xavierk
d3b5fbb1b8
- ErpnextSink implements InvoiceSink. Pushing an issued invoice ensures the Customer and Address (read-back of the returned name, local PIN/state/GSTIN checks), creates the Sales Invoice, optionally submits it in a second call, and attaches the archived PDF as a private file once. - Idempotent: a mirrored-name 409 is compared by grand total (same total records as synced, different total is a conflict and never overwrites); series mode looks up an existing document by its remarks before re-posting; an identical re-push sends nothing. - Create and submit are separate calls so a draft survives a failed submit. A failed push is recorded in erpnext_sync with a readable message. Bulk push never aborts on one failing row. - Payment push requires a submitted parent, maps TDS to Payment Entry deductions and is idempotent through the stored entry name. - Migration M11 rebuilds erpnext_sync to allow a conflict status and adds attachment_sha256. - Commands for single and bulk push, payment push, sync status and the open-in-ERPNext URL, with typed wrappers. No UI yet. Tested against a mock server only. The Payment Entry deductions fields, the series-mode submit route and the payment amount semantics need a live ERPNext check.
1148 lines
43 KiB
Rust
1148 lines
43 KiB
Rust
//! Pushing issued invoices and their payments to ERPNext.
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//!
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//! The database mutex is never held across an `await`: each step takes the lock, reads or writes, and
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//! releases it before the next network call. Every outcome after the pre-flight checks is recorded in
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//! `erpnext_sync` (also failures), and an existing remote document is never overwritten.
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use super::client::{ErpClient, Upload};
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use super::config::{self, ErpnextConfig, NamingMode};
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use super::errors::{ErpError, ErrorKind};
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use super::mapping::{
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self, build_address, build_customer, build_sales_invoice, paise_to_decimal, remarks_marker, InvoiceContext, Vendor,
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SALES_INVOICE_V2,
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};
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use crate::commands::archive::read_archive_impl;
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use crate::commands::invoice::get_invoice_impl;
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use crate::gst;
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use crate::integrations::{
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InvoiceSink, PaymentRequest, PushRequest, PushedInvoice, PushedPayment, SyncStatus,
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};
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use crate::models::{Client, Invoice};
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use percent_encoding::{utf8_percent_encode, AsciiSet, NON_ALPHANUMERIC};
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use rusqlite::{params, Connection, OptionalExtension};
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use serde::Serialize;
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use serde_json::{json, Map, Value};
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use sha2::{Digest, Sha256};
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use std::collections::HashMap;
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use std::path::Path;
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use std::sync::Mutex;
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type Db = Mutex<Connection>;
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const DOCTYPE_INVOICE: &str = "Sales Invoice";
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const GET_PAYMENT_ENTRY: &str = "erpnext.accounts.doctype.payment_entry.payment_entry.get_payment_entry";
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fn pre(message: impl Into<String>) -> ErpError {
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ErpError::new(ErrorKind::Precondition, message)
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}
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fn with_db<T>(db: &Db, f: impl FnOnce(&mut Connection) -> Result<T, String>) -> Result<T, ErpError> {
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let mut conn = db.lock().map_err(|e| pre(format!("The database is busy: {e}")))?;
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f(&mut conn).map_err(|e| pre(format!("Could not read or save the sync state: {e}")))
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}
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fn sha256_hex(bytes: &[u8]) -> String {
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format!("{:x}", Sha256::digest(bytes))
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}
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// ---- results ----
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/// One invoice's push outcome. A failure is a normal result (`ok: false`), so a bulk push can carry on.
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#[derive(Debug, Clone, Serialize, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct PushResult {
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pub invoice_id: i64,
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pub number: String,
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pub ok: bool,
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/// `synced`, `error` or `conflict`; `refused` when nothing was sent and nothing was recorded.
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pub status: String,
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pub remote_name: String,
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/// 0 draft, 1 submitted.
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pub remote_docstatus: i64,
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/// The document was created by this call (not found already there).
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pub created: bool,
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/// Nothing needed doing: already synced with the same payload.
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pub no_op: bool,
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/// The archived PDF is attached on the remote document.
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pub attached: bool,
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pub error: Option<String>,
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pub error_kind: Option<ErrorKind>,
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pub warnings: Vec<String>,
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}
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impl PushResult {
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fn refused(invoice_id: i64, number: &str, e: ErpError) -> Self {
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PushResult {
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invoice_id,
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number: number.to_string(),
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ok: false,
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status: "refused".into(),
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remote_name: String::new(),
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remote_docstatus: 0,
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created: false,
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no_op: false,
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attached: false,
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error: Some(e.to_string()),
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error_kind: Some(e.kind),
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warnings: Vec::new(),
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}
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}
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}
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#[derive(Debug, Clone, Serialize, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct PaymentPushResult {
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pub payment_id: i64,
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pub invoice_id: i64,
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pub ok: bool,
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pub entry_name: Option<String>,
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/// The payment had already been sent; nothing was posted.
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pub already_synced: bool,
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pub error: Option<String>,
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pub error_kind: Option<ErrorKind>,
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}
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// ---- local state ----
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#[derive(Debug, Clone, Default)]
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struct SyncRow {
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remote_name: String,
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remote_docstatus: i64,
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status: String,
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last_error: String,
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payload_hash: String,
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synced_at: Option<String>,
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attachment_sha256: String,
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}
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fn load_sync(conn: &Connection, invoice_id: i64) -> Result<Option<SyncRow>, String> {
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conn.query_row(
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"SELECT remote_name, remote_docstatus, status, last_error, payload_hash, synced_at, attachment_sha256
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FROM erpnext_sync WHERE invoice_id = ?1",
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params![invoice_id],
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|r| {
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Ok(SyncRow {
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remote_name: r.get(0)?,
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remote_docstatus: r.get(1)?,
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status: r.get(2)?,
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last_error: r.get(3)?,
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payload_hash: r.get(4)?,
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synced_at: r.get(5)?,
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attachment_sha256: r.get(6)?,
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})
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},
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)
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.optional()
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.map_err(|e| e.to_string())
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}
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/// One transaction per write, so the row is never half updated.
