From 2814fbc77e71b2cfc671e3e161ac0a8f189be058 Mon Sep 17 00:00:00 2001
From: Emil Placheta <emil.placheta@planninginspectorate.gov.uk>
Date: Thu, 19 Mar 2026 15:52:29 +0000
Subject: [PATCH] feat(nsip): add sourceSystem enum to to nsip-document schema
 (idas-498)

---
 docs/nsip-document.md             |  1 +
 schemas/nsip-document.schema.json | 10 +++++++++-
 src/enums.cjs                     |  1 +
 src/enums.d.ts                    |  1 +
 src/enums.js                      |  1 +
 src/index.cjs                     |  1 +
 src/schemas.d.ts                  |  9 ++++++++-
 7 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/docs/nsip-document.md b/docs/nsip-document.md
index c859912..1ada09a 100644
--- a/docs/nsip-document.md
+++ b/docs/nsip-document.md
@@ -672,6 +672,7 @@ The location of the published document. Only applicable to documents which are p
 | :--------------------------- | :---------- |
 | `"back-office-appeals"`      |             |
 | `"back-office-applications"` |             |
+| `"dco-portal"`               |             |
 | `"horizon"`                  |             |
 | `"ni_file"`                  |             |
 | `"sharepoint"`               |             |
diff --git a/schemas/nsip-document.schema.json b/schemas/nsip-document.schema.json
index 4ba09db..d749aee 100644
--- a/schemas/nsip-document.schema.json
+++ b/schemas/nsip-document.schema.json
@@ -172,7 +172,15 @@
     },
     "sourceSystem": {
       "type": ["string", "null"],
-      "enum": ["back-office-appeals", "back-office-applications", "horizon", "ni_file", "sharepoint", null]
+      "enum": [
+        "back-office-appeals",
+        "back-office-applications",
+        "dco-portal",
+        "horizon",
+        "ni_file",
+        "sharepoint",
+        null
+      ]
     },
     "origin": {
       "type": ["string", "null"],
diff --git a/src/enums.cjs b/src/enums.cjs
index ce983ea..5808fde 100644
--- a/src/enums.cjs
+++ b/src/enums.cjs
@@ -695,6 +695,7 @@ const NSIP_SECURITY_CLASSIFICATION = Object.freeze({
 const NSIP_SOURCE_SYSTEM = Object.freeze({
   BACK_OFFICE_APPEALS: 'back-office-appeals',
   BACK_OFFICE_APPLICATIONS: 'back-office-applications',
+  DCO_PORTAL: 'dco-portal',
   HORIZON: 'horizon',
   NI_FILE: 'ni_file',
   SHAREPOINT: 'sharepoint',
diff --git a/src/enums.d.ts b/src/enums.d.ts
index 4efda86..3a5c437 100644
--- a/src/enums.d.ts
+++ b/src/enums.d.ts
@@ -693,6 +693,7 @@ export const NSIP_SECURITY_CLASSIFICATION = {
 export const NSIP_SOURCE_SYSTEM = {
   BACK_OFFICE_APPEALS: 'back-office-appeals',
   BACK_OFFICE_APPLICATIONS: 'back-office-applications',
+  DCO_PORTAL: 'dco-portal',
   HORIZON: 'horizon',
   NI_FILE: 'ni_file',
   SHAREPOINT: 'sharepoint',
diff --git a/src/enums.js b/src/enums.js
index 0e4b930..2cad80f 100644
--- a/src/enums.js
+++ b/src/enums.js
@@ -693,6 +693,7 @@ export const NSIP_SECURITY_CLASSIFICATION = Object.freeze({
 export const NSIP_SOURCE_SYSTEM = Object.freeze({
   BACK_OFFICE_APPEALS: 'back-office-appeals',
   BACK_OFFICE_APPLICATIONS: 'back-office-applications',
+  DCO_PORTAL: 'dco-portal',
   HORIZON: 'horizon',
   NI_FILE: 'ni_file',
   SHAREPOINT: 'sharepoint',
diff --git a/src/index.cjs b/src/index.cjs
index cc2b932..f8ba658 100644
--- a/src/index.cjs
+++ b/src/index.cjs
@@ -776,6 +776,7 @@ const NSIP_SECURITY_CLASSIFICATION = Object.freeze({
 const NSIP_SOURCE_SYSTEM = Object.freeze({
   BACK_OFFICE_APPEALS: 'back-office-appeals',
   BACK_OFFICE_APPLICATIONS: 'back-office-applications',
+  DCO_PORTAL: 'dco-portal',
   HORIZON: 'horizon',
   NI_FILE: 'ni_file',
   SHAREPOINT: 'sharepoint',
diff --git a/src/schemas.d.ts b/src/schemas.d.ts
index 6f453d1..9c8fe25 100644
--- a/src/schemas.d.ts
+++ b/src/schemas.d.ts
@@ -2176,7 +2176,14 @@ export interface NSIPDocument {
   datePublished: string | null;
   documentType: string | null;
   securityClassification: 'public' | 'official' | 'secret' | 'top-secret' | null;
-  sourceSystem: 'back-office-appeals' | 'back-office-applications' | 'horizon' | 'ni_file' | 'sharepoint' | null;
+  sourceSystem:
+    | 'back-office-appeals'
+    | 'back-office-applications'
+    | 'dco-portal'
+    | 'horizon'
+    | 'ni_file'
+    | 'sharepoint'
+    | null;
   origin: 'pins' | 'citizen' | 'lpa' | 'ogd' | null;
   owner: string | null;
   /**