Fixed cust_trans update on bank trans change.
[fa-stable.git] / gl / includes / db / gl_db_banking.inc
1 <?php
2 /**********************************************************************
3     Copyright (C) FrontAccounting, LLC.
4         Released under the terms of the GNU General Public License, GPL, 
5         as published by the Free Software Foundation, either version 3 
6         of the License, or (at your option) any later version.
7     This program is distributed in the hope that it will be useful,
8     but WITHOUT ANY WARRANTY; without even the implied warranty of
9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
12 function add_exchange_variation($trans_no, $date_, $acc_id, $account,
13     $currency, $person_type_id=null, $person_id = "")
14 {
15         if (is_company_currency($currency))
16                 return false;
17         if ($date_ == null)
18                 $date_ = Today();
19         $for_amount = 0;
20
21         // We have to calculate all the currency accounts belonging to the GL account
22         // upto $date_ and calculate with the exchange rates. And then compare with the GL account balance.
23         // 2010-02-23 Joe Hunt with help of Ary Wibowo
24         $sql = "SELECT SUM(bt.amount) AS for_amount, ba.bank_curr_code          
25                 FROM ".TB_PREF."bank_trans bt, ".TB_PREF."bank_accounts ba
26                 WHERE ba.id = bt.bank_act AND ba.account_code = ".db_escape($account)." AND bt.trans_date<='".date2sql($date_)."'
27                 GROUP BY ba.bank_curr_code";    
28         $result = db_query($sql, "Transactions for bank account $acc_id could not be calculated");
29         while ($row = db_fetch($result))
30         {
31                 if ($row['for_amount'] == 0)
32                         continue;
33                 $rate = get_exchange_rate_from_home_currency($row['bank_curr_code'], $date_);
34                 $for_amount += round2($row['for_amount'] * $rate, user_price_dec());
35         }       
36         $amount = get_gl_trans_from_to("", $date_, $account);
37         $diff = $amount - $for_amount;
38         if ($diff != 0)
39         {
40                 if ($trans_no == null)
41                         $trans_no = get_next_trans_no(ST_JOURNAL);
42                 if ($person_type_id == null)
43                         $person_type_id = PT_MISC;
44                 add_gl_trans(ST_JOURNAL, $trans_no, $date_, $account, 0, 0, _("Exchange Variance"),
45                 -$diff, null, $person_type_id, $person_id);
46         add_gl_trans(ST_JOURNAL, $trans_no, $date_, get_company_pref('exchange_diff_act'), 0, 0, 
47                 _("Exchange Variance"), $diff, null, $person_type_id, $person_id);
48         }
49         return ($diff != 0);
50 }
51
52 function add_exchange_variation_all($date=null, $ref="", $memo)
53 {
54         global $Refs;
55         begin_transaction();
56         $exchanged = false;
57         $trans_no = get_next_trans_no(ST_JOURNAL);
58         $sql = "SELECT * FROM ".TB_PREF."bank_accounts";
59         $result = db_query($sql, "could not retreive bank accounts");
60         while ($myrow = db_fetch($result))
61         {
62                 if (add_exchange_variation($trans_no, $date, $myrow['id'], $myrow['account_code'],
63                         $myrow['bank_curr_code']))
64                         $exchanged = true;
65         }
66         if ($exchanged)
67         {
68                 add_comments(ST_JOURNAL, $trans_no, $date, $memo);
69                 if ($ref == "")
70                         $ref = $Refs->get_next(ST_JOURNAL);
71                 $Refs->save(ST_JOURNAL, $trans_no, $ref);
72                 add_audit_trail(ST_JOURNAL, $trans_no, $date);
73         }       
74         commit_transaction();
75         return ($exchanged ? $trans_no : 0);
76 }
77 //----------------------------------------------------------------------------------
78 //      Add bank tranfer to database.