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fn write_sync(conn: &mut Connection, invoice_id: i64, row: &SyncRow) -> Result<(), String> {
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let tx = conn.transaction().map_err(|e| e.to_string())?;
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tx.execute(
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"INSERT INTO erpnext_sync
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(invoice_id, remote_name, remote_docstatus, status, last_error, payload_hash, synced_at, attachment_sha256)
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VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8)
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ON CONFLICT(invoice_id) DO UPDATE SET
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remote_name = excluded.remote_name, remote_docstatus = excluded.remote_docstatus,
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status = excluded.status, last_error = excluded.last_error, payload_hash = excluded.payload_hash,
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synced_at = excluded.synced_at, attachment_sha256 = excluded.attachment_sha256",
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params![
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invoice_id,
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row.remote_name,
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row.remote_docstatus,
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row.status,
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row.last_error,
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row.payload_hash,
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row.synced_at,
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row.attachment_sha256
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],
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)
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.map_err(|e| e.to_string())?;
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tx.commit().map_err(|e| e.to_string())
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}
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fn status_of(invoice_id: i64, row: Option<SyncRow>) -> SyncStatus {
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match row {
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None => SyncStatus::none(invoice_id),
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Some(r) => SyncStatus {
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invoice_id,
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status: r.status,
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remote_name: r.remote_name,
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remote_docstatus: r.remote_docstatus,
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last_error: r.last_error,
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synced_at: r.synced_at,
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attached: !r.attachment_sha256.is_empty(),
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},
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}
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}
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pub fn sync_status(conn: &Connection, invoice_id: i64) -> Result<SyncStatus, String> {
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Ok(status_of(invoice_id, load_sync(conn, invoice_id)?))
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}
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/// Every invoice that has a sync row, for the History list.
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pub fn sync_statuses(conn: &Connection) -> Result<Vec<SyncStatus>, String> {
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let mut stmt = conn
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.prepare("SELECT invoice_id FROM erpnext_sync ORDER BY invoice_id")
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.map_err(|e| e.to_string())?;
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let ids = stmt
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.query_map([], |r| r.get::<_, i64>(0))
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.map_err(|e| e.to_string())?
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.collect::<rusqlite::Result<Vec<_>>>()
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.map_err(|e| e.to_string())?;
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ids.into_iter().map(|id| sync_status(conn, id)).collect()
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}
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/// `<base>/app/sales-invoice/<name>`, with the name URL-encoded (a mirrored number contains a slash).
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pub fn open_url(conn: &Connection, invoice_id: i64) -> Result<String, String> {
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const KEEP: &AsciiSet = &NON_ALPHANUMERIC.remove(b'-').remove(b'_').remove(b'.').remove(b'~');
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let row = load_sync(conn, invoice_id)?;
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let name = row.map(|r| r.remote_name).unwrap_or_default();
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if name.is_empty() {
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return Err("This invoice has not been sent to ERPNext yet.".into());
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}
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let cfg = config::load(conn)?;
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let base = super::client::normalize_base_url(&cfg.base_url).map_err(|e| e.to_string())?;
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Ok(format!("{base}/app/sales-invoice/{}", utf8_percent_encode(&name, KEEP)))
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}
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// ---- loading ----
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struct ClientRow {
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/// `None` when the invoice has no saved client (the details come from the invoice itself).
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id: Option<i64>,
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client: Client,
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customer: Option<String>,
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address: Option<String>,
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}
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struct Pdf {
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sha256: String,
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bytes: Vec<u8>,
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}
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struct Loaded {
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cfg: ErpnextConfig,
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invoice: Invoice,
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vendor: Vendor,
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client: ClientRow,
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item_codes: Vec<Option<String>>,
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sync: Option<SyncRow>,
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pdf: Option<Pdf>,
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/// Why there is no PDF to attach although attaching is switched on.
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pdf_warning: Option<String>,
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india_compliance: bool,
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}
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fn load_client(conn: &Connection, inv: &Invoice) -> Result<ClientRow, String> {
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if let Some(id) = inv.client_id {
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let row = conn
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.query_row(
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"SELECT name, address, gstin, state_code, po_number, created_at, address_line1, address_line2, city,
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pincode, gst_category, default_notes, payment_terms_days, erpnext_customer, erpnext_address
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FROM clients WHERE id = ?1",
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params![id],
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|r| {
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let customer: Option<String> = r.get(13)?;
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let address: Option<String> = r.get(14)?;
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Ok(ClientRow {
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id: Some(id),
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client: Client {
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id: Some(id),
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name: r.get(0)?,
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address: r.get(1)?,
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gstin: r.get(2)?,
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state_code: r.get(3)?,
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po_number: r.get(4)?,
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created_at: r.get(5)?,
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address_line1: r.get(6)?,
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address_line2: r.get(7)?,
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city: r.get(8)?,
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pincode: r.get(9)?,
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gst_category: r.get(10)?,
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default_notes: r.get(11)?,
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payment_terms_days: r.get(12)?,
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invoice_count: 0,
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},
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customer: customer.filter(|c| !c.trim().is_empty()),
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address: address.filter(|a| !a.trim().is_empty()),
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})
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},
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)
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.optional()
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.map_err(|e| e.to_string())?;
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if let Some(row) = row {
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return Ok(row);
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}
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}
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// No saved client: use what the invoice froze.
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let gstin = inv.client_gstin.trim();
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let has_gstin = !gstin.is_empty() && !gstin.eq_ignore_ascii_case("NA");
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Ok(ClientRow {
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id: None,
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client: Client {
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id: None,
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name: inv.client_name.clone(),
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address: inv.client_address.clone(),
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gstin: inv.client_gstin.clone(),
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state_code: String::new(),
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po_number: String::new(),
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created_at: String::new(),
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address_line1: String::new(),
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address_line2: String::new(),
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city: String::new(),
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pincode: String::new(),
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gst_category: if has_gstin { "registered_regular" } else { "unregistered" }.into(),
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default_notes: String::new(),
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payment_terms_days: None,
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invoice_count: 0,
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},
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customer: None,
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address: None,
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})
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}
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/// Invoice rows are matched to item presets by description (case-insensitive) to find their ERPNext item code.
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fn load_item_codes(conn: &Connection, inv: &Invoice) -> Result<Vec<Option<String>>, String> {
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let mut stmt = conn
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.prepare(
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"SELECT description, erpnext_item_code FROM item_presets
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WHERE erpnext_item_code IS NOT NULL AND trim(erpnext_item_code) <> '' ORDER BY id DESC",
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)
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.map_err(|e| e.to_string())?;
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let mut by_desc: HashMap<String, String> = HashMap::new();
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let rows = stmt
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.query_map([], |r| Ok((r.get::<_, String>(0)?, r.get::<_, String>(1)?)))
