2 // +----------------------------------------------------------------------+
3 // | Anuko Time Tracker
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) Anuko International Ltd. (https://www.anuko.com)
6 // +----------------------------------------------------------------------+
7 // | LIBERAL FREEWARE LICENSE: This source code document may be used
8 // | by anyone for any purpose, and freely redistributed alone or in
9 // | combination with other software, provided that the license is obeyed.
11 // | There are only two ways to violate the license:
13 // | 1. To redistribute this code in source form, with the copyright
14 // | notice or license removed or altered. (Distributing in compiled
15 // | forms without embedded copyright notices is permitted).
17 // | 2. To redistribute modified versions of this code in *any* form
18 // | that bears insufficient indications that the modifications are
19 // | not the work of the original author(s).
21 // | This license applies to this document only, not any other software
22 // | that it may be combined with.
24 // +----------------------------------------------------------------------+
26 // | https://www.anuko.com/time_tracker/credits.htm
27 // +----------------------------------------------------------------------+
29 import('ttClientHelper');
30 import('DateAndTime');
32 // Class ttInvoiceHelper is used for help with invoices.
33 class ttInvoiceHelper {
35 // insert - inserts an invoice in database.
36 static function insert($fields)
38 $mdb2 = getConnection();
40 $group_id = (int) $fields['group_id'];
41 $name = $fields['name'];
42 if (!$name) return false;
44 $client_id = (int) $fields['client_id'];
45 $date = $fields['date'];
46 if (array_key_exists('status', $fields)) { // Key exists and may be NULL during migration of data.
47 $status_f = ', status';
48 $status_v = ', '.$mdb2->quote($fields['status']);
51 // Insert a new invoice record.
52 $sql = "insert into tt_invoices (group_id, name, date, client_id $status_f)".
53 " values($group_id, ".$mdb2->quote($name).", ".$mdb2->quote($date).", $client_id $status_v)";
54 $affected = $mdb2->exec($sql);
56 if (is_a($affected, 'PEAR_Error')) return false;
59 $sql = "select last_insert_id() as last_insert_id";
60 $res = $mdb2->query($sql);
61 $val = $res->fetchRow();
62 $last_id = $val['last_insert_id'];
67 // getInvoice - obtains invoice data from the database.
68 static function getInvoice($invoice_id) {
70 $mdb2 = getConnection();
72 if ($user->isClient()) $client_part = " and client_id = $user->client_id";
74 $sql = "select * from tt_invoices where id = $invoice_id and group_id = $user->group_id $client_part and status = 1";
75 $res = $mdb2->query($sql);
76 if (!is_a($res, 'PEAR_Error')) {
77 if ($val = $res->fetchRow())
83 // The getInvoiceByName looks up an invoice by name.
84 static function getInvoiceByName($invoice_name) {
86 $mdb2 = getConnection();
89 $sql = "select id from tt_invoices where group_id = $user->group_id and name = ".$mdb2->quote($invoice_name)." and status = 1";
90 $res = $mdb2->query($sql);
91 if (!is_a($res, 'PEAR_Error')) {
92 $val = $res->fetchRow();
100 // The isPaid determines if an invoice is paid by looking at the paid status of its items.
101 // If any non-paid item is found, the entire invoice is considered not paid.
102 // Therefore, the paid status of the invoice is a calculated value.
103 // This is because we maintain the paid status on individual item level.
104 static function isPaid($invoice_id) {
106 $mdb2 = getConnection();
109 $sql = "select count(*) as count from tt_log where invoice_id = $invoice_id and status = 1 and paid < 1";
110 $res = $mdb2->query($sql);
111 if (!is_a($res, 'PEAR_Error')) {
112 $val = $res->fetchRow();
113 if ($val['count'] > 0)
114 return false; // A non-paid time item exists.
116 $sql = "select count(*) as count from tt_expense_items where invoice_id = $invoice_id and status = 1 and paid < 1";
117 $res = $mdb2->query($sql);
118 if (!is_a($res, 'PEAR_Error')) {
119 $val = $res->fetchRow();
120 if ($val['count'] > 0)
121 return false; // A non-paid expense item exists.
123 return true; // All time and expense items in invoice are paid.
128 // markPaid marks invoice items as paid.
