feat(email): translator all email template

go.mod

@@ -29,10 +29,10 @@ require (
 	github.com/ory/dockertest/v3 v3.9.1
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/scottleedavis/go-exif-remove v0.0.0-20230314195146-7e059d593405
-	github.com/segmentfault/pacman v1.0.3
+	github.com/segmentfault/pacman v1.0.4
 	github.com/segmentfault/pacman/contrib/cache/memory v0.0.0-20221219081300-f734f4a16aa0
 	github.com/segmentfault/pacman/contrib/conf/viper v0.0.0-20221018072427-a15dd1434e05
-	github.com/segmentfault/pacman/contrib/i18n v0.0.0-20221219081300-f734f4a16aa0
+	github.com/segmentfault/pacman/contrib/i18n v0.0.0-20230516093245-f9384b820548
 	github.com/segmentfault/pacman/contrib/log/zap v0.0.0-20221018072427-a15dd1434e05
 	github.com/segmentfault/pacman/contrib/server/http v0.0.0-20221018072427-a15dd1434e05
 	github.com/spf13/cobra v1.6.1
@@ -129,10 +129,10 @@ require (
 	go.uber.org/multierr v1.8.0 // indirect
 	go.uber.org/zap v1.23.0 // indirect
 	golang.org/x/image v0.1.0 // indirect
-	golang.org/x/mod v0.6.0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
-	golang.org/x/tools v0.2.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect

go.sum

@@ -627,12 +627,14 @@ github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg
 github.com/seccomp/libseccomp-golang v0.9.2-0.20210429002308-3879420cc921/go.mod h1:JA8cRccbGaA1s33RQf7Y1+q9gHmZX1yB/z9WDN1C6fg=
 github.com/segmentfault/pacman v1.0.3 h1:/K8LJHQMiCaCIvC/e8GQITpYTEG6RH4KTLTZjPTghl4=
 github.com/segmentfault/pacman v1.0.3/go.mod h1:5lNp5REd8QMThmBUvR3Fi9Y3AsOB4GRq7soCB4QLqOs=
+github.com/segmentfault/pacman v1.0.4 h1:6UIXuMHUeYMWe5toflV9SXZQizRny1RczjZJLj9kul0=
+github.com/segmentfault/pacman v1.0.4/go.mod h1:5lNp5REd8QMThmBUvR3Fi9Y3AsOB4GRq7soCB4QLqOs=
 github.com/segmentfault/pacman/contrib/cache/memory v0.0.0-20221219081300-f734f4a16aa0 h1:4x0qG7H2M3qH7Yo2BhGrVlji1iTmRAWgINY/JyENeHs=
 github.com/segmentfault/pacman/contrib/cache/memory v0.0.0-20221219081300-f734f4a16aa0/go.mod h1:rmf1TCwz67dyM+AmTwSd1BxTo2AOYHj262lP93bOZbs=
 github.com/segmentfault/pacman/contrib/conf/viper v0.0.0-20221018072427-a15dd1434e05 h1:BlqTgc3/MYKG6vMI2MI+6o+7P4Gy5PXlawu185wPXAk=
 github.com/segmentfault/pacman/contrib/conf/viper v0.0.0-20221018072427-a15dd1434e05/go.mod h1:prPjFam7MyZ5b3S9dcDOt2tMPz6kf7C9c243s9zSwPY=
-github.com/segmentfault/pacman/contrib/i18n v0.0.0-20221219081300-f734f4a16aa0 h1:zaAwBSpwUVrV2BBs1f1hfkv0rY/KdZLyKK8U9NKiurI=
+github.com/segmentfault/pacman/contrib/i18n v0.0.0-20230516093245-f9384b820548 h1:R+FH23Qrdp5ECuHXmZy4BvoO/x7m2wZgNeiC46+jqCQ=
-github.com/segmentfault/pacman/contrib/i18n v0.0.0-20221219081300-f734f4a16aa0/go.mod h1:7QcRmnV7OYq4hNOOCWXT5HXnN/u756JUsqIW0Bw8n9E=
+github.com/segmentfault/pacman/contrib/i18n v0.0.0-20230516093245-f9384b820548/go.mod h1:7QcRmnV7OYq4hNOOCWXT5HXnN/u756JUsqIW0Bw8n9E=
 github.com/segmentfault/pacman/contrib/log/zap v0.0.0-20221018072427-a15dd1434e05 h1:jcGZU2juv0L3eFEkuZYV14ESLUlWfGMWnP0mjOfrSZc=
 github.com/segmentfault/pacman/contrib/log/zap v0.0.0-20221018072427-a15dd1434e05/go.mod h1:L4GqtXLoR73obTYqUQIzfkm8NG8pvZafxFb6KZFSSHk=
 github.com/segmentfault/pacman/contrib/server/http v0.0.0-20221018072427-a15dd1434e05 h1:91is1nKNbfTOl8CvMYiFgg4c5Vmol+5mVmMV/jDXD+A=
@@ -822,8 +824,8 @@ golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
-golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -893,6 +895,7 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -981,8 +984,9 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1050,8 +1054,8 @@ golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
-golang.org/x/tools v0.2.0/go.mod h1:y4OqIKeOV/fWJetJ8bXPU1sEVniLMIyDAZWeHdV+NTA=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

