hunk.code_window: }
   func InitDBCommandContextCobraReadWrite(command *cobra.Command) (*app.App, error) {
   	return initDBCommandContextCobra(command, false)
   }
   func initDBCommandContext(configDSN string, readOnlyConfigStore bool) (*app.App, error) {
   	if err := utils.TranslationsPreInit(); err != nil {
   		return nil, err
   	}
  
hunk.labels: keep keep replace replace replace replace replace keep keep keep
hunk.after_edit: func initDBCommandContext(configDSN string, readOnlyConfigStore bool, options ...app.Option) (*app.App, error) {
  
hunk.file_path: cmd/mattermost/commands/init.go
hunk.type: replace
file: // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
  // See LICENSE.txt for license information.
  
  package app
  
  import (
  	"bytes"
  	"context"
  	"fmt"
  	"image"
  	"mime/multipart"
  	"regexp"
  	"strings"
  	"time"
  
  	"github.com/mattermost/mattermost-server/v6/app/request"
  	"github.com/mattermost/mattermost-server/v6/model"
  	"github.com/mattermost/mattermost-server/v6/services/slackimport"
  	"github.com/mattermost/mattermost-server/v6/store"
  )
  
  func (a *App) SlackImport(c *request.Context, fileData multipart.File, fileSize int64, teamID string) (*model.AppError, *bytes.Buffer) {
  	actions := slackimport.Actions{
  		UpdateActive: func(user *model.User, active bool) (*model.User, *model.AppError) {
  			return a.UpdateActive(c, user, active)
  		},
  		AddUserToChannel: a.AddUserToChannel,
  		JoinUserToTeam: func(team *model.Team, user *model.User, userRequestorId string) (*model.TeamMember, *model.AppError) {
  			return a.JoinUserToTeam(c, team, user, userRequestorId)
  		},
  		CreateDirectChannel: a.createDirectChannel,
  		CreateGroupChannel:  a.createGroupChannel,
  		CreateChannel: func(channel *model.Channel, addMember bool) (*model.Channel, *model.AppError) {
  			return a.CreateChannel(c, channel, addMember)
  		},
  		DoUploadFile: func(now time.Time, rawTeamId string, rawChannelId string, rawUserId string, rawFilename string, data []byte) (*model.FileInfo, *model.AppError) {
  			return a.DoUploadFile(c, now, rawTeamId, rawChannelId, rawUserId, rawFilename, data)
  		},
  		GenerateThumbnailImage: a.generateThumbnailImage,
  		GeneratePreviewImage:   a.generatePreviewImage,
  		InvalidateAllCaches:    func() { a.ch.srv.InvalidateAllCaches() },
  		MaxPostSize:            func() int { return a.ch.srv.platform.MaxPostSize() },
  		PrepareImage: func(fileData []byte) (image.Image, string, func(), error) {
  			img, imgType, release, err := prepareImage(a.ch.imgDecoder, bytes.NewReader(fileData))
  			if err != nil {
  				return nil, "", nil, err
  			}
  			return img, imgType, release, err
  		},
  	}
  
  	importer := slackimport.New(a.Srv().Store(), actions, a.Config())
  	return importer.SlackImport(c, fileData, fileSize, teamID)
  }
  
  func (a *App) ProcessSlackText(text string) string {
  	text = expandAnnouncement(text)
  	text = replaceUserIds(a.Srv().Store().User(), text)
  
  	return text
  }
  
  // Expand announcements in incoming webhooks from Slack. Those announcements
  // can be found in the text attribute, or in the pretext, text, title and value
  // attributes of the attachment structure. The Slack attachment structure is
  // documented here: https://api.slack.com/docs/attachments
  func (a *App) ProcessSlackAttachments(attachments []*model.SlackAttachment) []*model.SlackAttachment {
  	var nonNilAttachments = model.StringifySlackFieldValue(attachments)
  	for _, attachment := range attachments {
  		attachment.Pretext = a.ProcessSlackText(attachment.Pretext)
  		attachment.Text = a.ProcessSlackText(attachment.Text)
  		attachment.Title = a.ProcessSlackText(attachment.Title)
  
  		for _, field := range attachment.Fields {
  			if field != nil && field.Value != nil {
  				// Ensure the value is set to a string if it is set
  				field.Value = a.ProcessSlackText(fmt.Sprintf("%v", field.Value))
  			}
  		}
  	}
  	return nonNilAttachments
  }
  
  // To mention @channel or @here via a webhook in Slack, the message should contain
  // <!channel> or <!here>, as explained at the bottom of this article:
  // https://get.slack.help/hc/en-us/articles/202009646-Making-announcements
  func expandAnnouncement(text string) string {
  	a1 := [3]string{"<!channel>", "<!here>", "<!all>"}
  	a2 := [3]string{"@channel", "@here", "@all"}
  
  	for i, a := range a1 {
  		text = strings.Replace(text, a, a2[i], -1)
  	}
  	return text
  }
  
  // Replaces user IDs mentioned like this <@userID> to a normal username (eg. @bob)
  // This is required so that Mattermost maintains Slack compatibility
  // Refer to: https://api.slack.com/changelog/2017-09-the-one-about-usernames
  func replaceUserIds(userStore store.UserStore, text string) string {
  	rgx, err := regexp.Compile("<@([a-zA-Z0-9]+)>")
  	if err == nil {
  		userIDs := make([]string, 0)
  		matches := rgx.FindAllStringSubmatch(text, -1)
  		for _, match := range matches {
  			userIDs = append(userIDs, match[1])
  		}
  
  		if users, err := userStore.GetProfileByIds(context.Background(), userIDs, nil, true); err == nil {
  			for _, user := range users {
  				text = strings.Replace(text, "<@"+user.Id+">", "@"+user.Username, -1)
  			}
  		}
  	}
  	return text
  }
  