119 lines
3.6 KiB
Go
119 lines
3.6 KiB
Go
package http
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import (
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"errors"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"primaya-api/cpone-middleware/internal/repository"
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)
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const periodeTarifLayananPerPage = 20
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type PeriodeTarifLayananPaginationResponse struct {
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CurrentPage int `json:"current_page"`
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Data []repository.PeriodeTarifLayanan `json:"data"`
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FirstPageURL string `json:"first_page_url"`
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From *int `json:"from"`
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LastPage int `json:"last_page"`
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LastPageURL string `json:"last_page_url"`
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Links map[string]any `json:"links"`
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NextPageURL *string `json:"next_page_url"`
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Total int `json:"total"`
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PerPage int `json:"per_page"`
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}
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func (h Handler) ListPeriodeTarifLayanan(w http.ResponseWriter, r *http.Request) {
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rawID := strings.TrimSpace(r.PathValue("periodeTarifID"))
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if rawID == "" {
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rawID = strings.TrimSpace(r.PathValue("PeriodeTarifID"))
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}
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periodeTarifID, err := strconv.ParseInt(rawID, 10, 64)
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if err != nil || periodeTarifID < 1 {
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WriteJSON(w, http.StatusUnprocessableEntity, Response{
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Success: false,
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Message: "PeriodeTarifID harus berupa angka positif",
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Data: nil,
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})
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return
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}
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pageNumber := periodeTarifLayananPageNumber(r)
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search := strings.TrimSpace(r.URL.Query().Get("search"))
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page, err := h.periodeTarifDetailRepository(r.Context()).ListPeriodeTarifLayanan(r.Context(), repository.PeriodeTarifLayananListParams{
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PeriodeTarifID: periodeTarifID,
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Page: pageNumber,
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PerPage: periodeTarifLayananPerPage,
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Search: search,
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})
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if errors.Is(err, repository.ErrTarifTableNotFound) {
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WriteJSON(w, http.StatusNotFound, Response{
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Success: false,
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Message: "Tabel tarif tidak ditemukan: harga_layanan_" + strconv.FormatInt(periodeTarifID, 10),
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Data: nil,
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})
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return
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}
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if err != nil {
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WriteJSON(w, http.StatusInternalServerError, Response{
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Success: false,
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Message: "internal server error",
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Data: nil,
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})
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return
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}
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if page.Items == nil {
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page.Items = []repository.PeriodeTarifLayanan{}
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}
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lastPage := (page.Total + periodeTarifLayananPerPage - 1) / periodeTarifLayananPerPage
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if lastPage < 1 {
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lastPage = 1
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}
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var from *int
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if len(page.Items) > 0 {
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value := (pageNumber-1)*periodeTarifLayananPerPage + 1
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from = &value
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}
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var nextPageURL *string
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if pageNumber < lastPage {
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value := periodeTarifLayananPageURL(r, pageNumber+1)
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nextPageURL = &value
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}
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WriteJSON(w, http.StatusOK, PeriodeTarifLayananPaginationResponse{
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CurrentPage: pageNumber, Data: page.Items, FirstPageURL: "", From: from,
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LastPage: lastPage, LastPageURL: "", Links: map[string]any{},
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NextPageURL: nextPageURL, Total: page.Total, PerPage: periodeTarifLayananPerPage,
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})
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}
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func periodeTarifLayananPageNumber(r *http.Request) int {
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page, err := strconv.Atoi(r.URL.Query().Get("page"))
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if err != nil || page < 1 {
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return 1
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}
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return page
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}
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func periodeTarifLayananPageURL(r *http.Request, page int) string {
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scheme := "http"
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if r.TLS != nil {
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scheme = "https"
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}
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if forwarded := r.Header.Get("X-Forwarded-Proto"); forwarded != "" {
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scheme = strings.TrimSpace(strings.Split(forwarded, ",")[0])
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}
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host := r.Host
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if host == "" {
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host = "localhost"
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}
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query := r.URL.Query()
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query.Set("page", strconv.Itoa(page))
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query.Set("per_page", strconv.Itoa(periodeTarifLayananPerPage))
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return (&url.URL{Scheme: scheme, Host: host, Path: r.URL.Path, RawQuery: query.Encode()}).String()
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}
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