优化

internal/apps/user/tasks.go

@@ -0,0 +1,104 @@
+/*
+Copyright 2026 linux.do
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package user
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strconv"
+
+	"github.com/linux-do/credit/internal/model"
+	"github.com/linux-do/credit/internal/task"
+	"github.com/linux-do/credit/internal/util/mail"
+)
+
+// SendEmailPayload 邮件发送任务载荷
+type SendEmailPayload struct {
+	To      string `json:"to"`
+	Subject string `json:"subject"`
+	Body    string `json:"body"`
+}
+
+// SendEmailHandler 发送验证码邮件的异步任务处理器
+type SendEmailHandler struct{}
+
+// Execute 执行邮件异步发送逻辑
+func (h *SendEmailHandler) Execute(ctx context.Context, payload []byte) (*task.TaskResult, error) {
+	var req SendEmailPayload
+	if err := json.Unmarshal(payload, &req); err != nil {
+		task.AppendLog(ctx, "解析邮件发送参数失败: %v", err)
+		return nil, fmt.Errorf("解析邮件发送参数失败: %w", err)
+	}
+
+	task.AppendLog(ctx, "开始准备发送邮件到: %s, 主题: %s", req.To, req.Subject)
+
+	// 从数据库读取最新的 SMTP 系统配置
+	var smtpHost string
+	var smtpPortVal string
+	var smtpUsername string
+	var smtpPassword string
+
+	var sc model.SystemConfig
+	if err := sc.GetByKey(ctx, model.ConfigKeySMTPHost); err == nil {
+		smtpHost = sc.Value
+	}
+	if err := sc.GetByKey(ctx, model.ConfigKeySMTPPort); err == nil {
+		smtpPortVal = sc.Value
+	}
+	if err := sc.GetByKey(ctx, model.ConfigKeySMTPUsername); err == nil {
+		smtpUsername = sc.Value
+	}
+	if err := sc.GetByKey(ctx, model.ConfigKeySMTPPassword); err == nil {
+		smtpPassword = sc.Value
+	}
+
+	if smtpHost == "" || smtpPortVal == "" || smtpUsername == "" {
+		err := errors.New("系统 SMTP 邮件服务配置不完整")
+		task.AppendLog(ctx, "发送失败: %v", err)
+		return nil, err
+	}
+
+	smtpPort, err := strconv.Atoi(smtpPortVal)
+	if err != nil {
+		smtpPort = 587
+	}
+
+	cfg := mail.Config{
+		Host:     smtpHost,
+		Port:     smtpPort,
+		Username: smtpUsername,
+		Password: smtpPassword,
+	}
+
+	task.AppendLog(ctx, "连接 SMTP 服务器: %s:%d, 用户名: %s", smtpHost, smtpPort, smtpUsername)
+
+	// 调用 SendMailHTML 执行邮件发送，这里会有 5s 拨号超时和 10s 读写限制
+	err = mail.SendMailHTML(cfg, req.To, req.Subject, req.Body)
+	if err != nil {
+		task.AppendLog(ctx, "邮件发送失败: %v", err)
+		return nil, fmt.Errorf("发送邮件失败: %w", err)
+	}
+
+	msg := fmt.Sprintf("邮件成功发送至: %s", req.To)
+	task.AppendLog(ctx, "%s", msg)
+
+	return &task.TaskResult{
+		Message: msg,
+	}, nil
+}