invoice: customer, sequence, preview and issue commands

1 files changed, 518 insertions, 0 deletions

diff --git a/tests/test_core.c b/tests/test_core.c
index a78a940..fa7b5e4 100644
--- a/tests/test_core.c
+++ b/tests/test_core.c
@@ -16,6 +16,7 @@
 #include "client.h"
 #include "config.h"
 #include "db.h"
+#include "invoice.h"
 #include "protocol.h"
 #include "sessions.h"
 #include "util.h"
@@ -2199,6 +2200,523 @@ int main(void)
     CHECK_STR(d, "result.items.0.account", "1940");
     yyjson_doc_free(d);
 
+    /* ---------------- invoicing: customers, sequence, issue ---------- */
+
+    d = call(reqf("{\"v\":1,\"id\":\"300\",\"cmd\":\"settings.get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.invoice_receivable_account", "1510");
+    CHECK_STR(d, "result.invoice_revenue_account", "3001");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"301\",\"cmd\":\"customer.create\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"name\":"
+                  "\"Andra bygg AB\",\"address\":\"Storgatan 1\","
+                  "\"postal_code\":\"171 63\",\"city\":\"Solna\","
+                  "\"vat_nr\":\"SE559232855201\","
+                  "\"email\":\"faktura@andra.se\",\"your_ref\":\"Eric\","
+                  "\"payment_days\":30}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    int64_t cust1 = jint(d, "result.id");
+    CHECK(cust1 > 0);
+    CHECK_STR(d, "result.name", "Andra bygg AB");
+    CHECK_STR(d, "result.city", "Solna");
+    CHECK_STR(d, "result.email", "faktura@andra.se");
+    CHECK(jint(d, "result.payment_days") == 30);
+    CHECK(jbool(d, "result.active"));
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"302\",\"cmd\":\"customer.create\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"name\":"
+                  "\"Andra bygg AB\"}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "CONFLICT");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"303\",\"cmd\":\"customer.create\","
+                  "\"session\":\"%s\",\"org\":%d,\"dry_run\":true,\"args\":"
+                  "{\"name\":\"Tillfällig AB\"}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jbool(d, "result.dry_run"));
+    CHECK_STR(d, "result.name", "Tillfällig AB");
+    CHECK(jint(d, "result.payment_days") == 30);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"304\",\"cmd\":\"customer.create\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"name\":"
+                  "\"NZ Bygg AB\",\"city\":\"Bromma\"}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    int64_t cust2 = jint(d, "result.id");
+    CHECK(cust2 > 0);
+    CHECK(jint(d, "result.payment_days") == 30);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"305\",\"cmd\":\"customer.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.name", "Andra bygg AB");
+    CHECK_STR(d, "result.address", "Storgatan 1");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"306\",\"cmd\":\"customer.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":999999}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"307\",\"cmd\":\"customer.list\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 2);
+    CHECK_STR(d, "result.items.0.name", "Andra bygg AB");
+    CHECK_STR(d, "result.items.1.name", "NZ Bygg AB");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"308\",\"cmd\":\"customer.update\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld,"
+                  "\"city\":\"Sundbyberg\",\"your_ref\":\"Lars\"}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.city", "Sundbyberg");
+    CHECK_STR(d, "result.your_ref", "Lars");
+    CHECK_STR(d, "result.address", "Storgatan 1");
+    CHECK_STR(d, "result.name", "Andra bygg AB");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"309\",\"cmd\":\"customer.update\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld,"
+                  "\"name\":\"Andra bygg AB\"}}",
+                  g_session, (int)org_id, (long long)cust2));
+    CHECK_STR(d, "error.code", "CONFLICT");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"310\",\"cmd\":\"customer.update\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":999999,"
+                  "\"city\":\"X\"}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"311\",\"cmd\":\"customer.update\","
+                  "\"session\":\"%s\",\"org\":%d,\"dry_run\":true,\"args\":"
+                  "{\"id\":%lld,\"city\":\"Nacka\"}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    CHECK(jbool(d, "result.dry_run"));
+    CHECK_STR(d, "result.city", "Nacka");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"312\",\"cmd\":\"customer.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.city", "Sundbyberg");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"313\",\"cmd\":\"customer.archive\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld,"
