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api-demo.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Workflow Runner</title>
<style>
:root {
--bg-color: #1a1a1a;
--text-color: #e0e0e0;
--primary-color: #76e5b8;
--secondary-color: #2a2a2a;
--border-color: #333;
--button-bg-color: #494949;
--input-bg: #3e3e3e;
--warning-color: #ffcc00;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: var(--text-color);
background-color: var(--bg-color);
margin: 0;
padding: 20px;
display: flex;
flex-direction: column;
height: 100vh;
box-sizing: border-box;
}
h1, h3 {
color: var(--primary-color);
font-weight: normal;
}
.container {
display: flex;
gap: 20px;
flex-grow: 1;
overflow: hidden;
}
.left-container {
display: flex;
flex-direction: column;
max-width: 30vw;
width: 100%;
overflow-y: auto;
padding-right: 10px;
}
.inputs-container {
margin-bottom: 20px;
}
.logs-container {
flex-grow: 1;
overflow-y: auto;
}
.results-container {
flex-grow: 1;
overflow-y: auto;
}
form, #output, #wsMessages {
background-color: var(--secondary-color);
padding: 20px;
border-radius: 2px;
margin-bottom: 20px;
border: 1px solid var(--border-color);
}
label {
display: block;
margin-bottom: 5px;
font-weight: normal;
}
input[type="text"], textarea, select {
width: calc(100% - 1em);
padding: .5em;
margin: .5em 0;
border: 1px solid var(--border-color);
border-radius: 2px;
background-color: var(--input-bg);
color: var(--text-color);
}
button {
background-color: var(--button-bg-color);
color: white;
padding: 10px 15px;
margin: .5em 0;
border: none;
border-radius: 2px;
cursor: pointer;
transition: color 0.2s ease;
}
button:hover {
color: var(--primary-color);
/* background-color: #76e5b8; */
}
button:disabled {
background-color: #555;
cursor: not-allowed;
}
#runWorkflowBtn {
width: 100%;
height: 2.5em;
text-transform: uppercase;
font-size: 1.2em;
}
#output, #wsMessages {
border: 1px solid var(--border-color);
min-height: 100px;
overflow-y: auto;
}
.progress-bar {
width: 100%;
background-color: var(--secondary-color);
padding: 3px;
border-radius: 2px;
box-shadow: inset 0 1px 3px rgba(0, 0, 0, .2);
}
.progress-bar-fill {
display: block;
height: 22px;
background-color: var(--primary-color);
border-radius: 2px;
transition: width 500ms ease-in-out;
}
/* Scrollbar styling */
::-webkit-scrollbar {
width: 8px;
}
::-webkit-scrollbar-track {
background: var(--border-color);
}
::-webkit-scrollbar-thumb {
background: var(--primary-color);
border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
background: var(--border-color);
}
.output-field {
margin-bottom: 20px;
background-color: var(--secondary-color);
padding: 15px;
border-radius: 5px;
}
.output-field h4 {
margin-top: 0;
color: var(--primary-color);
}
.image-placeholder,
.string-placeholder,
.number-placeholder,
.boolean-placeholder,
.array-placeholder,
.object-placeholder,
.unknown-placeholder {
background-color: var(--input-bg);
color: var(--text-color);
padding: 10px;
border-radius: 3px;
min-height: 100px;
display: flex;
align-items: center;
justify-content: center;
font-style: italic;
position: relative;
}
.image-placeholder {
border: 2px dashed var(--border-color);
background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>');
background-repeat: no-repeat;
background-position: center;
background-size: 48px;
color: transparent;
}
.image-placeholder::after {
content: 'Image will appear here';
position: absolute;
bottom: 10px;
left: 0;
right: 0;
text-align: center;
color: var(--text-color);
font-style: italic;
}
.string-placeholder,
.number-placeholder,
.boolean-placeholder {
font-family: monospace;
white-space: pre-wrap;
word-break: break-all;
text-align: left;
padding: 20px 10px 10px;
}
.string-placeholder::before,
.number-placeholder::before,
.boolean-placeholder::before {
content: 'ABC';
