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GNU AFFERO GENERAL PUBLIC LICENSE
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# Copyright © 2023 Lee Yingtong Li (RunasSudo)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import json
import sqlite3
con = sqlite3.connect('database.db')
cur = con.cursor()
results = []
cur.execute('SELECT item_code, mp_pt, tpuu_or_mpp_pt, restriction_flag, mq, repeats, streamlined_authorities FROM pbs')
for item_code, mp_pt, tpuu_or_mpp_pt, restriction_flag, mq, repeats, streamlined_authorities in cur.fetchall():
results.append(dict(item_code=item_code, mp_pt=mp_pt, tpuu_or_mpp_pt=tpuu_or_mpp_pt, restriction_flag=restriction_flag, mq=mq, repeats=repeats, streamlined_authorities=streamlined_authorities))
with open('html/pbs.json', 'w') as f:
json.dump(results, f)

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// Adapted from https://github.com/gch1p/bootstrap-5-autocomplete (Evgeny Zinoviev, MIT licence)
// In turn adapted from https://github.com/Honatas/bootstrap-4-autocomplete (Jonatas de Moraes Jr, MIT licence)
const DEFAULTS = {
threshold: 2,
maximumItems: 5,
highlightTyped: true,
highlightClass: 'text-primary',
label: 'label',
value: 'value',
showValue: false,
showValueBeforeLabel: false,
};
class Autocomplete {
constructor(field, options) {
this.field = field;
this.options = Object.assign({}, DEFAULTS, options);
this.dropdown = null;
field.parentNode.classList.add('dropdown');
field.setAttribute('data-bs-toggle', 'dropdown');
field.classList.add('dropdown-toggle');
const dropdown = ce(`<div class="dropdown-menu"></div>`);
if (this.options.dropdownClass)
dropdown.classList.add(this.options.dropdownClass);
insertAfter(dropdown, field);
this.dropdown = new bootstrap.Dropdown(field, this.options.dropdownOptions);
field.addEventListener('click', (e) => {
if (this.createItems() === 0) {
e.stopPropagation();
this.dropdown.hide();
}
});
field.addEventListener('input', () => {
if (this.options.onInput)
this.options.onInput(this.field.value);
this.renderIfNeeded();
});
field.addEventListener('keydown', (e) => {
if (e.keyCode === 27) {
this.dropdown.hide();
return;
}
if (e.keyCode === 40) {
this.dropdown._menu.children[0]?.focus();
return;
}
});
}
setData(data) {
this.options.data = data;
this.renderIfNeeded();
}
renderIfNeeded() {
if (this.createItems() > 0)
this.dropdown.show();
else
this.field.click();
}
createItem(lookup, item) {
let label;
if (this.options.highlightTyped) {
const idx = removeDiacritics(item.label)
.toLowerCase()
.indexOf(removeDiacritics(lookup).toLowerCase());
const className = Array.isArray(this.options.highlightClass) ? this.options.highlightClass.join(' ')
: (typeof this.options.highlightClass == 'string' ? this.options.highlightClass : '');
label = item.label.substring(0, idx)
+ `<span class="${className}">${item.label.substring(idx, idx + lookup.length)}</span>`
+ item.label.substring(idx + lookup.length, item.label.length);
} else {
label = item.label;
}
if (this.options.showValue) {
if (this.options.showValueBeforeLabel) {
label = `${item.value} ${label}`;
} else {
label += ` ${item.value}`;
}
}
return ce(`<button type="button" class="dropdown-item" data-label="${item.label}" data-value="${item.value}">${label}</button>`);
}
createItems() {
const lookup = this.field.value;
if (lookup.length < this.options.threshold) {
this.dropdown.hide();
return 0;
}
const items = this.field.nextSibling;
items.innerHTML = '';
const keys = Object.keys(this.options.data);
/*let count = 0;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const entry = this.options.data[key];
const item = {
label: this.options.label ? entry[this.options.label] : key,
value: this.options.value ? entry[this.options.value] : entry
};
if (removeDiacritics(item.label).toLowerCase().indexOf(removeDiacritics(lookup).toLowerCase()) >= 0) {
items.appendChild(this.createItem(lookup, item));
if (this.options.maximumItems > 0 && ++count >= this.options.maximumItems)
break;
}
}*/
// First add items beginning with search query
let count = 0;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const entry = this.options.data[key];
const item = {
label: this.options.label ? entry[this.options.label] : key,
value: this.options.value ? entry[this.options.value] : entry
};
if (removeDiacritics(item.label).toLowerCase().indexOf(removeDiacritics(lookup).toLowerCase()) == 0) {
items.appendChild(this.createItem(lookup, item));
if (this.options.maximumItems > 0 && ++count >= this.options.maximumItems)
break;
}
}
// Then add items containing search query
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const entry = this.options.data[key];
const item = {
label: this.options.label ? entry[this.options.label] : key,
value: this.options.value ? entry[this.options.value] : entry
};
if (removeDiacritics(item.label).toLowerCase().indexOf(removeDiacritics(lookup).toLowerCase()) > 0) {
items.appendChild(this.createItem(lookup, item));
if (this.options.maximumItems > 0 && ++count >= this.options.maximumItems)
break;
}
}
this.field.nextSibling.querySelectorAll('.dropdown-item').forEach((item) => {
item.addEventListener('click', (e) => {
let dataLabel = e.currentTarget.getAttribute('data-label');
let dataValue = e.currentTarget.getAttribute('data-value');
this.field.value = dataLabel;
if (this.options.onSelectItem) {
this.options.onSelectItem({
value: dataValue,
label: dataLabel
});
}
this.dropdown.hide();
})
});
return items.childNodes.length;
}
}
/**
* @param html
* @returns {Node}
*/
function ce(html) {
let div = document.createElement('div');
div.innerHTML = html;
return div.firstChild;
}
/**
* @param elem
* @param refElem
* @returns {*}
*/
function insertAfter(elem, refElem) {
return refElem.parentNode.insertBefore(elem, refElem.nextSibling);
}
/**
* @param {String} str
* @returns {String}
*/
function removeDiacritics(str) {
return str
.normalize('NFD')
.replace(/[\u0300-\u036f]/g, '');
}