+                  "\"active\":false}}",
+                  g_session, (int)org_id, (long long)cust2));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.id") == cust2);
+    CHECK(!jbool(d, "result.active"));
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"314\",\"cmd\":\"customer.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":"
+                  "{\"active_only\":true}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 1);
+    CHECK_STR(d, "result.items.0.name", "Andra bygg AB");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"315\",\"cmd\":\"customer.archive\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":999999,"
+                  "\"active\":false}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"320\",\"cmd\":\"invoice.sequence_get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 1);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"321\",\"cmd\":\"invoice.sequence_set\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"next_number\":"
+                  "0}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"322\",\"cmd\":\"invoice.sequence_set\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"next_number\":"
+                  "17761}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 17761);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"323\",\"cmd\":\"invoice.sequence_get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 17761);
+    yyjson_doc_free(d);
+
+    char draft_args[2048];
+    snprintf(draft_args, sizeof draft_args,
+             "{\"customer_id\":%lld,\"invoice_date\":\"2026-09-20\","
+             "\"due_date\":\"2026-10-20\",\"delivery_date\":\"2026-09-20\","
+             "\"your_ref\":\"Lars\",\"our_ref\":\"Anders\",\"notes\":\"\","
+             "\"rows\":[{\"article_no\":\"\",\"description\":"
+             "\"Utvecklingsarbete\",\"quantity\":\"61\",\"unit\":\"tim\","
+             "\"unit_price_ore\":120000,\"note\":\"\",\"vat_code\":\"25\","
+             "\"account\":\"\"}]}",
+             (long long)cust1);
+
+    d = call(reqf("{\"v\":1,\"id\":\"330\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":%s}",
+                  g_session, (int)org_id, draft_args));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.number") == 17761);
+    char number_str[32];
+    snprintf(number_str, sizeof number_str, "%lld",
+             (long long)jint(d, "result.number"));
+    char expect_ocr[40];
+    snprintf(expect_ocr, sizeof expect_ocr, "%s%d", number_str,
+             invoice_ocr_check(number_str));
+    CHECK_STR(d, "result.ocr", expect_ocr);
+    CHECK(jint(d, "result.net_ore") == 7320000);
+    CHECK(jint(d, "result.vat_ore") == 1830000);
+    CHECK(jint(d, "result.total_ore") == 9150000);
+    const char *pdf_b64 = jstr(d, "result.content_base64");
+    char *preview_b64 = pdf_b64 ? xstrdup(pdf_b64) : NULL;
+    CHECK(preview_b64 && strncmp(preview_b64, "JVBERi0", 7) == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"331\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":%s}",
+                  g_session, (int)org_id, draft_args));
+    CHECK_OK(d);
+    CHECK(preview_b64 && jstr(d, "result.content_base64") &&
+          strcmp(jstr(d, "result.content_base64"), preview_b64) == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"332\",\"cmd\":\"invoice.sequence_get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 17761);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"333\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"99\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"334\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1,2345\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"335\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"0\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"336\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "999999,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"337\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id, (long long)cust2));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"337a\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1000\",\"unit_price_ore\":"
+                  "9223372036854775807,\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"337b\",\"cmd\":\"invoice.preview\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                  "\"2026-10-20\",\"rows\":[{\"description\":\"X\","
+                  "\"quantity\":\"1\",\"unit_price_ore\":-1,"
+                  "\"vat_code\":\"25\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    {
+        char rows_json[8192];
+        size_t off = 0;
