From 325b085b5453331cbb8a4c2f2f8616ec8222a850 Mon Sep 17 00:00:00 2001
From: Tim <timwundenberg@outlook.de>
Date: Tue, 30 Jul 2024 21:30:10 +0200
Subject: [PATCH] #41 add toasts and use for success and error

---
 view/src/lib/toast.ts               | 27 +++++++++++++++++++++++
 view/src/routes/+layout.svelte      | 34 +++++++++++++++++++++++++----
 view/src/routes/app/+page.svelte    | 18 +++++----------
 view/src/routes/signin/+page.svelte | 12 ++++------
 view/src/routes/signup/+page.svelte | 12 ++++------
 5 files changed, 70 insertions(+), 33 deletions(-)
 create mode 100644 view/src/lib/toast.ts

diff --git a/view/src/lib/toast.ts b/view/src/lib/toast.ts
new file mode 100644
index 0000000..e834c04
--- /dev/null
+++ b/view/src/lib/toast.ts
@@ -0,0 +1,27 @@
+import { writable } from "svelte/store";
+
+
+type Type = 'success' | 'info' | 'warning' | 'error';
+type Toast = {
+	message: string;
+	type: Type;
+}
+
+const toastStore = writable<Toast[]>([]);
+
+
+const addToast = (message: string, type: Type) => {
+	const newToast = { message, type };
+
+	toastStore.update((toasts) => {
+		return [...toasts, newToast];
+	});
+
+	setTimeout(() => {
+		toastStore.update((toasts) => toasts.filter((t) => t !== newToast));
+	}, 5000);
+}
+
+
+export { toastStore, addToast, };
+export type { Toast }
diff --git a/view/src/routes/+layout.svelte b/view/src/routes/+layout.svelte
index 8e231d1..a86be26 100644
--- a/view/src/routes/+layout.svelte
+++ b/view/src/routes/+layout.svelte
@@ -2,29 +2,38 @@
 	import '../app.css';
 	import { onDestroy, onMount } from 'svelte';
 	import type { Auth, User } from 'firebase/auth';
+	import { addToast, toastStore } from '$lib/toast';
+	import type { Toast } from '$lib/toast';
 
 	var auth: Auth | null = null;
 	var user: User | null = null;
-	var unsub: (() => void) | null = null;
+	var unsubAuth: (() => void) | null = null;
+
+	let toasts: Toast[] = [];
+	let unsubToast = toastStore.subscribe((value) => {
+		toasts = value;
+	});
 
 	onMount(async () => {
 		const { auth: _auth } = await import('../lib/firebase');
 		auth = _auth;
 		user = auth.currentUser;
-		unsub = auth.onAuthStateChanged((newUser) => {
+		unsubAuth = auth.onAuthStateChanged((newUser) => {
 			user = newUser;
 		});
 	});
 
 	onDestroy(() => {
-		if (unsub) {
-			unsub();
+		unsubToast();
+		if (unsubAuth) {
+			unsubAuth();
 		}
 	});
 
 	const signOut = async () => {
 		try {
 			await (auth as Auth).signOut();
+			addToast('Signed out successfully', 'success');
 		} catch (error) {
 			console.error(error);
 		}
@@ -46,4 +55,21 @@
 	<div class="flex-1">
 		<slot></slot>
 	</div>
+
+	<!-- This is needed so all class names are inside the bundle -->
+	<!-- The class names are used dynamically, so tailwind can't know -->
+	<div class="hidden">
+		<div class="alert-info text-info-content"></div>
+		<div class="alert-success text-success-content"></div>
+		<div class="alert-warning text-warning-content"></div>
+		<div class="alert-error text-error-content"></div>
+	</div>
+
+	<div class="toast toast-end">
+		{#each toasts as toast}
+			<div class="alert alert-{toast.type}">
+				<span class="text-{toast.type}-content">{toast.message}</span>
+			</div>
+		{/each}
+	</div>
 </div>
diff --git a/view/src/routes/app/+page.svelte b/view/src/routes/app/+page.svelte
index d76da53..865fca6 100644
--- a/view/src/routes/app/+page.svelte
+++ b/view/src/routes/app/+page.svelte
@@ -3,8 +3,7 @@
 	import { onMount } from 'svelte';
 	import type { Auth } from 'firebase/auth';
 	import { goto } from '$app/navigation';
-
-	$: errorStr = '';
+	import { addToast } from '$lib/toast';
 
 	var auth: Auth | null = null;
 
