Initial plumbing
This commit is contained in:
torbjornmolin
1
.gitignore
vendored
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1
.gitignore
vendored
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/target
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1306
Cargo.lock
generated
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1306
Cargo.lock
generated
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File diff suppressed because it is too large
Load Diff
14
Cargo.toml
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14
Cargo.toml
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[package]
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name = "image-placeholder-generator"
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version = "0.1.0"
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edition = "2024"
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[dependencies]
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axum = "0.8.4"
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bytes = "1"
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serde = { version = "1.0.227", features = ["derive"] }
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tokio = { version = "1.47.1", features = ["fs", "rt-multi-thread"] }
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tokio-util = { version = "0.7.16", features = ["io"] }
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tower-http = { version = "0.6.6", features = ["fs", "trace"] }
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tracing-subscriber = "0.3.20"
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zip = "5.1.1"
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271
assets/index.html
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assets/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>Image Generator</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<style>
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* {
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box-sizing: border-box;
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}
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body {
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font-family: "Segoe UI", sans-serif;
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margin: 0;
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padding: 0;
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background: linear-gradient(135deg, #667eea, #764ba2);
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color: #333;
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.container {
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width: 100%;
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max-width: 600px;
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background: white;
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border-radius: 16px;
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box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
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padding: 35px;
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margin: 40px 20px;
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text-align: center;
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position: relative;
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}
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.logo {
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width: 200px;
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margin-bottom: 15px;
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}
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h1 {
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font-size: 26px;
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color: #4c2885;
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margin-bottom: 10px;
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}
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form {
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text-align: left;
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margin-top: 20px;
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}
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label {
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display: block;
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margin-top: 20px;
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margin-bottom: 6px;
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font-weight: 600;
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color: #444;
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}
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input[type="text"],
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input[type="number"],
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textarea {
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width: 100%;
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padding: 10px;
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border: 1px solid #ccc;
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border-radius: 8px;
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font-size: 14px;
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margin-top: 4px;
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transition: border 0.2s;
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}
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input:focus,
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textarea:focus {
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border-color: #764ba2;
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outline: none;
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}
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textarea {
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resize: vertical;
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min-height: 100px;
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}
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.row {
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display: flex;
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gap: 10px;
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}
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.row input {
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flex: 1;
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}
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button {
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background-color: #ff6b6b;
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color: white;
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padding: 12px 20px;
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border: none;
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border-radius: 8px;
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font-size: 16px;
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margin-top: 30px;
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width: 100%;
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cursor: pointer;
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transition: background 0.3s;
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}
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button:hover {
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background-color: #fa5252;
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}
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.status {
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display: flex;
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align-items: center;
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justify-content: center;
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margin-top: 20px;
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font-size: 14px;
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color: #444;
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min-height: 24px;
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}
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.status-icon {
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width: 20px;
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height: 20px;
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margin-right: 8px;
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opacity: 0;
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transform: scale(0.8);
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transition: opacity 0.3s, transform 0.3s;
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}
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.status.show .status-icon {
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opacity: 1;
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transform: scale(1);
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}
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.fade-in {
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animation: fadeIn 0.5s ease-in-out;
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}
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@keyframes fadeIn {
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from {
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opacity: 0;
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transform: scale(0.95);
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}
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to {
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opacity: 1;
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transform: scale(1);
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}
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}
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@media (max-width: 500px) {
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.row {
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flex-direction: column;
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}
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}
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</style>
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</head>
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<body>
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<div class="container fade-in">
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<!-- Replace with your logo if needed -->
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<img src="logo.svg" alt="Logo" class="logo" />
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<h1>Image Generator</h1>
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<form id="imageForm">
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<label for="count">Images per Filename</label>
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<input
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type="number"
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id="count"
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name="count"
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min="1"
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value="1"
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required
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/>
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<label for="width">Image Dimensions (px)</label>
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<div class="row">
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<input
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type="number"
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id="width"
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name="width"
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min="1"
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placeholder="Width"
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required
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/>
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<input
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type="number"
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id="height"
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name="height"
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min="1"
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placeholder="Height"
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required
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/>
