/
mgr.go
113 lines (104 loc) · 2.17 KB
/
mgr.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
package xnews
import (
"context"
"errors"
"github.com/intmian/mian_go_lib/tool/misc"
"sync"
)
type XNews struct {
topics map[string]*Topic
misc.InitTag
l sync.RWMutex
ctx context.Context
}
func NewXNews(ctx context.Context) (*XNews, error) {
x := &XNews{}
err := x.Init(ctx)
if err != nil {
return nil, err
}
return x, nil
}
func (x *XNews) Init(ctx context.Context) error {
*x = XNews{}
x.topics = make(map[string]*Topic)
x.SetInitialized()
x.ctx = ctx
return nil
}
func (x *XNews) AddTopic(name string, setting TopicSetting) error {
if !x.IsInitialized() {
return misc.ErrNotInit
}
x.l.Lock()
defer x.l.Unlock()
if _, ok := x.topics[name]; ok {
return ErrTopicAlreadyExist
}
t := &Topic{}
ctx := context.WithoutCancel(x.ctx)
err := t.Init(name, setting, ctx)
x.topics[name] = t
if err != nil {
return errors.Join(err, ErrInit)
}
return nil
}
func (x *XNews) DelTopic(name string) error {
if !x.IsInitialized() {
return misc.ErrNotInit
}
x.l.Lock()
defer x.l.Unlock()
if _, ok := x.topics[name]; !ok {
return ErrTopicNotExist
}
delete(x.topics, name)
return nil
}
func (x *XNews) GetTopic(name string) ([]string, error) {
if !x.IsInitialized() {
return nil, misc.ErrNotInit
}
x.l.RLock()
defer x.l.RUnlock()
if _, ok := x.topics[name]; !ok {
return nil, ErrTopicNotExist
}
topic := x.topics[name]
result, err := topic.Get()
if err != nil {
return nil, errors.Join(err, ErrGetTopicFailed)
}
return result, nil
}
func (x *XNews) AddMessage(topic string, message string) error {
if !x.IsInitialized() {
return misc.ErrNotInit
}
x.l.RLock()
defer x.l.RUnlock()
if _, ok := x.topics[topic]; !ok {
return ErrTopicNotExist
}
err := x.topics[topic].AddMessage(message, nil)
if err != nil {
return errors.Join(err, ErrAddMessageFailed)
}
return nil
}
func (x *XNews) AddMessageWithExpire(topic string, message string, expire TopicTimeRemain) error {
if !x.IsInitialized() {
return misc.ErrNotInit
}
x.l.RLock()
defer x.l.RUnlock()
if _, ok := x.topics[topic]; !ok {
return ErrTopicNotExist
}
err := x.topics[topic].AddMessage(message, &expire)
if err != nil {
return errors.Join(err, ErrAddMessageFailed)
}
return nil
}