-
Notifications
You must be signed in to change notification settings - Fork 113
/
sql.go
199 lines (169 loc) · 4.39 KB
/
sql.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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
// Copyright 2018-2024 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package sql
import (
"context"
"database/sql"
"fmt"
"github.com/cs3org/reva/pkg/notification"
"github.com/cs3org/reva/pkg/notification/manager/registry"
"github.com/cs3org/reva/pkg/utils/cfg"
)
func init() {
registry.Register("sql", NewMysql)
}
type config struct {
DBUsername string `mapstructure:"db_username"`
DBPassword string `mapstructure:"db_password"`
DBHost string `mapstructure:"db_host"`
DBPort int `mapstructure:"db_port"`
DBName string `mapstructure:"db_name"`
}
type mgr struct {
driver string
db *sql.DB
}
// NewMysql returns an instance of the sql notifications manager.
func NewMysql(ctx context.Context, m map[string]interface{}) (notification.Manager, error) {
var c config
if err := cfg.Decode(m, &c); err != nil {
return nil, err
}
db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", c.DBUsername, c.DBPassword, c.DBHost, c.DBPort, c.DBName))
if err != nil {
return nil, err
}
return New("mysql", db)
}
// New returns a new Notifications driver connecting to the given sql.DB.
func New(driver string, db *sql.DB) (notification.Manager, error) {
return &mgr{
driver: driver,
db: db,
}, nil
}
// UpsertNotification creates or updates a notification.
func (m *mgr) UpsertNotification(n notification.Notification) error {
if err := n.CheckNotification(); err != nil {
return err
}
tx, err := m.db.Begin()
if err != nil {
return err
}
// Create/update notification
stmt, err := m.db.Prepare("REPLACE INTO notifications (ref, template_name) VALUES (?, ?)")
if err != nil {
return err
}
defer stmt.Close()
result, err := stmt.Exec(n.Ref, n.TemplateName)
if err != nil {
_ = tx.Rollback()
return err
}
// Create/update recipients for the notification
notificationID, err := result.LastInsertId()
if err != nil {
_ = tx.Rollback()
return err
}
stmt, err = tx.Prepare("REPLACE INTO notification_recipients (notification_id, recipient) VALUES (?, ?)")
if err != nil {
_ = tx.Rollback()
return err
}
defer stmt.Close()
for _, recipient := range n.Recipients {
_, err := stmt.Exec(notificationID, recipient)
if err != nil {
_ = tx.Rollback()
return err
}
}
err = tx.Commit()
if err != nil {
return err
}
return nil
}
// GetNotification reads a notification.
func (m *mgr) GetNotification(ref string) (*notification.Notification, error) {
query := `
SELECT n.id, n.ref, n.template_name, nr.recipient
FROM notifications AS n
JOIN notification_recipients AS nr ON n.id = nr.notification_id
WHERE n.ref = ?
`
rows, err := m.db.Query(query, ref)
if err != nil {
return nil, err
}
defer rows.Close()
var n notification.Notification
count := 0
n.Recipients = make([]string, 0)
for rows.Next() {
var id string
var recipient string
err := rows.Scan(&id, &n.Ref, &n.TemplateName, &recipient)
if err != nil {
return nil, err
}
n.Recipients = append(n.Recipients, recipient)
count++
}
if err = rows.Err(); err != nil {
return nil, err
}
if count == 0 {
return nil, ¬ification.NotFoundError{
Ref: n.Ref,
}
}
return &n, nil
}
// DeleteNotification deletes a notification.
func (m *mgr) DeleteNotification(ref string) error {
tx, err := m.db.Begin()
if err != nil {
return err
}
// Delete notification
stmt, err := m.db.Prepare("DELETE FROM notifications WHERE ref = ?")
if err != nil {
return err
}
defer stmt.Close()
result, err := stmt.Exec(ref)
if err != nil {
_ = tx.Rollback()
return err
}
rowsAffected, err := result.RowsAffected()
if err != nil {
_ = tx.Rollback()
return err
}
if rowsAffected == 0 {
return ¬ification.NotFoundError{
Ref: ref,
}
}
return nil
}