loading all templates automatically

README.md

@@ -1,4 +1,9 @@
 # iroon
+## todo:
+- extract order creation form into it's own element
+- option to add additional cakes
+- saving orders on server
+- displaying orders
 ## ux design
 ### adding an order:
 1. user selects the _add order_ button

controller.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"html/template"
+	"io/fs"
+	"net/http"
+)
+
+type controller struct {
+	tmpl map[string]*template.Template
+	http.Handler
+}
+
+func (c *controller) LoadRouter(pub fs.FS) {
+	serveMux := http.NewServeMux()
+
+	serveMux.Handle("GET /", http.FileServerFS(unwrap(fs.Sub(pub, "public"))))
+	serveMux.HandleFunc("POST /order/new", c.postNewOrder)
+	serveMux.HandleFunc("GET /cake/options", c.cakeOptions)
+
+	c.Handler = serveMux
+}

controller/cake.go

@@ -1,14 +0,0 @@
-package controller
-
-import (
-	"net/http"
-)
-
-func (c *Controller) cakeOptions(w http.ResponseWriter, _ *http.Request) {
-	type cake struct {
-		Name string
-		ID   int
-	}
-	//w.Header().Set("Content-Type", "text/html")
-	c.tmpl["cake/options"].Execute(w, struct{ Cakes []cake }{Cakes: []cake{{"Hello", 1}, {"World", 2}}})
-}

controller/controller.go

@@ -1,29 +0,0 @@
-package controller
-
-import (
-	"html/template"
-	"io/fs"
-	"net/http"
-)
-
-type Controller struct {
-	tmpl map[string]*template.Template
-	http.Handler
-}
-
-// #todo: load all automatically
-func (c *Controller) LoadTemplates(fs fs.FS) {
-	c.tmpl = make(map[string]*template.Template)
-	c.tmpl["order/confirmation"], _ = template.ParseFS(fs, "templates/order/confirmation.html")
-	c.tmpl["cake/options"], _ = template.ParseFS(fs, "templates/cake/options.html")
-}
-
-func (c *Controller) LoadRouter(pub fs.FS) {
-	serveMux := http.NewServeMux()
-
-	serveMux.Handle("GET /", http.FileServerFS(unwrap(fs.Sub(pub, "public"))))
-	serveMux.HandleFunc("POST /order/new", c.postNewOrder)
-	serveMux.HandleFunc("GET /cake/options", c.cakeOptions)
-
-	c.Handler = serveMux
-}

controller/new_order.go

@@ -1,17 +0,0 @@
-package controller
-
-import (
-	"fmt"
-	"net/http"
-)
-
-func (c *Controller) postNewOrder(w http.ResponseWriter, r *http.Request) {
-	fmt.Println("received Post request: ", r)
-	err := r.ParseForm()
-	if err != nil {
-		_ = c.tmpl["order/confirmation"].Execute(w, struct{ Status any }{Status: err})
-	}
-	w.WriteHeader(http.StatusAccepted)
-	fmt.Println(r.Form)
-	_ = c.tmpl["order/confirmation"].Execute(w, struct{ Status any }{Status: r.Form})
-}

controller/util.go

@@ -1,8 +0,0 @@
-package controller
-
-func unwrap[T any](output T, err error) T {
-	if err != nil {
-		panic(err)
-	}
-	return output
-}

handlers.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func (c *controller) cakeOptions(w http.ResponseWriter, _ *http.Request) {
+	type cake struct {
+		Name string
+		ID   int
+	}
+	c.tmpl["available_cakes"].Execute(w, struct{ Cakes []cake }{Cakes: []cake{{"Hello", 1}, {"World", 2}}})
+}
+
+func (c *controller) postNewOrder(w http.ResponseWriter, r *http.Request) {
+	err := r.ParseForm()
+	if err != nil {
+		_ = c.tmpl["confirm_order"].Execute(w, struct{ Status any }{Status: err})
+	}
+	w.WriteHeader(http.StatusAccepted)
+	fmt.Println(r.Form)
+	_ = c.tmpl["confirm_order"].Execute(w, struct{ Status any }{Status: r.Form})
+}

main.go

@@ -6,7 +6,6 @@ import (
 
 	"net/http"
 
-	"github.com/Bronku/iroon/controller"
 	_ "github.com/mattn/go-sqlite3"
 )
 