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.map_err(|e| e.to_string())?;
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for row in rows {
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let (desc, code) = row.map_err(|e| e.to_string())?;
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// ORDER BY id DESC: the oldest preset wins on a repeated description.
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by_desc.insert(desc.trim().to_lowercase(), code.trim().to_string());
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}
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Ok(inv.items.iter().map(|i| by_desc.get(&i.description.trim().to_lowercase()).cloned()).collect())
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}
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fn load_for_push(db: &Db, local_dir: &Path, invoice_id: i64) -> Result<Loaded, (String, ErpError)> {
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let conn = db
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.lock()
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.map_err(|e| (String::new(), pre(format!("The database is busy: {e}"))))?;
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let invoice = get_invoice_impl(&conn, invoice_id).map_err(|e| (String::new(), pre(e)))?;
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let number = invoice.number.clone();
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let fail = |e: ErpError| (number.clone(), e);
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match invoice.status.as_str() {
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"issued" => {}
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"cancelled" => {
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return Err(fail(pre(format!(
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"Invoice {number} is cancelled, so it is not sent to ERPNext. Cancelled invoices are never pushed."
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))))
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}
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other => {
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return Err(fail(pre(format!(
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"Invoice {number} is a {other}; only issued invoices are sent to ERPNext."
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))))
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}
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}
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let cfg = config::load(&conn).map_err(|e| fail(pre(e)))?;
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let vendor = Vendor::from_snapshot(&invoice.vendor_snapshot)
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.ok_or_else(|| fail(pre(format!("Invoice {number} has no supplier details recorded, so it cannot be sent."))))?;
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let client = load_client(&conn, &invoice).map_err(|e| fail(pre(e)))?;
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let item_codes = load_item_codes(&conn, &invoice).map_err(|e| fail(pre(e)))?;
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let sync = load_sync(&conn, invoice_id).map_err(|e| fail(pre(e)))?;
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let (mut pdf, mut pdf_warning) = (None, None);
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if cfg.attach_pdf {
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match invoice.archived_pdf_sha256.as_deref() {
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None => {
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pdf_warning = Some(format!(
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"Invoice {number} is not archived, so it was sent without its PDF. Export it once, then push again to attach it."
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))
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}
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Some(sha) => match read_archive_impl(&conn, local_dir, invoice_id) {
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Ok(bytes) => pdf = Some(Pdf { sha256: sha.to_string(), bytes }),
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Err(e) => pdf_warning = Some(format!("The PDF could not be attached: {e}.")),
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},
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}
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}
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let india_compliance = serde_json::from_str::<Value>(&cfg.last_detect_result)
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.ok()
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.and_then(|v| v.get("indiaCompliance").and_then(Value::as_bool))
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.unwrap_or(false);
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Ok(Loaded { cfg, invoice, vendor, client, item_codes, sync, pdf, pdf_warning, india_compliance })
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}
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// ---- address checks (local, before anything is sent) ----
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/// First two PIN digits that belong to each GST state code. Deliberately a little generous at the borders
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/// (postal circles and states do not line up exactly); it only catches obvious mismatches.
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fn pin_prefixes(state_code: &str) -> Option<&'static [&'static str]> {
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Some(match state_code {
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"01" => &["18", "19"],
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"02" => &["17"],
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"03" => &["14", "15", "16"],
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"04" => &["16"],
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"05" => &["24", "25", "26"],
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"06" => &["12", "13"],
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"07" => &["11"],
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"08" => &["30", "31", "32", "33", "34"],
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"09" => &["20", "21", "22", "23", "24", "25", "26", "27", "28"],
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"10" => &["80", "81", "82", "83", "84", "85"],
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"11" => &["73", "75"],
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"12" | "13" | "14" | "15" | "16" | "17" => &["79"],
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"18" => &["78"],
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"19" => &["70", "71", "72", "73", "74"],
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"20" => &["81", "82", "83"],
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"21" => &["75", "76", "77"],
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"22" => &["49"],
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"23" => &["45", "46", "47", "48"],
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"24" => &["36", "37", "38", "39"],
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"26" => &["39"],
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"27" => &["40", "41", "42", "43", "44"],
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"29" => &["56", "57", "58", "59"],
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"30" => &["40"],
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"31" => &["68"],
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"32" => &["67", "68", "69"],
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"33" => &["60", "61", "62", "63", "64"],
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"34" => &["53", "60", "67"],
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"35" => &["74"],
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"36" => &["50", "51", "52"],
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"37" => &["50", "51", "52", "53"],
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"38" => &["19"],
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_ => return None,
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})
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}
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|
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fn gstin_applies(client: &Client) -> bool {
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let g = client.gstin.trim();
|
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!g.is_empty()
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&& !g.eq_ignore_ascii_case("NA")
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&& matches!(client.gst_category.as_str(), "registered_regular" | "composition" | "sez")
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}
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|
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/// The checks India Compliance would make on an Address, done here so the error is readable and local.
