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notification_email.go
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notification_email.go
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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"fmt"
"html"
"net/url"
"path/filepath"
"strings"
"time"
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/utils"
"github.com/nicksnyder/go-i18n/i18n"
)
func (a *App) sendNotificationEmail(notification *postNotification, user *model.User, team *model.Team) *model.AppError {
channel := notification.channel
post := notification.post
if channel.IsGroupOrDirect() {
result := <-a.Srv.Store.Team().GetTeamsByUserId(user.Id)
if result.Err != nil {
return result.Err
}
// if the recipient isn't in the current user's team, just pick one
teams := result.Data.([]*model.Team)
found := false
for i := range teams {
if teams[i].Id == team.Id {
found = true
break
}
}
if !found && len(teams) > 0 {
team = teams[0]
} else {
// in case the user hasn't joined any teams we send them to the select_team page
team = &model.Team{Name: "select_team", DisplayName: a.Config().TeamSettings.SiteName}
}
}
if *a.Config().EmailSettings.EnableEmailBatching {
var sendBatched bool
if result := <-a.Srv.Store.Preference().Get(user.Id, model.PREFERENCE_CATEGORY_NOTIFICATIONS, model.PREFERENCE_NAME_EMAIL_INTERVAL); result.Err != nil {
// if the call fails, assume that the interval has not been explicitly set and batch the notifications
sendBatched = true
} else {
// if the user has chosen to receive notifications immediately, don't batch them
sendBatched = result.Data.(model.Preference).Value != model.PREFERENCE_EMAIL_INTERVAL_NO_BATCHING_SECONDS
}
if sendBatched {
if err := a.AddNotificationEmailToBatch(user, post, team); err == nil {
return nil
}
}
// fall back to sending a single email if we can't batch it for some reason
}
translateFunc := utils.GetUserTranslations(user.Locale)
var useMilitaryTime bool
if result := <-a.Srv.Store.Preference().Get(user.Id, model.PREFERENCE_CATEGORY_DISPLAY_SETTINGS, model.PREFERENCE_NAME_USE_MILITARY_TIME); result.Err != nil {
useMilitaryTime = true
} else {
useMilitaryTime = result.Data.(model.Preference).Value == "true"
}
var nameFormat string
if result := <-a.Srv.Store.Preference().Get(user.Id, model.PREFERENCE_CATEGORY_DISPLAY_SETTINGS, model.PREFERENCE_NAME_NAME_FORMAT); result.Err != nil {
nameFormat = *a.Config().TeamSettings.TeammateNameDisplay
} else {
nameFormat = result.Data.(model.Preference).Value
}
channelName := notification.GetChannelName(nameFormat, "")
senderName := notification.GetSenderName(nameFormat, a.Config().ServiceSettings.EnablePostUsernameOverride)
emailNotificationContentsType := model.EMAIL_NOTIFICATION_CONTENTS_FULL
if license := a.License(); license != nil && *license.Features.EmailNotificationContents {
emailNotificationContentsType = *a.Config().EmailSettings.EmailNotificationContentsType
}
var subjectText string
if channel.Type == model.CHANNEL_DIRECT {
subjectText = getDirectMessageNotificationEmailSubject(user, post, translateFunc, a.Config().TeamSettings.SiteName, senderName, useMilitaryTime)
} else if channel.Type == model.CHANNEL_GROUP {
subjectText = getGroupMessageNotificationEmailSubject(user, post, translateFunc, a.Config().TeamSettings.SiteName, channelName, emailNotificationContentsType, useMilitaryTime)
} else if *a.Config().EmailSettings.UseChannelInEmailNotifications {
subjectText = getNotificationEmailSubject(user, post, translateFunc, a.Config().TeamSettings.SiteName, team.DisplayName+" ("+channelName+")", useMilitaryTime)
} else {
subjectText = getNotificationEmailSubject(user, post, translateFunc, a.Config().TeamSettings.SiteName, team.DisplayName, useMilitaryTime)
}
teamURL := a.GetSiteURL() + "/" + team.Name
