fixes in division by zero in discount calculation
diff --git a/buying/doctype/purchase_common/purchase_common.js b/buying/doctype/purchase_common/purchase_common.js
index 549ec48..fcb0b6a 100644
--- a/buying/doctype/purchase_common/purchase_common.js
+++ b/buying/doctype/purchase_common/purchase_common.js
@@ -482,7 +482,10 @@
if(n == 1){
set_multiple(tname, cl[i].name, {'purchase_ref_rate':flt(cl[i].import_ref_rate)*flt(doc.conversion_rate)}, fname);
- set_multiple(tname, cl[i].name, {'discount_rate': flt(flt( flt( flt(cl[i].import_ref_rate) - flt(cl[i].import_rate) ) * 100 )/flt(cl[i].import_ref_rate)) }, fname);
+ set_multiple(tname, cl[i].name, {
+ 'discount_rate': flt(cl[i].import_ref_rate) ?
+ flt(flt( flt( flt(cl[i].import_ref_rate) - flt(cl[i].import_rate) ) * 100 )/
+ flt(cl[i].import_ref_rate)) : 0 }, fname);
tmp[rate_fld] = flt(doc.conversion_rate) * flt(cl[i].import_rate);
set_multiple(tname, cl[i].name, tmp, fname);
@@ -491,7 +494,10 @@
}else if(n == 2){
set_multiple(tname, cl[i].name, {'purchase_ref_rate':flt(cl[i].import_ref_rate)*flt(doc.conversion_rate)}, fname);
- set_multiple(tname, cl[i].name, {'discount_rate': flt(flt( flt( flt(cl[i].purchase_ref_rate) - flt(cl[i][rate_fld]) ) * 100 )/flt(cl[i].purchase_ref_rate)) }, fname);
+ set_multiple(tname, cl[i].name, {
+ 'discount_rate': flt(cl[i].purchase_ref_rate) ?
+ flt(flt( flt( flt(cl[i].purchase_ref_rate) - flt(cl[i][rate_fld]) ) * 100 )/
+ flt(cl[i].purchase_ref_rate)) : 0 }, fname);
set_multiple(tname, cl[i].name, {'amount': flt(flt(cl[i].qty) * flt(cl[i][rate_fld])),}, fname);
set_multiple(tname, cl[i].name, {'import_rate': flt(flt(cl[i][rate_fld]) / flt(doc.conversion_rate)) }, fname);
set_multiple(tname, cl[i].name, {'import_amount': flt(flt(cl[i].qty) * flt(cl[i][rate_fld]) / flt(doc.conversion_rate))}, fname);