|
|
pub fn validate_address(client: &Client) -> Result<(), String> {
|
|
let state_code = client.state_code.trim();
|
|
let state_name = mapping::state_name(state_code).unwrap_or("that state");
|
|
let pin = client.pincode.trim();
|
|
if !pin.is_empty() {
|
|
if pin.len() != 6 || !pin.bytes().all(|b| b.is_ascii_digit()) || pin.starts_with('0') {
|
|
return Err(format!("{}: the PIN code \"{pin}\" is not a valid 6-digit PIN.", client.name.trim()));
|
|
}
|
|
if let Some(allowed) = pin_prefixes(state_code) {
|
|
if !allowed.iter().any(|p| pin.starts_with(p)) {
|
|
return Err(format!(
|
|
"{}: the PIN code {pin} does not belong to {state_name}. Fix the client's address before sending.",
|
|
client.name.trim()
|
|
));
|
|
}
|
|
}
|
|
}
|
|
if gstin_applies(client) && !state_code.is_empty() {
|
|
let gstin = client.gstin.trim().to_ascii_uppercase();
|
|
if gstin.len() >= 2 && &gstin[0..2] != state_code {
|
|
return Err(format!(
|
|
"{}: the GSTIN {gstin} starts with state code {}, but the address state is {state_name} ({state_code}).",
|
|
client.name.trim(),
|
|
&gstin[0..2]
|
|
));
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
// ---- remote steps ----
|
|
|
|
fn doc_name(response: &Value) -> Option<String> {
|
|
response
|
|
.get("data")
|
|
.and_then(|d| d.get("name"))
|
|
.and_then(Value::as_str)
|
|
.map(str::trim)
|
|
.filter(|n| !n.is_empty())
|
|
.map(str::to_string)
|
|
}
|
|
|
|
fn doc_docstatus(doc: &Value) -> i64 {
|
|
doc.get("docstatus").and_then(Value::as_i64).unwrap_or(0)
|
|
}
|
|
|
|
fn doc_total_paise(doc: &Value) -> Option<i64> {
|
|
let v = doc.get("grand_total")?;
|
|
let n = v.as_f64().or_else(|| v.as_str().and_then(|s| s.trim().parse().ok()))?;
|
|
Some(gst::rupees_to_paise(n))
|
|
}
|
|
|
|
async fn ensure_customer(db: &Db, http: &ErpClient, l: &Loaded) -> Result<String, ErpError> {
|
|
if let Some(c) = &l.client.customer {
|
|
return Ok(c.clone());
|
|
}
|
|
let client = &l.client.client;
|
|
let name = client.name.trim();
|
|
let mut found: Option<String> = None;
|
|
if l.india_compliance && gstin_applies(client) {
|
|
let rows = http
|
|
.list_resource(
|
|
"Customer",
|
|
&["name"],
|
|
json!([["gstin", "=", client.gstin.trim().to_ascii_uppercase()]]),
|
|
"creation asc",
|
|
)
|
|
.await?;
|
|
found = rows.first().and_then(|r| r.get("name")).and_then(Value::as_str).map(str::to_string);
|
|
}
|
|
if found.is_none() {
|
|
let rows = http
|
|
.list_resource("Customer", &["name"], json!([["customer_name", "=", name]]), "creation asc")
|
|
.await?;
|
|
found = rows.first().and_then(|r| r.get("name")).and_then(Value::as_str).map(str::to_string);
|
|
}
|
|
let customer = match found {
|
|
Some(c) => c,
|
|
None => {
|
|
if !l.cfg.create_missing_customers {
|
|
return Err(pre(format!(
|
|
"The customer \"{name}\" does not exist in ERPNext, and creating customers is switched off in the ERPNext settings."
|
|
)));
|
|
}
|
|
let req = build_customer(client, &l.cfg, l.india_compliance).map_err(pre)?;
|
|
let resp = http.post(req.path, &req.body, req.idempotent).await?;
|
|
// A duplicate name comes back as "X - 1": always use what the server returned.
|
|
doc_name(&resp).ok_or_else(|| ErpError::protocol("ERPNext did not return the new customer's name."))?
|
|
}
|
|
};
|
|
if let Some(id) = l.client.id {
|
|
with_db(db, |c| {
|
|
c.execute("UPDATE clients SET erpnext_customer = ?1 WHERE id = ?2", params![customer, id])
|
|
.map(|_| ())
|
|
.map_err(|e| e.to_string())
|
|
})?;
|
|
}
|
|
Ok(customer)
|
|
}
|
|
|
|
/// Returns the address name and, when none could be made, a warning.
|
|
async fn ensure_address(
|
|
db: &Db,
|
|
http: &ErpClient,
|
|
l: &Loaded,
|
|
customer: &str,
|
|
) -> Result<(Option<String>, Option<String>), ErpError> {
|
|
if let Some(a) = &l.client.address {
|
|
return Ok((Some(a.clone()), None));
|
|
}
|
|
let client = &l.client.client;
|
|
let Some(client_id) = l.client.id else {
|
|
return Ok((
|
|
None,
|
|
Some("The client is not saved, so the invoice was sent without a customer address.".into()),
|
|
));
|
|
};
|
|
let has_address = [&client.address_line1, &client.address, &client.city, &client.pincode]
|
|
.iter()
|
|
.any(|s| !s.trim().is_empty());
|
|
if !has_address {
|
|
return Ok((
|
|
None,
|
|
Some(format!("{} has no address saved, so the invoice was sent without a customer address.", client.name.trim())),
|
|
));
|
|
}
|
|
validate_address(client).map_err(pre)?;
|
|
let req = build_address(client, customer, l.india_compliance).map_err(pre)?;
|
|
let resp = http.post(req.path, &req.body, req.idempotent).await?;
|
|
let name = doc_name(&resp).ok_or_else(|| ErpError::protocol("ERPNext did not return the new address's name."))?;
|
|
with_db(db, |c| {
|
|
c.execute("UPDATE clients SET erpnext_address = ?1 WHERE id = ?2", params![name, client_id])
|
|
.map(|_| ())
|
|
.map_err(|e| e.to_string())
|
|
})?;
|
|
Ok((Some(name), None))
|
|
}
|
|
|
|
struct RemoteDoc {
|
|
name: String,
|
|
docstatus: i64,
|
|
created: bool,
|
|
}
|
|
|
|
/// An existing remote document is only accepted when its total equals Voiced's; anything else is a
|
|
/// conflict that is reported and never overwritten.
|
|
fn accept_existing(name: &str, doc: &Value, inv: &Invoice) -> Result<RemoteDoc, ErpError> {
|
|
let docstatus = doc_docstatus(doc);
|
|
if docstatus == 2 {
|
|
return Err(ErpError::new(
|
|
ErrorKind::Conflict,
|
|
format!("ERPNext already has {name} for invoice {}, but it was cancelled there. Resolve it in ERPNext first.", inv.number),
|
|
));
|
|
}
|
|
let ours = gst::rupees_to_paise(inv.total);
|
|
match doc_total_paise(doc) {
|
|
Some(theirs) if theirs == ours => Ok(RemoteDoc { name: name.to_string(), docstatus, created: false }),
|
|
Some(theirs) => Err(ErpError::new(
|
|
ErrorKind::Conflict,
|
|
format!(
|
|
"ERPNext already has {name} for invoice {}, but its total is {} and Voiced's is {}. Voiced does not overwrite it: fix or delete the ERPNext document, then push again.",
|
|
inv.number,
|
|
paise_to_decimal(theirs),
|
|
paise_to_decimal(ours)
|
|
),
|
|
)),
|
|
None => Err(ErpError::new(
|
|
ErrorKind::Conflict,
|
|
format!("ERPNext already has {name} for invoice {}, but its total could not be read to compare.", inv.number),
|
|
)),
|
|
}
|
|
}
|
|
|
|
async fn find_by_remarks(http: &ErpClient, l: &Loaded) -> Result<Option<RemoteDoc>, ErpError> {
|
|
let marker = remarks_marker(&l.invoice.number);
|
|
let rows = http
|
|
.list_resource(
|
|
DOCTYPE_INVOICE,
|
|
&["name", "docstatus", "grand_total", "remarks"],
|
|
json!([["remarks", "like", format!("{marker}%")], ["docstatus", "!=", 2]]),
|
|
"creation asc",
|
|
)
|
|
.await?;
|
|
// "like" is a prefix match: "INV/2026-001" must not pick up "INV/2026-0010".
