Add structs and corresponding API routes

struct/item.go

@@ -0,0 +1,114 @@
+package ckh
+
+import ()
+
+type Item struct {
+	Id          int64  `json:"id"`
+	Label       string `json:"label"`
+	Description string `json:"description"`
+	IdRoom      int64  `json:"id_room"`
+}
+
+func GetItems() (items []Item, err error) {
+	if rows, errr := DBQuery("SELECT id_item, label, description, id_room FROM items"); errr != nil {
+		return nil, errr
+	} else {
+		defer rows.Close()
+
+		items = make([]Item, 0)
+		for rows.Next() {
+			var i Item
+			if err = rows.Scan(&i.Id, &i.Label, &i.Description, &i.IdRoom); err != nil {
+				return
+			}
+			items = append(items, i)
+		}
+		if err = rows.Err(); err != nil {
+			return
+		}
+
+		return
+	}
+}
+
+func GetItem(id int64) (i Item, err error) {
+	err = DBQueryRow("SELECT id_item, label, description, id_room FROM items WHERE id_item = ?", id).Scan(&i.Id, &i.Label, &i.Description, &i.IdRoom)
+	return
+}
+
+func (r Room) GetItems() (items []Item, err error) {
+	if rows, errr := DBQuery("SELECT id_item, label, description, id_room FROM items WHERE id_room = ?", r.Id); errr != nil {
+		return nil, errr
+	} else {
+		defer rows.Close()
+
+		items = make([]Item, 0)
+		for rows.Next() {
+			var i Item
+			if err = rows.Scan(&i.Id, &i.Label, &i.Description, &i.IdRoom); err != nil {
+				return
+			}
+			items = append(items, i)
+		}
+		if err = rows.Err(); err != nil {
+			return
+		}
+
+		return
+	}
+}
+
+func (r Room) GetItem(id int64) (i Item, err error) {
+	err = DBQueryRow("SELECT id_item, label, description, id_room FROM items WHERE id_room = ? AND id_item = ?", r.Id, id).Scan(&i.Id, &i.Label, &i.Description, &i.IdRoom)
+	return
+}
+
+func NewItem(label string, description string, room Room) (Item, error) {
+	if res, err := DBExec("INSERT INTO items (label, description, id_room) VALUES (?, ?, ?)", label, description, room.Id); err != nil {
+		return Item{}, err
+	} else if iid, err := res.LastInsertId(); err != nil {
+		return Item{}, err
+	} else {
+		return Item{iid, label, description, room.Id}, nil
+	}
+}
+
+func (i Item) Update() (int64, error) {
+	if res, err := DBExec("UPDATE items SET label = ?, description = ?, id_room = ? WHERE id_item = ?", i.Label, i.Description, i.IdRoom, i.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func (i Item) Delete() (int64, error) {
+	if res, err := DBExec("DELETE FROM items WHERE id_item = ?", i.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func ClearItems() (int64, error) {
+	if res, err := DBExec("DELETE FROM items"); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func (r Room) ClearItems() (int64, error) {
+	if res, err := DBExec("DELETE FROM items WHERE id_room = ?", r.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}