Files
cpone_midleware/internal/http/layanan.go

66 lines
1.9 KiB
Go

package http
import (
"net/http"
"strconv"
"primaya-api/cpone-middleware/internal/repository"
)
const layananPerPage = 15
type LayananPaginationResponse struct {
CurrentPage int `json:"current_page"`
Data []repository.LayananDepartemen `json:"data"`
FirstPageURL string `json:"first_page_url"`
From *int `json:"from"`
LastPage int `json:"last_page"`
LastPageURL string `json:"last_page_url"`
Links map[string]any `json:"links"`
NextPageURL *string `json:"next_page_url"`
Total int `json:"total"`
PerPage int `json:"per_page"`
}
func (h Handler) ListLayanan(w http.ResponseWriter, r *http.Request) {
pageNumber := layananPageNumber(r)
page, err := h.layananRepository(r.Context()).ListLayanan(r.Context(), repository.LayananListParams{
Page: pageNumber, PerPage: layananPerPage,
})
if err != nil {
WriteJSON(w, http.StatusInternalServerError, Response{
Success: false, Message: "internal server error", Data: nil,
})
return
}
lastPage := (page.Total + layananPerPage - 1) / layananPerPage
if lastPage < 1 {
lastPage = 1
}
var from *int
if len(page.Items) > 0 {
value := (pageNumber-1)*layananPerPage + 1
from = &value
}
var nextPageURL *string
if pageNumber < lastPage {
value := currentRequestURL(r, pageNumber+1)
nextPageURL = &value
}
WriteJSON(w, http.StatusOK, LayananPaginationResponse{
CurrentPage: pageNumber, Data: page.Items, FirstPageURL: "", From: from,
LastPage: lastPage, LastPageURL: "", Links: map[string]any{},
NextPageURL: nextPageURL, Total: page.Total, PerPage: layananPerPage,
})
}
func layananPageNumber(r *http.Request) int {
page, err := strconv.Atoi(r.URL.Query().Get("page"))
if err != nil || page < 1 {
return 1
}
return page
}