|
|
let hit = rows.iter().find(|r| {
|
|
let remarks = r.get("remarks").and_then(Value::as_str).unwrap_or("");
|
|
remarks == marker || remarks.starts_with(&format!("{marker}\n"))
|
|
});
|
|
match hit {
|
|
Some(doc) => {
|
|
let name = doc.get("name").and_then(Value::as_str).unwrap_or_default();
|
|
accept_existing(name, doc, &l.invoice).map(Some)
|
|
}
|
|
None => Ok(None),
|
|
}
|
|
}
|
|
|
|
async fn create_or_find(http: &ErpClient, l: &Loaded, body: &mapping::BuiltRequest) -> Result<RemoteDoc, ErpError> {
|
|
let inv = &l.invoice;
|
|
if l.cfg.naming_mode == NamingMode::Series {
|
|
if let Some(found) = find_by_remarks(http, l).await? {
|
|
return Ok(found);
|
|
}
|
|
}
|
|
match http.post(body.path, &body.body, body.idempotent).await {
|
|
Ok(resp) => {
|
|
let doc = resp.get("data").cloned().unwrap_or(Value::Null);
|
|
let name = match (doc_name(&resp), l.cfg.naming_mode) {
|
|
(Some(n), _) => n,
|
|
(None, NamingMode::Mirror) => inv.number.clone(),
|
|
(None, NamingMode::Series) => {
|
|
return Err(ErpError::protocol("ERPNext did not return the new Sales Invoice's name."))
|
|
}
|
|
};
|
|
Ok(RemoteDoc { name, docstatus: doc_docstatus(&doc), created: true })
|
|
}
|
|
Err(e) if e.kind == ErrorKind::Duplicate && l.cfg.naming_mode == NamingMode::Mirror => {
|
|
// The mirrored name is taken: either a repeat of an earlier push or someone else's document.
|
|
let mut path: Vec<&str> = SALES_INVOICE_V2.to_vec();
|
|
path.push(&inv.number);
|
|
match http.get(&path, &[]).await {
|
|
Ok(resp) => {
|
|
let doc = resp.get("data").cloned().unwrap_or(Value::Null);
|
|
accept_existing(&inv.number, &doc, inv)
|
|
}
|
|
Err(_) => Err(e),
|
|
}
|
|
}
|
|
Err(e) => Err(e),
|
|
}
|
|
}
|
|
|
|
/// `POST .../method/submit` on API v2 (mirror mode needs v2 anyway); series mode uses the v1 `run_method` form.
|
|
/// Never `frappe.client.submit`, which overwrites the whole document.
|
|
async fn submit_remote(http: &ErpClient, cfg: &ErpnextConfig, name: &str) -> Result<i64, ErpError> {
|
|
let resp = match cfg.naming_mode {
|
|
NamingMode::Mirror => {
|
|
let mut path: Vec<&str> = SALES_INVOICE_V2.to_vec();
|
|
path.extend([name, "method", "submit"]);
|
|
http.post(&path, &json!({}), false).await?
|
|
}
|
|
NamingMode::Series => {
|
|
http.post(&["api", "resource", DOCTYPE_INVOICE, name], &json!({ "run_method": "submit" }), false).await?
|
|
}
|
|
};
|
|
// A 2xx without a docstatus is taken as submitted; one that says otherwise is not.
|
|
match resp.get("data").and_then(|d| d.get("docstatus")).and_then(Value::as_i64) {
|
|
Some(1) | None => Ok(1),
|
|
Some(other) => Err(ErpError::protocol(format!(
|
|
"ERPNext accepted the submit request but the document is still at docstatus {other}."
|
|
))),
|
|
}
|
|
}
|
|
|
|
fn attachment_file_name(number: &str) -> String {
|
|
let cleaned: String = number
|
|
.chars()
|
|
.map(|c| if c.is_ascii_alphanumeric() || matches!(c, '-' | '_' | '.') { c } else { '-' })
|
|
.collect();
|
|
let cleaned = cleaned.trim_matches('-');
|
|
format!("{}.pdf", if cleaned.is_empty() { "invoice" } else { cleaned })
|
|
}
|
|
|
|
async fn attach_pdf(http: &ErpClient, l: &Loaded, remote_name: &str, pdf: &Pdf) -> Result<(), ErpError> {
|
|
let file_name = attachment_file_name(&l.invoice.number);
|
|
let fields = [
|
|
("doctype", DOCTYPE_INVOICE.to_string()),
|
|
("docname", remote_name.to_string()),
|
|
("is_private", "1".to_string()),
|
|
];
|
|
let resp = http
|
|
.post_file(
|
|
&["api", "method", "upload_file"],
|
|
&Upload { file_name: &file_name, mime: "application/pdf", bytes: &pdf.bytes, fields: &fields },
|
|
)
|
|
.await?;
|
|
let ok = resp.get("message").map(|m| m.get("name").is_some() || m.get("file_url").is_some()).unwrap_or(false);
|
|
if ok {
|
|
Ok(())
|
|
} else {
|
|
Err(ErpError::protocol("ERPNext did not confirm the PDF upload."))
|
|
}
|
|
}
|
|
|
|
// ---- the invoice push ----
|
|
|
|
#[derive(Default)]
|
|
struct Progress {
|
|
step: &'static str,
|
|
remote_name: String,
|
|
remote_docstatus: i64,
|
|
payload_hash: String,
|
|
attachment_sha256: String,
|
|
created: bool,
|
|
no_op: bool,
|
|
warnings: Vec<String>,
|
|
}
|
|
|
|
fn persist(db: &Db, invoice_id: i64, prev: Option<&SyncRow>, st: &Progress, status: &str, error: &str) -> Result<(), ErpError> {
|
|
let synced_at = if status == "synced" {
|
|
Some(chrono::Utc::now().to_rfc3339())
|
|
} else {
|
|
prev.and_then(|p| p.synced_at.clone())
|
|
};
|
|
let row = SyncRow {
|
|
remote_name: st.remote_name.clone(),
|
|
remote_docstatus: st.remote_docstatus,
|
|
status: status.to_string(),
|
|
last_error: error.to_string(),
|
|
payload_hash: st.payload_hash.clone(),
|
|
synced_at,
|
|
attachment_sha256: st.attachment_sha256.clone(),
|
|
};
|
|
with_db(db, |c| write_sync(c, invoice_id, &row))
|
|
}
|
|
|
|
/// The message shown to the user: which step failed, then the error's own readable text. Local refusals and
|
|
/// conflicts already say what is wrong and get no prefix.
