-
-
Notifications
You must be signed in to change notification settings - Fork 1
/
chat.go
117 lines (105 loc) · 3.23 KB
/
chat.go
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
116
117
package service
import (
"github.com/emilhauk/chitchat/internal/manager"
"github.com/emilhauk/chitchat/internal/model"
"github.com/pkg/errors"
)
type Chat struct {
userManager manager.User
channelManager manager.Channel
messageManager manager.Message
}
func NewChatService(userManager manager.User, channelManager manager.Channel, messageManager manager.Message) Chat {
return Chat{
userManager: userManager,
channelManager: channelManager,
messageManager: messageManager,
}
}
func (s Chat) GetChannel(channelUUID string, user model.User) (model.Channel, error) {
var channel model.Channel
channel, err := s.channelManager.GetChannelForUser(channelUUID, user.UUID)
if err != nil {
return channel, errors.Wrapf(err, "failed to load channel=%s", channelUUID)
}
member, err := s.channelManager.GetMemberInfo(channelUUID, user.UUID)
if err != nil {
return channel, err
}
channel.IsCurrentUserAdmin = member.Role == model.RoleAdmin
messages, err := s.messageManager.FindMessagesForChannel(channelUUID)
if err != nil {
return channel, errors.Wrapf(err, "failed to load messages for channel=%s", channelUUID)
}
channel.Messages = messages
err = s.enhanceMessages(messages, user)
if err != nil {
return channel, errors.Wrapf(err, "failed to enhance messages for channel=%s", channelUUID)
}
return channel, nil
}
func (s Chat) GetChannelList(user model.User) ([]model.Channel, error) {
channels, err := s.channelManager.GetChannelListForUser(user.UUID)
if err != nil {
return channels, errors.Wrap(err, "failed to load channel list")
}
if len(channels) == 0 {
return channels, nil
}
channelUUIDs := make([]string, 0)
for i := range channels {
channelUUIDs = append(channelUUIDs, channels[i].UUID)
}
messages, err := s.messageManager.FindLastMessageForChannels(channelUUIDs...)
if err != nil {
return channels, errors.Wrap(err, "failed to load last message for channels")
}
err = s.enhanceMessages(messages, user)
if err != nil {
return channels, errors.Wrap(err, "failed to enhance messages for channels")
}
for i := range channels {
for _, m := range messages {
if channels[i].UUID == m.ChannelUUID {
channels[i].Messages = append(channels[i].Messages, m)
}
}
}
return channels, nil
}
func (s Chat) AcceptInvitation(invitationCode, userUUID string) error {
channel, err := s.channelManager.FindByUUID(invitationCode)
if err != nil {
return err
}
user, err := s.userManager.FindByUUID(userUUID)
if err != nil {
return err
}
return s.channelManager.AddMember(channel, user, "")
}
func (s Chat) IsMemberOfChannel(channelUUID, userUUID string) (bool, error) {
_, err := s.channelManager.GetMemberInfo(channelUUID, userUUID)
if err != nil {
return false, err
}
return true, err
}
func (s Chat) enhanceMessages(messages []model.Message, user model.User) error {
userUUIDs := make([]string, 0)
for i := range messages {
userUUIDs = append(userUUIDs, messages[i].Sender.UUID)
}
users, err := s.userManager.FindAllByUUIDs(userUUIDs...)
if err != nil {
return err
}
for i := range messages {
messages[i].Sender = users[messages[i].Sender.UUID]
messages[i].Direction = model.DirectionIn
if messages[i].Sender.UUID == user.UUID {
messages[i].Direction = model.DirectionOut
}
}
return nil
}