37338-vm/process_definitions.php
2026-01-10 10:17:15 +00:00

216 lines
9.3 KiB
PHP

<?php
require_once 'WorkflowEngine.php';
$workflowEngine = new WorkflowEngine();
// TODO: Create a method in WorkflowEngine to get all process definitions
$pdo = db();
$stmt = $pdo->query("SELECT * FROM process_definitions ORDER BY name");
$processes = $stmt->fetchAll(PDO::FETCH_ASSOC);
?>
<?php include '_header.php'; ?>
<?php include '_navbar.php'; ?>
<div class="container-fluid">
<div class="row">
<?php include '_sidebar.php'; ?>
<main class="col-md-9 ms-sm-auto col-lg-10 px-md-4">
<div class="d-flex justify-content-between align-items-center pt-3 pb-2 mb-3 border-bottom">
<h1 class="h2">Process Definitions</h1>
<div class="btn-toolbar mb-2 mb-md-0">
<button type="button" class="btn btn-success" data-bs-toggle="modal" data-bs-target="#createProcessModal">
Create Process
</button>
</div>
</div>
<div class="table-responsive">
<table class="table table-bordered table-sm">
<thead>
<tr class="text-center">
<th class="bg-light">Name</th>
<th class="bg-light">Actions</th>
</tr>
</thead>
<tbody>
<?php foreach ($processes as $process): ?>
<tr>
<td><?= htmlspecialchars($process['name']) ?></td>
<td class="text-center">
<button class="btn btn-sm btn-secondary edit-process-btn"
data-bs-toggle="modal" data-bs-target="#createProcessModal"
data-process-id="<?= $process['id'] ?>"
data-process-name="<?= htmlspecialchars($process['name']) ?>"
data-process-definition='<?= htmlspecialchars($process['definition_json'] ?? '') ?>'>
Edit
</button>
<!-- TODO: Add delete functionality -->
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
</div>
</main>
</div>
</div>
<!-- Create/Edit Process Modal -->
<div class="modal fade" id="createProcessModal" tabindex="-1" aria-labelledby="createProcessModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="createProcessModalLabel">Create Process</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<form id="createProcessForm" action="_save_process_definition.php" method="post">
<input type="hidden" name="process_id" id="processId">
<div class="mb-3">
<label for="processName" class="form-label">Process Name</label>
<input type="text" class="form-control" id="processName" name="name" required>
</div>
<hr>
<h5>Statuses</h5>
<div class="row">
<div class="col-md-6">
<div class="mb-3">
<label for="initialStatus" class="form-label">Initial Status</label>
<select class="form-select" id="initialStatus"></select>
</div>
</div>
</div>
<div id="statuses-list" class="mb-3"></div>
<div class="input-group mb-3">
<input type="text" id="newStatusInput" class="form-control" placeholder="New status name">
<button class="btn btn-outline-secondary" type="button" id="addStatusBtn">Add Status</button>
</div>
<hr>
<h5>Transitions</h5>
<div id="transitions-list" class="mb-3"></div>
<div class="row">
<div class="col-5">
<select id="fromStatusSelect" class="form-select"></select>
</div>
<div class="col-2 text-center">=&gt;</div>
<div class="col-5">
<select id="toStatusSelect" class="form-select"></select>
</div>
</div>
<div class="d-grid gap-2 mt-3">
<button class="btn btn-outline-secondary" type="button" id="addTransitionBtn">Add Transition</button>
</div>
<textarea name="definition_json" id="definitionJson" class="d-none"></textarea>
<hr class="mt-4">
<button type="submit" class="btn btn-primary">Save Process</button>
</form>
</div>
</div>
</div>
</div>
<?php include '_footer.php'; ?>
<script>
document.addEventListener('DOMContentLoaded', function () {
const createProcessModal = document.getElementById('createProcessModal');
const modalTitle = createProcessModal.querySelector('.modal-title');
const form = createProcessModal.querySelector('#createProcessForm');
const processIdInput = createProcessModal.querySelector('#processId');
const processNameInput = createProcessModal.querySelector('#processName');
const definitionJsonTextarea = createProcessModal.querySelector('#definitionJson');
function renderProcessDefinition(definition) {
const statusesList = document.getElementById('statuses-list');
const transitionsList = document.getElementById('transitions-list');
const initialStatusSelect = document.getElementById('initialStatus');
const fromStatusSelect = document.getElementById('fromStatusSelect');
const toStatusSelect = document.getElementById('toStatusSelect');
statusesList.innerHTML = '';
transitionsList.innerHTML = '';
initialStatusSelect.innerHTML = '';
fromStatusSelect.innerHTML = '';
toStatusSelect.innerHTML = '';
if (!definition) {
return;
}
try {
const def = JSON.parse(definition);
// Populate statuses
if (def.nodes) {
for (const nodeId in def.nodes) {
const node = def.nodes[nodeId];
const statusItem = document.createElement('div');
statusItem.textContent = node.name;
statusesList.appendChild(statusItem);
const option = document.createElement('option');
option.value = node.id;
option.textContent = node.name;
initialStatusSelect.appendChild(option.cloneNode(true));
fromStatusSelect.appendChild(option.cloneNode(true));
toStatusSelect.appendChild(option.cloneNode(true));
}
}
// Set initial status
if (def.start_node_id) {
initialStatusSelect.value = def.start_node_id;
}
// Populate transitions
if (def.transitions) {
def.transitions.forEach(transition => {
const transitionItem = document.createElement('div');
const fromNode = def.nodes[transition.from] ? def.nodes[transition.from].name : 'N/A';
const toNode = def.nodes[transition.to] ? def.nodes[transition.to].name : 'N/A';
transitionItem.textContent = `${transition.name}: ${fromNode} => ${toNode}`;
transitionsList.appendChild(transitionItem);
});
}
} catch (e) {
console.error('Error parsing process definition:', e);
// Optionally, display an error message to the user
}
}
createProcessModal.addEventListener('show.bs.modal', function (event) {
const button = event.relatedTarget;
const isEdit = button.classList.contains('edit-process-btn');
if (isEdit) {
const processId = button.dataset.processId;
const processName = button.dataset.processName;
const processDefinition = button.dataset.processDefinition;
modalTitle.textContent = 'Edit Process';
form.action = '_save_process_definition.php';
processIdInput.value = processId;
processNameInput.value = processName;
definitionJsonTextarea.value = processDefinition;
renderProcessDefinition(processDefinition);
} else {
modalTitle.textContent = 'Create Process';
form.action = '_save_process_definition.php';
processIdInput.value = '';
processNameInput.value = '';
definitionJsonTextarea.value = '';
renderProcessDefinition(''); // Clear the form
}
});
});
</script>