Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Validate-BR: add BR-{14,15} and BR-CO-{4,15,16} #14

Merged
merged 3 commits into from
Dec 19, 2024
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
68 changes: 63 additions & 5 deletions src/components/business_rules.rs
Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ const BUSINESS_RULES: &[fn(&Invoice) -> Result<(), BusinessRuleViolation>] = &[
// br_11,
br_12,
br_13,
// br_14,
// br_15,
br_14,
br_15,
// br_16,
// br_17,
// br_18,
Expand Down Expand Up @@ -70,7 +70,7 @@ const BUSINESS_RULES: &[fn(&Invoice) -> Result<(), BusinessRuleViolation>] = &[
// br_64,
// br_65,
// br_co_03,
// br_co_04,
br_co_04,
// br_co_05,
// br_co_06,
// br_co_07,
Expand All @@ -81,8 +81,8 @@ const BUSINESS_RULES: &[fn(&Invoice) -> Result<(), BusinessRuleViolation>] = &[
// br_co_12,
br_co_13,
br_co_14,
// br_co_15,
// br_co_16,
br_co_15,
br_co_16,
br_co_17,
// br_co_18,
// br_co_19,
Expand Down Expand Up @@ -140,6 +140,39 @@ fn br_13(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
br_109.discard_value().check(rule, "BR-109")
}

/// BR-14: An Invoice shall have the Invoice total amount with VAT (BT-112)
fn br_14(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-14", "An Invoice shall have the Invoice total amount with VAT (BT-112).");
let br_112 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.grand_total_amount;

br_112.discard_value().check(rule, "BR-112")
}

/// BR-15: An Invoice shall have the Amount due for payment (BT-115).
fn br_15(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-15", "An Invoice shall have the Amount due for payment (BT-115).");
let br_115 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.due_payable_amount;

br_115.discard_value().check(rule, "BR-115")
}

/// BR-CO-4: Each Invoice line (BG-25) shall be categorized with an Invoiced item VAT category code (BT-151).
fn br_co_04(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
// Should never fail because structure is enforced, but maybe something changes in the future
let rule = ("BR-CO-4", "Each Invoice line (BG-25) shall be categorized with an Invoiced item VAT category code (BT-151).");
for line in &invoice.supply_chain_trade_transaction.included_supply_chain_trade_line_items {
if line.specified_line_trade_settlement.applicable_trade_tax.category_code.as_str().is_empty() {
return Err(BusinessRuleViolation {
rule_id: rule.0.to_string(),
rule_text: rule.1.to_string(),
message: "VAT category code is missing".to_string(),
fields: vec![("line_id".to_string(), line.associated_document_line_document.line_id.to_string())],
});
}
}
Ok(())
}

/// BR-CO-10: Sum of Invoice line net amount (BT-106) = ∑ Invoice line net amount (BT-131).
fn br_co_10(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-CO-10", "Sum of Invoice line net amount (BT-106) = ∑ Invoice line net amount (BT-131).");
Expand Down Expand Up @@ -174,6 +207,31 @@ fn br_co_14(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
check_float_eq!(rule; bt_110, bt_117_sum; bt_110, bt_117_sum)
}

/// BR-CO-15: Invoice total amount with VAT (BT-112) = Invoice total amount without VAT (BT-109) + Invoice total VAT amount (BT-110).
fn br_co_15(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-CO-15", "Invoice total amount with VAT (BT-112) = Invoice total amount without VAT (BT-109) + Invoice total VAT amount (BT-110).");
let bt_109 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.tax_basis_total_amount.check(rule, "BT-109")?;
let bt_110 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.tax_total_amount.clone().check(rule, "BT-110")?.amount;
let bt_112 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.grand_total_amount.check(rule, "BT-112")?;

check_float_eq!(rule; bt_112, bt_109 + bt_110; bt_112, bt_109, bt_110)
}

/// BR-CO-16: Amount due for payment (BT-115) = Invoice total amount with VAT (BT-112) - Paid amount (BT-113) + Rounding amount (BT-114).
fn br_co_16(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-CO-16", "Amount due for payment (BT-115) = Invoice total amount with VAT (BT-112) - Paid amount (BT-113) + Rounding amount (BT-114).");
let bt_112 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.grand_total_amount.check(rule, "BT-112")?;
// TODO: neither exists so far
// let bt_113 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.paid_amount.unwrap_or(0.0);
// let bt_114 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.rounding_amount.unwrap_or(0.0);
let bt_113 = 0.0;
let bt_114 = 0.0;
let bt_115 = invoice.supply_chain_trade_transaction.applicable_header_trade_settlement.specified_trade_settlement_header_monetary_summation.due_payable_amount.check(rule, "BT-115")?;

check_float_eq!(rule; bt_115, bt_112 - bt_113 + bt_114; bt_115, bt_112, bt_113, bt_114)
}


/// BR-CO-17: VAT category tax amount (BT-117) = VAT category taxable amount (BT-116) x (VAT category rate (BT-119) / 100), rounded to two decimals
fn br_co_17(invoice: &Invoice) -> Result<(), BusinessRuleViolation> {
let rule = ("BR-CO-17", "VAT category tax amount (BT-117) = VAT category taxable amount (BT-116) x (VAT category rate (BT-119) / 100), rounded to two decimals");
Expand Down