+        off += (size_t)snprintf(rows_json + off, sizeof rows_json - off, "[");
+        for (int i = 0; i < 20 && off < sizeof rows_json - 256; i++)
+            off += (size_t)snprintf(
+                rows_json + off, sizeof rows_json - off,
+                "%s{\"description\":\"Rad %d\",\"quantity\":\"1\","
+                "\"unit_price_ore\":100,\"vat_code\":\"25\"}",
+                i ? "," : "", i + 1);
+        snprintf(rows_json + off, sizeof rows_json - off, "]");
+        d = call(reqf("{\"v\":1,\"id\":\"337c\",\"cmd\":\"invoice.preview\","
+                      "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                      "%lld,\"invoice_date\":\"2026-09-20\",\"due_date\":"
+                      "\"2026-10-20\",\"rows\":%s}}",
+                      g_session, (int)org_id, (long long)cust1, rows_json));
+        CHECK_STR(d, "error.code", "TOO_LARGE");
+        yyjson_doc_free(d);
+    }
+
+    d = call(reqf("{\"v\":1,\"id\":\"338\",\"cmd\":\"invoice.issue\","
+                  "\"session\":\"%s\",\"org\":%d,\"dry_run\":true,\"args\":"
+                  "{\"customer_id\":%lld,\"invoice_date\":\"2026-09-20\","
+                  "\"due_date\":\"2026-10-20\",\"rows\":[{\"description\":"
+                  "\"X\",\"quantity\":\"1\",\"unit_price_ore\":100,"
+                  "\"vat_code\":\"25\",\"account\":\"9999\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_STR(d, "error.code", "ACCOUNT_NOT_FOUND");
+    yyjson_doc_free(d);
+
+    int64_t vouchers_before = db_count(g_db, "SELECT count(*) FROM vouchers");
+    int64_t attachments_before =
+        db_count(g_db, "SELECT count(*) FROM attachments");
+
+    d = call(reqf("{\"v\":1,\"id\":\"340\",\"cmd\":\"invoice.issue\","
+                  "\"session\":\"%s\",\"org\":%d,\"dry_run\":true,\"args\":%s}",
+                  g_session, (int)org_id, draft_args));
+    CHECK_OK(d);
+    CHECK(jbool(d, "result.dry_run"));
+    CHECK(jint(d, "result.number") == 17761);
+    CHECK_STR(d, "result.ocr", expect_ocr);
+    CHECK(jint(d, "result.net_ore") == 7320000);
+    CHECK(jint(d, "result.vat_ore") == 1830000);
+    CHECK(jint(d, "result.total_ore") == 9150000);
+    yyjson_val *dry_doc = jget(d, "result.document_id");
+    CHECK(dry_doc && yyjson_is_null(dry_doc));
+    yyjson_doc_free(d);
+    CHECK(db_count(g_db, "SELECT count(*) FROM vouchers") == vouchers_before);
+    CHECK(db_count(g_db, "SELECT count(*) FROM attachments") ==
+          attachments_before);
+
+    d = call(reqf("{\"v\":1,\"id\":\"341\",\"cmd\":\"invoice.sequence_get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 17761);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"350\",\"cmd\":\"invoice.issue\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":%s}",
+                  g_session, (int)org_id, draft_args));
+    CHECK_OK(d);
+    int64_t inv1 = jint(d, "result.id");
+    int64_t doc1 = jint(d, "result.document_id");
+    int64_t vou1 = jint(d, "result.voucher_id");
+    CHECK(inv1 > 0);
+    CHECK(doc1 > 0);
+    CHECK(vou1 > 0);
+    CHECK(jint(d, "result.number") == 17761);
+    CHECK_STR(d, "result.ocr", expect_ocr);
+    CHECK(jint(d, "result.net_ore") == 7320000);
+    CHECK(jint(d, "result.vat_ore") == 1830000);
+    CHECK(jint(d, "result.total_ore") == 9150000);
+    yyjson_doc_free(d);
+    CHECK(db_count(g_db, "SELECT count(*) FROM vouchers") == vouchers_before + 1);
+    CHECK(db_count(g_db, "SELECT count(*) FROM attachments") ==
+          attachments_before + 1);
+
+    d = call(reqf("{\"v\":1,\"id\":\"351\",\"cmd\":\"voucher.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)vou1));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.source", "invoice");
+    CHECK_STR(d, "result.date", "2026-09-20");
+    CHECK(find_amount(d, "result.rows", "account", "1510", "debit_ore") ==
+          9150000);
+    CHECK(find_amount(d, "result.rows", "account", "3001", "credit_ore") ==
+          7320000);
+    CHECK(find_amount(d, "result.rows", "account", "2610", "credit_ore") ==
+          1830000);
+    CHECK(find_amount(d, "result.rows", "account", "1510", "credit_ore") == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"352\",\"cmd\":\"invoice.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)inv1));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.status", "issued");
+    CHECK(jint(d, "result.customer_id") == cust1);
+    CHECK_STR(d, "result.customer_name", "Andra bygg AB");
+    CHECK_STR(d, "result.ocr", expect_ocr);
+    CHECK(jint(d, "result.document_id") == doc1);
+    CHECK(jint(d, "result.voucher_id") == vou1);
+    CHECK(yyjson_arr_size(jget(d, "result.rows")) == 1);
+    CHECK(jint(d, "result.rows.0.quantity_milli") == 61000);
