jbw-odoo
282fbee342
When a user creates a downpayent with a fixed amount, the amount is tax included. This can generate rounding issues as sometimes the amount is impossible to be reached by any base amount / tax combination. (fixed amount = 100€, tax is 21% -> 100/1.21 = 82.64 -> 82.64 * 1.21 = 99.99). This can lead to up to 1 rounding error per downpaylent line.
Until now the total amount delta was added/removed on one tax line, one receivable line and one product line. While the total amount was correctly corrected, the amount on the individual lines would be off.
On a SO with :
base | tax | tax incl
1000€ | tax_21%_a | 1210€
1000€ | tax_21%_b | 1210€
Generate 1 DP for fixed amount 200€
Invoice lines :
BEFORE:
tax | balance | price_total
base lines ----------------------
tax_21%_a | -82.64 | 100.01 <-- 0.02 correction
tax_21%_b | -82.64 | 99.99
tax lines -----------------------
| -17.37 | 0.0 <-- 0.02 correction
| -17.35 | 0.0
receivable line -----------------
| 200.0 | 0 <-- 0.02 correction
AFTER:
tax | balance | price_total
base lines ----------------------
tax_21%_a | -82.64 | 100.0 <-- 0.01 correction
tax_21%_b | -82.64 | 100.0 <-- 0.01 correction
tax lines -----------------------
| -17.36 | 0.0 <-- 0.01 correction
| -17.36 | 0.0 <-- 0.01 correction
receivable line -----------------
| 200.0 | 0 <-- 0.02 correction
closes odoo/odoo#135698
X-original-commit: d197efa60cf7c00168847ce7afcfa1741410aee1
Signed-off-by: de Wouters de Bouchout Jean-Benoît (jbw) <jbw@odoo.com>
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