84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package http
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import (
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"net/http"
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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 (
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defaultLayananPerPage = 15
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maxLayananPerPage = 1000
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)
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type LayananPaginationResponse struct {
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CurrentPage int `json:"current_page"`
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Data []repository.LayananDepartemen `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) ListLayanan(w http.ResponseWriter, r *http.Request) {
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pageNumber := layananPageNumber(r)
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perPage := layananPageSize(r)
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search := strings.TrimSpace(r.URL.Query().Get("search"))
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departemenID := strings.TrimSpace(r.URL.Query().Get("departemen_id"))
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page, err := h.layananRepository(r.Context()).ListLayanan(r.Context(), repository.LayananListParams{
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Page: pageNumber, PerPage: perPage, Search: search, DepartemenID: departemenID,
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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, Message: "internal server error", Data: nil,
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})
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return
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}
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lastPage := (page.Total + perPage - 1) / perPage
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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)*perPage + 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 := currentRequestURL(r, pageNumber+1)
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nextPageURL = &value
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}
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WriteJSON(w, http.StatusOK, LayananPaginationResponse{
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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: perPage,
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})
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}
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func layananPageSize(r *http.Request) int {
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perPage, err := strconv.Atoi(r.URL.Query().Get("per_page"))
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if err != nil || perPage < 1 {
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return defaultLayananPerPage
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}
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if perPage > maxLayananPerPage {
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return maxLayananPerPage
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}
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return perPage
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}
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func layananPageNumber(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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