mtfosbot/model/commands.go

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package model
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import (
"errors"
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"fmt"
"regexp"
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"time"
)
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// Commands - struct
type Commands struct {
Cmd string `db:"cmd" cc:"cmd"`
Message string `db:"message" cc:"message"`
Group string `db:"group" cc:"group"`
Ctime time.Time `db:"ctime" cc:"ctime"`
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Mtime time.Time `db:"mtime" cc:"mtime"`
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}
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// CommandsWithGroup -
type CommandsWithGroup struct {
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Commands `cc:"-,<<"`
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GroupName string `db:"group_name" cc:"group_name"`
}
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// GetAllCommands -
func GetAllCommands() (cmds []*Commands, err error) {
err = x.Select(&cmds, `select * from "public"."commands"`)
return
}
// GetGroupCommand -
func GetGroupCommand(c, g string) (cmd *Commands, err error) {
if len(c) == 0 {
return nil, errors.New("command is empty")
}
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query := `select c.* from "public"."commands" c
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where c."cmd" = $1
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and (c."group" = '' or c."group" = $2)
order by c."group" desc
limit 1`
row := x.QueryRowx(query, c, g)
// err = x.Get(&cmd, query, c, g)
cmd = &Commands{}
err = row.StructScan(cmd)
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if err != nil {
return nil, err
}
return
}
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// GetCommandCount -
func GetCommandCount(where ...interface{}) (c int, err error) {
query := `select count(*) as c from "public"."commands"`
values := make([]interface{}, 0)
if len(where) > 0 {
if whereMap, ok := where[0].(map[string]string); ok {
str := ""
idx := 1
for k, v := range whereMap {
if len(str) > 0 {
str += " and "
}
str += fmt.Sprintf(` "%s" = $%d `, k, idx)
idx++
values = append(values, v)
}
if len(str) > 0 {
query += ` where ` + str
}
}
}
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err = x.Get(&c, query, values...)
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return
}
// GetCommands -
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func GetCommands(where map[string]string, offset, limit int, order map[string]string) (cmds []*CommandsWithGroup, err error) {
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query := `select c.*, (case when g.name is null then '' else g.name end) as group_name from "public"."commands" c
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left join "public"."line_group" g
on g.id = c.group `
values := make([]interface{}, (len(where) + len(order)))
idx := 1
if len(where) > 0 {
str := ""
for k, v := range where {
if len(str) > 0 {
str += " and "
}
str += fmt.Sprintf(` "%s" = $%d `, k, idx)
idx++
values = append(values, v)
}
if len(str) > 0 {
query += ` where ` + str
}
}
if offset >= 0 {
query += fmt.Sprintf(" offset %d ", offset)
}
if limit > 0 {
query += fmt.Sprintf(" limit %d ", limit)
}
if len(order) > 0 {
regex, err := regexp.Compile("(?i)(desc|asc)")
if err != nil {
return nil, err
}
str := ""
for k, v := range order {
if !regex.Match([]byte(v)) {
continue
}
if len(str) > 0 {
str += " , "
}
str += fmt.Sprintf(` "%s" %s `, k, v)
}
}
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err = x.Select(&cmds, query, values...)
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return
}
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// AddCommand -
func AddCommand(cmdkey, message, group string) (cmd *Commands, err error) {
if len(cmdkey) == 0 || len(message) == 0 {
return nil, errors.New("cmd or message is empty")
}
query := `insert into "public"."commands" ("cmd", "message", "group") values ($1, $2, $3) returning *`
cmd = &Commands{}
err = x.Get(cmd, query, cmdkey, message, group)
if err != nil {
return nil, err
}
return
}
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// CheckCommand -
func CheckCommand(cmd, group string) (exist bool, err error) {
if len(cmd) == 0 {
return false, errors.New("cmd is empty")
}
query := `select count(*) as c from "public"."commands" where "cmd" = $1 and "group" = $2`
c := 0
err = x.Get(&c, query, cmd, group)
if err != nil {
return false, err
}
return c > 0, nil
}
// DeleteCommand -
func DeleteCommand(cmd, group string) (err error) {
if len(cmd) == 0 {
return errors.New("cmd is empty")
}
query := `delete from "public"."commands" where "cmd" = $1 and "group" = $2`
_, err = x.Exec(query, cmd, group)
return
}
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// UpdateCommand -
func UpdateCommand(cmd, group, message string) (err error) {
if len(cmd) == 0 || len(message) == 0 {
return errors.New("cmd or message is empty")
}
query := `update "public"."commands" set "message" = $1, "mtime" = now() where "cmd" = $2 and "group" = $3`
_, err = x.Exec(query, message, cmd, group)
return
}