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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"net/http"
"github.com/mattermost/mattermost-server/model"
)
func (a *App) SaveReactionForPost(reaction *model.Reaction) (*model.Reaction, *model.AppError) {
post, err := a.GetSinglePost(reaction.PostId)
if err != nil {
return nil, err
}
channel, err := a.GetChannel(post.ChannelId)
if err != nil {
return nil, err
}
if channel.DeleteAt > 0 {
return nil, model.NewAppError("deleteReactionForPost", "api.reaction.save.archived_channel.app_error", nil, "", http.StatusForbidden)
}
if a.License() != nil && *a.Config().TeamSettings.ExperimentalTownSquareIsReadOnly && channel.Name == model.DEFAULT_CHANNEL {
user, err := a.GetUser(reaction.UserId)
if err != nil {
return nil, err
}
if !a.RolesGrantPermission(user.GetRoles(), model.PERMISSION_MANAGE_SYSTEM.Id) {
return nil, model.NewAppError("saveReactionForPost", "api.reaction.town_square_read_only", nil, "", http.StatusForbidden)
}
}
result := <-a.Srv.Store.Reaction().Save(reaction)
if result.Err != nil {
return nil, result.Err
}
reaction = result.Data.(*model.Reaction)
a.Go(func() {
a.sendReactionEvent(model.WEBSOCKET_EVENT_REACTION_ADDED, reaction, post, true)
})
return reaction, nil
}
func (a *App) GetReactionsForPost(postId string) ([]*model.Reaction, *model.AppError) {
result := <-a.Srv.Store.Reaction().GetForPost(postId, true)
if result.Err != nil {
return nil, result.Err
}
return result.Data.([]*model.Reaction), nil
}
func (a *App) DeleteReactionForPost(reaction *model.Reaction) *model.AppError {
post, err := a.GetSinglePost(reaction.PostId)
if err != nil {
return err
}
channel, err := a.GetChannel(post.ChannelId)
if err != nil {
return err
}
if channel.DeleteAt > 0 {
return model.NewAppError("deleteReactionForPost", "api.reaction.delete.archived_channel.app_error", nil, "", http.StatusForbidden)
}
if a.License() != nil && *a.Config().TeamSettings.ExperimentalTownSquareIsReadOnly && channel.Name == model.DEFAULT_CHANNEL {
user, err := a.GetUser(reaction.UserId)
if err != nil {
return err
}
if !a.RolesGrantPermission(user.GetRoles(), model.PERMISSION_MANAGE_SYSTEM.Id) {
return model.NewAppError("deleteReactionForPost", "api.reaction.town_square_read_only", nil, "", http.StatusForbidden)
}
}
hasReactions := true
if reactions, _ := a.GetReactionsForPost(post.Id); len(reactions) <= 1 {
hasReactions = false
}
if result := <-a.Srv.Store.Reaction().Delete(reaction); result.Err != nil {
return result.Err
}
a.Go(func() {
a.sendReactionEvent(model.WEBSOCKET_EVENT_REACTION_REMOVED, reaction, post, hasReactions)
})
return nil
}
func (a *App) sendReactionEvent(event string, reaction *model.Reaction, post *model.Post, hasReactions bool) {
// send out that a reaction has been added/removed
message := model.NewWebSocketEvent(event, "", post.ChannelId, "", nil)
message.Add("reaction", reaction.ToJson())
a.Publish(message)
// The post is always modified since the UpdateAt always changes
a.InvalidateCacheForChannelPosts(post.ChannelId)
post.HasReactions = hasReactions
post.UpdateAt = model.GetMillis()
umessage := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_POST_EDITED, "", post.ChannelId, "", nil)
umessage.Add("post", a.PostWithProxyAddedToImageURLs(post).ToJson())
a.Publish(umessage)
}
|
