Review the way has_children / parent_title are computed

(by reverting commit ae035f4.)

Author: philipperolet

core/src/search_stores/search_store.rs

@@ -122,53 +122,20 @@ impl SearchStore for ElasticsearchSearchStore {
                         "should": filter_conditions,
                         "minimum_should_match": 1
                     }
-                },
-                "runtime_mappings": {
-                    "has_children": {
-                        "type": "boolean",
-                        "script": {
-                            "source": "def children = searchInternalByField('parent_id', doc['node_id'].value); emit(children.size() > 0);"
-                        }
-                    },
-                    "parent_title": {
-                        "type": "keyword",
-                        "script": {
-                            "source": "if (!doc['parent_id'].isEmpty()) { def parents = searchInternalByField('node_id', doc['parent_id'].value); if (parents.size() > 0) { emit(parents[0].title); } }"
-                        }
-                    }
-                },
-                "fields": ["*", "has_children", "parent_title"],
-                "_source": true
+                }
             }))
             .send()
             .await?;
 
         match response.status_code().is_success() {
             true => {
+                // get nodes from elasticsearch response in hits.hits
                 let response_body = response.json::<serde_json::Value>().await?;
-                let nodes: Vec<CoreContentNode> = response_body["hits"]["hits"]
+                let nodes: Vec<Node> = response_body["hits"]["hits"]
                     .as_array()
                     .unwrap()
                     .iter()
-                    .map(|h| {
-                        let base = Node::from(h.get("_source").unwrap().clone());
-                        let has_children = h
-                            .get("fields")
-                            .and_then(|fields| fields.get("has_children"))
-                            .and_then(|arr| arr.get(0))
-                            .and_then(|v| v.as_bool())
-                            .unwrap_or(false);
-
-                        let parent_title = h
-                            .get("fields")
-                            .and_then(|fields| fields.get("parent_title"))
-                            .and_then(|arr| arr.get(0))
-                            .and_then(|v| v.as_str())
-                            .unwrap_or("")
-                            .to_string();
-
-                        CoreContentNode::new(base, has_children, parent_title)
-                    })
+                    .map(|h| Node::from(h.get("_source").unwrap().clone()))
                     .collect();
                 Ok(nodes)
             }