feat: copy user reference link

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 gin-bin
 lishwist.db
+.env

auth/auth.go

@@ -41,7 +41,7 @@ func (auth *AuthMiddleware) ExpectUser(r *http.Request) *db.User {
 }
 
 func NewAuthMiddleware(protectedHandler http.Handler, publicHandler http.Handler) *AuthMiddleware {
-	store := sessions.NewCookieStore([]byte(env.Secret))
+	store := sessions.NewCookieStore([]byte(env.JwtSecret))
 	store.Options.MaxAge = 86_400
 	return &AuthMiddleware{store, protectedHandler, publicHandler}
 }

auth/login.go

@@ -39,6 +39,7 @@ func (auth *AuthMiddleware) LoginPost(w http.ResponseWriter, r *http.Request) {
 
 	session, err := auth.Store.Get(r, "lishwist_user")
 	if err != nil {
+		log.Println("Couldn't get jwt:", err)
 		http.Error(w, "Something went wrong. Error code: Sokka", http.StatusInternalServerError)
 		return
 	}

context/home.go

@@ -4,6 +4,7 @@ import (
 	"net/http"
 
 	"lishwist/db"
+	"lishwist/env"
 	"lishwist/templates"
 )
 
@@ -12,6 +13,7 @@ type HomeProps struct {
 	Gifts     []db.Gift
 	Todo      []db.Gift
 	Reference string
+	HostUrl   string
 }
 
 func (ctx *Context) Home(w http.ResponseWriter, r *http.Request) {
@@ -26,6 +28,6 @@ func (ctx *Context) Home(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "An error occurred while fetching your wishlist :(", http.StatusInternalServerError)
 		return
 	}
-	p := HomeProps{Username: user.Name, Gifts: gifts, Todo: todo, Reference: user.Reference}
+	p := HomeProps{Username: user.Name, Gifts: gifts, Todo: todo, Reference: user.Reference, HostUrl: env.HostUrl.String()}
 	templates.Execute(w, "home.gotmpl", p)
 }

env/env.go

@@ -1,3 +1,30 @@
 package env
 
-const Secret = "BLAHBLAHLBAH"
+import (
+	"log"
+	"net/url"
+	"os"
+)
+
+func GuaranteeEnv(key string) (variable string) {
+	variable, ok := os.LookupEnv(key)
+	if !ok || variable == "" {
+		log.Fatalln("Missing environment variable:", key)
+	}
+	return
+}
+
+var JwtSecret = GuaranteeEnv("LISHWIST_JWT_SECRET")
+var HostDomain = GuaranteeEnv("LISHWIST_DOMAIN")
+var HostPort = os.Getenv("LISHWIST_PORT")
+var HostUrl = func() *url.URL {
+	rawUrl := "http://" + HostDomain
+	if HostPort != "" {
+		rawUrl += ":" + HostPort
+	}
+	u, err := url.Parse(rawUrl)
+	if err != nil {
+		log.Fatalln("Couldn't parse host url:", err)
+	}
+	return u
+}()

main.go

@@ -7,6 +7,7 @@ import (
 	"lishwist/auth"
 	"lishwist/context"
 	"lishwist/db"
+	"lishwist/env"
 	"lishwist/templates"
 )
 
@@ -44,5 +45,5 @@ func main() {
 
 	http.Handle("/", authMiddleware)
 
-	http.ListenAndServe(":4000", nil)
+	http.ListenAndServe(":"+env.HostPort, nil)
 }

templates/home.gotmpl

@@ -6,8 +6,11 @@
 <h1>Lishwist</h1>
 <dl>
   <dt>User reference:</dt>
-  <dd>
+  <dd style="display: flex; gap: 0.5rem">
     <pre>{{.Reference}}</pre>
+    <div style="display: flex; align-items: center;">
+      <button onclick="navigator.clipboard.writeText('{{.HostUrl}}/{{.Reference}}');">Copy link</button>
+    </div>
   </dd>
 </dl>
 <section>