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Refactor: Centralize template loading and improve error handling

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- 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.)
This commit is contained in:
Ross Healy
2025-04-02 09:12:13 +01:00
parent f5653f737d
commit 2498b33a9c
16 changed files with 69 additions and 106 deletions
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13
handlers/admin/prizes.go
View File

@@ -3,7 +3,6 @@ package handlers
import (
"database/sql"
"fmt"
"html/template"
"net/http"
"strconv"
"synlotto-website/helpers"
@@ -13,10 +12,8 @@ import (
func AddPrizesHandler(db *sql.DB) http.HandlerFunc {
return helpers.AuthMiddleware(func(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodGet {
tmpl := template.Must(template.New("").Funcs(helpers.TemplateFuncs()).ParseFiles(
"templates/layout.html",
"templates/admin/draws/prizes/add_prizes.html",
))
tmpl := helpers.LoadTemplateFiles("add_prizes.html", "templates/admin/draws/prizes/add_prizes.html")
tmpl.ExecuteTemplate(w, "layout", helpers.TemplateContext(w, r, models.TemplateData{}))
return
}
@@ -47,10 +44,8 @@ func AddPrizesHandler(db *sql.DB) http.HandlerFunc {
func ModifyPrizesHandler(db *sql.DB) http.HandlerFunc {
return helpers.AuthMiddleware(func(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodGet {
tmpl := template.Must(template.New("").Funcs(helpers.TemplateFuncs()).ParseFiles(
"templates/layout.html",
"templates/admin/draws/prizes/modify_prizes.html",
))
tmpl := helpers.LoadTemplateFiles("modify_prizes.html", "templates/admin/draws/prizes/modify_prizes.html")
tmpl.ExecuteTemplate(w, "layout", helpers.TemplateContext(w, r, models.TemplateData{}))
return
}