129 static function markPaid($invoice_id, $mark_paid = true) {
132 $mdb2 = getConnection();
134 $paid_status = $mark_paid ? 1 : 0;
135 $sql = "update tt_log set paid = $paid_status where invoice_id = $invoice_id and status = 1";
136 $affected = $mdb2->exec($sql);
137 if (is_a($affected, 'PEAR_Error')) return false;
139 $sql = "update tt_expense_items set paid = $paid_status where invoice_id = $invoice_id and status = 1";
140 $affected = $mdb2->exec($sql);
141 if (is_a($affected, 'PEAR_Error')) return false;
146 // The getInvoiceItems retrieves tt_log items associated with the invoice.
147 static function getInvoiceItems($invoice_id) {
149 $mdb2 = getConnection();
151 // At this time only detailed invoice is supported.
152 // It is anticipated to support "totals only" option later on.
154 // Our query is different depending on tracking mode.
155 if (MODE_TIME == $user->tracking_mode) {
156 // In "time only" tracking mode there is a single user rate.
157 $sql = "select l.date as date, 1 as type, u.name as user_name, p.name as project_name,
158 t.name as task_name, l.comment as note,
159 time_format(l.duration, '%k:%i') as duration,
160 cast(l.billable * u.rate * time_to_sec(l.duration)/3600 as decimal(10, 2)) as cost,
161 l.paid as paid from tt_log l
162 inner join tt_users u on (l.user_id = u.id)
163 left join tt_projects p on (p.id = l.project_id)
164 left join tt_tasks t on (t.id = l.task_id)
165 where l.status = 1 and l.billable = 1 and l.invoice_id = $invoice_id order by l.date, u.name";
167 $sql = "select l.date as date, 1 as type, u.name as user_name, p.name as project_name,
168 t.name as task_name, l.comment as note,
169 time_format(l.duration, '%k:%i') as duration,
170 cast(l.billable * coalesce(upb.rate, 0) * time_to_sec(l.duration)/3600 as decimal(10, 2)) as cost,
171 l.paid as paid from tt_log l
172 inner join tt_users u on (l.user_id = u.id)
173 left join tt_projects p on (p.id = l.project_id)
174 left join tt_tasks t on (t.id = l.task_id)
175 left join tt_user_project_binds upb on (upb.user_id = l.user_id and upb.project_id = l.project_id)
176 where l.status = 1 and l.billable = 1 and l.invoice_id = $invoice_id order by l.date, u.name";
179 // If we have expenses, we need to do a union with a separate query for expense items from tt_expense_items table.
180 if ($user->isPluginEnabled('ex')) {
181 $sql_for_expense_items = "select ei.date as date, 2 as type, u.name as user_name, p.name as project_name,
182 null as task_name, ei.name as note,
183 null as duration, ei.cost as cost,
184 ei.paid as paid from tt_expense_items ei
185 inner join tt_users u on (ei.user_id = u.id)
186 left join tt_projects p on (p.id = ei.project_id)
187 where ei.invoice_id = $invoice_id and ei.status = 1";
189 // Construct a union.
190 $sql = "($sql) union all ($sql_for_expense_items)";
192 $sort_part = " order by date, user_name, type";
196 $res = $mdb2->query($sql);
197 if (!is_a($res, 'PEAR_Error')) {
198 $dt = new DateAndTime(DB_DATEFORMAT);
199 while ($val = $res->fetchRow()) {
200 $dt->parseVal($val['date']);
201 $val['date'] = $dt->toString($user->date_format);
208 // delete - deletes the invoice data from the database.
209 static function delete($invoice_id, $delete_invoice_items) {
211 $mdb2 = getConnection();
213 // Handle custom field log records.
214 if ($delete_invoice_items) {
215 $sql = "update tt_custom_field_log set status = NULL where log_id in (select id from tt_log where invoice_id = $invoice_id and status = 1)";
216 $affected = $mdb2->exec($sql);
217 if (is_a($affected, 'PEAR_Error')) return false;
220 // Handle time records.
221 if ($delete_invoice_items)
222 $sql = "update tt_log set status = NULL where invoice_id = $invoice_id";
224 $sql = "update tt_log set invoice_id = NULL where invoice_id = $invoice_id";
225 $affected = $mdb2->exec($sql);
226 if (is_a($affected, 'PEAR_Error')) return false;
228 // Handle expense items.