@@ -17,8 +16,8 @@ var public embed.FS
 var templates embed.FS
 
 func main() {
-	var c controller.Controller
+	var c controller
-	c.LoadTemplates(templates)
+	c.tmpl = LoadTemplates(templates)
 	c.LoadRouter(public)
 
 	err := http.ListenAndServe(":8080", c)

public/index.html

@@ -14,39 +14,44 @@
         <h1>I ran out of names</h1>
     </header>
     <main>
-        <form x-show="open" hx-post="order/new" hx-swap="innerHTML" hx-target="#response" id="new_cake_form">
+        <div id="new_order_form">
-            <div>
+            <form x-show="open" hx-post="order/new" hx-swap="innerHTML" hx-target="#new_order_response"
-                <label for="firstname">First Name</label>
+                id="new_cake_form">
-                <input type="text" id="firstname" name="firstname" required value="">
+                <div>
-            </div>
+                    <label for="firstname">First Name</label>
-            <div>
+                    <input type="text" id="firstname" name="firstname" required value="">
-                <label for="lastname">Last Name</label>
+                </div>
-                <input type="text" id="lastname" name="lastname" value="">
+                <div>
-            </div>
+                    <label for="lastname">Last Name</label>
-            <div>
+                    <input type="text" id="lastname" name="lastname" value="">
-                <label for="phone">Phone</label>
+                </div>
-                <input type="tel" id="phone" name="phone" value="">
+                <div>
-            </div>
+                    <label for="phone">Phone</label>
-            <div>
+                    <input type="tel" id="phone" name="phone" value="">
-                <label for="location">Location</label>
+                </div>
-                <input type="text" id="location" name="location" value="">
+                <div>
-            </div>
+                    <label for="location">Location</label>
-            <div>
+                    <input type="text" id="location" name="location" value="">
-                <label for="paid">Paid</label>
+                </div>
-                <input type="number" id="paid" name="paid" step="0.01" min="0" value="">
+                <div>
-            </div>
+                    <label for="paid">Paid</label>
-            <div id="selected_cakes"></div>
+                    <input type="number" id="paid" name="paid" step="0.01" min="0" value="">
-            <button id="submit_button" type="submit">Submit</button>
+                </div>
-            <button id="reset_button" type="reset">Reset</button>
+                <div id="selected_cakes"></div>
-            <script>
+                <button id="submit_button" type="submit">Submit</button>
-                document.getElementById("reset_button").addEventListener("click", function () {
+                <button id="reset_button" type="reset">Reset</button>
-                    document.getElementById("selected_cakes").innerHTML = "";
+                <script>
-                    document.querySelectorAll("#dropdown option").forEach(option => option.disabled = false);
+                    document.getElementById("reset_button").addEventListener("click", function () {
-                })
+                        document.getElementById("selected_cakes").innerHTML = "";
-            </script>
+                        document.querySelectorAll("#dropdown option").forEach(option => option.disabled = false);
-        </form>
+                    })
-        <div hx-get="cake/options" hx-swap="outerHTML" hx-trigger="load" hx-target="closest div"></div>
+                </script>
-        <div id="response"></div>
+            </form>
+            <!--A dropdown with all available cakes loaded dynamically-->
+            <div hx-get="cake/options" hx-swap="outerHTML" hx-trigger="load" hx-target="closest div"></div>
+            <!--A space to fit the response after submitting the form-->
+            <div id="new_order_response"></div>
+        </div>
     </main>
 </body>
 

templates/confirm_order.html

@@ -2,6 +2,6 @@
 {{.Status}}
 <script>
     document.getElementById("close_button").addEventListener("click", function () {
-        document.getElementById("response").innerHTML = ""
+        document.getElementById("new_order_response").innerHTML = ""
     })
 </script>

util.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"io/fs"
+	"strings"
+)
+
+func unwrap[T any](output T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return output
+}
+
+func LoadTemplates(fs fs.ReadDirFS) map[string]*template.Template {
+	files, err := fs.ReadDir("templates")
+	if err != nil {
+		fmt.Println("can't read the templates directory")
+		return nil
+	}
+	tmpl := make(map[string]*template.Template)
+	for _, e := range files {
+		if e.IsDir() {
+			continue
+		}
+		name := e.Name()
+		name = strings.Split(name, ".")[0]
+		tmpl[name], err = template.ParseFS(fs, "templates/"+name+".html")
+		if err != nil {
+			fmt.Println("can't open template: " + name)
+		}
+	}
+	return tmpl
+}