|
|
fn failure_text(step: &str, e: &ErpError) -> String {
|
|
if step.is_empty() || matches!(e.kind, ErrorKind::Config | ErrorKind::Precondition | ErrorKind::Conflict) {
|
|
e.to_string()
|
|
} else {
|
|
format!("Could not {step}: {e}")
|
|
}
|
|
}
|
|
|
|
async fn run_push(db: &Db, http: &ErpClient, l: &Loaded, want_submit: bool, st: &mut Progress) -> Result<(), ErpError> {
|
|
let inv = &l.invoice;
|
|
let cfg = &l.cfg;
|
|
let prev = l.sync.as_ref();
|
|
// A row with a remote name (synced, or failed after the document was created) is the same remote document;
|
|
// a conflict row is re-checked from scratch.
|
|
let existing = prev.filter(|s| !s.remote_name.is_empty() && s.status != "conflict");
|
|
if let Some(p) = prev {
|
|
st.remote_name = p.remote_name.clone();
|
|
st.remote_docstatus = p.remote_docstatus;
|
|
st.payload_hash = p.payload_hash.clone();
|
|
st.attachment_sha256 = p.attachment_sha256.clone();
|
|
}
|
|
|
|
st.step = "look up or create the Customer";
|
|
let customer = ensure_customer(db, http, l).await?;
|
|
st.step = "create the Address";
|
|
let (address, address_warning) = ensure_address(db, http, l, &customer).await?;
|
|
st.warnings.extend(address_warning);
|
|
|
|
st.step = "";
|
|
let ctx = InvoiceContext {
|
|
invoice: inv,
|
|
config: cfg,
|
|
vendor: &l.vendor,
|
|
customer: &customer,
|
|
customer_address: address.as_deref(),
|
|
item_codes: &l.item_codes,
|
|
india_compliance: l.india_compliance,
|
|
submit: false,
|
|
};
|
|
let built = build_sales_invoice(&ctx).map_err(pre)?;
|
|
// serde_json keeps object keys sorted, so the serialisation (and the hash) is stable.
|
|
let hash = sha256_hex(built.body.to_string().as_bytes());
|
|
|
|
match existing {
|
|
Some(p) => {
|
|
if p.payload_hash.is_empty() {
|
|
st.payload_hash = hash;
|
|
} else if p.payload_hash != hash {
|
|
st.warnings.push(
|
|
"The settings or client details changed since this invoice was sent. The ERPNext document was left as it is."
|
|
.into(),
|
|
);
|
|
}
|
|
}
|
|
None => {
|
|
st.payload_hash = hash;
|
|
st.step = "create the Sales Invoice";
|
|
let doc = create_or_find(http, l, &built).await?;
|
|
st.remote_name = doc.name;
|
|
st.remote_docstatus = doc.docstatus;
|
|
st.created = doc.created;
|
|
// Keep the remote name even if the next steps fail.
|
|
persist(db, inv.id, prev, st, "synced", "")?;
|
|
}
|
|
}
|
|
|
|
let need_submit = want_submit && st.remote_docstatus == 0;
|
|
let pdf = l.pdf.as_ref().filter(|p| p.sha256 != st.attachment_sha256);
|
|
if let (Some(w), None) = (&l.pdf_warning, &l.pdf) {
|
|
st.warnings.push(w.clone());
|
|
}
|
|
if existing.is_some() && prev.is_some_and(|p| p.status == "synced") && !need_submit && pdf.is_none() {
|
|
st.no_op = true;
|
|
return Ok(());
|
|
}
|
|
|
|
if need_submit {
|
|
st.step = "submit the Sales Invoice";
|
|
st.remote_docstatus = submit_remote(http, cfg, &st.remote_name.clone()).await?;
|
|
persist(db, inv.id, prev, st, "synced", "")?;
|
|
}
|
|
if let Some(pdf) = pdf {
|
|
st.step = "attach the PDF";
|
|
match attach_pdf(http, l, &st.remote_name.clone(), pdf).await {
|
|
Ok(()) => st.attachment_sha256 = pdf.sha256.clone(),
|
|
// The invoice itself is in ERPNext; a failed upload is a warning, retried by the next push.
|
|
Err(e) => st.warnings.push(format!("The PDF was not attached: {e}")),
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn push_invoice(db: &Db, local_dir: &Path, http: &ErpClient, invoice_id: i64, submit: Option<bool>) -> PushResult {
|
|
let loaded = match load_for_push(db, local_dir, invoice_id) {
|
|
Ok(l) => l,
|
|
Err((number, e)) => return PushResult::refused(invoice_id, &number, e),
|
|
};
|
|
let want_submit = submit.unwrap_or(loaded.cfg.submit_on_push);
|
|
let mut st = Progress::default();
|
|
let outcome = run_push(db, http, &loaded, want_submit, &mut st).await;
|
|
let number = loaded.invoice.number.clone();
|
|
let prev = loaded.sync.as_ref();
|
|
|
|
let (error, status): (Option<(ErpError, String)>, &str) = match outcome {
|
|
Ok(()) => {
|
|
let write = if st.no_op { Ok(()) } else { persist(db, invoice_id, prev, &st, "synced", "") };
|
|
match write {
|
|
Ok(()) => (None, "synced"),
|
|
Err(e) => {
|
|
let text = e.to_string();
|
|
(Some((e, text)), "error")
|
|
}
|
|
}
|
|
}
|
|
Err(e) => {
|
|
let text = failure_text(st.step, &e);
|
|
let status = if e.kind == ErrorKind::Conflict { "conflict" } else { "error" };
|
|
// Best effort: the original error is what the caller needs to see.