+    CHECK(jint(d, "result.rows.0.amount_ore") == 7320000);
+    CHECK_STR(d, "result.rows.0.vat_code", "25");
+    CHECK_STR(d, "result.rows.0.account", "3001");
+    CHECK_STR(d, "result.rows.0.unit", "tim");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"353\",\"cmd\":\"invoice.pdf\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)inv1));
+    CHECK_OK(d);
+    const char *stored = jstr(d, "result.content_base64");
+    CHECK(stored && preview_b64 && strcmp(stored, preview_b64) == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"355\",\"cmd\":\"invoice.issue\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld,\"invoice_date\":\"2026-09-21\",\"due_date\":"
+                  "\"2026-10-21\",\"rows\":[{\"description\":\"Konsult\","
+                  "\"quantity\":\"2,5\",\"unit\":\"tim\","
+                  "\"unit_price_ore\":100000,\"vat_code\":\"12\","
+                  "\"account\":\"3002\"}]}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    int64_t inv2 = jint(d, "result.id");
+    int64_t doc2 = jint(d, "result.document_id");
+    int64_t vou2 = jint(d, "result.voucher_id");
+    CHECK(inv2 > inv1);
+    CHECK(doc2 > doc1);
+    CHECK(vou2 > vou1);
+    CHECK(jint(d, "result.number") == 17762);
+    CHECK(jint(d, "result.net_ore") == 250000);
+    CHECK(jint(d, "result.vat_ore") == 30000);
+    CHECK(jint(d, "result.total_ore") == 280000);
+    yyjson_doc_free(d);
+    CHECK(db_count(g_db, "SELECT count(*) FROM vouchers") == vouchers_before + 2);
+    CHECK(db_count(g_db, "SELECT count(*) FROM attachments") ==
+          attachments_before + 2);
+
+    d = call(reqf("{\"v\":1,\"id\":\"356\",\"cmd\":\"voucher.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":%lld}}",
+                  g_session, (int)org_id, (long long)vou2));
+    CHECK_OK(d);
+    CHECK_STR(d, "result.source", "invoice");
+    CHECK(find_amount(d, "result.rows", "account", "1510", "debit_ore") ==
+          280000);
+    CHECK(find_amount(d, "result.rows", "account", "2620", "credit_ore") ==
+          30000);
+    CHECK(find_amount(d, "result.rows", "account", "3002", "credit_ore") ==
+          250000);
+    CHECK(find_amount(d, "result.rows", "account", "2610", "credit_ore") == -1);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"357\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 2);
+    CHECK(jint(d, "result.items.0.number") == 17762);
+    CHECK(jint(d, "result.items.1.number") == 17761);
+    CHECK_STR(d, "result.items.0.customer_name", "Andra bygg AB");
+    CHECK_STR(d, "result.items.0.status", "issued");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"358\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld}}",
+                  g_session, (int)org_id, (long long)cust1));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 2);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"359\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"customer_id\":"
+                  "%lld}}",
+                  g_session, (int)org_id, (long long)cust2));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"360\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"status\":"
+                  "\"credited\"}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 0);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"361\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"limit\":1}}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(yyjson_arr_size(jget(d, "result.items")) == 1);
+    CHECK(jint(d, "result.items.0.number") == 17762);
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"362\",\"cmd\":\"invoice.list\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"status\":"
+                  "\"nope\"}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "INVALID_ARGS");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"363\",\"cmd\":\"invoice.get\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":999999}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"364\",\"cmd\":\"invoice.pdf\","
+                  "\"session\":\"%s\",\"org\":%d,\"args\":{\"id\":999999}}",
+                  g_session, (int)org_id));
+    CHECK_STR(d, "error.code", "NOT_FOUND");
+    yyjson_doc_free(d);
+
+    d = call(reqf("{\"v\":1,\"id\":\"365\",\"cmd\":\"invoice.sequence_get\","
+                  "\"session\":\"%s\",\"org\":%d}",
+                  g_session, (int)org_id));
+    CHECK_OK(d);
+    CHECK(jint(d, "result.next_number") == 17763);
+    yyjson_doc_free(d);
+
+    free(preview_b64);
+
     /* ---------------- moms rules: ranges merge per box ------------- */
     d = call(reqf("{\"v\":1,\"id\":\"110\",\"cmd\":\"org.create\","
                   "\"session\":\"%s\",\"args\":{\"name\":\"Moms AB\"}}",