github.com/mattermosttest/mattermost-server/v5@v5.0.0-20200917143240-9dfa12e121f9/app/command_join.go (about)

     1  // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
     2  // See LICENSE.txt for license information.
     3  
     4  package app
     5  
     6  import (
     7  	"strings"
     8  
     9  	goi18n "github.com/mattermost/go-i18n/i18n"
    10  	"github.com/mattermost/mattermost-server/v5/model"
    11  )
    12  
    13  type JoinProvider struct {
    14  }
    15  
    16  const (
    17  	CMD_JOIN = "join"
    18  )
    19  
    20  func init() {
    21  	RegisterCommandProvider(&JoinProvider{})
    22  }
    23  
    24  func (me *JoinProvider) GetTrigger() string {
    25  	return CMD_JOIN
    26  }
    27  
    28  func (me *JoinProvider) GetCommand(a *App, T goi18n.TranslateFunc) *model.Command {
    29  	return &model.Command{
    30  		Trigger:          CMD_JOIN,
    31  		AutoComplete:     true,
    32  		AutoCompleteDesc: T("api.command_join.desc"),
    33  		AutoCompleteHint: T("api.command_join.hint"),
    34  		DisplayName:      T("api.command_join.name"),
    35  	}
    36  }
    37  
    38  func (me *JoinProvider) DoCommand(a *App, args *model.CommandArgs, message string) *model.CommandResponse {
    39  	channelName := message
    40  
    41  	if strings.HasPrefix(message, "~") {
    42  		channelName = message[1:]
    43  	}
    44  
    45  	channel, err := a.Srv().Store.Channel().GetByName(args.TeamId, channelName, true)
    46  	if err != nil {
    47  		return &model.CommandResponse{Text: args.T("api.command_join.list.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    48  	}
    49  
    50  	if channel.Name != channelName {
    51  		return &model.CommandResponse{ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL, Text: args.T("api.command_join.missing.app_error")}
    52  	}
    53  
    54  	switch channel.Type {
    55  	case model.CHANNEL_OPEN:
    56  		if !a.HasPermissionToChannel(args.UserId, channel.Id, model.PERMISSION_JOIN_PUBLIC_CHANNELS) {
    57  			return &model.CommandResponse{Text: args.T("api.command_join.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    58  		}
    59  	case model.CHANNEL_PRIVATE:
    60  		if !a.HasPermissionToChannel(args.UserId, channel.Id, model.PERMISSION_READ_CHANNEL) {
    61  			return &model.CommandResponse{Text: args.T("api.command_join.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    62  		}
    63  	default:
    64  		return &model.CommandResponse{Text: args.T("api.command_join.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    65  	}
    66  
    67  	if appErr := a.JoinChannel(channel, args.UserId); appErr != nil {
    68  		return &model.CommandResponse{Text: args.T("api.command_join.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    69  	}
    70  
    71  	team, appErr := a.GetTeam(channel.TeamId)
    72  	if appErr != nil {
    73  		return &model.CommandResponse{Text: args.T("api.command_join.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
    74  	}
    75  
    76  	return &model.CommandResponse{GotoLocation: args.SiteURL + "/" + team.Name + "/channels/" + channel.Name}
    77  }