From 2750d7882e4aff464a28057f646f73df3b616e68 Mon Sep 17 00:00:00 2001
From: lublagg <lvblagg@gmail.com>
Date: Wed, 2 Oct 2024 15:11:49 -0400
Subject: [PATCH] Refactor addNewCase to use selectedCases.

---
 .../components/case-card/case-card-model.ts   | 32 +++++++++++++++----
 v3/src/components/case-card/case-view.tsx     |  2 +-
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/v3/src/components/case-card/case-card-model.ts b/v3/src/components/case-card/case-card-model.ts
index 68342f0d4..675987436 100644
--- a/v3/src/components/case-card/case-card-model.ts
+++ b/v3/src/components/case-card/case-card-model.ts
@@ -128,15 +128,35 @@ export const CaseCardModel = TileContentModel
         self.attributeColumnWidths.delete(collectionId)
       }
     },
-    addNewCase(cases: IGroupedCase[], collection: ICollectionModel, displayedCaseId: string) {
+    addNewCase(collection: ICollectionModel) {
       const newCase: ICaseCreation = {}
+      const selectedCases = self.data?.selection
 
-      collection.allParentDataAttrs.forEach(attr => {
-        if (attr?.id) {
-          const value = self.data?.getValue(displayedCaseId, attr.id)
-          newCase[attr.id] = value
+      function findCommonCases(lineages: (readonly string[])[]) {
+        if (lineages.length === 0) return [];
+        let commonValues = lineages[0];
+        for (let i = 1; i < lineages.length; i++) {
+          commonValues = commonValues.filter(value => lineages[i].includes(value));
+          if (commonValues.length === 0) {
+            return [];
+          }
+        }
+        return commonValues;
+      }
+
+      if (selectedCases) {
+        const caseLineages = Array.from(selectedCases).map(caseId => self.caseLineage(caseId) || [])
+        const commonCaseIds = findCommonCases(caseLineages)
+        if (commonCaseIds.length === 0) {
+          const nearestCommonParentCaseId = commonCaseIds[commonCaseIds.length - 1]
+          const parentAttrs = collection.allParentAttrs
+          parentAttrs.forEach(attr => {
+            const attrId = attr.id
+            const parentValue = nearestCommonParentCaseId && self.data?.getValue(nearestCommonParentCaseId, attrId)
+            newCase[attrId] = parentValue
+          })
         }
-      })
+      }
 
       const [newCaseId] = self.data?.addCases([newCase]) ?? []
 
diff --git a/v3/src/components/case-card/case-view.tsx b/v3/src/components/case-card/case-view.tsx
index bd9293f1f..d79c03ea4 100644
--- a/v3/src/components/case-card/case-view.tsx
+++ b/v3/src/components/case-card/case-view.tsx
@@ -76,7 +76,7 @@ export const CaseView = observer(function CaseView(props: ICaseViewProps) {
     if (collection) {
       let newCaseId: string | undefined
       data?.applyModelChange(() => {
-        const newItemId = cardModel?.addNewCase(cases, collection, displayedCaseId)
+        const newItemId = cardModel?.addNewCase(collection)
         newCaseId = newItemId && data?.getItemCaseIds(newItemId)[level]
         newCaseId && onSelectCases([newCaseId])
       }, {