i18n/en_US.yaml

@@ -1,4 +1,18 @@
 # The following fields are used for back-end
+#  backend.email.tpl.change_email.title.other = Confirm your new email address for {{.SiteName}}  by clicking on the following link:\u003cbr\u003e\u003cbr\u003e\n\n\u003ca href='{{.ChangeEmailUrl}}' target='_blank'\u003e{{.ChangeEmailUrl}}\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\n\nIf you did not request this change, please ignore this email.\n
+#  backend.email.tpl.change_email.body.other = [{{.SiteName}}] Confirm your new email address
+#  backend.email.tpl.new_answer.title.other = \u003cstrong\u003e\u003ca href='{{.AnswerUrl}}'\u003e{{.QuestionTitle}}\u003c/a\u003e\u003c/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\n\u003csmall\u003e{{.DisplayName}}:\u003c/small\u003e\u003cbr\u003e\n\u003cblockquote\u003e{{.AnswerSummary}}\u003c/blockquote\u003e\u003cbr\u003e\n\u003ca href='{{.AnswerUrl}}'\u003eView it on {{.SiteName}}\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\n\n\u003csmall\u003eYou are receiving this because you authored the thread. \u003ca href='{{.UnsubscribeUrl}}'\u003eUnsubscribe\u003c/a\u003e\u003c/small\u003e
+#  backend.email.tpl.new_answer.body.other = [{{.SiteName}}] {{.DisplayName}} answered your question
+#  backend.email.tpl.new_comment.title.other = \u003cstrong\u003e\u003ca href='{{.CommentUrl}}'\u003e{{.QuestionTitle}}\u003c/a\u003e\u003c/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\n\u003csmall\u003e{{.DisplayName}}:\u003c/small\u003e\u003cbr\u003e\n\u003cblockquote\u003e{{.CommentSummary}}\u003c/blockquote\u003e\u003cbr\u003e\n\u003ca href='{{.CommentUrl}}'\u003eView it on {{.SiteName}}\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\n\n\u003csmall\u003eYou are receiving this because you authored the thread. \u003ca href='{{.UnsubscribeUrl}}'\u003eUnsubscribe\u003c/a\u003e\u003c/small\u003e
+#  backend.email.tpl.new_comment.body.other = [{{.SiteName}}] {{.DisplayName}} commented on your post
+#  backend.email.tpl.pass_reset.title.other = Somebody asked to reset your password on [{{.SiteName}}].\u003cbr\u003e\u003cbr\u003e\n\nIf it was not you, you can safely ignore this email.\u003cbr\u003e\u003cbr\u003e\n\nClick the following link to choose a new password:\u003cbr\u003e\n\u003ca href='{{.PassResetUrl}}' target='_blank'\u003e{{.PassResetUrl}}\u003c/a\u003e\n
+#  backend.email.tpl.pass_reset.body.other = [{{.SiteName }}] Password reset
+#  backend.email.tpl.register.title.other = Welcome to {{.SiteName}}\u003cbr\u003e\u003cbr\u003e\n\nClick the following link to confirm and activate your new account:\u003cbr\u003e\n\u003ca href='{{.RegisterUrl}}' target='_blank'\u003e{{.RegisterUrl}}\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\n\nIf the above link is not clickable, try copying and pasting it into the address bar of your web browser.\n
+#  backend.email.tpl.register.body.other = [{{.SiteName}}] Confirm your new account
+#  backend.email.tpl.test.title.other = This is a test email.
+#  backend.email.tpl.test.body.other = [{{.SiteName}}] Test Email
+
+
 
