checkHome/api/item.go

84 lines
2.3 KiB
Go

package api
import (
"encoding/json"
"errors"
"strconv"
"git.nemunai.re/checkhome/struct"
"github.com/julienschmidt/httprouter"
)
func init() {
router.GET("/api/items/", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
return ckh.GetItems()
}))
router.DELETE("/api/items/", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
return ckh.ClearItems()
}))
router.GET("/api/rooms/:rid/items/", apiHandler(roomHandler(func (room ckh.Room, _ []byte) (interface{}, error) {
return room.GetItems()
})))
router.POST("/api/rooms/:rid/items/", apiHandler(roomHandler(newItem)))
router.DELETE("/api/rooms/:rid/items/", apiHandler(roomHandler(func (room ckh.Room, _ []byte) (interface{}, error) {
return room.ClearItems()
})))
router.GET("/api/rooms/:rid/items/:iid/", apiHandler(itemHandler(func (item ckh.Item, _ ckh.Room, _ []byte) (interface{}, error) {
return item, nil
})))
router.PUT("/api/rooms/:rid/items/:iid/", apiHandler(itemHandler(updateItem)))
router.DELETE("/api/rooms/:rid/items/:iid/", apiHandler(itemHandler(func (item ckh.Item, _ ckh.Room, _ []byte) (interface{}, error) {
return item.Delete()
})))
}
func itemHandler(f func(ckh.Item, ckh.Room, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
return func(ps httprouter.Params, body []byte) (interface{}, error) {
return roomHandler(func (room ckh.Room, _ []byte) (interface{}, error) {
if iid, err := strconv.ParseInt(string(ps.ByName("iid")), 10, 64); err != nil {
return nil, err
} else if item, err := room.GetItem(iid); err != nil {
return nil, err
} else {
return f(item, room, body)
}
})(ps, body)
}
}
func newItem(room ckh.Room, body []byte) (interface{}, error) {
var ui ckh.Item
if err := json.Unmarshal(body, &ui); err != nil {
return nil, err
}
if len(ui.Label) == 0 {
return nil, errors.New("Item's label cannot be empty")
}
return ckh.NewItem(ui.Label, ui.Description, room)
}
func updateItem(item ckh.Item, room ckh.Room, body []byte) (interface{}, error) {
var ui ckh.Item
if err := json.Unmarshal(body, &ui); err != nil {
return nil, err
}
if len(ui.Label) == 0 {
return nil, errors.New("Item's label cannot be empty")
}
ui.Id = item.Id
ui.IdRoom = room.Id
if _, err := ui.Update(); err != nil {
return nil, err
} else {
return ui, nil
}
}