fix: align backend APIs and upload flow

2026-09-15 14:10:55 +08:00
parent 32177a7293
commit 53e6195938
149 changed files with 4791 additions and 435 deletions
@@ -0,0 +1,29 @@
+using System.Data;
+using System.Text.Json;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Storage;
+
+namespace IM.InitCommon.Management;
+public static class ReceiptStore
+{
+    public static async Task<ActionReceipt> Execute(DbContext db, InternalAction command, Func<Task<ActionReceipt>> apply, CancellationToken ct)
+    {
+        await using var tx = await db.Database.BeginTransactionAsync(IsolationLevel.Serializable, ct);
+        var connection = db.Database.GetDbConnection();
+        await using var read = connection.CreateCommand(); read.Transaction = tx.GetDbTransaction();
+        var owner = db.GetType().Name;
+        read.CommandText = "SELECT Payload FROM management_receipts WHERE Owner = @owner AND Id = @id FOR UPDATE";
+        var ownerParameter = read.CreateParameter(); ownerParameter.ParameterName = "@owner"; ownerParameter.Value = owner; read.Parameters.Add(ownerParameter);
+        var parameter = read.CreateParameter(); parameter.ParameterName = "@id"; parameter.Value = command.Id.ToString(); read.Parameters.Add(parameter);
+        var existing = await read.ExecuteScalarAsync(ct);
+        if (existing is string json) {
+            var saved = JsonSerializer.Deserialize<SavedReceipt>(json)!;
+            if (saved.Command != command) throw new InvalidOperationException("操作 ID 已被其他请求使用");
+            await tx.CommitAsync(ct); return saved.Result;
+        }
+        var receipt = await apply(); await db.SaveChangesAsync(ct);
+        await db.Database.ExecuteSqlInterpolatedAsync($"INSERT INTO management_receipts (Owner, Id, Payload, CreatedAt) VALUES ({owner}, {command.Id.ToString()}, {JsonSerializer.Serialize(new SavedReceipt(command, receipt))}, {DateTime.UtcNow})", ct);
+        await tx.CommitAsync(ct); return receipt;
+    }
+    private record SavedReceipt(InternalAction Command, ActionReceipt Result);
+}