Add structs and corresponding API routes

api/item.go

@@ -0,0 +1,83 @@
+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
+	}
+}