eqtypes/sql_to_json.go at main · derekmwright/eqtypes · GitHub

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
package eqtypes

import (
	"database/sql"
	"encoding/json"
	"time"
)

type JsonNullTime struct {
	sql.NullTime
}

//goland:noinspection GoMixedReceiverTypes
func (v JsonNullTime) MarshalJSON() ([]byte, error) {
	if v.Valid {
		return json.Marshal(v.Time)
	}
	return json.Marshal(nil)

}

//goland:noinspection GoMixedReceiverTypes
func (v *JsonNullTime) UnmarshalJSON(data []byte) error {
	// Unmarshalling into a pointer will let us detect null
	var x *time.Time

	if err := json.Unmarshal(data, &x); err != nil {
		return err
	}

	if x != nil {
		v.Valid = true
		v.Time = *x
	} else {
		v.Valid = false
	}

	return nil
}

type JsonNullString struct {
	sql.NullString
}

//goland:noinspection GoMixedReceiverTypes
func (v JsonNullString) MarshalJSON() ([]byte, error) {
	if v.Valid {
		return json.Marshal(v.String)
	}
	return json.Marshal("")
}

//goland:noinspection GoMixedReceiverTypes
func (v *JsonNullString) UnmarshalJSON(data []byte) error {
	var x *string

	if err := json.Unmarshal(data, &x); err != nil {
		return err
	}

	if x != nil {
		v.Valid = true
		v.String = *x
	} else {
		v.Valid = false
	}

	return nil
}

type UnixTimestamp struct {
	time.Time
}

//goland:noinspection GoMixedReceiverTypes
func (v UnixTimestamp) MarshalJSON() ([]byte, error) {
	return json.Marshal(v.Unix())
}

//goland:noinspection GoMixedReceiverTypes
func (v *UnixTimestamp) UnmarshalJSON(data []byte) error {
	var t time.Time
	if err := json.Unmarshal(data, &t); err != nil {
		return err
	}
	*v = UnixTimestamp{t}
	return nil
}