 backend:
   base:
@@ -384,6 +398,37 @@ backend:
         other: downvoted answer
       up_voted_comment:
         other: upvoted comment
+  email_tpl:
+    change_email:
+      title:
+        other: "[{{.SiteName}}] Confirm your new email address"
+      body:
+        other: "Confirm your new email address for {{.SiteName}}  by clicking on the following link:<br><br>\n\n<a href='{{.ChangeEmailUrl}}' target='_blank'>{{.ChangeEmailUrl}}</a><br><br>\n\nIf you did not request this change, please ignore this email.\n"
+    new_answer:
+      title:
+        other: "[{{.SiteName}}] {{.DisplayName}} answered your question"
+      body:
+        other: "<strong><a href='{{.AnswerUrl}}'>{{.QuestionTitle}}</a></strong><br><br>\n\n<small>{{.DisplayName}}:</small><br>\n<blockquote>{{.AnswerSummary}}</blockquote><br>\n<a href='{{.AnswerUrl}}'>View it on {{.SiteName}}</a><br><br>\n\n<small>You are receiving this because you authored the thread. <a href='{{.UnsubscribeUrl}}'>Unsubscribe</a></small>"
+    new_comment:
+      title:
+        other: "[{{.SiteName}}] {{.DisplayName}} commented on your post"
+      body:
+        other: "<strong><a href='{{.CommentUrl}}'>{{.QuestionTitle}}</a></strong><br><br>\n\n<small>{{.DisplayName}}:</small><br>\n<blockquote>{{.CommentSummary}}</blockquote><br>\n<a href='{{.CommentUrl}}'>View it on {{.SiteName}}</a><br><br>\n\n<small>You are receiving this because you authored the thread. <a href='{{.UnsubscribeUrl}}'>Unsubscribe</a></small>"
+    pass_reset:
+      title:
+        other: "[{{.SiteName }}] Password reset"
+      body:
+        other: "Somebody asked to reset your password on [{{.SiteName}}].<br><br>\n\nIf it was not you, you can safely ignore this email.<br><br>\n\nClick the following link to choose a new password:<br>\n<a href='{{.PassResetUrl}}' target='_blank'>{{.PassResetUrl}}</a>\n"
+    register:
+      title:
+        other: "[{{.SiteName}}] Confirm your new account"
+      body:
+        other: "Welcome to {{.SiteName}}<br><br>\n\nClick the following link to confirm and activate your new account:<br>\n<a href='{{.RegisterUrl}}' target='_blank'>{{.RegisterUrl}}</a><br><br>\n\nIf the above link is not clickable, try copying and pasting it into the address bar of your web browser.\n"
+    test:
+      title:
+        other: "[{{.SiteName}}] Test Email"
+      body:
+        other: "This is a test email."
 