position: absolute;
top: 5px;
left: 10px;
font-size: 0.8em;
color: var(--primary-color);
}
.number-placeholder::before {
content: '123';
}
.boolean-placeholder::before {
content: 'T/F';
}
.array-placeholder,
.object-placeholder {
font-family: monospace;
white-space: pre-wrap;
word-break: break-all;
text-align: left;
}
.output-field img {
max-width: 100%;
height: auto;
}
.warning-message {
color: var(--warning-color);
font-weight: normal;
}
#workflowList {
max-height: 200px;
overflow-y: auto;
border: 1px solid var(--border-color);
border-radius: 4px;
margin-top: 10px;
}
.workflow-item {
padding: 10px;
cursor: pointer;
transition: background-color 0.3s ease;
}
.workflow-item:hover {
background-color: var(--secondary-color);
}
.workflow-item.selected {
background-color: var(--primary-color);
color: var(--bg-color);
}
</style>
</head>
<body>
<h1>Workflow Runner Demo</h1>
<div class="container">
<div class="left-container">
<div class="inputs-container">
<form id="tokenForm">
<label for="apiEndpoint">API Endpoint:</label>
<select id="apiEndpoint">
<option value="https://api.nodetool.ai">api.nodetool.ai</option>
<option value="http://localhost:8000">localhost:8000</option>
</select>
<label for="token">Auth Token:</label>
<input type="text" id="token" required>
<button type="submit" id="loadWorkflowsBtn">Load Workflows</button>
</form>
<form id="workflowForm" style="display: none;">
<div id="workflowSelectContainer">
<label for="workflowSearch">Search Workflows:</label>
<input type="text" id="workflowSearch" placeholder="Type to search...">
<div id="workflowList"></div>
</div>
<div id="dynamicInputs"></div>
<button type="submit" id="runWorkflowBtn">Run Workflow</button>
</form>
<div id="progressContainer" style="display: none;">
<h3>Progress:</h3>
<div class="progress-bar">
<span class="progress-bar-fill" style="width: 0%;"></span>
</div>
<p id="progressText">0%</p>
</div>
</div>
<div class="logs-container">
<div id="output">
<h3>Output:</h3>
<pre id="outputContent"></pre>
</div>
<div id="wsMessages">
<h3>WebSocket Messages:</h3>
<pre id="wsContent"></pre>
</div>
</div>
</div>
<div class="results-container">
<!-- <h3>Results</h3> -->
<div id="results"></div>
</div>
</div>
<script src="https://unpkg.com/msgpack-lite@0.1.26/dist/msgpack.min.js"></script>
<script>
class WorkflowRunner {
constructor() {
this.apiUrl = '';
this.workerUrl = '';
this.socket = null;
this.state = 'idle';
this.token = '';
}
setEndpoint(endpoint) {
this.apiUrl = `${endpoint}/api`;
this.workerUrl = endpoint.replace('http', 'ws') + '/predict';
}
async connect() {
return new Promise((resolve, reject) => {
this.socket = new WebSocket(this.workerUrl);
this.socket.onopen = () => {
console.log('WebSocket connected');
this.state = 'connected';
resolve();
};
this.socket.onerror = (error) => {
console.error('WebSocket error:', error);
this.state = 'error';
reject(error);
};
this.socket.onmessage = (event) => {
const arrayBuffer = event.data;
const data = msgpack.decode(new Uint8Array(arrayBuffer));
updateWsMessages(JSON.stringify(data, null, 2));
};
});
}
async loadWorkflows() {
const response = await fetch(`${this.apiUrl}/workflows/`, {
headers: {
'Authorization': `Bearer ${this.token}`
}
});
if (!response.ok) {
throw new Error(`Failed to load workflows: ${response.status} ${response.statusText}`);
}
return await response.json();
}
async getWorkflowDetails(workflowId) {
const response = await fetch(`${this.apiUrl}/workflows/${workflowId}`, {
headers: {
'Authorization': `Bearer ${this.token}`
}
});
if (!response.ok) {
throw new Error('Failed to load workflow details');
}
return await response.json();
}
async run(workflowId, params = {}) {
if (!this.socket || this.state !== 'connected') {
await this.connect();
}
this.state = 'running';
