H3ALY
2498b33a9c
- Introduced helpers.LoadTemplateFiles() for consistent layout + topbar rendering - Replaced repeated template.ParseFiles() calls across handlers - Created generic RenderError(w, r, statusCode) helper - Replaced old Render403 with flexible RenderError - Updated AdminOnly middleware to render 403 errors with context - Added 500.html template for graceful panic fallback - Prepared structure for future error codes (404, 429, etc.)
110 lines
2.2 KiB
Go
110 lines
2.2 KiB
Go
package helpers
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import (
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"html/template"
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"net/http"
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"strings"
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"synlotto-website/models"
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"github.com/gorilla/csrf"
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)
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func TemplateContext(w http.ResponseWriter, r *http.Request, data models.TemplateData) map[string]interface{} {
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session, _ := GetSession(w, r)
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var flash string
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if f, ok := session.Values["flash"].(string); ok {
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flash = f
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delete(session.Values, "flash")
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session.Save(r, w)
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}
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return map[string]interface{}{
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"CSRFField": csrf.TemplateField(r),
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"Flash": flash,
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"User": data.User,
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"IsAdmin": data.IsAdmin,
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"NotificationCount": data.NotificationCount,
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"Notifications": data.Notifications,
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"MessageCount": data.MessageCount,
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"Messages": data.Messages,
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}
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}
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func TemplateFuncs() template.FuncMap {
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return template.FuncMap{
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"plus1": func(i int) int { return i + 1 },
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"minus1": func(i int) int {
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if i > 1 {
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return i - 1
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}
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return 0
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},
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"mul": func(a, b int) int { return a * b },
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"add": func(a, b int) int { return a + b },
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"min": func(a, b int) int {
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if a < b {
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return a
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} else {
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return b
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}
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},
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"intVal": func(p *int) int {
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if p == nil {
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return 0
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}
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return *p
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},
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"inSlice": InSlice,
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"lower": lower,
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"rangeClass": rangeClass,
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}
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}
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func LoadTemplateFiles(name string, files ...string) *template.Template {
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shared := []string{
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"templates/layout.html",
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"templates/topbar.html",
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}
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all := append(shared, files...)
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return template.Must(template.New(name).Funcs(TemplateFuncs()).ParseFiles(all...))
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}
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func SetFlash(w http.ResponseWriter, r *http.Request, message string) {
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session, _ := GetSession(w, r)
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session.Values["flash"] = message
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session.Save(r, w)
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}
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func InSlice(n int, list []int) bool {
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for _, v := range list {
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if v == n {
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return true
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}
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}
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return false
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}
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func lower(input string) string {
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return strings.ToLower(input)
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}
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func rangeClass(n int) string {
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switch {
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case n >= 1 && n <= 9:
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return "01-09"
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case n >= 10 && n <= 19:
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return "10-19"
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case n >= 20 && n <= 29:
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return "20-29"
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case n >= 30 && n <= 39:
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return "30-39"
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case n >= 40 && n <= 49:
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return "40-49"
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default:
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return "50-plus"
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}
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}
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