Merge pull request #776 from danieltruong/fix/mongodb-44-textscore

PUBLIC-94: Fix MongoDB 4.4 textScore compatibility

Author: danieltruong

api/aggregators/cacAggregator.js

@@ -90,13 +90,11 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
           }
         }
       }
-    },
-    {
-      $addFields: {
-        score: { $meta: "textScore" }
-      }
     }
   );
 
+  // Note: $meta: 'textScore' removed - CAC aggregator doesn't use $text search
+  // and MongoDB 4.4+ requires $text when using textScore
+
   return aggregation;
 };

api/aggregators/documentAggregator.js

@@ -20,13 +20,15 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
   const aggregation = [];
   let projectModifier;
   let keywordModifier;
+  let hasTextSearch = false;
 
   if (projectId) {
     projectModifier = { project: mongoose.Types.ObjectId(projectId) };
   }
 
   if (keywords) {
     keywordModifier = { $text: { $search: "\""+keywords+"\"", $caseSensitive: caseSensitive} };
+    hasTextSearch = true;
   }
 
   // query modifiers
@@ -124,13 +126,17 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
           }
         }
       }
-    },
-    {
+    }
+  );
+
+  // Only add textScore when a $text search is present (MongoDB 4.4+ requirement)
+  if (hasTextSearch) {
+    aggregation.push({
       $addFields: {
         score: { $meta: 'textScore' }
       }
-    }
-  );
+    });
+  }
 
   return aggregation;
 };

api/aggregators/searchAggregator.js

@@ -20,6 +20,7 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
   const aggregation = [];
   let projectModifier;
   let keywordModifier;
+  let hasTextSearch = false;
 
   if (projectId) {
     projectModifier = { project: mongoose.Types.ObjectId(projectId) };
@@ -29,6 +30,7 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
     keywords = keywords.replace(/"/g,"").trim();
     let keywordSearch = fuzzy && !keywords.startsWith("\"") && !keywords.endsWith("\"") ? fuzzySearch.createFuzzySearchString(keywords, 4, caseSensitive) : "\""+ keywords +"\"";
     keywordModifier = { $text: { $search: keywordSearch, $caseSensitive: caseSensitive } };
+    hasTextSearch = true;
   }
 
   // query modifiers
@@ -85,13 +87,17 @@ exports.createMatchAggr = async (schemaName, projectId, keywords, caseSensitive,
           }
         }
       }
-    },
-    {
+    }
+  );
+
+  // Only add textScore when a $text search is present (MongoDB 4.4+ requirement)
+  if (hasTextSearch) {
+    aggregation.push({
       $addFields: {
         score: { $meta: 'textScore' }
       }
-    }
-  );
+    });
+  }
 
   return aggregation;
 };

api/dao/projectDAO.js

@@ -228,11 +228,13 @@ exports.getProjects = async function(roles, pageNumber, pageSize, sortBy, keywor
         }
       }
     });
-  // Score, Misc.
-  queryAggregates.push(
-    {
-      $addFields: { score:{ $meta: 'textScore' } }
-    });
+  // Score - only add textScore when keywords are present (MongoDB 4.4+ requirement)
+  if (keywords && keywords.length > 0) {
+    queryAggregates.push(
+      {
+        $addFields: { score:{ $meta: 'textScore' } }
+      });
+  }
 
   let collation =
     {