68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package trantor
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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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"gitlab.com/trantor/trantor/lib/database"
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)
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const (
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searchItemsPage = 20
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)
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type searchData struct {
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S Status
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Found int
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Books []database.Book
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ItemsPage int
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Page int
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Next string
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Prev string
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}
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func searchHandler(h handler) {
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err := h.r.ParseForm()
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if err != nil {
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http.Error(h.w, err.Error(), http.StatusInternalServerError)
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return
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}
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req := strings.Join(h.r.Form["q"], " ")
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page := 0
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if len(h.r.Form["p"]) != 0 {
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page, err = strconv.Atoi(h.r.Form["p"][0])
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if err != nil {
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page = 0
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}
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}
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items_page := itemsPage(h.r)
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res, num, _ := h.db.GetBooks(req, items_page, page*items_page)
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var data searchData
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data.S = GetStatus(h)
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data.S.Title = req + " -- Search -- " + data.S.Title
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data.S.Search = req
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data.Books = res
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data.ItemsPage = items_page
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data.Found = num
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data.Page = page + 1
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if num > (page+1)*items_page {
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data.Next = "/search/?q=" + req + "&p=" + strconv.Itoa(page+1) + "&num=" + strconv.Itoa(items_page)
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}
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if page > 0 {
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data.Prev = "/search/?q=" + req + "&p=" + strconv.Itoa(page-1) + "&num=" + strconv.Itoa(items_page)
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}
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h.load("search", data)
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}
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func itemsPage(r *http.Request) int {
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if len(r.Form["num"]) > 0 {
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items_page, err := strconv.Atoi(r.Form["num"][0])
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if err == nil {
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return items_page
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}
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}
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return searchItemsPage
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}
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