-
Notifications
You must be signed in to change notification settings - Fork 479
/
get.go
117 lines (101 loc) · 2.96 KB
/
get.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
/*******************************************************************************
* Copyright 2019 VMware Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*******************************************************************************/
package subscription
import (
"github.com/edgexfoundry/edgex-go/internal/pkg/db"
"github.com/edgexfoundry/edgex-go/internal/support/notifications/errors"
contract "github.com/edgexfoundry/go-mod-core-contracts/models"
)
type IdExecutor interface {
Execute() (contract.Subscription, error)
}
type CollectionExecutor interface {
Execute() ([]contract.Subscription, error)
}
type subscriptionsAll struct {
database SubscriptionLoader
}
type subscriptionLoadById struct {
database SubscriptionLoader
id string
}
type subscriptionLoadBySlug struct {
database SubscriptionLoader
slug string
}
type subscriptionsLoadByCategories struct {
database SubscriptionLoader
categories []string
}
func (op subscriptionsAll) Execute() ([]contract.Subscription, error) {
subscriptions, err := op.database.GetSubscriptions()
if err != nil {
return nil, err
}
return subscriptions, nil
}
func (op subscriptionLoadById) Execute() (contract.Subscription, error) {
res, err := op.database.GetSubscriptionById(op.id)
if err != nil {
if err == db.ErrNotFound {
err = errors.NewErrSubscriptionNotFound(op.id)
}
return res, err
}
return res, nil
}
func (op subscriptionLoadBySlug) Execute() (contract.Subscription, error) {
s, err := op.database.GetSubscriptionBySlug(op.slug)
if err != nil {
if err == db.ErrNotFound {
newErr := errors.NewErrSubscriptionNotFound(op.slug)
return s, newErr
}
return s, err
}
return s, nil
}
func (op subscriptionsLoadByCategories) Execute() ([]contract.Subscription, error) {
s, err := op.database.GetSubscriptionByCategories(op.categories)
if err != nil {
return s, err
}
if len(s) == 0 {
return s, db.ErrNotFound
}
return s, nil
}
func NewAllExecutor(db SubscriptionLoader) CollectionExecutor {
return subscriptionsAll{
database: db,
}
}
func NewIdExecutor(db SubscriptionLoader, id string) IdExecutor {
return subscriptionLoadById{
database: db,
id: id,
}
}
func NewSlugExecutor(db SubscriptionLoader, slug string) IdExecutor {
return subscriptionLoadBySlug{
database: db,
slug: slug,
}
}
func NewCategoriesExecutor(db SubscriptionLoader, categories []string) CollectionExecutor {
return subscriptionsLoadByCategories{
database: db,
categories: categories,
}
}