feat(Settings): Handle difference in version before uploading nsdoc file

src/Setting.ts

@@ -18,6 +18,8 @@ import { Language, languages, loader } from './translations/loader.js';
 import './WizardDivider.js';
 import { WizardDialog } from './wizard-dialog.js';
 
+import { iec6185072, iec6185073, iec6185074, iec6185081 } from "./validators/templates/foundation.js";
+
 export type Settings = {
   language: Language;
   theme: 'light' | 'dark';
@@ -39,6 +41,19 @@ export const defaults: Settings = {
   'IEC 61850-8-1': undefined
 };
 
+type NsdVersion = {
+  version: string | undefined,
+  revision: string | undefined,
+  release: string | undefined
+}
+
+type NsdVersions = {
+  'IEC 61850-7-2': NsdVersion;
+  'IEC 61850-7-3': NsdVersion;
+  'IEC 61850-7-4': NsdVersion;
+  'IEC 61850-8-1': NsdVersion;
+}
+
 /** Mixin that saves [[`Settings`]] to `localStorage`, reflecting them in the
  * `settings` property, setting them through `setSetting(setting, value)`. */
 export type SettingElement = Mixin<typeof Setting>;
@@ -60,6 +75,38 @@ export function Setting<TBase extends LitElementConstructor>(Base: TBase) {
       };
     }
 
+    /**
+     * Get the versions of the current OpenSCD NSD files.
+     * @returns Current version, revision and release for all current OpenSCD NSD files.
+     */
+    private async nsdVersions(): Promise<NsdVersions> {
+      const [nsd72, nsd73, nsd74, nsd81] = await Promise.all([iec6185072, iec6185073, iec6185074, iec6185081]);
+      const [nsd72Ns, nsd73Ns, nsd74Ns, nsd81Ns] = [nsd72.querySelector('NS'), nsd73.querySelector('NS'), nsd74.querySelector('NS'), nsd81.querySelector('ServiceNS')];
+
+      return {
+        'IEC 61850-7-2': {
+          version: nsd72Ns?.getAttribute('version') ?? undefined,
+          revision: nsd72Ns?.getAttribute('revision') ?? undefined,
+          release: nsd72Ns?.getAttribute('release') ?? undefined,
+        },
+        'IEC 61850-7-3': {
+          version: nsd73Ns?.getAttribute('version') ?? undefined,
+          revision: nsd73Ns?.getAttribute('revision') ?? undefined,
+          release: nsd73Ns?.getAttribute('release') ?? undefined,
+        },
+        'IEC 61850-7-4': {
+          version: nsd74Ns?.getAttribute('version') ?? undefined,
+          revision: nsd74Ns?.getAttribute('revision') ?? undefined,
+          release: nsd74Ns?.getAttribute('release') ?? undefined,
+        },
+        'IEC 61850-8-1': {
+          version: nsd81Ns?.getAttribute('version') ?? undefined,
+          revision: nsd81Ns?.getAttribute('revision') ?? undefined,
+          release: nsd81Ns?.getAttribute('release') ?? undefined,
+        }
+      }
+    }
+
     @query('#settings')
     settingsUI!: Dialog;
     @query('#language')
@@ -133,14 +180,16 @@ export function Setting<TBase extends LitElementConstructor>(Base: TBase) {
     }
 
     private async loadNsdocFile(evt: Event): Promise<void> {
+      const nsdVersions = await this.nsdVersions();
       const files = Array.from(
         (<HTMLInputElement | null>evt.target)?.files ?? []
       );
 
       if (files.length == 0) return;
       files.forEach(async file => {
         const text = await file.text();
-        const id = this.parseToXmlObject(text).querySelector('NSDoc')?.getAttribute('id');
+        const nsdocElement = this.parseToXmlObject(text).querySelector('NSDoc');
+        const id = nsdocElement?.getAttribute('id');
         if (!id) {
           document
           .querySelector('open-scd')!
@@ -149,6 +198,25 @@ export function Setting<TBase extends LitElementConstructor>(Base: TBase) {
             );
           return;
         }
+        const nsdVersion = nsdVersions[id as keyof NsdVersions];
+        const nsdocVersion = {
+          version: nsdocElement!.getAttribute('version') ?? undefined,
+          revision: nsdocElement!.getAttribute('revision') ?? undefined,
+          release: nsdocElement!.getAttribute('release') ?? undefined
+        }
+
+        if (!this.isEqual(nsdVersion, nsdocVersion)) {
+          document
+          .querySelector('open-scd')!
+          .dispatchEvent(
+              newLogEvent({ kind: 'error', title: get('settings.invalidNsdocVersion', {
+                id: id,
+                nsdVersion: `${nsdVersion.version}${nsdVersion.revision}${nsdVersion.release}`,
+                nsdocVersion: `${nsdocVersion.version}${nsdocVersion.revision}${nsdocVersion.release}`
+              }) })
+            );
+          return;
+        }
 
         this.setSetting(id as keyof Settings, text);
       })
@@ -157,6 +225,16 @@ export function Setting<TBase extends LitElementConstructor>(Base: TBase) {
       this.requestUpdate();
     }
 
+    /**
+     * Check the equality of two NsdVersions.
+     * @param versionA - First version to compare.
+     * @param versionB - Second version to compare.
+     * @returns Are they equal or not.
+     */
+    private isEqual(versionA: NsdVersion, versionB: NsdVersion): boolean {
+      return versionA.version == versionB.version && versionA.revision == versionB.revision && versionA.release == versionB.release;
+    }
+
     /**
      * Render one .nsdoc item in the Settings wizard
      * @param key - The key of the nsdoc file in the settings.

src/translations/de.ts

@@ -50,7 +50,8 @@ export const de: Translations = {
     showieds: 'Zeige IEDs im Substation-Editor',
     selectFileButton: 'Datei auswählen',
     loadNsdTranslations: 'NSDoc-Dateien hochladen',
-    invalidFileNoIdFound: 'Ungültiges NSDoc; kein \'id\'-Attribut in der Datei gefunden'
+    invalidFileNoIdFound: 'Ungültiges NSDoc; kein \'id\'-Attribut in der Datei gefunden',
+    invalidNsdocVersion: '???'
   },
   menu: {
     new: 'Neues projekt',

src/translations/en.ts

@@ -48,7 +48,8 @@ export const en = {
     showieds: 'Show IEDs in substation editor',
     selectFileButton: 'Select file',
     loadNsdTranslations: 'Uploading NSDoc files',
-    invalidFileNoIdFound: 'Invalid NSDoc; no \'id\' attribute found in file'
+    invalidFileNoIdFound: 'Invalid NSDoc; no \'id\' attribute found in file',
+    invalidNsdocVersion: 'The version of {{ id }} NSD ({{ nsdVersion }}) does not correlate with the version of the corresponding NSDoc ({{ nsdocVersion }})'
   },
   menu: {
     new: 'New project',