229 if ($delete_invoice_items)
230 $sql = "update tt_expense_items set status = NULL where invoice_id = $invoice_id";
232 $sql = "update tt_expense_items set invoice_id = NULL where invoice_id = $invoice_id";
233 $affected = $mdb2->exec($sql);
234 if (is_a($affected, 'PEAR_Error')) return false;
236 $sql = "update tt_invoices set status = NULL where id = $invoice_id and group_id = $user->group_id";
237 $affected = $mdb2->exec($sql);
238 return (!is_a($affected, 'PEAR_Error'));
241 // The invoiceableItemsExist determines whether invoiceable records exist in the specified period.
242 static function invoiceableItemsExist($fields) {
244 $mdb2 = getConnection();
247 $client_id = (int) $fields['client_id'];
249 $start_date = new DateAndTime($user->date_format, $fields['start_date']);
250 $start = $start_date->toString(DB_DATEFORMAT);
252 $end_date = new DateAndTime($user->date_format, $fields['end_date']);
253 $end = $end_date->toString(DB_DATEFORMAT);
255 if (isset($fields['project_id'])) $project_id = (int) $fields['project_id'];
257 // Our query is different depending on tracking mode.
258 if (MODE_TIME == $user->tracking_mode) {
259 // In "time only" tracking mode there is a single user rate.
260 $sql = "select count(*) as num from tt_log l, tt_users u
261 where l.status = 1 and l.client_id = $client_id and l.invoice_id is NULL
262 and l.date >= ".$mdb2->quote($start)." and l.date <= ".$mdb2->quote($end)."
264 and l.billable = 1"; // l.billable * u.rate * time_to_sec(l.duration)/3600 > 0 // See explanation below.
266 // sql part for project id.
267 if ($project_id) $project_part = " and l.project_id = $project_id";
269 // When we have projects, rates are defined for each project in tt_user_project_binds table.
270 $sql = "select count(*) as num from tt_log l, tt_user_project_binds upb
271 where l.status = 1 and l.client_id = $client_id $project_part and l.invoice_id is NULL
272 and l.date >= ".$mdb2->quote($start)." and l.date <= ".$mdb2->quote($end)."
273 and upb.user_id = l.user_id and upb.project_id = l.project_id
274 and l.billable = 1"; // l.billable * upb.rate * time_to_sec(l.duration)/3600 > 0
275 // Users with a lot of clients and projects (Jaro) may forget to set user rates properly.
276 // Specifically, user rate may be set to 0 on a project, by mistake. This leads to error.no_invoiceable_items
277 // and increased support cost. Commenting out allows us to include 0 cost items in invoices so that
278 // the problem becomes obvious.
280 // TODO: If the above turns out useful, rework the query to simplify it by removing left join.
282 $res = $mdb2->query($sql);
283 if (!is_a($res, 'PEAR_Error')) {
284 $val = $res->fetchRow();
290 // sql part for project id.
291 if ($project_id) $project_part = " and ei.project_id = $project_id";
293 $sql = "select count(*) as num from tt_expense_items ei
294 where ei.client_id = $client_id $project_part and ei.invoice_id is NULL
295 and ei.date >= ".$mdb2->quote($start)." and ei.date <= ".$mdb2->quote($end)."
296 and ei.cost <> 0 and ei.status = 1";
297 $res = $mdb2->query($sql);
298 if (!is_a($res, 'PEAR_Error')) {
299 $val = $res->fetchRow();
308 // createInvoice - marks items for invoice as belonging to it (with its reference number).
309 static function createInvoice($fields) {
311 $mdb2 = getConnection();
314 $name = $fields['name'];
315 if (!$name) return false;
317 $client_id = (int) $fields['client_id'];
319 $invoice_date = new DateAndTime($user->date_format, $fields['date']);
320 $date = $invoice_date->toString(DB_DATEFORMAT);
322 $start_date = new DateAndTime($user->date_format, $fields['start_date']);
323 $start = $start_date->toString(DB_DATEFORMAT);
325 $end_date = new DateAndTime($user->date_format, $fields['end_date']);
326 $end = $end_date->toString(DB_DATEFORMAT);
328 if (isset($fields['project_id'])) $project_id = (int) $fields['project_id'];
330 // Create a new invoice record.