 # The following fields are used for interface presentation(Front-end)
 ui:

i18n/zh_CN.yaml

@@ -373,6 +373,37 @@ backend:
         other: 踩了答案
       up_voted_comment:
         other: 赞了评论
+  email_tpl:
+    change_email:
+      title:
+        other: "[{{.SiteName}}] 确认您的新电子邮件地址"
+      body:
+        other: "请点击以下链接确认您在 {{.SiteName}} 上的新电子邮件地址：<br><br>\n\n<a href='{{.ChangeEmailUrl}}' target='_blank'>{{.ChangeEmailUrl}}</a><br><br>\n\n如果您没有请求此更改，请忽略此电子邮件。\n"
+    new_answer:
+      title:
+        other: "[{{.SiteName}}] {{.DisplayName}} 回答了您的问题"
+      body:
+        other: "<strong><a href='{{.AnswerUrl}}'>{{.QuestionTitle}}</a></strong><br><br>\n\n<small>{{.DisplayName}}:</small><br>\n<blockquote>{{.AnswerSummary}}</blockquote><br>\n<a href='{{.AnswerUrl}}'>在 {{.SiteName}} 上查看</a><br><br>\n\n<small>您会收到此邮件是因为您是该讨论的作者。<a href='{{.UnsubscribeUrl}}'>取消订阅</a></small>"
+    new_comment:
+      title:
+        other: "[{{.SiteName}}] {{.DisplayName}} 评论了您的帖子"
+      body:
+        other: "<strong><a href='{{.CommentUrl}}'>{{.QuestionTitle}}</a></strong><br><br>\n\n<small>{{.DisplayName}}:</small><br>\n<blockquote>{{.CommentSummary}}</blockquote><br>\n<a href='{{.CommentUrl}}'>在 {{.SiteName}} 上查看</a><br><br>\n\n<small>您会收到此邮件是因为您是该讨论的作者。<a href='{{.UnsubscribeUrl}}'>取消订阅</a></small>"
+    pass_reset:
+      title:
+        other: "[{{.SiteName }}] 重置密码"
+      body:
+        other: "有人要求在 [{{.SiteName}}] 上重置您的密码。<br><br>\n\n如果这不是您的操作，请安心忽略此电子邮件。<br><br>\n\n请点击以下链接选择一个新密码：<br>\n<a href='{{.PassResetUrl}}' target='_blank'>{{.PassResetUrl}}</a>\n"
+    register:
+      title:
+        other: "[{{.SiteName}}] 确认您的新账户"
+      body:
+        other: "欢迎加入 {{.SiteName}}<br><br>\n\n请点击以下链接确认并激活您的新账户：<br>\n<a href='{{.RegisterUrl}}' target='_blank'>{{.RegisterUrl}}</a><br><br>\n\n如果上面的链接不能点击，请将其复制并粘贴到您的浏览器地址栏中。\n"
+    test:
+      title:
+        other: "[{{.SiteName}}] 测试邮件"
+      body:
+        other: "这是一封测试邮件。"
 #The following fields are used for interface presentation(Front-end)
 ui:
   how_to_format:

internal/base/constant/email_tpl_key.go

@@ -0,0 +1,21 @@
+package constant
+
+const (
+	EmailTplKeyChangeEmailTitle = "email_tpl.change_email.title"
+	EmailTplKeyChangeEmailBody  = "email_tpl.change_email.body"
+
+	EmailTplKeyNewAnswerTitle = "email_tpl.new_answer.title"
+	EmailTplKeyNewAnswerBody  = "email_tpl.new_answer.body"
+
+	EmailTplKeyNewCommentTitle = "email_tpl.new_comment.title"
+	EmailTplKeyNewCommentBody  = "email_tpl.new_comment.body"
+
+	EmailTplKeyPassResetTitle = "email_tpl.pass_reset.title"
+	EmailTplKeyPassResetBody  = "email_tpl.pass_reset.body"
+
+	EmailTplKeyRegisterTitle = "email_tpl.register.title"
+	EmailTplKeyRegisterBody  = "email_tpl.register.body"
+
+	EmailTplKeyTestTitle = "email_tpl.test.title"
+	EmailTplKeyTestBody  = "email_tpl.test.body"
+)

internal/base/translator/provider.go

@@ -131,3 +131,15 @@ func Tr(lang i18n.Language, data string) string {
 	}
 	return translation
 }
+
+// TrWithData translate key with template data, it will replace the template data {{ .PlaceHolder }} in the translation.
+func TrWithData(lang i18n.Language, key string, templateData any) string {
+	if GlobalTrans == nil {
+		return key
+	}
+	translation := GlobalTrans.TrWithData(lang, key, templateData)
+	if translation == key {
+		return GlobalTrans.TrWithData(i18n.DefaultLanguage, key, templateData)
+	}
+	return translation
+}

internal/service/export/email_service.go

@@ -1,14 +1,15 @@
 package export
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
-	"html/template"
 	"mime"
 	"time"
 
+	"github.com/answerdev/answer/internal/base/constant"
+	"github.com/answerdev/answer/internal/base/handler"
 	"github.com/answerdev/answer/internal/base/reason"
+	"github.com/answerdev/answer/internal/base/translator"
 	"github.com/answerdev/answer/internal/entity"
 	"github.com/answerdev/answer/internal/schema"
 	"github.com/answerdev/answer/internal/service/config"
@@ -162,11 +163,6 @@ func (es *EmailService) GetSiteGeneral(ctx context.Context) (resp schema.SiteGen
 }
 
 func (es *EmailService) RegisterTemplate(ctx context.Context, registerUrl string) (title, body string, err error) {
-	emailConfig, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
 	siteInfo, err := es.GetSiteGeneral(ctx)
 	if err != nil {
 		return
@@ -176,123 +172,59 @@ func (es *EmailService) RegisterTemplate(ctx context.Context, registerUrl string
 		RegisterUrl: registerUrl,
 	}
 
