aboutsummaryrefslogtreecommitdiffstats
path: root/bug/op_set_status.go
blob: eb2c0ba4d9383b5be8a0eb5f76f5c81e84a3a7fc (plain) (blame)
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
package bug

import (
	"encoding/json"

	"github.com/pkg/errors"

	"github.com/MichaelMure/git-bug/entity"
	"github.com/MichaelMure/git-bug/identity"
	"github.com/MichaelMure/git-bug/util/timestamp"
)

var _ Operation = &SetStatusOperation{}

// SetStatusOperation will change the status of a bug
type SetStatusOperation struct {
	OpBase
	Status Status `json:"status"`
}

// Sign-post method for gqlgen
func (op *SetStatusOperation) IsOperation() {}

func (op *SetStatusOperation) base() *OpBase {
	return &op.OpBase
}

func (op *SetStatusOperation) Id() entity.Id {
	return idOperation(op)
}

func (op *SetStatusOperation) Apply(snapshot *Snapshot) {
	snapshot.Status = op.Status
	snapshot.addActor(op.Author)

	item := &SetStatusTimelineItem{
		id:       op.Id(),
		Author:   op.Author,
		UnixTime: timestamp.Timestamp(op.UnixTime),
		Status:   op.Status,
	}

	snapshot.Timeline = append(snapshot.Timeline, item)
}

func (op *SetStatusOperation) Validate() error {
	if err := opBaseValidate(op, SetStatusOp); err != nil {
		return err
	}

	if err := op.Status.Validate(); err != nil {
		return errors.Wrap(err, "status")
	}

	return nil
}

// UnmarshalJSON is a two step JSON unmarshaling
// This workaround is necessary to avoid the inner OpBase.MarshalJSON
// overriding the outer op's MarshalJSON
func (op *SetStatusOperation) UnmarshalJSON(data []byte) error {
	// Unmarshal OpBase and the op separately

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

	aux := struct {
		Status Status `json:"status"`
	}{}

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

	op.OpBase = base
	op.Status = aux.Status

	return nil
}

// Sign post method for gqlgen
func (op *SetStatusOperation) IsAuthored() {}

func NewSetStatusOp(author identity.Interface, unixTime int64, status Status) *SetStatusOperation {
	return &SetStatusOperation{
		OpBase: newOpBase(SetStatusOp, author, unixTime),
		Status: status,
	}
}

type SetStatusTimelineItem struct {
	id       entity.Id
	Author   identity.Interface
	UnixTime timestamp.Timestamp
	Status   Status
}

func (s SetStatusTimelineItem) Id() entity.Id {
	return s.id
}

// Sign post method for gqlgen
func (s *SetStatusTimelineItem) IsAuthored() {}

// Convenience function to apply the operation
func Open(b Interface, author identity.Interface, unixTime int64) (*SetStatusOperation, error) {
	op := NewSetStatusOp(author, unixTime, OpenStatus)
	if err := op.Validate(); err != nil {
		return nil, err
	}
	b.Append(op)
	return op, nil
}

// Convenience function to apply the operation
func Close(b Interface, author identity.Interface, unixTime int64) (*SetStatusOperation, error) {
	op := NewSetStatusOp(author, unixTime, ClosedStatus)
	if err := op.Validate(); err != nil {
		return nil, err
	}
	b.Append(op)
	return op, nil
}