331 $sql = "insert into tt_invoices (group_id, name, date, client_id)
332 values($user->group_id, ".$mdb2->quote($name).", ".$mdb2->quote($date).", $client_id)";
333 $affected = $mdb2->exec($sql);
334 if (is_a($affected, 'PEAR_Error')) return false;
336 // Mark associated invoice items with invoice id.
338 $sql = "select last_insert_id() as last_insert_id";
339 $res = $mdb2->query($sql);
340 $val = $res->fetchRow();
341 $last_id = $val['last_insert_id'];
343 // Our update sql is different depending on tracking mode.
344 if (MODE_TIME == $user->tracking_mode) {
345 // In "time only" tracking mode there is a single user rate.
346 $sql = "update tt_log l
347 left join tt_users u on (u.id = l.user_id)
348 set l.invoice_id = $last_id
349 where l.status = 1 and l.client_id = $client_id and l.invoice_id is NULL
350 and l.date >= ".$mdb2->quote($start)." and l.date <= ".$mdb2->quote($end)."
351 and l.billable = 1"; // l.billable * u.rate * time_to_sec(l.duration)/3600 > 0"; // See explanation below.
353 // sql part for project id.
354 if ($project_id) $project_part = " and l.project_id = $project_id";
356 // When we have projects, rates are defined for each project in tt_user_project_binds.
357 $sql = "update tt_log l
358 left join tt_user_project_binds upb on (upb.user_id = l.user_id and upb.project_id = l.project_id)
359 set l.invoice_id = $last_id
360 where l.status = 1 and l.client_id = $client_id $project_part and l.invoice_id is NULL
361 and l.date >= ".$mdb2->quote($start)." and l.date <= ".$mdb2->quote($end)."
362 and l.billable = 1"; // l.billable * upb.rate * time_to_sec(l.duration)/3600 > 0";
363 // Users with a lot of clients and projects (Jaro) may forget to set user rates properly.
364 // Specifically, user rate may be set to 0 on a project, by mistake. This leads to error.no_invoiceable_items
365 // and increased support cost. Commenting out allows us to include 0 cost items in invoices so that
366 // the problem becomes obvious.
368 // TODO: If the above turns out useful, rework the query to simplify it by removing left join.
370 $affected = $mdb2->exec($sql);
371 if (is_a($affected, 'PEAR_Error'))
374 // sql part for project id.
375 if ($project_id) $project_part = " and project_id = $project_id";
377 $sql = "update tt_expense_items set invoice_id = $last_id where client_id = $client_id $project_part and invoice_id is NULL
378 and date >= ".$mdb2->quote($start)." and date <= ".$mdb2->quote($end)." and cost <> 0 and status = 1";
379 $affected = $mdb2->exec($sql);
380 return (!is_a($affected, 'PEAR_Error'));
383 // prepareInvoiceBody - prepares an email body for invoice.
384 static function prepareInvoiceBody($invoice_id, $comment)
389 $invoice = ttInvoiceHelper::getInvoice($invoice_id);
390 $client = ttClientHelper::getClient($invoice['client_id'], true);
391 $invoice_items = ttInvoiceHelper::getInvoiceItems($invoice_id);
393 $tax_percent = $client['tax'];
397 foreach($invoice_items as $item)
398 $subtotal += $item['cost'];
400 $tax_expenses = $user->isPluginEnabled('et');
401 foreach($invoice_items as $item) {
402 if ($item['type'] == 2 && !$tax_expenses)
404 $tax += round($item['cost'] * $tax_percent / 100, 2);
407 $total = $subtotal + $tax;
409 $subtotal = htmlspecialchars($user->currency).' '.str_replace('.', $user->decimal_mark, sprintf('%8.2f', round($subtotal, 2)));
410 if ($tax) $tax = htmlspecialchars($user->currency).' '.str_replace('.', $user->decimal_mark, sprintf('%8.2f', round($tax, 2)));
411 $total = htmlspecialchars($user->currency).' '.str_replace('.', $user->decimal_mark, sprintf('%8.2f', round($total, 2)));
413 if ('.' != $user->decimal_mark) {
414 foreach ($invoice_items as &$item) {
415 $item['cost'] = str_replace('.', $user->decimal_mark, $item['cost']);
417 unset($item); // Unset the reference. If we don't, the foreach loop below modifies the array while printing.
