/
options.go
74 lines (60 loc) · 1.11 KB
/
options.go
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package options
import "gorm.io/gorm"
type Where struct {
Query any
Args []any
}
type Paginate struct {
Page int
PageSize int
}
type Option struct {
Where
Paginate
Unscoped bool
}
type Opt func(*Option)
func WithUnscoped() Opt {
return func(option *Option) {
option.Unscoped = true
}
}
func WithWhere(query any, args ...any) Opt {
return func(option *Option) {
option.Where.Query = query
option.Where.Args = args
}
}
func WithQuery(query any) Opt {
return func(option *Option) {
option.Where.Query = query
}
}
func WithArgs(args ...any) Opt {
return func(option *Option) {
option.Where.Args = args
}
}
func WithPaginate(page, size int) Opt {
return func(option *Option) {
option.Paginate.Page = page
option.Paginate.PageSize = size
}
}
func ScopesPaginate(o *Option) func(db *gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
page := o.Page
if page == 0 {
page = 1
}
pageSize := o.PageSize
switch {
case pageSize > 200:
pageSize = 200
case pageSize <= 0:
pageSize = 10
}
offset := (page - 1) * pageSize
return db.Offset(offset).Limit(pageSize)
}
}