|
1
|
-package repository
|
|
|
|
2
|
-
|
|
|
|
3
|
-import (
|
|
|
|
4
|
- "bytes"
|
|
|
|
5
|
- "encoding/gob"
|
|
|
|
6
|
- "fmt"
|
|
|
|
7
|
- "github.com/go-pg/pg/v10/orm"
|
|
|
|
8
|
- "github.com/linmadan/egglib-go/utils/snowflake"
|
|
|
|
9
|
-)
|
|
|
|
10
|
-
|
|
|
|
11
|
-var (
|
|
|
|
12
|
- ERR_EMPTY_TC = fmt.Errorf("transactionContext参数不能为nil")
|
|
|
|
13
|
-)
|
|
|
|
14
|
-
|
|
|
|
15
|
-type Query struct {
|
|
|
|
16
|
- *orm.Query
|
|
|
|
17
|
- queryOptions map[string]interface{}
|
|
|
|
18
|
- AffectRow int
|
|
|
|
19
|
-}
|
|
|
|
20
|
-
|
|
|
|
21
|
-func NewQuery(query *orm.Query, queryOptions map[string]interface{}) *Query {
|
|
|
|
22
|
- return &Query{
|
|
|
|
23
|
- query,
|
|
|
|
24
|
- queryOptions,
|
|
|
|
25
|
- 0,
|
|
|
|
26
|
- }
|
|
|
|
27
|
-}
|
|
|
|
28
|
-
|
|
|
|
29
|
-func (query *Query) SetWhere(condition, key string) *Query {
|
|
|
|
30
|
- if v, ok := query.queryOptions[key]; ok {
|
|
|
|
31
|
- query.Where(condition, v)
|
|
|
|
32
|
- }
|
|
|
|
33
|
- return query
|
|
|
|
34
|
-}
|
|
|
|
35
|
-
|
|
|
|
36
|
-func (query *Query) SetLimit() *Query {
|
|
|
|
37
|
- if offset, ok := query.queryOptions["offset"]; ok {
|
|
|
|
38
|
- offset := offset.(int)
|
|
|
|
39
|
- if offset > -1 {
|
|
|
|
40
|
- query.Offset(offset)
|
|
|
|
41
|
- }
|
|
|
|
42
|
- } else {
|
|
|
|
43
|
- query.Offset(0)
|
|
|
|
44
|
- }
|
|
|
|
45
|
- if limit, ok := query.queryOptions["limit"]; ok {
|
|
|
|
46
|
- limit := limit.(int)
|
|
|
|
47
|
- if limit > -1 {
|
|
|
|
48
|
- query.Limit(limit)
|
|
|
|
49
|
- } else {
|
|
|
|
50
|
- query.Limit(20)
|
|
|
|
51
|
- }
|
|
|
|
52
|
- }
|
|
|
|
53
|
- return query
|
|
|
|
54
|
-}
|
|
|
|
55
|
-
|
|
|
|
56
|
-func (query *Query) SetOrder(orderColumn string, key string) *Query {
|
|
|
|
57
|
- //query.Order(condition...)
|
|
|
|
58
|
- //return query
|
|
|
|
59
|
- if v, ok := query.queryOptions[key]; ok {
|
|
|
|
60
|
- query.Order(fmt.Sprintf("%v %v", orderColumn, v))
|
|
|
|
61
|
- }
|
|
|
|
62
|
- return query
|
|
|
|
63
|
-}
|
|
|
|
64
|
-
|
|
|
|
65
|
-func (query *Query) HandleError(err error, errMsg string) error {
|
|
|
|
66
|
- if err.Error() == "pg: no rows in result set" {
|
|
|
|
67
|
- return fmt.Errorf(errMsg)
|
|
|
|
68
|
- } else {
|
|
|
|
69
|
- return err
|
|
|
|
70
|
- }
|
|
|
|
71
|
-}
|
|
|
|
72
|
-
|
|
|
|
73
|
-func NewSnowflakeId() (int64, error) {
|
|
|
|
74
|
- IdWorker, err := snowflake.NewIdWorker(2)
|
|
|
|
75
|
- if err != nil {
|
|
|
|
76
|
- return 0, err
|
|
|
|
77
|
- }
|
|
|
|
78
|
- id, err := IdWorker.NextId()
|
|
|
|
79
|
- return id, err
|
|
|
|
80
|
-}
|
|
|
|
81
|
-
|
|
|
|
82
|
-//GobModelTransform 模型转换
|
|
|
|
83
|
-func GobModelTransform(dst interface{}, src interface{}) error {
|
|
|
|
84
|
- var data bytes.Buffer
|
|
|
|
85
|
- enc := gob.NewEncoder(&data)
|
|
|
|
86
|
- if err := enc.Encode(src); err != nil {
|
|
|
|
87
|
- return err
|
|
|
|
88
|
- }
|
|
|
|
89
|
- dec := gob.NewDecoder(&data)
|
|
|
|
90
|
- if err := dec.Decode(dst); err != nil {
|
|
|
|
91
|
- return err
|
|
|
|
92
|
- }
|
|
|
|
93
|
- return nil
|
|
|
|
94
|
-} |
|
|