|
|
let _ = persist(db, invoice_id, prev, &st, status, &text);
|
|
(Some((e, text)), status)
|
|
}
|
|
};
|
|
PushResult {
|
|
invoice_id,
|
|
number,
|
|
ok: error.is_none(),
|
|
status: status.to_string(),
|
|
remote_name: st.remote_name,
|
|
remote_docstatus: st.remote_docstatus,
|
|
created: st.created,
|
|
no_op: st.no_op,
|
|
attached: !st.attachment_sha256.is_empty(),
|
|
error: error.as_ref().map(|(_, t)| t.clone()),
|
|
error_kind: error.as_ref().map(|(e, _)| e.kind),
|
|
warnings: st.warnings,
|
|
}
|
|
}
|
|
|
|
/// Pushes one invoice after another; a failing row never stops the rest.
|
|
pub async fn push_invoices(
|
|
db: &Db,
|
|
local_dir: &Path,
|
|
http: &ErpClient,
|
|
ids: &[i64],
|
|
submit: Option<bool>,
|
|
) -> Vec<PushResult> {
|
|
let mut seen = std::collections::HashSet::new();
|
|
let mut out = Vec::with_capacity(ids.len());
|
|
for &id in ids {
|
|
if seen.insert(id) {
|
|
out.push(push_invoice(db, local_dir, http, id, submit).await);
|
|
}
|
|
}
|
|
out
|
|
}
|
|
|
|
// ---- payments ----
|
|
|
|
pub struct PaymentEntryInput<'a> {
|
|
pub payment_id: i64,
|
|
pub invoice_number: &'a str,
|
|
pub remote_invoice: &'a str,
|
|
pub paid_on: &'a str,
|
|
pub reference: &'a str,
|
|
/// Cash received.
|
|
pub cash_paise: i64,
|
|
pub tds_paise: i64,
|
|
pub tds_account: &'a str,
|
|
pub cost_center: &'a str,
|
|
}
|
|
|
|
/// Turns the unsaved dict from `get_payment_entry` into the Payment Entry to insert and submit.
|
|
///
|
|
/// UNVERIFIED against a live ERPNext (check in F4): the deduction row fields (`account`, `cost_center`,
|
|
/// `amount`), the sign ERPNext expects for a TDS deduction on a receipt, and whether `allocated_amount` must be
|
|
/// cash plus TDS for the difference amount to come out zero. Everything that depends on those guesses is here.
|
|
pub fn build_payment_entry(draft: &Value, p: &PaymentEntryInput) -> Result<Value, String> {
|
|
let mut doc: Map<String, Value> = draft.as_object().cloned().ok_or("ERPNext returned an unexpected payment draft.")?;
|
|
doc.retain(|k, _| !k.starts_with("__"));
|
|
doc.insert("doctype".into(), json!("Payment Entry"));
|
|
doc.insert("posting_date".into(), json!(p.paid_on));
|
|
let reference = if p.reference.trim().is_empty() { format!("Voiced payment {}", p.payment_id) } else { p.reference.trim().to_string() };
|
|
doc.insert("reference_no".into(), json!(reference));
|
|
doc.insert("reference_date".into(), json!(p.paid_on));
|
|
doc.insert("paid_amount".into(), mapping::money(p.cash_paise));
|
|
doc.insert("received_amount".into(), mapping::money(p.cash_paise));
|
|
doc.insert("remarks".into(), json!(format!("Voiced payment {} for invoice {}", p.payment_id, p.invoice_number)));
|
|
|
|
let allocated = mapping::money(p.cash_paise + p.tds_paise);
|
|
let refs = doc.get_mut("references").and_then(Value::as_array_mut).ok_or("ERPNext returned no invoice reference for this payment.")?;
|
|
let target = refs
|
|
.iter_mut()
|
|
.find(|r| r.get("reference_name").and_then(Value::as_str) == Some(p.remote_invoice))
|
|
.ok_or_else(|| format!("ERPNext's payment draft does not reference {}.", p.remote_invoice))?;
|
|
target["allocated_amount"] = allocated;
|
|
|
|
let deductions = if p.tds_paise > 0 {
|
|
let mut row = Map::new();
|
|
row.insert("account".into(), json!(p.tds_account));
|
|
if !p.cost_center.trim().is_empty() {
|
|
row.insert("cost_center".into(), json!(p.cost_center.trim()));
|
|
}
|
|
row.insert("amount".into(), mapping::money(p.tds_paise));
|
|
vec![Value::Object(row)]
|
|
} else {
|
|
Vec::new()
|
|
};
|
|
doc.insert("deductions".into(), Value::Array(deductions));
|
|
doc.insert("docstatus".into(), json!(1));
|
|
Ok(Value::Object(doc))
|
|
}
|
|
|
|
struct PaymentRow {
|
|
invoice_id: i64,
|
|
paid_on: String,
|
|
amount_paise: i64,
|
|
tds_paise: i64,
|
|
reference: String,
|
|
entry: Option<String>,
|
|
}
|
|
|
|
fn payment_failure(payment_id: i64, invoice_id: i64, step: &str, e: ErpError) -> PaymentPushResult {
|
|
PaymentPushResult {
|
|
payment_id,
|
|
invoice_id,
|
|
ok: false,
|
|
entry_name: None,
|
|
already_synced: false,
|
|
error: Some(failure_text(step, &e)),
|
|
error_kind: Some(e.kind),
|
|
}
|
|
}
|
|
|
|
pub async fn push_payment(db: &Db, http: &ErpClient, payment_id: i64) -> PaymentPushResult {
|
|
let loaded = with_db(db, |conn| {
|
|
let row = conn
|
|
.query_row(
|
|
"SELECT invoice_id, paid_on, amount_paise, tds_paise, reference, erpnext_payment_entry
|
|
FROM payments WHERE id = ?1",
|
|
params![payment_id],
|
|
|r| {
|
|
Ok(PaymentRow {
|
|
invoice_id: r.get(0)?,
|
|
paid_on: r.get(1)?,
|
|
amount_paise: r.get(2)?,
|
|
tds_paise: r.get(3)?,
|
|
reference: r.get(4)?,
|
|
entry: r.get::<_, Option<String>>(5)?.filter(|e| !e.trim().is_empty()),
|
|
})
|
|
},
|
|
)
|
|
.optional()
|
|
.map_err(|e| e.to_string())?
