[#275] added support to customize the default user email templates from the Admin UI

mails/user.go

@@ -1,8 +1,8 @@
 package mails
 
 import (
+	"html/template"
 	"net/mail"
-	"strings"
 
 	"github.com/pocketbase/pocketbase/core"
 	"github.com/pocketbase/pocketbase/mails/templates"
@@ -10,46 +10,6 @@ import (
 	"github.com/pocketbase/pocketbase/tokens"
 )
 
-func prepareUserEmailBody(
-	app core.App,
-	user *models.User,
-	token string,
-	actionUrl string,
-	bodyTemplate string,
-) (string, error) {
-	settings := app.Settings()
-
-	// replace action url placeholder params (if any)
-	actionUrlParams := map[string]string{
-		core.EmailPlaceholderAppUrl: settings.Meta.AppUrl,
-		core.EmailPlaceholderToken:  token,
-	}
-	for k, v := range actionUrlParams {
-		actionUrl = strings.ReplaceAll(actionUrl, k, v)
-	}
-	var urlErr error
-	actionUrl, urlErr = normalizeUrl(actionUrl)
-	if urlErr != nil {
-		return "", urlErr
-	}
-
-	params := struct {
-		AppName   string
-		AppUrl    string
-		User      *models.User
-		Token     string
-		ActionUrl string
-	}{
-		AppName:   settings.Meta.AppName,
-		AppUrl:    settings.Meta.AppUrl,
-		User:      user,
-		Token:     token,
-		ActionUrl: actionUrl,
-	}
-
-	return resolveTemplateContent(params, templates.Layout, bodyTemplate)
-}
-
 // SendUserPasswordReset sends a password reset request email to the specified user.
 func SendUserPasswordReset(app core.App, user *models.User) error {
 	token, tokenErr := tokens.NewUserResetPasswordToken(app, user)
@@ -66,24 +26,20 @@ func SendUserPasswordReset(app core.App, user *models.User) error {
 	}
 
 	sendErr := app.OnMailerBeforeUserResetPasswordSend().Trigger(event, func(e *core.MailerUserEvent) error {
-		body, err := prepareUserEmailBody(
-			app,
-			user,
-			token,
-			app.Settings().Meta.UserResetPasswordUrl,
-			templates.UserPasswordResetBody,
-		)
+		settings := app.Settings()
+
+		subject, body, err := resolveEmailTemplate(app, token, settings.Meta.ResetPasswordTemplate)
 		if err != nil {
 			return err
 		}
 
 		return e.MailClient.Send(
 			mail.Address{
-				Name:    app.Settings().Meta.SenderName,
-				Address: app.Settings().Meta.SenderAddress,
+				Name:    settings.Meta.SenderName,
+				Address: settings.Meta.SenderAddress,
 			},
 			mail.Address{Address: e.User.Email},
-			("Reset your " + app.Settings().Meta.AppName + " password"),
+			subject,
 			body,
 			nil,
 		)
@@ -112,24 +68,20 @@ func SendUserVerification(app core.App, user *models.User) error {
 	}
 
 	sendErr := app.OnMailerBeforeUserVerificationSend().Trigger(event, func(e *core.MailerUserEvent) error {
-		body, err := prepareUserEmailBody(
-			app,
-			user,
-			token,
-			app.Settings().Meta.UserVerificationUrl,
-			templates.UserVerificationBody,
-		)
+		settings := app.Settings()
+
+		subject, body, err := resolveEmailTemplate(app, token, settings.Meta.VerificationTemplate)
 		if err != nil {
 			return err
 		}
 
 		return e.MailClient.Send(
 			mail.Address{
-				Name:    app.Settings().Meta.SenderName,
-				Address: app.Settings().Meta.SenderAddress,
+				Name:    settings.Meta.SenderName,
+				Address: settings.Meta.SenderAddress,
 			},
 			mail.Address{Address: e.User.Email},
-			("Verify your " + app.Settings().Meta.AppName + " email"),
+			subject,
 			body,
 			nil,
 		)
@@ -161,24 +113,20 @@ func SendUserChangeEmail(app core.App, user *models.User, newEmail string) error
 	}
 
 	sendErr := app.OnMailerBeforeUserChangeEmailSend().Trigger(event, func(e *core.MailerUserEvent) error {
-		body, err := prepareUserEmailBody(
-			app,
-			user,
-			token,
-			app.Settings().Meta.UserConfirmEmailChangeUrl,
-			templates.UserConfirmEmailChangeBody,
-		)
+		settings := app.Settings()
+
+		subject, body, err := resolveEmailTemplate(app, token, settings.Meta.ConfirmEmailChangeTemplate)
 		if err != nil {
 			return err
 		}
 
 		return e.MailClient.Send(
 			mail.Address{
-				Name:    app.Settings().Meta.SenderName,
-				Address: app.Settings().Meta.SenderAddress,
+				Name:    settings.Meta.SenderName,
+				Address: settings.Meta.SenderAddress,
 			},
 			mail.Address{Address: newEmail},
-			("Confirm your " + app.Settings().Meta.AppName + " new email address"),
+			subject,
 			body,
 			nil,
 		)
@@ -190,3 +138,30 @@ func SendUserChangeEmail(app core.App, user *models.User, newEmail string) error
 
 	return sendErr
 }
+
+func resolveEmailTemplate(
+	app core.App,
+	token string,
+	emailTemplate core.EmailTemplate,
+) (subject string, body string, err error) {
+	settings := app.Settings()
+
+	subject, rawBody, _ := emailTemplate.Resolve(
+		settings.Meta.AppName,
+		settings.Meta.AppUrl,
+		token,
+	)
+
+	params := struct {
+		HtmlContent template.HTML
+	}{
+		HtmlContent: template.HTML(rawBody),
+	}
+
+	body, err = resolveTemplateContent(params, templates.Layout, templates.HtmlBody)
+	if err != nil {
+		return "", "", err
+	}
+
+	return subject, body, nil
+}