2019-04-22 02:59:20 +00:00

99 lines
2.4 KiB
Go

package email
import (
"context"
"encoding/json"
"go-common/app/job/main/aegis/conf"
"go-common/app/job/main/aegis/model"
"go-common/library/cache/redis"
"go-common/library/log"
"gopkg.in/gomail.v2"
"time"
)
type Dao struct {
c *conf.Config
redis *redis.Pool
email *gomail.Dialer
}
const (
// MoniEmailKey 监控邮件队列key
MoniEmailKey = "monitor_stats_email"
)
// New is new redis dao.
func New(c *conf.Config) (d *Dao) {
d = &Dao{
c: c,
email: gomail.NewDialer(c.Mail.Host, c.Mail.Port, c.Mail.Username, c.Mail.Password),
redis: redis.NewPool(c.Redis),
}
return d
}
// MonitorEmailAsync 异步发送监控邮件
func (d *Dao) MonitorEmailAsync(c context.Context, members []string, title, content string) (err error) {
var (
conn = d.redis.Get(c)
bs []byte
)
defer conn.Close()
temp := &model.MoniTemp{
From: d.c.Mail.Username,
Members: members,
Subject: title,
Body: content,
}
if bs, err = json.Marshal(temp); err != nil {
log.Error("d.MonitorEmailAsync() json.Marshal(%+v) error(%v) key(%s)", temp, err, MoniEmailKey)
return
}
if _, err = conn.Do("RPUSH", MoniEmailKey, bs); err != nil {
log.Error("d.MonitorEmailAsync() conn.Do(RPUSH, %s, %s) error(%v)", MoniEmailKey, bs, err)
}
return
}
// MonitorEmailProc 发送监控邮件
func (d *Dao) MonitorEmailProc() (err error) {
var (
bs []byte
temp *model.MoniTemp
headers map[string][]string
)
headers = make(map[string][]string)
bs, err = d.PopRedis(context.TODO(), MoniEmailKey)
if err != nil || bs == nil {
log.Warn("d.MonitorEmailProc() warn:%v content:%s", err, bs)
time.Sleep(5 * time.Second)
return
}
if err = json.Unmarshal(bs, &temp); err != nil {
log.Error("d.MonitorEmailProc() json.unmarshal error(%v) content(%s)", err, bs)
return
}
msg := gomail.NewMessage()
headers["From"] = []string{d.c.Mail.Username}
headers["To"] = temp.Members
headers["Subject"] = []string{temp.Subject}
msg.SetHeaders(headers)
msg.SetBody("text/html", temp.Body)
if err = d.email.DialAndSend(msg); err != nil {
log.Error("d.email.DialAndSend(%+v) error:%v", msg, err)
return
}
return
}
// PopRedis lpop fail item from redis
func (d *Dao) PopRedis(c context.Context, key string) (bs []byte, err error) {
var conn = d.redis.Get(c)
defer conn.Close()
if bs, err = redis.Bytes(conn.Do("LPOP", key)); err != nil && err != redis.ErrNil {
log.Error("d.PopRedis() redis.Bytes(conn.Do(LPOP, %s)) error(%v)", key, err)
}
return
}