package router import ( "html/template" "log" "math" "net/url" "strconv" "github.com/nicksnyder/go-i18n/i18n" "github.com/ewhal/nyaa/service/user/permission" ) var FuncMap = template.FuncMap{ "min": math.Min, "genRoute": func(name string, params ...string) string { url, err := Router.Get(name).URL(params...) if err == nil { return url.String() } return "error" }, "genRouteWithQuery": func(name string, currentUrl *url.URL, params ...string) template.HTML { url, err := Router.Get(name).URL(params...) if err == nil { return template.HTML(url.String()+ "?" + currentUrl.RawQuery) } return "error" }, "genNav": func(nav Navigation, currentUrl *url.URL, pagesSelectable int) template.HTML { maxPages := math.Ceil(float64(nav.TotalItem) / float64(nav.MaxItemPerPage)) var ret = "" if nav.CurrentPage-1 > 0 { url, _ := Router.Get(nav.Route).URL("page", "1") ret = ret + "
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  • " } startValue := 1 if nav.CurrentPage > pagesSelectable/2 { startValue = (int(math.Min((float64(nav.CurrentPage)+math.Floor(float64(pagesSelectable)/2)), maxPages)) - pagesSelectable + 1) } endValue := (startValue + pagesSelectable -1) if endValue > int(maxPages) { endValue = int(maxPages) } log.Println(nav.TotalItem) for i := startValue; i <= endValue; i++ { pageNum := strconv.Itoa(i) url, _ := Router.Get(nav.Route).URL("page", pageNum) ret = ret + "" + strconv.Itoa(i) + "" } if nav.CurrentPage < int(maxPages) { url, _ := Router.Get(nav.Route).URL("page", strconv.Itoa(nav.CurrentPage+1)) ret = ret + "
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  • " } return template.HTML(ret) }, "T": i18n.IdentityTfunc, "getAvatar": func (hash string, size int) string { return "https://www.gravatar.com/avatar/"+hash+"?s="+strconv.Itoa(size) }, "CurrentOrAdmin": userPermission.CurrentOrAdmin, "CurrentUserIdentical": userPermission.CurrentUserIdentical, "HasAdmin": userPermission.HasAdmin, "GetRole": userPermission.GetRole, "IsFollower": userPermission.IsFollower, }