|
|
.ok_or_else(|| "Payment not found".to_string())?;
|
|
let number: String = conn
|
|
.query_row("SELECT number FROM invoices WHERE id = ?1", params![row.invoice_id], |r| r.get(0))
|
|
.map_err(|e| e.to_string())?;
|
|
let sync = load_sync(conn, row.invoice_id)?;
|
|
let cfg = config::load(conn)?;
|
|
Ok((row, number, sync, cfg))
|
|
});
|
|
let (row, number, sync, cfg) = match loaded {
|
|
Ok(v) => v,
|
|
Err(e) => return payment_failure(payment_id, 0, "", e),
|
|
};
|
|
let fail = |e: ErpError| payment_failure(payment_id, row.invoice_id, "", e);
|
|
|
|
if let Some(entry) = &row.entry {
|
|
return PaymentPushResult {
|
|
payment_id,
|
|
invoice_id: row.invoice_id,
|
|
ok: true,
|
|
entry_name: Some(entry.clone()),
|
|
already_synced: true,
|
|
error: None,
|
|
error_kind: None,
|
|
};
|
|
}
|
|
let remote_invoice = match sync {
|
|
// A later unrelated failure may have flipped the row to `error`; the remote document is still submitted.
|
|
Some(s) if !s.remote_name.is_empty() && s.status != "conflict" && s.remote_docstatus == 1 => s.remote_name,
|
|
Some(s) if !s.remote_name.is_empty() => {
|
|
return fail(pre(format!(
|
|
"Invoice {number} is not submitted in ERPNext yet. Submit the invoice in ERPNext first (or push it again with \"submit\" on), then send the payment."
|
|
)))
|
|
}
|
|
_ => {
|
|
return fail(pre(format!(
|
|
"Invoice {number} has not been sent to ERPNext. Send it first, and submit it, then send the payment."
|
|
)))
|
|
}
|
|
};
|
|
if cfg.payment_bank_account.trim().is_empty() {
|
|
return fail(pre("Set the payment bank account in the ERPNext settings first."));
|
|
}
|
|
if row.tds_paise > 0 && cfg.tds_account.trim().is_empty() {
|
|
return fail(pre("This payment has TDS: set the TDS account in the ERPNext settings first."));
|
|
}
|
|
|
|
let query = [
|
|
("dt", DOCTYPE_INVOICE.to_string()),
|
|
("dn", remote_invoice.clone()),
|
|
("bank_account", cfg.payment_bank_account.trim().to_string()),
|
|
("party_amount", paise_to_decimal(row.amount_paise + row.tds_paise)),
|
|
];
|
|
let draft = match http.get(&["api", "method", GET_PAYMENT_ENTRY], &query).await {
|
|
Ok(v) => v.get("message").cloned().unwrap_or(Value::Null),
|
|
Err(e) => return payment_failure(payment_id, row.invoice_id, "prepare the Payment Entry", e),
|
|
};
|
|
let body = match build_payment_entry(
|
|
&draft,
|
|
&PaymentEntryInput {
|
|
payment_id,
|
|
invoice_number: &number,
|
|
remote_invoice: &remote_invoice,
|
|
paid_on: &row.paid_on,
|
|
reference: &row.reference,
|
|
cash_paise: row.amount_paise,
|
|
tds_paise: row.tds_paise,
|
|
tds_account: cfg.tds_account.trim(),
|
|
cost_center: &cfg.cost_center,
|
|
},
|
|
) {
|
|
Ok(b) => b,
|
|
Err(e) => return fail(ErpError::protocol(e)),
|
|
};
|
|
// Not retried after a 5xx or timeout: it may have been created, and a second entry would double-count.
|
|
let resp = match http.post(&["api", "resource", "Payment Entry"], &body, false).await {
|
|
Ok(v) => v,
|
|
Err(e) => return payment_failure(payment_id, row.invoice_id, "create the Payment Entry", e),
|
|
};
|
|
let Some(name) = doc_name(&resp) else {
|
|
return fail(ErpError::protocol("ERPNext did not return the new Payment Entry's name."));
|
|
};
|
|
if let Err(e) = with_db(db, |c| {
|
|
c.execute("UPDATE payments SET erpnext_payment_entry = ?1 WHERE id = ?2", params![name, payment_id])
|
|
.map(|_| ())
|
|
.map_err(|e| e.to_string())
|
|
}) {
|
|
return fail(e);
|
|
}
|
|
PaymentPushResult {
|
|
payment_id,
|
|
invoice_id: row.invoice_id,
|
|
ok: true,
|
|
entry_name: Some(name),
|
|
already_synced: false,
|
|
error: None,
|
|
error_kind: None,
|
|
}
|
|
}
|
|
|
|
// ---- the sink ----
|
|
|
|
/// `InvoiceSink` for ERPNext. The commands call `push_invoice`/`push_payment` above for the richer results;
|
|
/// the trait is the seam other targets implement.
|
|
pub struct ErpnextSink<'a> {
|
|
pub db: &'a Db,
|
|
pub local_dir: &'a Path,
|
|
pub http: &'a ErpClient,
|
|
}
|
|
|
|
impl InvoiceSink for ErpnextSink<'_> {
|
|
fn id(&self) -> &'static str {
|
|
"erpnext"
|
|
}
|
|
|
|
fn push_invoice<'a>(
|
|
&'a self,
|
|
request: PushRequest,
|
|
) -> impl std::future::Future<Output = Result<PushedInvoice, String>> + Send + 'a {
|
|
async move {
|
|
let r = push_invoice(self.db, self.local_dir, self.http, request.invoice_id, request.submit).await;
|
|
if r.ok {
|
|
Ok(PushedInvoice {
|
|
remote_name: r.remote_name,
|
|
remote_docstatus: r.remote_docstatus,
|
|
created: r.created,
|
|
warnings: r.warnings,
|
|
})
|
|
} else {
|
|
Err(r.error.unwrap_or_else(|| "The push failed.".into()))
|
|
}
|
|
}
|
|
}
|
|
|
|
fn push_payment<'a>(
|
|
&'a self,
|
|
request: PaymentRequest,
|
|
) -> impl std::future::Future<Output = Result<PushedPayment, String>> + Send + 'a {
|
|
async move {
|
|
let r = push_payment(self.db, self.http, request.payment_id).await;
|
|
match (r.ok, r.entry_name) {
|
|
(true, Some(name)) => Ok(PushedPayment { remote_name: name, created: !r.already_synced }),
|
|
_ => Err(r.error.unwrap_or_else(|| "The payment push failed.".into())),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn status(&self, invoice_id: i64) -> Result<SyncStatus, String> {
|
|
let conn = self.db.lock().map_err(|e| e.to_string())?;
|
|
sync_status(&conn, invoice_id)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests;
|