gotodo/internal/implementations/MemoryProvider.go

package implementations

import (
	"errors"

	"dymatrix.de/jspahl/todo/internal/interfaces"
)

type Item struct {
	id      int
	message string
	deleted bool
}

type User struct {
	id int
}

type MemoryProvider struct {
	index        int
	items        []Item
	itemsByUsers [][]*Item
}

func (prov MemoryProvider) CreateItem(item interfaces.IItem) error {
	storedItem := Item{id: item.GetId(), message: item.GetMessage(), deleted: false}
	prov.items = append(prov.items, storedItem)
	return nil
}

func (prov MemoryProvider) UpdateItem(item interfaces.IItem) error {
	storedItem, err := prov.GetItemPtr(item.GetId())
	if err != nil {
		return err
	}
	storedItem.message = item.GetMessage()
	return nil
}

func (prov MemoryProvider) GetItemPtr(id int) (*Item, error) {
	for i, item := range prov.items {
		if item.id == id && !item.deleted {
			return &prov.items[i], nil
		}
	}
	return nil, errors.New("Item not found")
}