Add DAI descriptions from d if desc is missing (part of #9)

Author: danyill

oscd-supervision.ts

@@ -304,6 +304,21 @@ function getCBRefs(
   );
 }
 
+function getSupervisionLnDescription(supLn: Element): string {
+  const descriptionLn = getDescriptionAttribute(supLn);
+  const doi = supLn.querySelector(`:scope > DOI[name="St"]`);
+
+  let doiDesc = doi ? getDescriptionAttribute(doi) : undefined;
+
+  if (!doiDesc) {
+    doiDesc =
+      doi?.querySelector(':scope > DAI[name="d"] > Val')?.textContent ??
+      undefined;
+  }
+
+  return [descriptionLn, doiDesc].filter(d => d !== undefined).join(' > ');
+}
+
 /**
  * Editor to allow allocation of GOOSE and SMV supervision LNs
  * to control blocks
@@ -489,7 +504,7 @@ export default class OscdSupervision extends LitElement {
 
   // eslint-disable-next-line class-methods-use-this
   renderUnusedSupervisionNode(lN: Element): TemplateResult {
-    const description = getDescriptionAttribute(lN);
+    const description = getSupervisionLnDescription(lN);
 
     const controlBlockRef = getSupervisionCBRef(lN);
     const invalidControlBlock =
@@ -544,7 +559,7 @@ export default class OscdSupervision extends LitElement {
 
   // eslint-disable-next-line class-methods-use-this
   renderSupervisionListItem(lN: Element, interactive: boolean): TemplateResult {
-    const description = getDescriptionAttribute(lN);
+    const description = getSupervisionLnDescription(lN);
 
     return html`
       <mwc-list-item
@@ -610,14 +625,7 @@ export default class OscdSupervision extends LitElement {
   }
 
   searchUnusedSupervisionLN(supLn: Element): boolean {
-    const descriptionLn = getDescriptionAttribute(supLn);
-    const cbRef = this.controlType === 'GOOSE' ? 'GoCBRef' : 'SvCBRef';
-    const doi = supLn.querySelector(`DOI[name="${cbRef}"`);
-    const descriptionDoi = doi ? getDescriptionAttribute(doi) : undefined;
-    const description = [descriptionLn, descriptionDoi]
-      .filter(d => d !== undefined)
-      .join(' > ');
-
+    const description = getSupervisionLnDescription(supLn);
     const supervisionSearchText = `${identity(supLn)} ${description}`;
 
     return (

test/fixtures/supervisions.scd

@@ -412,7 +412,7 @@
 	</IED>
 	<IED name="GOOSE_Subscriber4" desc="GOOSE subscriber" manufacturer="Dummy">
 		<Services>
-			<SupSubscription maxGo="4" maxSv="3"/>
+			<SupSubscription maxGo="5" maxSv="3"/>
 		</Services>
 		<AccessPoint name="AP1">
 			<Server>
@@ -464,7 +464,21 @@
 					</LN>
 					<LN lnClass="LGOS" inst="2" lnType="Dummy.LGOS" desc="Important1">
 						<Private type="OpenSCD.create"/>
-						<DOI name="GoCBRef" desc="Important2">
+						<DOI name="St">
+							<DAI name="d">
+								<Val>Important2</Val>
+							</DAI>
+						</DOI>
+						<DOI name="GoCBRef">
+							<DAI name="setSrcRef">
+								<Val></Val>
+							</DAI>
+						</DOI>
+					</LN>
+					<LN lnClass="LGOS" inst="3" lnType="Dummy.LGOS" desc="Important1">
+						<Private type="OpenSCD.create"/>
+						<DOI name="St" desc="Important3"></DOI>
+						<DOI name="GoCBRef">
 							<DAI name="setSrcRef">
 								<Val></Val>
 							</DAI>