✨ Sticker pack ownerships

DysonNetwork.Sphere/Sticker/Sticker.cs

@@ -1,5 +1,7 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.Json.Serialization;
+using DysonNetwork.Pass.Account;
 using DysonNetwork.Shared.Data;
 using Microsoft.EntityFrameworkCore;
 
@@ -13,11 +15,11 @@ public class Sticker : ModelBase, IIdentifiedResource
 
     // Outdated fields, for backward compability
     [MaxLength(32)] public string? ImageId { get; set; }
-    
+
     [Column(TypeName = "jsonb")] public CloudFileReferenceObject? Image { get; set; } = null!;
-    
+
     public Guid PackId { get; set; }
-    public StickerPack Pack { get; set; } = null!;
+    [JsonIgnore] public StickerPack Pack { get; set; } = null!;
 
     public string ResourceIdentifier => $"sticker:{Id}";
 }
@@ -29,8 +31,19 @@ public class StickerPack : ModelBase
     [MaxLength(1024)] public string Name { get; set; } = null!;
     [MaxLength(4096)] public string Description { get; set; } = string.Empty;
     [MaxLength(128)] public string Prefix { get; set; } = null!;
-    
+
+    public List<Sticker> Stickers { get; set; } = new();
+
     public Guid PublisherId { get; set; }
     public Publisher.Publisher Publisher { get; set; } = null!;
 }
 
+public class StickerPackOwnership : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public Guid PackId { get; set; }
+    public StickerPack Pack { get; set; } = null!;
+    public Guid AccountId { get; set; }
+    [NotMapped] public Account Account { get; set; } = null!;
+}

DysonNetwork.Sphere/Sticker/StickerController.cs

@@ -3,6 +3,7 @@ using DysonNetwork.Shared.Auth;
 using DysonNetwork.Shared.Data;
 using DysonNetwork.Shared.Proto;
 using DysonNetwork.Sphere.Publisher;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 
@@ -61,6 +62,25 @@ public class StickerController(AppDatabase db, StickerService st, FileService.Fi
         return Ok(packs);
     }
 
+    [HttpGet("me")]
+    [Authorize]
+    public async Task<ActionResult<List<StickerPackOwnership>>> ListStickerPacksOwned()
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+        var accountId = Guid.Parse(currentUser.Id);
+
+        var ownershipsId = await db.StickerPackOwnerships
+          .Where(p => p.AccountId == accountId)
+          .Select(p => p.PackId)
+          .ToListAsync();
+        var packs = await db.StickerPacks
+          .Where(p => ownershipsId.Contains(p.Id))
+          .Include(p => p.Stickers)
+          .ToListAsync();
+
+        return Ok(packs);
+    }
+
     [HttpGet("{id:guid}")]
     public async Task<ActionResult<StickerPack>> GetStickerPack(Guid id)
     {
@@ -318,4 +338,46 @@ public class StickerController(AppDatabase db, StickerService st, FileService.Fi
         sticker = await st.CreateStickerAsync(sticker);
         return Ok(sticker);
     }
-}
+
+    [HttpPost("{packId:guid}/own")]
+    [Authorize]
+    public async Task<ActionResult<StickerPackOwnership>> AcquireStickerPack([FromRoute] Guid packId)
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser)
+            return Unauthorized();
+
+        var pack = await db.StickerPacks
+          .Where(p => p.Id == packId)
+          .FirstOrDefaultAsync();
+        if (pack is null) return NotFound();
+
+        var ownership = new StickerPackOwnership
+        {
+            PackId = packId,
+            AccountId = Guid.Parse(currentUser.Id)
+        };
+        db.StickerPackOwnerships.Add(ownership);
+        await db.SaveChangesAsync();
+
+        return Ok(ownership);
+    }
+
+    [HttpDelete("{packId:guid}/own")]
+    [Authorize]
+    public async Task<IActionResult> ReleaseStickerPack([FromRoute] Guid packId)
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser)
+            return Unauthorized();
+        var accountId = Guid.Parse(currentUser.Id);
+
+        var ownership = await db.StickerPackOwnerships
+          .Where(p => p.PackId == packId && p.AccountId == accountId)
+          .FirstOrDefaultAsync();
+        if (ownership is null) return NotFound();
+
+        db.Remove(ownership);
+        await db.SaveChangesAsync();
+
+        return NoContent();
+    }
+}