79 //
80 //      $from_account - source bank account id
81 //      $to_account   - target bank account id
82 //      
83
84 function add_bank_transfer($from_account, $to_account, $date_,
85         $amount, $ref, $memo_, $charge=0)
86 {
87         global $Refs, $SysPrefs;
88         
89         begin_transaction();
90
91         $trans_type = ST_BANKTRANSFER;
92
93         $currency = get_bank_account_currency($from_account);
94
95         $trans_no = get_next_trans_no($trans_type);
96         
97     $fromact = get_bank_account($from_account);
98     $toact = get_bank_account($to_account);
99     $person_id = _("From")." ".$fromact['bank_account_name']." "._("To")." ".$toact['bank_account_name'];
100
101         $from_gl_account = get_bank_gl_account($from_account);
102         $to_gl_account = get_bank_gl_account($to_account);
103         
104         $exchanged = false;
105         $total = 0;
106         // do the source account postings
107     $total += add_gl_trans($trans_type, $trans_no, $date_, $from_gl_account, 0, 0, $person_id,
108                 -($amount + $charge), $currency);
109
110     add_bank_trans($trans_type, $trans_no, $from_account, $ref,
111                 $date_, -($amount + $charge),
112                 PT_MISC, $person_id, $currency,
113                 "Cannot insert a source bank transaction");
114         if ($SysPrefs->auto_currency_revaluation())
115         {
116                 $trans_no1 = get_next_trans_no(ST_JOURNAL);
117                 if (add_exchange_variation($trans_no1, $date_, $from_account, $from_gl_account, 
118                         $currency, PT_MISC, $person_id))
119                         $exchanged = true;
120         }
121         if ($charge != 0)
122         {
123                 /* Now Debit bank charge account with charges */
124                 $charge_act = get_company_pref('bank_charge_act');
125                 $total += add_gl_trans($trans_type, $trans_no, $date_,
126                         $charge_act, 0, 0, $person_id, $charge, $currency);
127         }
128         // do the destination account postings
129         $total += add_gl_trans($trans_type, $trans_no, $date_, $to_gl_account, 0, 0, $person_id,
130                 $amount, $currency);
131                 
132         /*Post a balance post if $total != 0 */
133         add_gl_balance($trans_type, $trans_no, $date_, -$total);        
134         
135         add_bank_trans($trans_type, $trans_no, $to_account, $ref,
136                 $date_, $amount, PT_MISC, $person_id,
137                 $currency, "Cannot insert a destination bank transaction");
138
139         if ($SysPrefs->auto_currency_revaluation())
140         {
141                 $currency = get_bank_account_currency($to_account);
142         
143                 if ($exchanged || add_exchange_variation($trans_no1, $date_, $to_account, $to_gl_account,       
144                         $currency, PT_MISC, $person_id))
145                 {
146                         $ref1 = $Refs->get_next(ST_JOURNAL);
147                         $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
148                         add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
149                 }       
150         }
151         add_comments($trans_type, $trans_no, $date_, $memo_);
152
153         $Refs->save($trans_type, $trans_no, $ref);
154         add_audit_trail($trans_type, $trans_no, $date_);
155
156         commit_transaction();
157
158         return $trans_no;
159 }
160 //----------------------------------------------------------------------------------
161 //      Add bank payment or deposit to database.
162 //
163 //      $from_account - bank account id
164 //  $item - transaction cart (line item's amounts in bank account's currency)
165 //  $person_type_id - defines type of $person_id identifiers
166 //  $person_id  - supplier/customer/other id
167 // $person_detail_id - customer branch id or not used
168 //
169 // returns an array of (inserted trans type, trans no)
170 //
171 // FIXME -revise code for update case
172 //
173 function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $date_,
174         $person_type_id, $person_id, $person_detail_id, $ref, $memo_, $use_transaction=true)
175 {
176         global $Refs, $SysPrefs;
177
178         // we can only handle type 1 (payment)and type 2 (deposit)
179         if ($trans_type != ST_BANKPAYMENT && $trans_type != ST_BANKDEPOSIT)
180                 display_db_error("Invalid type ($trans_type) sent to add_bank_transaction");
181
182         $do_exchange_variance = false;
183         $exchanged = false;
184         if ($use_transaction)
185                 begin_transaction();
186
187         if ($trans_no)
188                 clear_bank_transaction($_SESSION['pay_items']->trans_type, $_SESSION['pay_items']->order_id);
189
190         $currency = get_bank_account_currency($from_account);
191         $bank_gl_account = get_bank_gl_account($from_account);
192
193         // the gl items are already inversed/negated for type 2 (deposit)
194         $total_amount = $items->gl_items_total();
195
196     if ($person_type_id == PT_CUSTOMER)
197     {
198         // we need to add a customer transaction record
199
200                 // convert to customer currency