var bodyText = a.getNotificationEmailBody(user, post, channel, channelName, senderName, team.Name, teamURL, emailNotificationContentsType, useMilitaryTime, translateFunc)
a.Srv.Go(func() {
if err := a.SendMail(user.Email, html.UnescapeString(subjectText), bodyText); err != nil {
mlog.Error(fmt.Sprint("Error to send the email", user.Email, err))
}
})
if a.Metrics != nil {
a.Metrics.IncrementPostSentEmail()
}
return nil
}
/**
* Computes the subject line for direct notification email messages
*/
func getDirectMessageNotificationEmailSubject(user *model.User, post *model.Post, translateFunc i18n.TranslateFunc, siteName string, senderName string, useMilitaryTime bool) string {
t := getFormattedPostTime(user, post, useMilitaryTime, translateFunc)
var subjectParameters = map[string]interface{}{
"SiteName": siteName,
"SenderDisplayName": senderName,
"Month": t.Month,
"Day": t.Day,
"Year": t.Year,
}
return translateFunc("app.notification.subject.direct.full", subjectParameters)
}
/**
* Computes the subject line for group, public, and private email messages
*/
func getNotificationEmailSubject(user *model.User, post *model.Post, translateFunc i18n.TranslateFunc, siteName string, teamName string, useMilitaryTime bool) string {
t := getFormattedPostTime(user, post, useMilitaryTime, translateFunc)
var subjectParameters = map[string]interface{}{
"SiteName": siteName,
"TeamName": teamName,
"Month": t.Month,
"Day": t.Day,
"Year": t.Year,
}
return translateFunc("app.notification.subject.notification.full", subjectParameters)
}
/**
* Computes the subject line for group email messages
*/
func getGroupMessageNotificationEmailSubject(user *model.User, post *model.Post, translateFunc i18n.TranslateFunc, siteName string, channelName string, emailNotificationContentsType string, useMilitaryTime bool) string {
t := getFormattedPostTime(user, post, useMilitaryTime, translateFunc)
var subjectParameters = map[string]interface{}{
"SiteName": siteName,
"Month": t.Month,
"Day": t.Day,
"Year": t.Year,
}
if emailNotificationContentsType == model.EMAIL_NOTIFICATION_CONTENTS_FULL {
subjectParameters["ChannelName"] = channelName
return translateFunc("app.notification.subject.group_message.full", subjectParameters)
}
return translateFunc("app.notification.subject.group_message.generic", subjectParameters)
}
/**
* Computes the email body for notification messages
*/
func (a *App) getNotificationEmailBody(recipient *model.User, post *model.Post, channel *model.Channel, channelName string, senderName string, teamName string, teamURL string, emailNotificationContentsType string, useMilitaryTime bool, translateFunc i18n.TranslateFunc) string {
// only include message contents in notification email if email notification contents type is set to full
var bodyPage *utils.HTMLTemplate
if emailNotificationContentsType == model.EMAIL_NOTIFICATION_CONTENTS_FULL {
bodyPage = a.NewEmailTemplate("post_body_full", recipient.Locale)
bodyPage.Props["PostMessage"] = a.GetMessageForNotification(post, translateFunc)
} else {
bodyPage = a.NewEmailTemplate("post_body_generic", recipient.Locale)
}
bodyPage.Props["SiteURL"] = a.GetSiteURL()
if teamName != "select_team" {
bodyPage.Props["TeamLink"] = teamURL + "/pl/" + post.Id
} else {
bodyPage.Props["TeamLink"] = teamURL
}
t := getFormattedPostTime(recipient, post, useMilitaryTime, translateFunc)
info := map[string]interface{}{
"Hour": t.Hour,
"Minute": t.Minute,
"TimeZone": t.TimeZone,
"Month": t.Month,
"Day": t.Day,
}
if channel.Type == model.CHANNEL_DIRECT {
if emailNotificationContentsType == model.EMAIL_NOTIFICATION_CONTENTS_FULL {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.direct.full")
bodyPage.Props["Info1"] = ""
info["SenderName"] = senderName
bodyPage.Props["Info2"] = translateFunc("app.notification.body.text.direct.full", info)
} else {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.direct.generic", map[string]interface{}{