const request = {
type: 'run_job_request',
api_url: this.apiUrl,
workflow_id: workflowId,
job_type: 'workflow',
auth_token: this.token,
params: params
};
console.log('Sending request:', request);
this.socket.send(msgpack.encode({
command: 'run_job',
data: request,
}));
return new Promise((resolve, reject) => {
this.socket.onmessage = async (event) => {
const arrayBuffer = await event.data.arrayBuffer();
const data = msgpack.decode(new Uint8Array(arrayBuffer))
console.log('Received message:', data);
updateWsMessages(JSON.stringify(data, null, 2));
if (data.type === 'job_update' && data.status === 'completed') {
this.state = 'idle';
resolve(data.result);
} else if (data.type === 'job_update' && data.status === 'failed') {
this.state = 'idle';
reject(new Error(data.error));
} else if (data.type === 'error') {
this.state = 'idle';
reject(new Error(data.error));
} else {
// Handle progress updates
this.handleProgress(data);
}
};
});
}
handleProgress(data) {
if (data.type === 'node_progress') {
const progress = (data.progress / data.total) * 100;
updateProgress(progress);
} else if (data.type === 'node_update') {
updateOutput(`Node ${data.node_id} ${data.status}`);
}
}
}
const workflowRunner = new WorkflowRunner();
const apiEndpointSelect = document.getElementById('apiEndpoint');
const loadWorkflowsBtn = document.getElementById('loadWorkflowsBtn');
const runWorkflowBtn = document.getElementById('runWorkflowBtn');
let workflows = [];
let inputs = [];
apiEndpointSelect.addEventListener('change', (e) => {
const selectedEndpoint = e.target.value;
workflowRunner.setEndpoint(selectedEndpoint);
});
// Set initial endpoint
workflowRunner.setEndpoint(apiEndpointSelect.value);
document.getElementById('tokenForm').addEventListener('submit', async (e) => {
e.preventDefault();
const token = document.getElementById('token').value;
workflowRunner.token = token;
loadWorkflowsBtn.disabled = true;
try {
updateOutput('Loading workflows...');
const response = await workflowRunner.loadWorkflows();
console.log('Workflows response:', response);
if (response && response.workflows) {
workflows = response.workflows.sort((a, b) => a.name.localeCompare(b.name));
createWorkflowSelectionWidget(workflows);
document.getElementById('workflowForm').style.display = 'block';
updateOutput('Workflows loaded successfully.');
} else {
throw new Error('Invalid response format');
}
} catch (error) {
console.error('Error loading workflows:', error);
updateOutput(`Error loading workflows: ${error.message}`);
} finally {
loadWorkflowsBtn.disabled = false;
}
});
function createWorkflowSelectionWidget(workflows) {
const container = document.getElementById('workflowSelectContainer');
const list = document.getElementById('workflowList');
list.innerHTML = '';
if (workflows.length === 0) {
const noWorkflowsMessage = document.createElement('div');
noWorkflowsMessage.textContent = 'No workflows available.';
list.appendChild(noWorkflowsMessage);
return;
}
workflows.forEach(workflow => {
const item = document.createElement('div');
item.className = 'workflow-item';
item.textContent = workflow.name;
item.dataset.id = workflow.id;
item.addEventListener('click', async () => {
// Remove 'selected' class from all items
list.querySelectorAll('.workflow-item').forEach(el => el.classList.remove('selected'));
// Add 'selected' class to clicked item
item.classList.add('selected');
// Trigger workflow selection
await selectWorkflow(workflow.id);
});
list.appendChild(item);
});
}
async function selectWorkflow(workflowId) {
try {
// Clear the output content
document.getElementById('outputContent').textContent = '';
document.getElementById('wsContent').textContent = '';
console.log('Fetching workflow details for ID:', workflowId);
const workflowDetails = await workflowRunner.getWorkflowDetails(workflowId);