201                 $cust_amount = exchange_from_to($total_amount, $currency, get_customer_currency($person_id), $date_);
202                 // we need to negate it too
203                 $cust_amount = -$cust_amount;
204
205                 $trans_no = write_customer_trans($trans_type, $trans_no, $person_id, $person_detail_id, $date_,
206                 $ref, $cust_amount);
207
208     }
209     elseif ($person_type_id == PT_SUPPLIER)
210     {
211         // we need to add a supplier transaction record
212                 // convert to supp currency
213                 $supp_amount = exchange_from_to($total_amount, $currency, get_supplier_currency($person_id), $date_);
214
215                 // we need to negate it too
216                 $supp_amount = -$supp_amount;
217
218                 $trans_no = write_supp_trans($trans_type, $trans_no, $person_id, $date_, '',
219                         $ref, "", $supp_amount, 0, 0);
220
221     }
222     else
223     {
224         if (!$trans_no)
225                 $trans_no = get_next_trans_no($trans_type);
226         $do_exchange_variance = $SysPrefs->auto_currency_revaluation();
227         if ($do_exchange_variance)
228                 $trans_no1 = get_next_trans_no(ST_JOURNAL);
229     }
230
231         // do the source account postings
232
233     add_bank_trans($trans_type, $trans_no, $from_account, $ref,
234         $date_, -$total_amount,
235         $person_type_id, $person_id,
236         $currency,
237         "Cannot insert a source bank transaction");
238         $total = 0;
239         foreach ($items->gl_items as $gl_item)
240         {
241                 $is_bank_to = is_bank_account($gl_item->code_id);
242
243                 if ($trans_type == ST_BANKPAYMENT AND $is_bank_to)
244                 {
245                         // we don't allow payments to go to a bank account. use transfer for this !
246                         display_db_error("invalid payment entered. Cannot pay to another bank account", "");
247                 }
248
249         // do the destination account postings
250         $total += add_gl_trans($trans_type, $trans_no, $date_, $gl_item->code_id,
251                 $gl_item->dimension_id, $gl_item->dimension2_id, $gl_item->reference,
252                 $gl_item->amount, $currency, $person_type_id, $person_id);
253
254         if ($is_bank_to)
255         {
256                 add_bank_trans($trans_type, $trans_no, $is_bank_to, $ref,
257                         $date_, $gl_item->amount,
258                         $person_type_id, $person_id, $currency,
259                         "Cannot insert a destination bank transaction");
260                 if ($do_exchange_variance)
261                 {
262                         add_exchange_variation($trans_no1, $date_, $is_bank_to, $gl_item->code_id, 
263                                 $currency, $person_type_id, $person_id);
264                 }               
265         }
266                 // store tax details if the gl account is a tax account
267
268                 $amount = $gl_item->amount;
269                 $ex_rate = get_exchange_rate_from_home_currency($currency, $date_);
270                         
271                 add_gl_tax_details($gl_item->code_id, $trans_type, $trans_no, -$amount,
272                         $ex_rate, $date_, $memo_);
273         }
274
275         // do the source account postings
276     add_gl_trans($trans_type, $trans_no, $date_, $bank_gl_account, 0, 0, $memo_,
277         -$total, null, $person_type_id, $person_id);
278
279     if ($do_exchange_variance)
280     {
281         if ($exchanged || add_exchange_variation($trans_no1, $date_, $from_account, $bank_gl_account, 
282                 $currency, $person_type_id, $person_id))
283         {       
284                         $ref1 = $Refs->get_next(ST_JOURNAL);
285                         $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
286                         add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
287                 }       
288         }
289
290         add_comments($trans_type, $trans_no, $date_, $memo_);
291
292         $Refs->save($trans_type, $trans_no, $ref);
293         add_audit_trail($trans_type, $trans_no, $date_);
294
295         if ($use_transaction)
296                 commit_transaction();
297
298         return array($trans_type, $trans_no);
299 }
300 //----------------------------------------------------------------------------------------
301
302 function clear_bank_transaction($type, $type_no)
303 {
304
305         $sql = "DELETE FROM ".TB_PREF."bank_trans 
306                 WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
307
308         $result = db_query($sql, "could not clear bank transactions for type=$type and trans_no=$type_no");
309
310         clear_gl_trans($type, $type_no, true);
311
312         // in case it's a customer trans - probably better to check first
313         void_cust_allocations($type, $type_no);
314
315         // in case it's a supplier trans - probably better to check first
316         void_supp_allocations($type, $type_no);
317         clear_supp_trans($type, $type_no);
318
319         clear_trans_tax_details($type, $type_no);
320
321         delete_comments($type, $type_no);
322 }
323
324 ?>