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<!--
Copyright © 2023 Lee Yingtong Li (RunasSudo)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-->
<!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">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.2/font/bootstrap-icons.css" integrity="sha256-4RctOgogjPAdwGbwq+rxfwAmSpZhWaafcZR9btzUk18=" crossorigin="anonymous">
</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>
<!--<script src="https://cdn.jsdelivr.net/npm/jquery@3.6.3/dist/jquery.min.js" integrity="sha256-pvPw+upLPUjgMXY0G+8O0xUf+/Im1MZjXxxgOcBQBXU=" crossorigin="anonymous"></script>-->
<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>
var pbsData = null;
const xhr = new XMLHttpRequest();
xhr.addEventListener('load', function() {
pbsData = JSON.parse(xhr.responseText);
// Initialise search bar
const labels = [];
for (let row of pbsData) {
if (labels.indexOf(row['mp_pt']) < 0) {
labels.push(row['mp_pt']);
}
}
labels.sort();
const data = [];
for (let label of labels) {
data.push({'label': label});
}
const autocomplete = new Autocomplete(document.getElementById('search-input'), {
data: data,
maximumItems: 20,
threshold: 2,
onSelectItem: onClickSearchItem
});
});
xhr.open('GET', 'pbs.json');
xhr.send();
function onClickSearchItem(item) {
// Find matching PBS items
const items = [];
for (let row of pbsData) {
if (row['mp_pt'] === item['label']) {
items.push(row);
}
}
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']) {
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;
}
</script>
</body>
</html>

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# Copyright © 2023 Lee Yingtong Li (RunasSudo)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import pandas as pd
import sqlite3
import zipfile
con = sqlite3.connect('database.db')
cur = con.cursor()
# Init schema
cur.execute('DROP TABLE pbs')
cur.execute('CREATE TABLE pbs (id INTEGER PRIMARY KEY AUTOINCREMENT, item_code CHARACTER(6), mp_pt TEXT, tpuu_or_mpp_pt TEXT, restriction_flag CHARACTER(1), mq INTEGER, repeats INTEGER, streamlined_authorities TEXT)')
# Read drug list, prescriber type
with zipfile.ZipFile('2023-01-01-v3extracts.zip', 'r') as zipf:
with zipf.open('drug_20230101.txt', 'r') as f:
df_drug = pd.read_csv(f, sep='!')
with zipf.open('Prescriber_type_20230101.txt', 'r') as f:
df_prescriber_type = pd.read_csv(f, sep='\t', header=0, names=['mp-pt', 'item-code', 'prescriber-type'])
df_drug = df_drug.merge(df_prescriber_type[['item-code', 'prescriber-type']], how='left', on='item-code')
# Filter only drugs able to be prescribed by medical practitioners
df_drug = df_drug[df_drug['prescriber-type'] == 'M']
for _, drug in df_drug[['item-code', 'mp-pt', 'tpuu-or-mpp-pt', 'restriction-flag', 'mq', 'repeats']].iterrows():
# Skip already added
cur.execute('SELECT COUNT(*) FROM pbs WHERE item_code=?', (drug['item-code'],))
if cur.fetchone()[0] > 0:
continue
# Add to SQL
cur.execute('INSERT INTO pbs (item_code, mp_pt, tpuu_or_mpp_pt, restriction_flag, mq, repeats) VALUES (?, ?, ?, ?, ?, ?)', (drug['item-code'], drug['mp-pt'], drug['tpuu-or-mpp-pt'], drug['restriction-flag'], drug['mq'], drug['repeats']))
# Read streamlined authorities
with zipfile.ZipFile('2023-01-01-v3extracts.zip', 'r') as zipf:
with zipf.open('streamlined_20230101.txt', 'r') as f:
df_streamlined = pd.read_csv(f, sep='\t')
df_streamlined = df_drug.merge(df_streamlined[['item-code', 'treatment-of-code']], how='inner', on='item-code')
for k, v in df_streamlined.groupby('item-code'):
cur.execute('UPDATE pbs SET streamlined_authorities=? WHERE item_code=?', (','.join(v['treatment-of-code'].astype(str)), k))
con.commit()