refactor: add new tree adapter corresponding to search

packages/hoppscotch-common/src/helpers/adapters/WorkspaceRESTCollectionSearchTreeAdapter.ts

@@ -0,0 +1,93 @@
+import { HoppCollection } from "@hoppscotch/data"
+import { ChildrenResult, SmartTreeAdapter } from "@hoppscotch/ui"
+import { Ref, computed, ref } from "vue"
+import { navigateToFolderWithIndexPath } from "~/newstore/collections"
+import { RESTCollectionViewItem } from "~/services/new-workspace/view"
+
+export class WorkspaceRESTSearchCollectionTreeAdapter
+  implements SmartTreeAdapter<RESTCollectionViewItem>
+{
+  constructor(public data: Ref<HoppCollection[]>) {}
+
+  getChildren(
+    nodeID: string | null
+  ): Ref<ChildrenResult<RESTCollectionViewItem>> {
+    const result = ref<ChildrenResult<RESTCollectionViewItem>>({
+      status: "loading",
+    })
+
+    return computed(() => {
+      if (nodeID === null) {
+        result.value = {
+          status: "loaded",
+          data: this.data.value.map((item, index) => ({
+            id: index.toString(),
+
+            data: <RESTCollectionViewItem>{
+              type: "collection",
+              value: {
+                collectionID: index.toString(),
+                isLastItem: index === this.data.value.length - 1,
+                name: item.name,
+                parentCollectionID: null,
+              },
+            },
+          })),
+        }
+      } else {
+        const indexPath = nodeID.split("/").map((x) => parseInt(x))
+
+        const item = navigateToFolderWithIndexPath(this.data.value, indexPath)
+
+        if (item) {
+          const collections = item.folders.map(
+            (childCollection, childCollectionID) => {
+              return {
+                id: `${nodeID}/${childCollectionID}`,
+                data: <RESTCollectionViewItem>{
+                  type: "collection",
+                  value: {
+                    isLastItem:
+                      item.folders?.length > 1
+                        ? childCollectionID === item.folders.length - 1
+                        : false,
+                    collectionID: `${nodeID}/${childCollectionID}`,
+                    name: childCollection.name,
+                    parentCollectionID: nodeID,
+                  },
+                },
+              }
+            }
+          )
+
+          const requests = item.requests.map((request, requestID) => {
+            // TODO: Replace `parentCollectionID` with `collectionID`
+            return {
+              id: `${nodeID}/${requestID}`,
+              data: <RESTCollectionViewItem>{
+                type: "request",
+                value: {
+                  isLastItem:
+                    item.requests?.length > 1
+                      ? requestID === item.requests.length - 1
+                      : false,
+                  parentCollectionID: nodeID,
+                  collectionID: nodeID,
+                  requestID: `${nodeID}/${requestID}`,
+                  request,
+                },
+              },
+            }
+          })
+
+          result.value = {
+            status: "loaded",
+            data: [...collections, ...requests],
+          }
+        }
+      }
+
+      return result.value
+    })
+  }
+}