/
db.go
326 lines (280 loc) · 7.94 KB
/
db.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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
package gosms
import (
"database/sql"
"errors"
"fmt"
_ "github.com/mattn/go-sqlite3"
"log"
"os"
)
var db *sql.DB
func InitDB(driver, dbname string) (*sql.DB, error) {
var err error
createDb := false
if _, err := os.Stat(dbname); os.IsNotExist(err) {
log.Printf("InitDB: database does not exist %s", dbname)
createDb = true
}
db, err = sql.Open(driver, dbname)
if createDb {
if err = syncDB(); err != nil {
return nil, errors.New("Error creating database")
}
}
return db, nil
}
func syncDB() error {
log.Println("--- syncDB")
//create messages table
createMessages := `-- таблица пользователей
CREATE TABLE IF NOT EXISTS usr (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
phone_number char(15) not null,
chat_id_telegram integer
);
-- таблица сообщений
CREATE TABLE messages (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
fk_usr integer NOT NULL,
uuid char(32) UNIQUE NOT NULL,
message char(160) NOT NULL,
status INTEGER DEFAULT 0,
retries INTEGER DEFAULT 0,
device string NULL,
created_at TIMESTAMP default CURRENT_TIMESTAMP,
updated_at TIMESTAMP,
FOREIGN KEY (fk_usr) REFERENCES usr(id)
);`
_, err := db.Exec(createMessages, nil)
fmt.Println("err", err)
return err
}
func insertMessage(sms *SMS) error {
log.Println("--- insertMessage ", sms)
tx, err := db.Begin()
if err != nil {
log.Println("insertMessage: ", err)
return err
}
stmt, err := tx.Prepare("INSERT INTO messages(uuid, message, fk_usr) VALUES(?, ?, ?)")
if err != nil {
log.Println("insertMessage: ", err)
return err
}
defer stmt.Close()
_, err = stmt.Exec(sms.UUID, sms.Body, sms.User.ID)
if err != nil {
log.Println("insertMessage: ", err)
return err
}
tx.Commit()
return nil
}
func InsertUser(user *User) (*User, error) {
log.Println("--- insertUser ", user)
tx, err := db.Begin()
if err != nil {
log.Println("insertUser: ", err)
return nil, err
}
stmt, err := tx.Prepare("INSERT INTO usr(phone_number, chat_id_telegram) VALUES(?, ?)")
if err != nil {
log.Println("insertUser: ", err)
return nil, err
}
defer stmt.Close()
res, err := stmt.Exec(user.PhoneNumber, user.ChatIdTelegram)
if err != nil {
log.Println("insertUser: ", err)
return nil, err
}
user.ID, err = res.LastInsertId()
if err != nil {
log.Println("insertUser: ", err)
return nil, err
}
tx.Commit()
return user, nil
}
func UpdateUser(user *User) error {
log.Println("--- updateUser ", user)
tx, err := db.Begin()
if err != nil {
log.Println("updateUser: ", err)
return err
}
stmt, err := tx.Prepare("UPDATE usr SET phone_number = ?, chat_id_telegram = ? WHERE id = ?")
if err != nil {
log.Println("updateUser: ", err)
return err
}
defer stmt.Close()
_, err = stmt.Exec(user.PhoneNumber, user.ChatIdTelegram, user.ID)
if err != nil {
log.Println("updateUser: ", err)
return err
}
tx.Commit()
return nil
}
// GetUserByPhoneNumber получение одного из пользователей с номером
func GetUserByPhoneNumber(phoneNumber string) (*User, error) {
log.Println("--- getUserByPhoneNumber ")
query := "SELECT id, phone_number, chat_id_telegram FROM usr WHERE phone_number = ? LIMIT 1"
log.Println("getUserByPhoneNumber: ", query)
row := db.QueryRow(query, phoneNumber)
err := row.Err()
if err != nil {
log.Println("getUserByPhoneNumber: ", err)
return nil, err
}
user := &User{}
row.Scan(&user.ID, &user.PhoneNumber, &user.ChatIdTelegram)
return user, nil
}
// GetUserByChatIdTg получение пользователя по номеру чата в телеграм
func GetUserByChatIdTg(chatID string) (*User, error) {
log.Println("--- GetUserByChatIdTg ")
query := "SELECT id, phone_number, chat_id_telegram FROM usr WHERE chat_id_telegram = ? LIMIT 1"
log.Println("GetUserByChatIdTg: ", query)
row := db.QueryRow(query, chatID)
err := row.Err()
if err != nil {
log.Println("GetUserByChatIdTg: ", err)
return nil, err
}
user := &User{}
row.Scan(&user.ID, &user.PhoneNumber, &user.ChatIdTelegram)
return user, nil
}
// GetUsersByPhoneNumber получение всех пользователей на определенный номер
func GetUsersByPhoneNumber(phoneNumber string) ([]*User, error) {
log.Println("--- getUsersByPhoneNumber ")
query := "SELECT id, phone_number, chat_id_telegram FROM usr WHERE phone_number = ?"