"SenderName": senderName,
})
bodyPage.Props["Info"] = translateFunc("app.notification.body.text.direct.generic", info)
}
} else if channel.Type == model.CHANNEL_GROUP {
if emailNotificationContentsType == model.EMAIL_NOTIFICATION_CONTENTS_FULL {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.group_message.full")
bodyPage.Props["Info1"] = translateFunc("app.notification.body.text.group_message.full",
map[string]interface{}{
"ChannelName": channelName,
})
info["SenderName"] = senderName
bodyPage.Props["Info2"] = translateFunc("app.notification.body.text.group_message.full2", info)
} else {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.group_message.generic", map[string]interface{}{
"SenderName": senderName,
})
bodyPage.Props["Info"] = translateFunc("app.notification.body.text.group_message.generic", info)
}
} else {
if emailNotificationContentsType == model.EMAIL_NOTIFICATION_CONTENTS_FULL {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.notification.full")
bodyPage.Props["Info1"] = translateFunc("app.notification.body.text.notification.full",
map[string]interface{}{
"ChannelName": channelName,
})
info["SenderName"] = senderName
bodyPage.Props["Info2"] = translateFunc("app.notification.body.text.notification.full2", info)
} else {
bodyPage.Props["BodyText"] = translateFunc("app.notification.body.intro.notification.generic", map[string]interface{}{
"SenderName": senderName,
})
bodyPage.Props["Info"] = translateFunc("app.notification.body.text.notification.generic", info)
}
}
bodyPage.Props["Button"] = translateFunc("api.templates.post_body.button")
return bodyPage.Render()
}
type formattedPostTime struct {
Time time.Time
Year string
Month string
Day string
Hour string
Minute string
TimeZone string
}
func getFormattedPostTime(user *model.User, post *model.Post, useMilitaryTime bool, translateFunc i18n.TranslateFunc) formattedPostTime {
preferredTimezone := user.GetPreferredTimezone()
postTime := time.Unix(post.CreateAt/1000, 0)
zone, _ := postTime.Zone()
localTime := postTime
if preferredTimezone != "" {
loc, _ := time.LoadLocation(preferredTimezone)
if loc != nil {
localTime = postTime.In(loc)
zone, _ = localTime.Zone()
}
}
hour := localTime.Format("15")
period := ""
if !useMilitaryTime {
hour = localTime.Format("3")
period = " " + localTime.Format("PM")
}
return formattedPostTime{
Time: localTime,
Year: fmt.Sprintf("%d", localTime.Year()),
Month: translateFunc(localTime.Month().String()),
Day: fmt.Sprintf("%d", localTime.Day()),
Hour: hour,
Minute: fmt.Sprintf("%02d"+period, localTime.Minute()),
TimeZone: zone,
}
}
func (a *App) GetMessageForNotification(post *model.Post, translateFunc i18n.TranslateFunc) string {
if len(strings.TrimSpace(post.Message)) != 0 || len(post.FileIds) == 0 {
return post.Message
}
// extract the filenames from their paths and determine what type of files are attached
result := <-a.Srv.Store.FileInfo().GetForPost(post.Id, true, true)
if result.Err != nil {
mlog.Warn(fmt.Sprintf("Encountered error when getting files for notification message, post_id=%v, err=%v", post.Id, result.Err), mlog.String("post_id", post.Id))
}
infos := result.Data.([]*model.FileInfo)
filenames := make([]string, len(infos))
onlyImages := true
for i, info := range infos {
if escaped, err := url.QueryUnescape(filepath.Base(info.Name)); err != nil {
// this should never error since filepath was escaped using url.QueryEscape
filenames[i] = escaped
} else {
filenames[i] = info.Name
}
onlyImages = onlyImages && info.IsImage()
}
props := map[string]interface{}{"Filenames": strings.Join(filenames, ", ")}
if onlyImages {
return translateFunc("api.post.get_message_for_notification.images_sent", len(filenames), props)
}
return translateFunc("api.post.get_message_for_notification.files_sent", len(filenames), props)
}