From f456fa1a6d3a6633af3b420f1eddbc1a96ffcdf1 Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Tue, 25 Apr 2023 17:39:48 +0200
Subject: Introduce routing table

This removes a lot of repetative code.
---
 server.go | 45 ++++++++++++++++++++++++++++++++-------------
 1 file changed, 32 insertions(+), 13 deletions(-)

(limited to 'server.go')

diff --git a/server.go b/server.go
index 891a7b9..3c82f36 100644
--- a/server.go
+++ b/server.go
@@ -3,23 +3,42 @@ package main
 import (
 	"log"
 	"net/http"
+	"strings"
 )
 
-func setupRoutes() {
-
-	http.HandleFunc("/", indexMux)
-	http.HandleFunc("/recipe", recipeMux)
-	http.HandleFunc("/recipe/edit", recipeEditMux)
-	http.HandleFunc("/recipe/confirm-deletion", recipeConfirmDeletionMux)
-	http.HandleFunc("/add_recipes", addRecipesMux)
-	http.HandleFunc("/static/style.css", staticStyleMux)
-	http.HandleFunc("/favicon.ico", faviconMux)
-}
-
 func runServer() {
-
-	setupRoutes()
 	address := config.Host + ":" + config.Port
+	http.HandleFunc("/", route)
 	log.Println("Serving content at 'http://" + address + "'.")
 	log.Fatal(http.ListenAndServe(address, nil))
 }
+
+func route(w http.ResponseWriter, r *http.Request) {
+
+	tab := routingTable{
+		{"/favicon.ico", "GET", staticGet("favicon.ico")},
+		{"/static/style.css", "GET", staticGet("style.css")},
+		{"/add_recipes", "GET", addRecipesGet},
+		{"/recipe/confirm-deletion", "GET", recipeConfirmDeletionGet},
+		{"/recipe/confirm-deletion", "POST", recipeConfirmDeletionPost},
+		{"/recipe/edit", "GET", recipeEditGet},
+		{"/recipe/edit", "POST", recipeEditPost},
+		{"/recipe", "GET", recipeGet},
+		{"/", "GET", indexGet},
+	}
+
+	for _, v := range(tab) {
+		if strings.HasPrefix(r.URL.String(), v.target) && r.Method == v.method {
+			v.handler(w, r)
+			return
+		}
+	}
+
+	http.Error(w, "Bad Request", 400)
+}
+
+type routingTable []struct {
+	target string
+	method string
+	handler func(w http.ResponseWriter, r *http.Request)
+}
-- 
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