feat: modularize external providers

Tiku.Infrastructure/Growth/ReferralQrcodeGenerator.cs

@@ -1,18 +1,17 @@
 using System.Security.Cryptography;
 using System.Text.Json;
-using Microsoft.EntityFrameworkCore;
 using Senparc.Weixin.WxOpen.AdvancedAPIs.WxApp;
 using Senparc.Weixin.WxOpen.Containers;
 using Tiku.Application.Growth;
 using Tiku.Application.Storage;
+using Tiku.Application.Tenancy;
 using Tiku.Domain.Tenancy;
-using Tiku.Infrastructure.Persistence;
 
 namespace Tiku.Infrastructure.Growth;
 
 public sealed class ReferralQrcodeGenerator(
-    TikuDbContext dbContext,
-    IObjectStorageService objectStorageService) : IReferralQrcodeGenerator
+    IObjectStorageService objectStorageService,
+    ITenantExternalProviderConfigService providerConfigService) : IReferralQrcodeGenerator
 {
     private static readonly string[] WechatMiniappProviderAliases =
     [
@@ -84,17 +83,23 @@ public sealed class ReferralQrcodeGenerator(
         Guid tenantId,
         CancellationToken cancellationToken)
     {
-        var providers = await dbContext.TenantAuthProviders
-            .AsNoTracking()
-            .Where(entity =>
-                entity.TenantId == tenantId &&
-                WechatMiniappProviderAliases.Contains(entity.Provider) &&
-                (entity.Status == TenantAuthProviderStatus.Active ||
-                 entity.Status == TenantAuthProviderStatus.Testing))
-            .ToListAsync(cancellationToken);
-        var provider = WechatMiniappProviderAliases
-            .Select(alias => providers.FirstOrDefault(entity => entity.Provider == alias))
-            .FirstOrDefault(entity => entity is not null);
+        TenantExternalProviderAccount? provider = null;
+        foreach (var alias in WechatMiniappProviderAliases)
+        {
+            try
+            {
+                provider = await providerConfigService.GetActiveProviderAsync(
+                    tenantId,
+                    TenantExternalProviderCapability.Identity,
+                    alias,
+                    cancellationToken);
+                break;
+            }
+            catch (TenantExternalProviderException)
+            {
+            }
+        }
+
         if (provider is null)
         {
             throw new ReferralException(
@@ -103,7 +108,7 @@ public sealed class ReferralQrcodeGenerator(
         }
 
         var appId = GetJsonString(provider.ConfigPublic, "appId", "clientId");
-        var appSecret = GetJsonString(provider.ConfigPublic, "appSecret", "clientSecret", "secret");
+        var appSecret = GetJsonString(provider.SecretPayload, "appSecret", "clientSecret", "secret");
         if (string.IsNullOrWhiteSpace(appId) || string.IsNullOrWhiteSpace(appSecret))
         {
             throw new ReferralException(