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#134 feat: custom 404 not found page for invalid routes #140

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Merged
merged 5 commits into from
Jun 17, 2025
Merged

#134 feat: custom 404 not found page for invalid routes #140

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f8c0961
feat: custom 404 not found page for invalid routes
shricastic May 24, 2025
4fec213
fix: update 404 error message
zcesur Jun 17, 2025
b965171
minor changes & reformat
zcesur Jun 17, 2025
d0741d2
change link from anchor tag to a LV link
zcesur Jun 17, 2025
0582eae
replace NotFoundComponent with a heex template
zcesur Jun 17, 2025
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12 changes: 1 addition & 11 deletions lib/algora_web/controllers/error_html.ex
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Original file line number Diff line number Diff line change
@@ -1,18 +1,8 @@
defmodule AlgoraWeb.ErrorHTML do
use AlgoraWeb, :html

# If you want to customize your error pages,
# uncomment the embed_templates/1 call below
# and add pages to the error directory:
#
# * lib/algora_web/controllers/error_html/404.html.heex
# * lib/algora_web/controllers/error_html/500.html.heex
#
# embed_templates "error_html/*"
embed_templates "error_html/*"

# The default is to render a plain text page based on
# the template name. For example, "404.html" becomes
# "Not Found".
def render(template, _assigns) do
Phoenix.Controller.status_message_from_template(template)
end
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234 changes: 234 additions & 0 deletions lib/algora_web/controllers/error_html/404.html.heex
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Original file line number Diff line number Diff line change
@@ -0,0 +1,234 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>404 - Page Not Found</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
background: #000;
color: #fff;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
padding: 1rem;
overflow: hidden;
}

.container {
text-align: center;
max-width: 500px;
position: relative;
z-index: 2;
}

.error-code {
font-size: clamp(4rem, 12vw, 8rem);
font-weight: 800;
line-height: 0.9;
margin-bottom: 1.5rem;
background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
letter-spacing: -0.05em;
position: relative;
}

.error-code::before {
content: '404';
position: absolute;
top: 0;
left: 0;
right: 0;
background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
filter: blur(2px);
z-index: -1;
}

.title {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: 0.75rem;
color: #fff;
letter-spacing: -0.025em;
}

.description {
font-size: 1rem;
color: #888;
margin-bottom: 2.5rem;
line-height: 1.5;
margin-left: auto;
margin-right: auto;
}

.home-button {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.75rem 1.5rem;
background: #fff;
color: #000;
text-decoration: none;
border-radius: 0.5rem;
font-weight: 600;
font-size: 0.875rem;
transition: all 0.2s ease;
border: 2px solid transparent;
position: relative;
overflow: hidden;
}

.home-button::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
transition: left 0.6s ease;
}

.home-button:hover {
background: #f5f5f5;
transform: translateY(-1px);
box-shadow: 0 4px 12px rgba(255,255,255,0.1);
}

.home-button:hover::before {
left: 100%;
}

.home-button:active {
transform: translateY(0);
}

.floating-elements {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 1;
}

.floating-dot {
position: absolute;
width: 4px;
height: 4px;
background: rgba(255,255,255,0.1);
border-radius: 50%;
animation: float 6s ease-in-out infinite;
}

.floating-dot:nth-child(1) {
top: 20%;
left: 10%;
animation-delay: 0s;
}

.floating-dot:nth-child(2) {
top: 60%;
right: 15%;
animation-delay: 1s;
}

.floating-dot:nth-child(3) {
bottom: 30%;
left: 20%;
animation-delay: 2s;
}

.floating-dot:nth-child(4) {
top: 40%;
right: 30%;
animation-delay: 3s;
}

@keyframes float {
0%, 100% {
transform: translateY(0px) scale(1);
opacity: 0;
}
50% {
transform: translateY(-20px) scale(1.2);
opacity: 1;
}
}

.glow {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 300px;
height: 300px;
background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
border-radius: 50%;
z-index: 1;
}

@media (max-width: 640px) {
.container {
max-width: 90%;
}

.title {
font-size: 1.25rem;
}

.description {
font-size: 0.875rem;
margin-bottom: 2rem;
}
}
</style>
</head>
<body>
<div class="floating-elements">
<div class="floating-dot"></div>
<div class="floating-dot"></div>
<div class="floating-dot"></div>
<div class="floating-dot"></div>
<div class="glow"></div>
</div>

<div class="container">
<div class="error-code">404</div>
<h1 class="title">This page could not be found</h1>
<p class="description">
Sorry, the page you're looking for doesn't exist or has been moved.
</p>
<.link navigate="/" class="home-button">
<svg
xmlns="http://www.w3.org/2000/svg"
width="16"
height="16"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path stroke="none" d="M0 0h24v24H0z" fill="none" /><path d="M5 12l14 0" /><path d="M5 12l6 6" /><path d="M5 12l6 -6" />
</svg>
Go back home
</.link>
</div>
</body>
</html>
2 changes: 1 addition & 1 deletion test/algora_web/controllers/error_html_test.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ defmodule AlgoraWeb.ErrorHTMLTest do
import Phoenix.Template

test "renders 404.html" do
assert render_to_string(AlgoraWeb.ErrorHTML, "404", "html", []) == "Not Found"
assert render_to_string(AlgoraWeb.ErrorHTML, "404", "html", []) =~ "could not be found"
end

test "renders 500.html" do
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