1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"strconv"
"strings"
"time"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/model"
goi18n "github.com/nicksnyder/go-i18n/i18n"
)
var echoSem chan bool
type EchoProvider struct {
}
const (
CMD_ECHO = "echo"
)
func init() {
RegisterCommandProvider(&EchoProvider{})
}
func (me *EchoProvider) GetTrigger() string {
return CMD_ECHO
}
func (me *EchoProvider) GetCommand(T goi18n.TranslateFunc) *model.Command {
return &model.Command{
Trigger: CMD_ECHO,
AutoComplete: true,
AutoCompleteDesc: T("api.command_echo.desc"),
AutoCompleteHint: T("api.command_echo.hint"),
DisplayName: T("api.command_echo.name"),
}
}
func (me *EchoProvider) DoCommand(args *model.CommandArgs, message string) *model.CommandResponse {
if len(message) == 0 {
return &model.CommandResponse{Text: args.T("api.command_echo.message.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
}
maxThreads := 100
delay := 0
if endMsg := strings.LastIndex(message, "\""); string(message[0]) == "\"" && endMsg > 1 {
if checkDelay, err := strconv.Atoi(strings.Trim(message[endMsg:], " \"")); err == nil {
delay = checkDelay
}
message = message[1:endMsg]
} else if strings.Index(message, " ") > -1 {
delayIdx := strings.LastIndex(message, " ")
delayStr := strings.Trim(message[delayIdx:], " ")
if checkDelay, err := strconv.Atoi(delayStr); err == nil {
delay = checkDelay
message = message[:delayIdx]
}
}
if delay > 10000 {
return &model.CommandResponse{Text: args.T("api.command_echo.delay.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
}
if echoSem == nil {
// We want one additional thread allowed so we never reach channel lockup
echoSem = make(chan bool, maxThreads+1)
}
if len(echoSem) >= maxThreads {
return &model.CommandResponse{Text: args.T("api.command_echo.high_volume.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
}
echoSem <- true
go func() {
defer func() { <-echoSem }()
post := &model.Post{}
post.ChannelId = args.ChannelId
post.RootId = args.RootId
post.ParentId = args.ParentId
post.Message = message
post.UserId = args.UserId
time.Sleep(time.Duration(delay) * time.Second)
if _, err := CreatePost(post, args.TeamId, true); err != nil {
l4g.Error(args.T("api.command_echo.create.app_error"), err)
}
}()
return &model.CommandResponse{}
}
|
