Create & Init Project...

app/admin/main/up/dao/email/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_test",
+    "go_library",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "dao_test.go",
+        "email_test.go",
+    ],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = [
+        "//app/admin/main/up/conf:go_default_library",
+        "//vendor/github.com/smartystreets/goconvey/convey:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "dao.go",
+        "email.go",
+    ],
+    importpath = "go-common/app/admin/main/up/dao/email",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/admin/main/up/conf:go_default_library",
+        "//library/log:go_default_library",
+        "//vendor/gopkg.in/gomail.v2:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/admin/main/up/dao/email/dao.go

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+package email
+
+import (
+	"crypto/tls"
+
+	"go-common/app/admin/main/up/conf"
+
+	gomail "gopkg.in/gomail.v2"
+)
+
+// Dao is redis dao.
+type Dao struct {
+	email *gomail.Dialer
+}
+
+// New is new redis dao.
+func New(c *conf.Config) (d *Dao) {
+	d = &Dao{
+		// mail
+		email: gomail.NewDialer(c.MailConf.Host, c.MailConf.Port, c.MailConf.Username, c.MailConf.Password),
+	}
+	d.email.TLSConfig = &tls.Config{
+		InsecureSkipVerify: true,
+	}
+	return
+}

app/admin/main/up/dao/email/dao_test.go

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+package email
+
+import (
+	"flag"
+	"os"
+	"testing"
+
+	"go-common/app/admin/main/up/conf"
+)
+
+var (
+	d *Dao
+)
+
+func TestMain(m *testing.M) {
+	if os.Getenv("DEPLOY_ENV") != "" {
+		flag.Set("app_id", "main.archive.up-admin")
+		flag.Set("conf_token", "930697bb7def4df0713ef8080596b863")
+		flag.Set("tree_id", "36438")
+		flag.Set("conf_version", "1")
+		flag.Set("deploy_env", "uat")
+		flag.Set("conf_host", "config.bilibili.co")
+		flag.Set("conf_path", "/tmp")
+		flag.Set("region", "sh")
+		flag.Set("zone", "sh001")
+	} else {
+		flag.Set("conf", "../../cmd/up-admin.toml")
+	}
+	if os.Getenv("UT_LOCAL_TEST") != "" {
+		flag.Set("conf", "../../cmd/up-admin.toml")
+	}
+	flag.Parse()
+	if err := conf.Init(); err != nil {
+		panic(err)
+	}
+	d = New(conf.Conf)
+	os.Exit(m.Run())
+}

app/admin/main/up/dao/email/email.go

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+package email
+
+import (
+	"os"
+
+	"go-common/app/admin/main/up/conf"
+	"go-common/library/log"
+
+	"gopkg.in/gomail.v2"
+)
+
+//SendMail send the email.
+func (d *Dao) SendMail(body string, subject string, send ...string) (err error) {
+	msg := gomail.NewMessage()
+	msg.SetHeader("From", conf.Conf.MailConf.Username)
+	msg.SetHeader("To", send...)
+	msg.SetHeader("Subject", subject)
+	msg.SetBody("text/html", body, gomail.SetPartEncoding(gomail.Base64))
+	if err = d.email.DialAndSend(msg); err != nil {
+		log.Error("s.email.DialAndSend error(%v)", err)
+		return
+	}
+	return
+}
+
+//SendMailAttach send the email.
+func (d *Dao) SendMailAttach(filename string, subject string, send []string) (err error) {
+	msg := gomail.NewMessage()
+	msg.SetHeader("From", conf.Conf.MailConf.Username)
+	msg.SetHeader("To", send...)
+	msg.SetHeader("Subject", subject)
+	msg.Attach(filename)
+	if err = d.email.DialAndSend(msg); err != nil {
+		log.Error("s.email.DialAndSend error(%v)", err)
+		return
+	}
+	err = os.Remove(filename)
+	return
+}

app/admin/main/up/dao/email/email_test.go

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+package email
+
+import (
+	"testing"
+
+	"github.com/smartystreets/goconvey/convey"
+)
+
+func TestEmailSendMail(t *testing.T) {
+	convey.Convey("SendMail", t, func(ctx convey.C) {
+		var (
+			body    = ""
+			subject = ""
+			send    = ""
+		)
+		ctx.Convey("When everything goes positive", func(ctx convey.C) {
+			err := d.SendMail(body, subject, send)
+			ctx.Convey("Then err should be nil.", func(ctx convey.C) {
+				ctx.So(err, convey.ShouldNotBeNil)
+			})
+		})
+	})
+}
+
+func TestEmailSendMailAttach(t *testing.T) {
+	convey.Convey("SendMailAttach", t, func(ctx convey.C) {
+		var (
+			filename = ""
+			subject  = ""
+			send     = []string{}
+		)
+		ctx.Convey("When everything goes positive", func(ctx convey.C) {
+			err := d.SendMailAttach(filename, subject, send)
+			ctx.Convey("Then err should be nil.", func(ctx convey.C) {
+				ctx.So(err, convey.ShouldNotBeNil)
+			})
+		})
+	})
+}