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Use dedicated type for each order field

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Signed-off-by: gearnode <bryan@frimin.fr>
This commit is contained in:
gearnode
2025-03-19 00:20:05 +01:00
parent c73e417e5c
commit 5a1f873d58
32 changed files with 518 additions and 119 deletions
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18
pkg/page/page.go
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@@ -15,8 +15,8 @@
package page
type (
Paginable interface {
CursorKey(orderBy OrderField) CursorKey
Paginable[T OrderField] interface {
CursorKey(orderBy T) CursorKey
}
PageInfo struct {
@@ -24,14 +24,14 @@ type (
HasPrev bool
}
Page[T Paginable] struct {
Page[T Paginable[U], U OrderField] struct {
Info *PageInfo
Cursor *Cursor
Cursor *Cursor[U]
Data []T
}
)
func (p *Page[T]) First() T {
func (p *Page[T, U]) First() T {
if len(p.Data) == 0 {
var zero T
return zero
@@ -40,7 +40,7 @@ func (p *Page[T]) First() T {
return p.Data[0]
}
func (p *Page[T]) Last() T {
func (p *Page[T, U]) Last() T {
if len(p.Data) == 0 {
var zero T
return zero
@@ -49,11 +49,11 @@ func (p *Page[T]) Last() T {
return p.Data[len(p.Data)-1]
}
func NewPage[T Paginable](data []T, c *Cursor) *Page[T] {
func NewPage[T Paginable[U], U OrderField](data []T, c *Cursor[U]) *Page[T, U] {
pi := &PageInfo{}
if len(data) == 0 {
return &Page[T]{
return &Page[T, U]{
Info: pi,
Data: data,
}
@@ -109,7 +109,7 @@ func NewPage[T Paginable](data []T, c *Cursor) *Page[T] {
}
}
return &Page[T]{
return &Page[T, U]{
Info: pi,
Cursor: c,
Data: edges,