console.log('Workflow details:', JSON.stringify(workflowDetails, null, 2));
const warningMessage = checkWorkflowIO(workflowDetails);
displayWarning(warningMessage);
generateInputFields(workflowDetails.input_schema);
generateOutputFields(workflowDetails.output_schema);
} catch (error) {
console.error('Error loading workflow details:', error);
updateOutput('Error loading workflow details: ' + error.message);
}
}
document.getElementById('workflowSearch').addEventListener('input', (e) => {
const searchTerm = e.target.value.toLowerCase();
const filteredWorkflows = workflows.filter(workflow =>
workflow.name.toLowerCase().includes(searchTerm)
);
createWorkflowSelectionWidget(filteredWorkflows);
});
document.getElementById('workflowForm').addEventListener('submit', async (e) => {
e.preventDefault();
const workflowId = document.querySelector('.workflow-item.selected').dataset.id;
const workflow = workflows.find(w => w.id === workflowId);
const params = getInputValues(workflow.input_schema);
runWorkflowBtn.disabled = true;
try {
updateOutput('Running workflow...');
showProgressBar();
const result = await workflowRunner.run(workflowId, params);
updateOutput('Workflow completed');
const resultsContainer = document.getElementById('results');
const outputFields = resultsContainer.querySelectorAll('.output-field');
outputFields.forEach((field) => {
const label = field.querySelector('h4').textContent;
const placeholder = field.querySelector('[class$="-placeholder"]');
const outputValue = result[label];
if (outputValue.type === "image") {
const img = document.createElement('img');
const data = new Uint8Array(outputValue.data);
const blob = new Blob([data], { type: 'image/png' });
img.src = URL.createObjectURL(blob);
placeholder.replaceWith(img);
} else if (typeof outputValue === 'object') {
placeholder.textContent = JSON.stringify(outputValue, null, 2);
} else {
placeholder.textContent = String(outputValue);
}
});
} catch (error) {
updateOutput('Error: ' + error.message);
} finally {
hideProgressBar();
runWorkflowBtn.disabled = false;
}
});
function generateInputFields(schema) {
const dynamicInputs = document.getElementById('dynamicInputs');
dynamicInputs.innerHTML = '';
if (!schema || !schema.properties || Object.keys(schema.properties).length === 0) {
return;
}
for (const [key, value] of Object.entries(schema.properties)) {
const label = document.createElement('label');
label.textContent = `${value.title || key}:`;
label.setAttribute('for', key);
let input;
if (value.type === 'string') {
input = document.createElement('input');
input.type = 'text';
} else if (value.type === 'integer' || value.type === 'number') {
input = document.createElement('input');
input.type = 'number';
if (value.type === 'integer') {
input.step = '1';
}
} else if (value.type === 'boolean') {
input = document.createElement('input');
input.type = 'checkbox';
} else {
input = document.createElement('textarea');
}
input.id = key;
input.name = key;
if (schema.required && schema.required.includes(key)) {
input.required = true;
}
dynamicInputs.appendChild(label);
dynamicInputs.appendChild(input);
}
}
function generateOutputFields(outputSchema) {
const resultsContainer = document.getElementById('results');
if (!outputSchema || !outputSchema.properties || Object.keys(outputSchema.properties).length === 0) {
resultsContainer.innerHTML = '<p>No output fields for this workflow.</p>';
return;
}
for (const [key, value] of Object.entries(outputSchema.properties)) {
const outputDiv = document.createElement('div');
outputDiv.className = 'output-field';
const label = document.createElement('h4');
label.textContent = key;
outputDiv.appendChild(label);
let placeholder;
if (value.type === 'object' && value.properties.type?.const === 'image') {