-	title, err = es.parseTemplateData(emailConfig.RegisterTitle, templateData)
+	lang := handler.GetLangByCtx(ctx)
-	if err != nil {
+	title = translator.TrWithData(lang, constant.EmailTplKeyRegisterTitle, templateData)
-		return "", "", fmt.Errorf("email template parse error: %s", err)
+	body = translator.TrWithData(lang, constant.EmailTplKeyRegisterBody, templateData)
-	}
-
-	body, err = es.parseTemplateData(emailConfig.RegisterBody, templateData)
-	if err != nil {
-		return "", "", fmt.Errorf("email template parse error: %s", err)
-	}
 	return title, body, nil
 }
 
 func (es *EmailService) PassResetTemplate(ctx context.Context, passResetUrl string) (title, body string, err error) {
-	ec, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
-	siteinfo, err := es.GetSiteGeneral(ctx)
-	if err != nil {
-		return
-	}
-
-	templateData := PassResetTemplateData{SiteName: siteinfo.Name, PassResetUrl: passResetUrl}
-	tmpl, err := template.New("pass_reset_title").Parse(ec.PassResetTitle)
-	if err != nil {
-		return "", "", err
-	}
-	titleBuf := &bytes.Buffer{}
-	bodyBuf := &bytes.Buffer{}
-	err = tmpl.Execute(titleBuf, templateData)
-	if err != nil {
-		return "", "", err
-	}
-
-	tmpl, err = template.New("pass_reset_body").Parse(ec.PassResetBody)
-	if err != nil {
-		return "", "", err
-	}
-	err = tmpl.Execute(bodyBuf, templateData)
-	if err != nil {
-		return "", "", err
-	}
-	return titleBuf.String(), bodyBuf.String(), nil
-}
-
-func (es *EmailService) ChangeEmailTemplate(ctx context.Context, changeEmailUrl string) (title, body string, err error) {
-	ec, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
-	siteinfo, err := es.GetSiteGeneral(ctx)
-	if err != nil {
-		return
-	}
-	templateData := ChangeEmailTemplateData{
-		SiteName:       siteinfo.Name,
-		ChangeEmailUrl: changeEmailUrl,
-	}
-	tmpl, err := template.New("email_change_title").Parse(ec.ChangeTitle)
-	if err != nil {
-		return "", "", err
-	}
-	titleBuf := &bytes.Buffer{}
-	bodyBuf := &bytes.Buffer{}
-	err = tmpl.Execute(titleBuf, templateData)
-	if err != nil {
-		return "", "", err
-	}
-
-	tmpl, err = template.New("email_change_body").Parse(ec.ChangeBody)
-	if err != nil {
-		return "", "", err
-	}
-	err = tmpl.Execute(bodyBuf, templateData)
-	if err != nil {
-		return "", "", err
-	}
-	return titleBuf.String(), bodyBuf.String(), nil
-}
-
-// TestTemplate send test email template parse
-func (es *EmailService) TestTemplate(ctx context.Context) (title, body string, err error) {
-	emailConfig, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
 	siteInfo, err := es.GetSiteGeneral(ctx)
 	if err != nil {
 		return
 	}
-	templateData := TestTemplateData{
+
-		SiteName: siteInfo.Name,
+	templateData := PassResetTemplateData{SiteName: siteInfo.Name, PassResetUrl: passResetUrl}
+
+	lang := handler.GetLangByCtx(ctx)
+	title = translator.TrWithData(lang, constant.EmailTplKeyPassResetTitle, templateData)
+	body = translator.TrWithData(lang, constant.EmailTplKeyPassResetBody, templateData)
+	return title, body, nil
+}
+
+func (es *EmailService) ChangeEmailTemplate(ctx context.Context, changeEmailUrl string) (title, body string, err error) {
+	siteInfo, err := es.GetSiteGeneral(ctx)
+	if err != nil {
+		return
+	}
+	templateData := ChangeEmailTemplateData{
+		SiteName:       siteInfo.Name,
+		ChangeEmailUrl: changeEmailUrl,
 	}
 
