-
Notifications
You must be signed in to change notification settings - Fork 2
/
els.go
174 lines (141 loc) · 4.43 KB
/
els.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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
package core
import (
"bytes"
"encoding/json"
"github.com/elastic/go-elasticsearch/v7"
"github.com/elastic/go-elasticsearch/v7/esapi"
"github.com/go-errors/errors"
"github.com/pskclub/mine-core/utils"
"github.com/tidwall/gjson"
"io"
"io/ioutil"
"reflect"
)
type ELS struct {
Address string
User string
Password string
}
type els struct {
connection *elasticsearch.Client
}
type IELS interface {
Client() *elasticsearch.Client
CreateIndex(name string, body map[string]interface{}, options *ELSCreateIndexOptions) error
Create(dest interface{}, index string, id string, body interface{}, options *ELSCreateIndexOptions) (*esapi.Response, error)
CreateOrUpdate(dest interface{}, index string, id string, body interface{}, options *ELSUpdateOptions) (*esapi.Response, error)
Update(dest interface{}, index string, id string, body interface{}, options *ELSUpdateOptions) (*esapi.Response, error)
SearchPagination(dest interface{}, index string, body map[string]interface{}, pageOptions *PageOptions, opts *ELSCreateSearchOptions) (*PageResponse, error)
}
func (e ELS) Connect() (IELS, error) {
client, err := elasticsearch.NewClient(elasticsearch.Config{
Addresses: []string{e.Address},
Username: e.User,
Password: e.Password,
})
if err != nil {
return nil, err
}
return &els{connection: client}, nil
}
func NewELS(env *ENVConfig) *ELS {
return &ELS{
Address: env.ELSAddress,
User: env.ELSUser,
Password: env.ELSPassword,
}
}
func (e els) Client() *elasticsearch.Client {
return e.connection
}
type ELSCreateIndexOptions struct {
}
func (e els) CreateIndex(name string, body map[string]interface{}, options *ELSCreateIndexOptions) error {
_, err := e.Client().Indices.Create(name)
if err != nil {
return err
}
if body != nil {
res, err := e.Client().Indices.PutMapping(e.interfaceToReader(body), e.Client().Indices.PutMapping.WithIndex(name))
if err != nil {
return err
}
if res.IsError() {
return errors.New(res.String())
}
}
return nil
}
type ELSCreateCreateOptions struct {
}
func (e els) Create(dest interface{}, index string, id string, body interface{}, options *ELSCreateIndexOptions) (*esapi.Response, error) {
res, err := e.Client().Create(index, id, e.interfaceToReader(body))
if err != nil {
return nil, err
}
if res.IsError() {
return nil, errors.New(res.String())
}
_ = utils.JSONParse(utils.StringToBytes(res.String()), dest)
return res, nil
}
type ELSCreateSearchOptions struct {
}
func (e els) getFrom(pageOptions *PageOptions) int64 {
return pageOptions.Limit * (pageOptions.Page - 1)
}
func (e els) SearchPagination(dest interface{}, index string, body map[string]interface{}, pageOptions *PageOptions, opts *ELSCreateSearchOptions) (*PageResponse, error) {
body["from"] = e.getFrom(pageOptions)
body["size"] = pageOptions.Limit
res, err := e.Client().Search(e.Client().Search.WithBody(bytes.NewBufferString(utils.JSONToString(body))), e.Client().Search.WithIndex(index))
if err != nil {
return nil, err
}
if res.IsError() {
return nil, errors.New(res.String())
}
resByte, _ := ioutil.ReadAll(res.Body)
result := gjson.GetManyBytes(resByte, "hits.hits.#._source", "hits.total.value")
_ = json.Unmarshal([]byte(result[0].Raw), dest)
return &PageResponse{
Total: result[1].Int(),
Limit: pageOptions.Limit,
Count: int64(reflect.ValueOf(dest).Elem().Len()),
Page: pageOptions.Page,
Q: pageOptions.Q,
OrderBy: pageOptions.OrderBy,
}, nil
}
type ELSUpdateOptions struct {
}
func (e els) CreateOrUpdate(dest interface{}, index string, id string, body interface{}, options *ELSUpdateOptions) (*esapi.Response, error) {
newBody := Map{
"doc": body,
"doc_as_upsert": true,
}
res, err := e.Client().Update(index, id, e.interfaceToReader(newBody))
if err != nil {
return nil, err
}
if res.IsError() {
return nil, errors.New(res.String())
}
_ = utils.JSONParse(utils.StringToBytes(res.String()), dest)
return res, nil
}
func (e els) Update(dest interface{}, index string, id string, body interface{}, options *ELSUpdateOptions) (*esapi.Response, error) {
res, err := e.Client().Update(index, id, e.interfaceToReader(body))
if err != nil {
return nil, err
}
if res.IsError() {
return nil, errors.New(res.String())
}
_ = utils.JSONParse(utils.StringToBytes(res.String()), dest)
return res, nil
}
func (e els) interfaceToReader(body interface{}) io.Reader {
var buf bytes.Buffer
_ = json.NewEncoder(&buf).Encode(body)
return &buf
}