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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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You should have received a copy of the GNU Affero General Public License
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>PBS medicine search</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css" integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous">
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</head>
<body>
<nav class="navbar navbar-expand-sm navbar-light bg-light d-print-none">
<div class="container">
<a class="navbar-brand" href=" ">PBS medicine search</a>
</div>
</nav>
<div class="container pt-4">
<div>
<input class="form-control" id="search-input" placeholder="Search…" autocomplete="off">
</div>
<div>
<table id="search-results" class="table mt-2">
<thead>
<tr>
<th class="col-1">Item code</th>
<th class="col-8">Drug</th>
<th class="col-1">Quantity</th>
<th class="col-1">Repeats</th>
<th class="col-1">Restriction</th>
</tr>
</thead>
<tbody>
<td colspan="5" class="text-center">Enter a search term above to show results</th>
</tbody>
</table>
</div>
<footer class="border-top pt-4 mt-4">
<p class="text-muted">Results sourced from the PBS database as at January 2023. This tool is made available in the hope that it will be useful, but <b>WITHOUT ANY WARRANTY</b>; without even the implied warranty of <b>MERCHANTABILITY</b> or <b>FITNESS FOR A PARTICULAR PURPOSE</b>. Information provided in this tool is intended for reference by medical professionals. Nothing in this tool is intended to constitute medical advice.</p>
</footer>
</div>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-kenU1KFdBIe4zVF0s0G1M5b4hcpxyD9F7jL+jjXkk+Q2h455rYXK/7HAuoJl+0I4" crossorigin="anonymous"></script>
<script src="autocomplete.js"></script>
<script src="https://cdn.jsdelivr.net/npm/sql.js@1.8.0/dist/sql-wasm.min.js"></script>
<script>
var db; // Keep in global namespace for debugging
async function main() {
// Load SQLite database
const sqlPromise = initSqlJs({
locateFile: file => ('https://cdn.jsdelivr.net/npm/sql.js@1.8.0/dist/' + file)
});
const dataPromise = fetch('database.db').then(res => res.arrayBuffer());
const [SQL, buf] = await Promise.all([sqlPromise, dataPromise])
db = new SQL.Database(new Uint8Array(buf));
// Initialise search bar
const labels = execAsScalars(db.prepare('SELECT DISTINCT mp_pt FROM pbs_drug ORDER BY LOWER(mp_pt)'));
const data = labels.map(label => ({'label': label}));
const autocomplete = new Autocomplete(document.getElementById('search-input'), {
data: data,
maximumItems: 20,
threshold: 2,
onSelectItem: onClickSearchItem
});
}
function onClickSearchItem(item) {
// Find matching PBS items
const stmt = db.prepare('SELECT *, (SELECT COUNT(1) FROM pbs_streamlined WHERE pbs_drug.item_code = pbs_streamlined.item_code) AS streamlined_authorities FROM pbs_drug LEFT JOIN pbs_prescriber_type ON pbs_drug.item_code = pbs_prescriber_type.item_code WHERE LOWER(mp_pt) = ? AND prescriber_type = "M"');
stmt.bind([item.label.toLowerCase()]);
const items = execAsObjects(stmt);
items.sort(comparePBSItems);
// Update table
const tbody = document.querySelector('#search-results tbody');
tbody.innerHTML = '';
for (let item of items) {
const tr = document.createElement('tr');
let td = document.createElement('td'); td.innerHTML = '<a href="https://www.pbs.gov.au/medicine/item/' + item['item_code'] + '" target="_blank">' + item['item_code'] + '</a>'; tr.appendChild(td);
td = document.createElement('td'); td.innerText = item['tpuu_or_mpp_pt']; tr.appendChild(td);
td = document.createElement('td'); td.innerText = item['mq']; tr.appendChild(td);
td = document.createElement('td'); td.innerText = item['repeats']; tr.appendChild(td);
if (item['restriction_flag'] === 'U') {
td = document.createElement('td'); tr.appendChild(td);
} else if (item['restriction_flag'] === 'R') {
td = document.createElement('td'); td.innerHTML = '<a href="https://www.pbs.gov.au/medicine/item/' + item['item_code'] + '" target="_blank">Restricted</a>'; tr.appendChild(td);
tr.classList.add('table-warning');
} else if (item['restriction_flag'] === 'A') {
if (item['streamlined_authorities'] > 0) {
td = document.createElement('td'); td.innerHTML = '<a href="https://www.pbs.gov.au/medicine/item/' + item['item_code'] + '" target="_blank">Streamlined</a>'; tr.appendChild(td);
tr.classList.add('table-warning');
} else {
td = document.createElement('td'); td.innerHTML = '<a href="https://www.pbs.gov.au/medicine/item/' + item['item_code'] + '" target="_blank">Authority</a>'; tr.appendChild(td);
tr.classList.add('table-danger');
}
} else {
td = document.createElement('td'); td.innerText = item['restriction_flag']; tr.appendChild(td);
}
tbody.appendChild(tr);
}
}
const regexIsNumber = /^[0-9]+$/.compile();
function comparePBSItems(item1, item2) {
// Sort tablets/capsules before other forms
if ((item1['tpuu_or_mpp_pt'].indexOf(' tablet, ') >= 0 || item1['tpuu_or_mpp_pt'].indexOf(' capsule, ') >= 0) && !(item2['tpuu_or_mpp_pt'].indexOf(' tablet, ') >= 0 || item2['tpuu_or_mpp_pt'].indexOf(' capsule, ') >= 0)) {
return -1;
}
if ((item2['tpuu_or_mpp_pt'].indexOf(' tablet, ') >= 0 || item2['tpuu_or_mpp_pt'].indexOf(' capsule, ') >= 0) && !(item1['tpuu_or_mpp_pt'].indexOf(' tablet, ') >= 0 || item1['tpuu_or_mpp_pt'].indexOf(' capsule, ') >= 0)) {
return 1;
}
// Compare tpuu_or_mpp_pt word-by-word accounting for numbers
const bits1 = item1['tpuu_or_mpp_pt'].split(' ');
const bits2 = item2['tpuu_or_mpp_pt'].split(' ');
for (let i = 0; i < bits1.length && i < bits2.length; i++) {
if (regexIsNumber.test(bits1[i]) && regexIsNumber.test(bits2[i])) {
// Numeric compare
const num1 = parseInt(bits1[i]);
const num2 = parseInt(bits2[i]);
if (num1 < num2) {
return -1;
}
if (num1 > num2) {
return 1;
}
} else {
// String compare
if (bits1[i] < bits2[i]) {
return -1;
}
if (bits1[i] > bits2[i]) {
return 1;
}
}
}
return 0;
}
function execAsScalars(stmt) {
let results = [];
while (stmt.step()) {
results.push(stmt.get()[0]);
}
stmt.free();
return results;
}
function execAsObjects(stmt) {
let results = [];
while (stmt.step()) {
results.push(stmt.getAsObject());
}
stmt.free();
return results;
}
main();
</script>
</body>
</html>