log.Println("getUsersByPhoneNumber: ", query)
rows, err := db.Query(query, phoneNumber)
defer rows.Close()
if err != nil {
log.Println("getUsersByPhoneNumber: ", err)
return nil, err
}
var users []*User
for rows.Next() {
user := &User{}
err = rows.Scan(&user.ID, &user.PhoneNumber, &user.ChatIdTelegram)
if err != nil{
log.Println("getUsersByPhoneNumber: ", err)
}
users = append(users, user)
}
return users, nil
}
func updateMessageStatus(sms SMS) error {
log.Println("--- updateMessageStatus ", sms)
tx, err := db.Begin()
if err != nil {
log.Println("updateMessageStatus: ", err)
return err
}
stmt, err := tx.Prepare("UPDATE messages SET status=?, retries=?, device=?, updated_at=DATETIME('now') WHERE uuid=?")
if err != nil {
log.Println("updateMessageStatus: ", err)
return err
}
defer stmt.Close()
_, err = stmt.Exec(sms.Status, sms.Retries, sms.Device, sms.UUID)
if err != nil {
log.Println("updateMessageStatus: ", err)
return err
}
tx.Commit()
return nil
}
func getPendingMessages(bufferSize int) ([]SMS, error) {
log.Println("--- getPendingMessages ")
query := fmt.Sprintf("SELECT uuid, message, status, retries, phone_number " +
" FROM messages LEFT JOIN usr ON usr.id = messages.fk_usr " +
" WHERE status!=%v AND retries<%v LIMIT %v",
SMSProcessed, SMSRetryLimit, bufferSize)
log.Println("getPendingMessages: ", query)
rows, err := db.Query(query)
if err != nil {
log.Println("getPendingMessages: ", err)
return nil, err
}
defer rows.Close()
var messages []SMS
for rows.Next() {
sms := SMS{
User: &User{},
}
rows.Scan(&sms.UUID, &sms.Body, &sms.Status, &sms.Retries, &sms.User.PhoneNumber)
messages = append(messages, sms)
}
rows.Close()
return messages, nil
}
func GetMessages(filter string) ([]SMS, error) {
/*
expecting filter as empty string or WHERE clauses,
simply append it to the query to get desired set out of database
*/
log.Println("--- GetMessages")
query := fmt.Sprintf("SELECT uuid, message, status, retries, phone_number, device, created_at, updated_at " +
" FROM messages LEFT JOIN usr ON usr.id = messages.fk_usr %v", filter)
log.Println("GetMessages: ", query)
rows, err := db.Query(query)
if err != nil {
log.Println("GetMessages: ", err)
return nil, err
}
defer rows.Close()
var messages []SMS
for rows.Next() {
sms := SMS{
User: &User{},
}
rows.Scan(&sms.UUID, &sms.Body, &sms.Status, &sms.Retries, &sms.User.PhoneNumber, &sms.Device, &sms.CreatedAt, &sms.UpdatedAt)
messages = append(messages, sms)
}
rows.Close()
return messages, nil
}
func GetLast7DaysMessageCount() (map[string]int, error) {
log.Println("--- GetLast7DaysMessageCount")
rows, err := db.Query(`SELECT strftime('%Y-%m-%d', created_at) as datestamp,
COUNT(id) as messagecount FROM messages GROUP BY datestamp
ORDER BY datestamp DESC LIMIT 7`)
if err != nil {
log.Println("GetLast7DaysMessageCount: ", err)
return nil, err
}
defer rows.Close()
dayCount := make(map[string]int)
var day string
var count int
for rows.Next() {
rows.Scan(&day, &count)
dayCount[day] = count
}
rows.Close()
return dayCount, nil
}
func GetStatusSummary() ([]int, error) {
log.Println("--- GetStatusSummary")
rows, err := db.Query(`SELECT status, COUNT(id) as messagecount
FROM messages GROUP BY status ORDER BY status`)
if err != nil {
log.Println("GetStatusSummary: ", err)
return nil, err
}
defer rows.Close()
var status, count int
statusSummary := make([]int, 3)
for rows.Next() {
rows.Scan(&status, &count)
statusSummary[status] = count
}
rows.Close()
return statusSummary, nil
}