-	title, err = es.parseTemplateData(emailConfig.TestTitle, templateData)
+	lang := handler.GetLangByCtx(ctx)
-	if err != nil {
+	title = translator.TrWithData(lang, constant.EmailTplKeyChangeEmailTitle, templateData)
-		return "", "", fmt.Errorf("email template parse error: %s", err)
+	body = translator.TrWithData(lang, constant.EmailTplKeyChangeEmailBody, templateData)
-	}
+	return title, body, nil
+}
 
-	body, err = es.parseTemplateData(emailConfig.TestBody, templateData)
+// TestTemplate send test email template parse
+func (es *EmailService) TestTemplate(ctx context.Context) (title, body string, err error) {
+	siteInfo, err := es.GetSiteGeneral(ctx)
 	if err != nil {
-		return "", "", fmt.Errorf("email template parse error: %s", err)
+		return
 	}
+	templateData := TestTemplateData{SiteName: siteInfo.Name}
+
+	lang := handler.GetLangByCtx(ctx)
+	title = translator.TrWithData(lang, constant.EmailTplKeyTestTitle, templateData)
+	body = translator.TrWithData(lang, constant.EmailTplKeyTestBody, templateData)
 	return title, body, nil
 }
 
 // NewAnswerTemplate new answer template
 func (es *EmailService) NewAnswerTemplate(ctx context.Context, raw *schema.NewAnswerTemplateRawData) (
 	title, body string, err error) {
-	emailConfig, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
 	siteInfo, err := es.GetSiteGeneral(ctx)
 	if err != nil {
 		return
@@ -307,26 +239,15 @@ func (es *EmailService) NewAnswerTemplate(ctx context.Context, raw *schema.NewAn
 	}
 	templateData.SiteName = siteInfo.Name
 
-	title, err = es.parseTemplateData(emailConfig.NewAnswerTitle, templateData)
+	lang := handler.GetLangByCtx(ctx)
-	if err != nil {
+	title = translator.TrWithData(lang, constant.EmailTplKeyNewAnswerTitle, templateData)
-		return "", "", fmt.Errorf("email template parse error: %s", err)
+	body = translator.TrWithData(lang, constant.EmailTplKeyNewAnswerBody, templateData)
-	}
-
-	body, err = es.parseTemplateData(emailConfig.NewAnswerBody, templateData)
-	if err != nil {
-		return "", "", fmt.Errorf("email template parse error: %s", err)
-	}
 	return title, body, nil
 }
 
 // NewCommentTemplate new comment template
 func (es *EmailService) NewCommentTemplate(ctx context.Context, raw *schema.NewCommentTemplateRawData) (
 	title, body string, err error) {
-	emailConfig, err := es.GetEmailConfig()
-	if err != nil {
-		return
-	}
-
 	siteInfo, err := es.GetSiteGeneral(ctx)
 	if err != nil {
 		return
@@ -347,31 +268,12 @@ func (es *EmailService) NewCommentTemplate(ctx context.Context, raw *schema.NewC
 	}
 	templateData.SiteName = siteInfo.Name
 
-	title, err = es.parseTemplateData(emailConfig.NewCommentTitle, templateData)
+	lang := handler.GetLangByCtx(ctx)
-	if err != nil {
+	title = translator.TrWithData(lang, constant.EmailTplKeyNewCommentTitle, templateData)
-		return "", "", fmt.Errorf("email template parse error: %s", err)
+	body = translator.TrWithData(lang, constant.EmailTplKeyNewCommentBody, templateData)
-	}
-
-	body, err = es.parseTemplateData(emailConfig.NewCommentBody, templateData)
-	if err != nil {
-		return "", "", fmt.Errorf("email template parse error: %s", err)
-	}
 	return title, body, nil
 }
 
-func (es *EmailService) parseTemplateData(templateContent string, templateData interface{}) (parsedData string, err error) {
-	parsedDataBuf := &bytes.Buffer{}
-	tmpl, err := template.New("").Parse(templateContent)
-	if err != nil {
-		return "", err
-	}
-	err = tmpl.Execute(parsedDataBuf, templateData)
-	if err != nil {
-		return "", err
-	}
-	return parsedDataBuf.String(), nil
-}
-
 func (es *EmailService) GetEmailConfig() (ec *EmailConfig, err error) {
 	emailConf, err := es.configRepo.GetString("email.config")
 	if err != nil {