On Sun, 21 Mar 2021 13:37:18 -0700 (PDT)
Hugh Myrie <[email protected]> wrote:
> I am able to decode the body of a POST request
> using json.NewDecoder(r.Body)., then save the result to a database.
>
> Example:
>
> type Product struct {
> ID int `json:"id"`
> Description string `json:"description"`
> Price float64 `json:"price"`
> Packsize int `json:"packsize"`
> Count1 int `json:"count1"`
> Bin string `json:"bin"`
> Qoh int `json:"qoh"`
> }
>
> items := []Product{}
>
> err := json.NewDecoder(r.Body).Decode(&items)
> if err != nil {
> http.Error(w, err.Error(), http.StatusBadRequest)
> fmt.Println("Error occurs here")
> log.Printf(err.Error())
> return
> }
>
> How can I use a nested struct to produce two slices from an incoming
> (master-detail) POST request, in the form:
>
> [{receipt: 1, date: '01/01/2021', customer: 'Cash' , subtotal: 10.70,
> detail: [{receipt: 1, description: 'item1', price: 2.00, qty: 2},
> {receipt: 1, description: 'item2', price: 2.50, qty: 1},
> {receipt: 1, description: 'item3', price: 4.20, qty: 1}]
> ]
>
> I am trying to avoid sending two POST requests, master followed by
> detail.
>
You can add new field with type is slice of struct inside the Product,
for example,
Details []ProductDetail `json:"detail"`
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