feat: 接通 Database 凭据准备闭环

internal/database/application/credential_target.go

@@ -0,0 +1,27 @@
+package application
+
+import "git.ddupan.top/panxiao81/ayatori/internal/database/domain/binding"
+
+func (r *CredentialRecord) check() *binding.Issue {
+	database := r.Database
+	if database.Deleting || database.Phase == binding.Deleting || database.Phase == "Released" {
+		return &binding.Issue{Reason: "PreparationStopped", Message: "Database 正在删除或已释放；保留凭据与 finalizer，不执行供应或清理"}
+	}
+	if database.Tenant == nil || r.Tenant == nil || r.Tenant.Database == nil {
+		return &binding.Issue{Reason: binding.DependencyUnavailable, Message: "等待 Database 与 Tenant 双向绑定完成"}
+	}
+	if *database.Tenant != r.Tenant.Identity || *r.Tenant.Database != database.Identity {
+		return &binding.Issue{Reason: binding.Conflict, Message: "双向绑定的名称或 UID 不匹配，未创建凭据"}
+	}
+	if r.Tenant.Deleting || r.Tenant.Phase != binding.Bound || !r.DatabaseProtected || !r.TenantProtected {
+		return &binding.Issue{Reason: "PreparationStopped", Message: "Tenant 未完成绑定、正在删除或缺少 finalizer 保护，未创建凭据"}
+	}
+	target, err := r.Tenant.Request.Resolve(r.Tenant.Identity)
+	if err != nil || (target.Provision != nil && !database.MatchesProvision(target, r.Tenant.Identity)) || target.Name != database.Identity.Name {
+		return &binding.Issue{Reason: binding.Conflict, Message: "Tenant 申请与 Database 目标不一致，未创建凭据"}
+	}
+	if r.Instance == nil || database.InstanceUID == "" {
+		return &binding.Issue{Reason: binding.DependencyUnavailable, Message: "等待 Instance 与已记录的实例身份"}
+	}
+	return r.Instance.Check(&database.Database)
+}