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</div>
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<label for="filenames">Base Filenames (one per line)</label>
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<textarea
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id="filenames"
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name="filenames"
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required
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placeholder="filename1 filename2 filename3"
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></textarea>
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<button type="submit">Generate Images & Download ZIP</button>
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</form>
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<div class="status" id="status">
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<img id="statusIcon" class="status-icon" src="" alt="" />
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<span id="statusText"></span>
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</div>
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</div>
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<script>
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const form = document.getElementById("imageForm");
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const statusDiv = document.getElementById("status");
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const statusText = document.getElementById("statusText");
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const statusIcon = document.getElementById("statusIcon");
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const showStatus = (message, type) => {
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statusText.textContent = message;
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statusDiv.classList.add("show");
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if (type === "success") {
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statusIcon.src = "https://img.icons8.com/color/48/ok--v1.png";
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} else if (type === "error") {
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statusIcon.src = "https://img.icons8.com/color/48/cancel--v1.png";
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} else {
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statusIcon.src =
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"https://img.icons8.com/color/48/medium-priority.png";
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}
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statusIcon.alt = type;
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};
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form.addEventListener("submit", async (e) => {
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e.preventDefault();
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showStatus("Generating images... Please wait.", "info");
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const formData = {
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count: parseInt(form.count.value),
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dimensions: `${form.width.value}x${form.height.value}`,
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filenames: form.filenames.value
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.trim()
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.split("\n")
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.map((name) => name.trim())
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.filter((name) => name !== ""),
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};
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try {
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const response = await fetch("api/generate", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(formData),
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});
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if (!response.ok) throw new Error("Failed to generate images.");
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const blob = await response.blob();
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const downloadUrl = window.URL.createObjectURL(blob);
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const a = document.createElement("a");
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a.href = downloadUrl;
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a.download = "generated_images.zip";
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document.body.appendChild(a);
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a.click();
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a.remove();
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window.URL.revokeObjectURL(downloadUrl);
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showStatus("✅ Download started!", "success");
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} catch (error) {
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console.error(error);
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showStatus("❌ Error: Could not generate images.", "error");
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}
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});
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</script>
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</body>
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</html>
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18
assets/logo.svg
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18
assets/logo.svg
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<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" fill="none">
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<!-- Background rectangle (light gray) -->
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<rect width="200" height="200" fill="#e0e0e0" rx="16"/>
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<!-- Image placeholder frame (darker gray) -->
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<rect x="30" y="40" width="140" height="100" fill="#c0c0c0" rx="8"/>
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<!-- triangle -->
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<polygon points="40,120 80,70 110,110" fill="#a0a0a0"/>
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<!-- circle -->
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<circle cx="120" cy="60" r="30" fill="#a000a0"/>
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<!-- Text: IMG -->
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<text x="100" y="170" text-anchor="middle" font-size="28" font-family="Arial, sans-serif" fill="#555">
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PGGen
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</text>
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</svg>
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After Width: | Height: | Size: 629 B |
78
src/main.rs
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78
src/main.rs
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use std::io::{Cursor, Write};
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use axum::{
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Json, Router,
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body::Body,
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http::{Response, StatusCode, header},
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routing::post,
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};
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use serde::Deserialize;
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use tower_http::services::ServeFile;
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#[tokio::main]
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async fn main() {
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// initialize tracing
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tracing_subscriber::fmt::init();
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// build our application with a route
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let app = Router::new()
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// `GET /` goes to `root`
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.route_service("/", ServeFile::new("assets/index.html"))
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.route_service("/logo.svg", ServeFile::new("assets/logo.svg"))
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.route("/api/generate", post(download_zip));
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// run our app with hyper, listening globally on port 3000
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let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
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axum::serve(listener, app).await.unwrap();
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}
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#[derive(Deserialize)]
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pub struct GenerateOptions {
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count: u32,
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filenames: Vec<String>,
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}
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async fn download_zip(Json(payload): Json<GenerateOptions>) -> Response<Body> {
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println!(
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"Count: {}.\nFiles: ' [ {} ]'",
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payload.count,
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payload.filenames.join(",")
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);
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// Example: Simulate multiple files in memory
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let files: Vec<(&str, &[u8])> = vec![
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("hello.txt", b"Hello, world!"),
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("readme.md", b"# README\nThis is a test."),
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("data.json", br#"{"key": "value"}"#),
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];
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// Create a buffer to hold the ZIP file in memory
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let mut buffer = Cursor::new(Vec::new());
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{
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// Create ZIP writer over the buffer
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let mut zip = zip::ZipWriter::new(&mut buffer);
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let options = zip::write::SimpleFileOptions::default()
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.compression_method(zip::CompressionMethod::Stored)
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.unix_permissions(0o644);
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for (filename, contents) in files {
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zip.start_file(filename, options).unwrap();
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zip.write_all(contents).unwrap();
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}
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zip.finish().unwrap();
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}
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let zip_bytes = buffer.into_inner();
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Response::builder()
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.status(StatusCode::OK)
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.header(header::CONTENT_TYPE, "application/zip")
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.header(
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header::CONTENT_DISPOSITION,
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"attachment; filename=\"files.zip\"",
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)
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.body(Body::from(zip_bytes))
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.unwrap()
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}
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Reference in New Issue
Block a user