418 // See http://stackoverflow.com/questions/8220399/php-foreach-pass-by-reference-last-element-duplicating-bug
421 // Define some styles to use in email.
422 $style_title = 'text-align: center; font-size: 15pt; font-family: Arial, Helvetica, sans-serif;';
423 $style_tableHeader = 'font-weight: bold; background-color: #a6ccf7; text-align: left;';
424 $style_tableHeaderCentered = 'font-weight: bold; background-color: #a6ccf7; text-align: center;';
426 // Start creating email body.
428 $body .= '<head><meta http-equiv="content-type" content="text/html; charset='.CHARSET.'"></head>';
432 $body .= '<p style="'.$style_title.'">'.$i18n->get('title.invoice').' '.htmlspecialchars($invoice['name']).'</p>';
435 if($comment) $body .= '<p>'.htmlspecialchars($comment).'</p>';
437 // Output invoice info.
439 $body .= '<tr><td><b>'.$i18n->get('label.date').':</b> '.$invoice['date'].'</td></tr>';
440 $body .= '<tr><td><b>'.$i18n->get('label.client').':</b> '.htmlspecialchars($client['name']).'</td></tr>';
441 $body .= '<tr><td><b>'.$i18n->get('label.client_address').':</b> '.htmlspecialchars($client['address']).'</td></tr>';
446 // Output invoice items.
447 $body .= '<table border="0" cellpadding="4" cellspacing="0" width="100%">';
449 $body .= '<td style="'.$style_tableHeader.'">'.$i18n->get('label.date').'</td>';
450 $body .= '<td style="'.$style_tableHeader.'">'.$i18n->get('form.invoice.person').'</td>';
451 if (MODE_PROJECTS == $user->tracking_mode || MODE_PROJECTS_AND_TASKS == $user->tracking_mode)
452 $body .= '<td style="'.$style_tableHeader.'">'.$i18n->get('label.project').'</td>';
453 if (MODE_PROJECTS_AND_TASKS == $user->tracking_mode)
454 $body .= '<td style="'.$style_tableHeader.'">'.$i18n->get('label.task').'</td>';
455 $body .= '<td style="'.$style_tableHeader.'">'.$i18n->get('label.note').'</td>';
456 $body .= '<td style="'.$style_tableHeaderCentered.'" width="5%">'.$i18n->get('label.duration').'</td>';
457 $body .= '<td style="'.$style_tableHeaderCentered.'" width="5%">'.$i18n->get('label.cost').'</td>';
459 foreach ($invoice_items as $item) {
461 $body .= '<td>'.$item['date'].'</td>';
462 $body .= '<td>'.htmlspecialchars($item['user_name']).'</td>';
463 if (MODE_PROJECTS == $user->tracking_mode || MODE_PROJECTS_AND_TASKS == $user->tracking_mode)
464 $body .= '<td>'.htmlspecialchars($item['project_name']).'</td>';
465 if (MODE_PROJECTS_AND_TASKS == $user->tracking_mode)
466 $body .= '<td>'.htmlspecialchars($item['task_name']).'</td>';
467 $body .= '<td>'.htmlspecialchars($item['note']).'</td>';
468 $body .= '<td align="right">'.$item['duration'].'</td>';
469 $body .= '<td align="right">'.$item['cost'].'</td>';
474 if (MODE_PROJECTS == $user->tracking_mode)
476 elseif (MODE_PROJECTS_AND_TASKS == $user->tracking_mode)
478 $body .= '<tr><td> </td></tr>';
480 $body .= '<tr><td colspan="'.$colspan.'" align="right"><b>'.$i18n->get('label.subtotal').':</b></td><td nowrap align="right">'.$subtotal.'</td></tr>';
481 $body .= '<tr><td colspan="'.$colspan.'" align="right"><b>'.$i18n->get('label.tax').':</b></td><td nowrap align="right">'.$tax.'</td></tr>';
483 $body .= '<tr><td colspan="'.$colspan.'" align="right"><b>'.$i18n->get('label.total').':</b></td><td nowrap align="right">'.$total.'</td></tr>';
487 if (!defined('REPORT_FOOTER') || !(REPORT_FOOTER == false))
488 $body .= '<p style="text-align: center;">'.$i18n->get('form.mail.footer').'</p>';
490 // Finish creating email body.
491 $body .= '</body></html>';