Service Component Creation for REST API
Understand how to create a service component in Go that handles CRUD operations for items in a REST API. This lesson guides you through implementing functions to get all items, get an item by ID, create, update, and delete items using efficient in-memory data management.
We'll cover the following...
Create the service component
A directory called services is created to store the service components, then inside that directory, the service component is created in the file called services.go. After that, some functionalities are added based on the project’s specifications. Inside services.go, a new variable called storage is created to store the item’s data.
package services
import (
"go-simple-inventory/models"
)
var storage []models.Item = []models.Item{}
Get all items
Inside the services.go file, a function is created to get all items from the storage.
// GetAllItems returns all items data
func GetAllItems() []models.Item {
return storage
}
Based on the code above, the GetAllItems() function returns the storage that contains all item ...