Add "Download all claimed init items" button

Src/NationsConverterWeb/NationsConverterWeb/Components/Pages/Dashboard.razor

@@ -104,6 +104,8 @@
                     <a href="/bulkfix">Bulk fix</a>
                 }
 
+                <button class="button" @onclick="DownloadClaimedInitItemsAsync">Download all claimed init items</button>
+
                 <a href="/data/NationsConverterCLI.zip" download="NationsConverterCLI.zip">Download converter</a>
                 <a href="/data/items.zip" download="NC2Items_Init.zip">Download all init items</a>
                 <a href="/data/GameData_TMUF_NC2.zip" download="GameData_TMUF_NC2.zip">Download TMUF GameData</a>
@@ -211,14 +213,14 @@
 
         currentDiscordUser = discordUsers.FirstOrDefault(x => x.Id == snowflake);
 
-        /*blocks = db.Blocks
+            /*blocks = db.Blocks
             .Where(x => x.Name.Contains(searchValue))
             .Where(x => x.EnvironmentId.Contains(Environment ?? ""))
             .Include(x => x.AssignedTo)
             .ThenInclude(x => x!.DiscordUser)
             .AsNoTracking()
-            .Select(x => new BlockDto
-            {
+                .Select(x => new BlockDto
+                {
                 Id = x.Id,
                 Name = x.Name,
                 AssignedTo = x.AssignedTo,
@@ -289,6 +291,44 @@
         await JS.InvokeVoidAsync("downloadFileFromStream", "UserData.zip", streamRef);
     }
 
+    private async Task DownloadClaimedInitItemsAsync()
+    {
+        if (currentDiscordUser is null)
+        {
+            return;
+        }
+
+        await using var db = DbFactory.CreateDbContext();
+
+        var claimedBlocks = await db.Blocks
+            .Where(x => x.AssignedToId == currentDiscordUser.UserId && !x.IsDone)
+            .Include(x => x.Items)
+            .ToListAsync();
+
+        await using var ms = new MemoryStream();
+
+        using (var zip = new System.IO.Compression.ZipArchive(ms, ZipArchiveMode.Create, leaveOpen: true))
+        {
+            foreach (var block in claimedBlocks)
+            {
+                foreach (var item in block.Items)
+                {
+                    var entry = zip.CreateEntry(Path.Combine("ClaimedInits", block.Name, item.FileName));
+                    await using var entryStream = entry.Open();
+
+                    var blockDirBasePath = Path.Combine(AppContext.BaseDirectory, "Data", "items", "NC2", block.CategoryId, block.SubCategoryId, "MM_Collision", block.EnvironmentId, block.PageName, block.Name);
+                    await using var fs = new FileStream(Path.Combine(blockDirBasePath, item.FileName), FileMode.Open, FileAccess.Read, FileShare.Read, 4096, useAsync: true);
+                    await fs.CopyToAsync(entryStream);
+                }
+            }
+        }
+
+        ms.Position = 0;
+
+        using var streamRef = new DotNetStreamReference(ms);
+        await JS.InvokeVoidAsync("downloadFileFromStream", "ClaimedInits.zip", streamRef);
+    }
+
     private async Task DownloadValueReviewItemsAsync()
     {
         await using var db = DbFactory.CreateDbContext();