forked from mconintet/KiwiChat-Server
/
delBuddy.go
71 lines (59 loc) · 1.42 KB
/
delBuddy.go
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package main
import (
"database/sql"
"errors"
"fmt"
"github.com/bitly/go-simplejson"
_ "github.com/go-sql-driver/mysql"
"github.com/mconintet/kiwi"
)
func handDelBuddy(j *simplejson.Json, s kiwi.MessageSender, m *kiwi.Message) error {
uid, err := j.Get("uid").Int()
if err != nil {
return ErrDeformedRequest
}
token, err := j.Get("token").String()
if err != nil {
return ErrDeformedRequest
}
buddyID, err := j.Get("buddyID").String()
if err != nil {
return ErrDeformedRequest
}
db, err := sql.Open("mysql", dbConnInfo)
if err != nil {
return err
}
defer db.Close()
// validate request info
stmtOut, err := db.Prepare("SELECT COUNT(*) FROM user WHERE id=? AND token=?")
if err != nil {
return err
}
defer stmtOut.Close()
var count int
err = stmtOut.QueryRow(uid, token).Scan(&count)
if err != nil {
return err
}
if count == 0 {
return ErrIllegalRequest
}
// delete relation
stmtUpe, err := db.Prepare("DELETE FROM user_buddy WHERE user=? AND buddy=?")
if err != nil {
return err
}
defer stmtUpe.Close()
_, err = stmtUpe.Exec(uid, buddyID)
if err != nil {
return errors.New(fmt.Sprintf("cannot delete relation user %d buddy:%d err: %s", uid, buddyID, err.Error()))
}
retMsg := simplejson.New()
retMsg.Set("action", "del-buddy-return")
retMsg.Set("errCode", ErrNone)
retMsg.Set("errMsg", ErrCodeMsg[ErrNone])
byts, _ := retMsg.MarshalJSON()
s.SendWholeBytes(byts, false)
return nil
}