@@ -12,8 +11,6 @@
 	$: workouts = [];
 
 	async function handleSubmit(_submit: SubmitEvent) {
-		errorStr = '';
-
 		const form = _submit.target as HTMLFormElement;
 		const formData = new FormData(form);
 
@@ -30,12 +27,10 @@
 				fetchWorkouts();
 				resetForm();
 			} else {
-				const data = await response.text();
-				errorStr = data;
+				addToast('Failed to save workout: ' + (await response.text()), 'error');
 			}
 		} catch (error: any) {
-			errorStr = error.message;
-			console.error(error);
+			addToast('Failed to save workout: ' + error.message, 'error');
 		}
 	}
 
@@ -62,10 +57,10 @@
 				console.log(data);
 				workouts = data;
 			} else {
-				errorStr = await response.text();
+				addToast('Failed to fetch workouts: ' + (await response.text()), 'error');
 			}
 		} catch (error: any) {
-			console.log(error);
+			addToast('Failed to fetch workouts: ' + error.message, 'error');
 		}
 	}
 
@@ -101,9 +96,6 @@
 	<input type="number" class="input input-bordered" placeholder="Reps" name="reps" />
 
 	<button class="btn btn-primary self-end">Save</button>
-	{#if errorStr}
-		<p class="text-error">{errorStr}</p>
-	{/if}
 </form>
 
 <div class="overflow-x-auto mx-auto max-w-screen-lg">
diff --git a/view/src/routes/signin/+page.svelte b/view/src/routes/signin/+page.svelte
index 11ed02a..c106c1a 100644
--- a/view/src/routes/signin/+page.svelte
+++ b/view/src/routes/signin/+page.svelte
@@ -1,11 +1,9 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
+	import { addToast } from '$lib/toast';
 	import { signInWithEmailAndPassword } from 'firebase/auth';
 
-	var errorStr: string | null = null;
-
 	const signIn = async (event: SubmitEvent) => {
-		errorStr = null;
 		const { auth } = await import('$lib/firebase');
 
 		try {
@@ -16,9 +14,11 @@
 				data.get('password') as string
 			);
 
+			addToast('Signed in successfully', 'success');
 			goto('/');
 		} catch (error: any) {
-			errorStr = error.code ? error.code : error.message;
+			const errorStr = error.code ? error.code : error.message;
+			addToast('Failed to sign in: ' + errorStr, 'error');
 		}
 	};
 </script>
@@ -65,8 +65,4 @@
 		<a href="/signup" class="link gray-500">Sign Up</a>
 		<button class="btn btn-primary self-end">Sign In</button>
 	</div>
-
-	{#if errorStr}
-		<p class="text-red-500">{errorStr}</p>
-	{/if}
 </form>
diff --git a/view/src/routes/signup/+page.svelte b/view/src/routes/signup/+page.svelte
index ce3f2d6..82df04d 100644
--- a/view/src/routes/signup/+page.svelte
+++ b/view/src/routes/signup/+page.svelte
@@ -1,11 +1,9 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
+	import { addToast } from '$lib/toast';
 	import { createUserWithEmailAndPassword } from 'firebase/auth';
 
-	var errorStr: string | null = null;
-
 	const signUp = async (event: SubmitEvent) => {
-		errorStr = null;
 		const { auth } = await import('$lib/firebase');
 
 		try {
@@ -16,9 +14,11 @@
 				data.get('password') as string
 			);
 
+			addToast('Signed up successfully', 'success');
 			goto('/');
 		} catch (error: any) {
-			errorStr = error.code ? error.code : error.message;
+			const errorStr = error.code ? error.code : error.message;
+			addToast('Failed to sign up: ' + errorStr, 'error');
 		}
 	};
 </script>
@@ -65,8 +65,4 @@
 		<a href="/signin" class="link gray-500">Sign In</a>
 		<button class="btn btn-primary self-end">Sign Up</button>
 	</div>
-
-	{#if errorStr}
-		<p class="text-red-500">{errorStr}</p>
-	{/if}
 </form>