-
Notifications
You must be signed in to change notification settings - Fork 50
/
repository_transaction.go
145 lines (112 loc) · 4.19 KB
/
repository_transaction.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
package ddb
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/service/dynamodb"
"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
"github.com/justtrackio/gosoline/pkg/cfg"
gosoDynamodb "github.com/justtrackio/gosoline/pkg/cloud/aws/dynamodb"
"github.com/justtrackio/gosoline/pkg/exec"
"github.com/justtrackio/gosoline/pkg/log"
"github.com/justtrackio/gosoline/pkg/tracing"
)
//go:generate mockery --name TransactionRepository
type TransactionRepository interface {
TransactWriteItems(ctx context.Context, items []TransactWriteItemBuilder) (*OperationResult, error)
TransactGetItems(ctx context.Context, items []TransactGetItemBuilder) (*OperationResult, error)
}
type transactionRepository struct {
logger log.Logger
client gosoDynamodb.Client
tracer tracing.Tracer
}
func NewTransactionRepository(ctx context.Context, config cfg.Config, logger log.Logger, name string) (*transactionRepository, error) {
var err error
var client gosoDynamodb.Client
var tracer tracing.Tracer
if client, err = gosoDynamodb.ProvideClient(ctx, config, logger, name); err != nil {
return nil, fmt.Errorf("can not create dynamodb client: %w", err)
}
if tracer, err = tracing.ProvideTracer(config, logger); err != nil {
return nil, fmt.Errorf("can not create tracer: %w", err)
}
return NewTransactionRepositoryWithInterfaces(logger, client, tracer), nil
}
func NewTransactionRepositoryWithInterfaces(logger log.Logger, client gosoDynamodb.Client, tracer tracing.Tracer) *transactionRepository {
return &transactionRepository{
logger: logger,
client: client,
tracer: tracer,
}
}
func (r transactionRepository) TransactGetItems(ctx context.Context, items []TransactGetItemBuilder) (*OperationResult, error) {
res := newOperationResult(kindRead)
if len(items) == 0 {
return res, nil
}
_, span := r.tracer.StartSubSpan(ctx, "ddb.TransactGetItems")
defer span.Finish()
var err error
transactionItems := make([]types.TransactGetItem, len(items))
for i, v := range items {
transactionItems[i], err = v.Build()
if err != nil {
return nil, err
}
}
input := &dynamodb.TransactGetItemsInput{
TransactItems: transactionItems,
ReturnConsumedCapacity: types.ReturnConsumedCapacityIndexes,
}
out, err := r.client.TransactGetItems(ctx, input)
if exec.IsRequestCanceled(err) {
return nil, exec.RequestCanceledError
}
if err != nil {
return nil, gosoDynamodb.TransformTransactionError(err)
}
res.ConsumedCapacity.addSlice(out.ConsumedCapacity)
for i, itemResponse := range out.Responses {
err = UnmarshalMap(itemResponse.Item, items[i].GetItem())
if err != nil {
return nil, fmt.Errorf("could not unmarshal partial response: %w", err)
}
}
return res, nil
}
func (r transactionRepository) TransactWriteItems(ctx context.Context, itemBuilders []TransactWriteItemBuilder) (*OperationResult, error) {
return r.TransactWriteItemsIdempotent(ctx, itemBuilders, nil)
}
// TransactWriteItemsIdempotent
// ClientRequestToken enforces idempotency over a ten minute time frame
// https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html#DDB-TransactWriteItems-request-ClientRequestToken
func (r transactionRepository) TransactWriteItemsIdempotent(ctx context.Context, itemBuilders []TransactWriteItemBuilder, clientRequestToken *string) (*OperationResult, error) {
res := newOperationResult(kindMixed)
if len(itemBuilders) == 0 {
return res, nil
}
_, span := r.tracer.StartSubSpan(ctx, "ddb.TransactWriteItems")
defer span.Finish()
transactionItems := make([]types.TransactWriteItem, 0)
for _, v := range itemBuilders {
item, err := v.Build()
if err != nil {
return nil, err
}
transactionItems = append(transactionItems, *item)
}
input := &dynamodb.TransactWriteItemsInput{
ClientRequestToken: clientRequestToken,
TransactItems: transactionItems,
ReturnConsumedCapacity: types.ReturnConsumedCapacityIndexes,
}
out, err := r.client.TransactWriteItems(ctx, input)
if exec.IsRequestCanceled(err) {
return nil, exec.RequestCanceledError
}
if err != nil {
return nil, gosoDynamodb.TransformTransactionError(err)
}
res.ConsumedCapacity.addSlice(out.ConsumedCapacity)
return res, gosoDynamodb.TransformTransactionError(err)
}