placeholder = document.createElement('div');
placeholder.className = 'image-placeholder';
} else if (value.type === 'string') {
placeholder = document.createElement('pre');
placeholder.className = 'string-placeholder';
placeholder.textContent = 'String output will appear here';
} else if (value.type === 'number' || value.type === 'integer') {
placeholder = document.createElement('pre');
placeholder.className = 'number-placeholder';
placeholder.textContent = 'Numeric output will appear here';
} else if (value.type === 'boolean') {
placeholder = document.createElement('pre');
placeholder.className = 'boolean-placeholder';
placeholder.textContent = 'Boolean output will appear here';
} else if (value.type === 'array') {
placeholder = document.createElement('pre');
placeholder.className = 'array-placeholder';
placeholder.textContent = 'Array output will appear here';
} else if (value.type === 'object') {
placeholder = document.createElement('pre');
placeholder.className = 'object-placeholder';
placeholder.textContent = 'Object output will appear here';
} else {
placeholder = document.createElement('pre');
placeholder.className = 'unknown-placeholder';
placeholder.textContent = 'Output will appear here';
}
outputDiv.appendChild(placeholder);
resultsContainer.appendChild(outputDiv);
}
}
function getInputValues(schema) {
const values = {};
for (const [key, value] of Object.entries(schema.properties)) {
const input = document.getElementById(key);
if (input.type === 'checkbox') {
values[key] = input.checked;
} else if (input.type === 'number') {
// Convert number inputs to strings
values[key] = input.value.toString();
} else {
values[key] = input.value;
}
}
return values;
}
function updateOutput(message) {
const outputContent = document.getElementById('outputContent');
outputContent.textContent += message + '\n';
console.log(message); // Add this line for debugging
}
function updateWsMessages(message) {
const wsContent = document.getElementById('wsContent');
wsContent.textContent += message + '\n\n';
wsContent.scrollTop = wsContent.scrollHeight;
}
function showProgressBar() {
document.getElementById('progressContainer').style.display = 'block';
}
function hideProgressBar() {
document.getElementById('progressContainer').style.display = 'none';
}
function updateProgress(percentage) {
const progressBar = document.querySelector('.progress-bar-fill');
const progressText = document.getElementById('progressText');
progressBar.style.width = percentage + '%';
progressText.textContent = Math.round(percentage) + '%';
}
function checkWorkflowIO(workflow) {
console.log('Checking workflow IO:', workflow);
const hasInputs = workflow.input_schema && Object.keys(workflow.input_schema.properties).length > 0;
const hasOutputs = workflow.output_schema && Object.keys(workflow.output_schema.properties).length > 0;
console.log('Has inputs:', hasInputs);
console.log('Has outputs:', hasOutputs);
let warningMessage = '';
if (!hasInputs && !hasOutputs) {
warningMessage = 'Warning: This workflow has no inputs or outputs.';
} else if (!hasInputs) {
warningMessage = 'Warning: This workflow has no inputs.';
} else if (!hasOutputs) {
warningMessage = 'Warning: This workflow has no outputs.';
}
console.log('Warning message:', warningMessage);
return warningMessage;
}
function displayWarning(message) {
let warningElement = document.getElementById('workflowWarning');
if (!warningElement) {
warningElement = document.createElement('div');
warningElement.id = 'workflowWarning';
warningElement.className = 'warning-message';
document.getElementById('workflowForm').insertBefore(warningElement, document.getElementById('dynamicInputs'));
}
warningElement.textContent = message;
warningElement.style.display = message ? 'block' : 'none';
}
</script>
</body>
</html>