[FIX] account: Fix multi-company/currency in Aged Partner report

This code is called by account_reports to build the Aged Receivable/Payable.
However, no support for the multi-company/multi-currency is there and then,
the multi-company filter on account_reports never worked.

addons/account/report/account_aged_partner_balance.py

@@ -31,7 +31,10 @@ class ReportAgedPartnerBalance(models.AbstractModel):
         res = []
         total = []
         cr = self.env.cr
-        user_company = self.env.user.company_id.id
+        user_company = self.env.user.company_id
+        user_currency = user_company.currency_id
+        ResCurrency = self.env['res.currency'].with_context(date=date_from)
+        company_ids = self._context.get('company_ids') or [user_company.id]
         move_state = ['draft', 'posted']
         if target_move == 'posted':
             move_state = ['posted']
@@ -45,7 +48,7 @@ class ReportAgedPartnerBalance(models.AbstractModel):
         if reconciled_after_date:
             reconciliation_clause = '(l.reconciled IS FALSE OR l.id IN %s)'
             arg_list += (tuple(reconciled_after_date),)
-        arg_list += (date_from, user_company)
+        arg_list += (date_from, tuple(company_ids))
         query = '''
             SELECT DISTINCT l.partner_id, UPPER(res_partner.name)
             FROM account_move_line AS l left join res_partner on l.partner_id = res_partner.id, account_account, account_move am
@@ -55,7 +58,7 @@ class ReportAgedPartnerBalance(models.AbstractModel):
                 AND (account_account.internal_type IN %s)
                 AND ''' + reconciliation_clause + '''
                 AND (l.date <= %s)
-                AND l.company_id = %s
+                AND l.company_id IN %s
             ORDER BY UPPER(res_partner.name)'''
         cr.execute(query, arg_list)
 
@@ -80,23 +83,23 @@ class ReportAgedPartnerBalance(models.AbstractModel):
                     AND (COALESCE(l.date_maturity,l.date) > %s)\
                     AND ((l.partner_id IN %s) OR (l.partner_id IS NULL))
                 AND (l.date <= %s)
-                AND l.company_id = %s'''
-        cr.execute(query, (tuple(move_state), tuple(account_type), date_from, tuple(partner_ids), date_from, user_company))
+                AND l.company_id IN %s'''
+        cr.execute(query, (tuple(move_state), tuple(account_type), date_from, tuple(partner_ids), date_from, tuple(company_ids)))
         aml_ids = cr.fetchall()
         aml_ids = aml_ids and [x[0] for x in aml_ids] or []
         for line in self.env['account.move.line'].browse(aml_ids):
             partner_id = line.partner_id.id or False
             if partner_id not in undue_amounts:
                 undue_amounts[partner_id] = 0.0
-            line_amount = line.balance
-            if line.balance == 0:
+            line_amount = ResCurrency._compute(line.company_id.currency_id, user_currency, line.balance)
+            if user_currency.is_zero(line_amount):
                 continue
             for partial_line in line.matched_debit_ids:
                 if partial_line.create_date[:10] <= date_from:
-                    line_amount += partial_line.amount
+                    line_amount += ResCurrency._compute(partial_line.company_id.currency_id, user_currency, partial_line.amount)
             for partial_line in line.matched_credit_ids:
                 if partial_line.create_date[:10] <= date_from:
-                    line_amount -= partial_line.amount
+                    line_amount -= ResCurrency._compute(partial_line.company_id.currency_id, user_currency, partial_line.amount)
             if not self.env.user.company_id.currency_id.is_zero(line_amount):
                 undue_amounts[partner_id] += line_amount
                 lines[partner_id].append({
@@ -121,7 +124,7 @@ class ReportAgedPartnerBalance(models.AbstractModel):
             else:
                 dates_query += ' <= %s)'
                 args_list += (periods[str(i)]['stop'],)
-            args_list += (date_from, user_company)
+            args_list += (date_from, tuple(company_ids))
 
             query = '''SELECT l.id
                     FROM account_move_line AS l, account_account, account_move am
@@ -131,7 +134,7 @@ class ReportAgedPartnerBalance(models.AbstractModel):
                         AND ((l.partner_id IN %s) OR (l.partner_id IS NULL))
                         AND ''' + dates_query + '''
                     AND (l.date <= %s)
-                    AND l.company_id = %s'''
+                    AND l.company_id IN %s'''
             cr.execute(query, args_list)
             partners_amount = {}
             aml_ids = cr.fetchall()
@@ -140,15 +143,15 @@ class ReportAgedPartnerBalance(models.AbstractModel):
                 partner_id = line.partner_id.id or False
                 if partner_id not in partners_amount:
                     partners_amount[partner_id] = 0.0
-                line_amount = line.balance
-                if line.balance == 0:
+                line_amount = ResCurrency._compute(line.company_id.currency_id, user_currency, line.balance)
+                if user_currency.is_zero(line_amount):
                     continue
                 for partial_line in line.matched_debit_ids:
                     if partial_line.create_date[:10] <= date_from:
-                        line_amount += partial_line.amount
+                        line_amount += ResCurrency._compute(partial_line.company_id.currency_id, user_currency, partial_line.amount)
                 for partial_line in line.matched_credit_ids:
                     if partial_line.create_date[:10] <= date_from:
-                        line_amount -= partial_line.amount
+                        line_amount -= ResCurrency._compute(partial_line.company_id.currency_id, user_currency, partial_line.amount)
 
                 if not self.env.user.company_id.currency_id.is_zero(line_amount):
                     partners_amount[partner_id] += line_amount