/
conf.go
158 lines (135 loc) · 2.8 KB
/
conf.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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
package toybox
import (
"fmt"
"strings"
"github.com/inoth/toybox/util"
"github.com/BurntSushi/toml"
)
const (
Toml = "toml"
Yaml = "yaml"
Json = "json"
)
var (
appconfig Conf
)
var (
default_config = SetConfig{
ConfDir: "config",
Env: "",
FileType: "toml",
}
)
type Conf interface {
Path() string
Pattern() string
SetConfig(cfg string)
Decode() error
GetBaseConf() map[string]interface{}
}
type conf struct {
Base map[string]interface{} `toml:"base"`
Component map[string]toml.Primitive `toml:"component"`
Server map[string]toml.Primitive `toml:"server"`
}
type ConfigMate interface {
PrimitiveDecodeComponent(cpts ...Component) error
PrimitiveDecodeServer(svrs ...Server) error
}
type SetConfig struct {
ConfDir string
Env string
FileType string
}
func newConfig(cfgs ...SetConfig) Conf {
cfg := util.First(default_config, cfgs)
switch cfg.FileType {
case Toml:
return &ConfWithToml{
ConfDir: cfg.ConfDir,
Env: cfg.Env,
}
default:
panic(fmt.Errorf("unknown file type"))
}
}
func loadConfig(cfgs ...SetConfig) Conf {
cfg := newConfig(cfgs...)
paths, err := util.PathGlobPattern(cfg.Path() + cfg.Pattern())
if err != nil {
panic(fmt.Errorf("no configuration available"))
}
var sb strings.Builder
for _, path := range paths {
buf, err := util.ReadFile(path)
if err != nil {
fmt.Printf("%s read file err: %v", path, err)
continue
}
sb.Write(buf)
sb.WriteString("\n")
}
tomlStr := sb.String()
cfg.SetConfig(tomlStr)
if err := cfg.Decode(); err != nil {
panic(fmt.Errorf("parsing configuration err: %v", err))
}
return cfg
}
func NewConfig() ConfigMate {
return loadConfig().(ConfigMate)
}
func WithConfigMate(mate ConfigMate) Option {
return func(tb *ToyBox) {
tb.mate = mate
}
}
func WithLoadConf(cfgs ...SetConfig) Option {
cfg := loadConfig(cfgs...)
appconfig = cfg
return func(tb *ToyBox) {
tb.mate = cfg.(ConfigMate)
}
}
func GetConfMate() ConfigMate {
if appconfig == nil {
return nil
}
return appconfig.(ConfigMate)
}
func GetString(key string) string {
if res, ok := util.GetStringValue(appconfig.GetBaseConf(), key); ok {
return res
}
return ""
}
func GetInt(key string) int {
if res, ok := util.GetIntValue(appconfig.GetBaseConf(), key); ok {
return res
}
return 0
}
func GetFloat(key string) float64 {
if res, ok := util.GetFloatValue(appconfig.GetBaseConf(), key); ok {
return res
}
return 0
}
func GetBool(key string) bool {
if res, ok := util.GetBoolValue(appconfig.GetBaseConf(), key); ok {
return res
}
return false
}
func GetStringSlice(key string) []string {
if res, ok := util.GetInterfaceSlice(appconfig.GetBaseConf(), key); ok {
r := make([]string, 0, len(res))
for _, rs := range res {
if val, ok := rs.(string); ok {
r = append(r, val)
}
}
return r
}
return nil
}