // Unique index on Username for fast lookup
             entity.HasIndex(e => e.AccountName).IsUnique();
 
-            // One-to-One with Profile
-            entity.HasOne(e => e.Profile)
+            entity.HasMany(e => e.Profiles)
                 .WithOne(e => e.Account)
-                .HasForeignKey<ProfileEntity>(e => e.AccountId)
+                .HasForeignKey(e => e.AccountId)
                 .OnDelete(DeleteBehavior.Cascade);
 
-            // One-to-Many with Tokens
             entity.HasMany(e => e.Tokens)
                 .WithOne(e => e.Account)
                 .HasForeignKey(e => e.AccountId)
@@ -64,7 +61,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
         modelBuilder.Entity<ProfileEntity>(entity =>
         {
             // Unique index on Username (redundant with Account but useful)
-            entity.HasIndex(e => e.AccountName).IsUnique();
+            entity.HasIndex(e => new { e.AccountName, e.Language }).IsUnique();
 
             // One-to-Many relationships with all child entities
             entity.HasMany(e => e.Contacts)

OpenBioCardServer/Models/Entities/Account.cs

@@ -28,6 +28,6 @@ public class Account
     public DateTime LastLogin { get; set; } = DateTime.UtcNow;
 
     // Navigation properties
-    public ProfileEntity? Profile { get; set; }
+    public ICollection<ProfileEntity> Profiles { get; set; } = new List<ProfileEntity>();
     public ICollection<Token> Tokens { get; set; } = new List<Token>();
 }

OpenBioCardServer/Services/ClassicProfileService.cs

@@ -44,7 +44,7 @@ public ClassicProfileService(
                     .Include(p => p.WorkExperiences)
                     .Include(p => p.SchoolExperiences)
                     .Include(p => p.Gallery)
-                    .FirstOrDefaultAsync(p => p.AccountName == username, token);
+                    .FirstOrDefaultAsync(p => p.AccountName == username && p.Language == null, token);
                 return profile == null ? null : ClassicMapper.ToClassicProfile(profile);
             });
     }
@@ -102,7 +102,7 @@ public async Task<bool> UpdateProfileAsync(string username, ClassicProfile reque
         {
             var profile = await _context.Profiles
                 .AsTracking()
-                .FirstOrDefaultAsync(p => p.AccountName == username);
+                .FirstOrDefaultAsync(p => p.AccountName == username && p.Language == null);
 
             if (profile == null)
             {
@@ -187,7 +187,7 @@ public async Task<bool> PatchProfileAsync(string username, ClassicProfilePatch p
         {
             var profile = await _context.Profiles
                 .AsTracking()
-                .FirstOrDefaultAsync(p => p.AccountName == username);
+                .FirstOrDefaultAsync(p => p.AccountName == username && p.Language == null);
 
             if (profile == null)
             {

OpenBioCardServer/Services/ProfileService.cs

@@ -44,7 +44,7 @@ public ProfileService(
                     .Include(p => p.WorkExperiences)
                     .Include(p => p.SchoolExperiences)
                     .Include(p => p.Gallery)
-                    .FirstOrDefaultAsync(p => p.AccountName == username, token);
+                    .FirstOrDefaultAsync(p => p.AccountName == username && p.Language == null, token);
 
                 return profile == null ? null : DataMapper.ToProfileDto(profile);
             });
@@ -64,7 +64,7 @@ public ProfileService(
             .Include(p => p.WorkExperiences)
             .Include(p => p.SchoolExperiences)
             .Include(p => p.Gallery)
-            .FirstOrDefaultAsync(p => p.AccountId == accountId);
+            .FirstOrDefaultAsync(p => p.AccountId == accountId && p.Language == null);
 
         return profile == null ? null : DataMapper.ToProfileDto(profile);
     }
@@ -79,7 +79,7 @@ public async Task<bool> UpdateProfileAsync(string username, ProfileDto request)
         try
         {
             var profile = await _context.Profiles
-                .FirstOrDefaultAsync(p => p.AccountName == username);
+                .FirstOrDefaultAsync(p => p.AccountName == username && p.Language == null);
 
             if (profile == null)
             {