From dff19ba4b2a84091a4453fcb95afc1dba9410c9e Mon Sep 17 00:00:00 2001
From: Yusuf Olokoba <olokobayusuf@gmail.com>
Date: Sat, 19 May 2018 18:17:19 -0400
Subject: [PATCH] Add support for search on Mongo adapter

---
 src/db-adapters/Mongoose/MongooseAdapter.ts | 15 ++++++++++++++-
 src/db-adapters/Mongoose/lib.ts             |  8 ++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/db-adapters/Mongoose/MongooseAdapter.ts b/src/db-adapters/Mongoose/MongooseAdapter.ts
index 270c3a4d..d9c586e9 100755
--- a/src/db-adapters/Mongoose/MongooseAdapter.ts
+++ b/src/db-adapters/Mongoose/MongooseAdapter.ts
@@ -1041,6 +1041,19 @@ export default class MongooseAdapter implements Adapter<typeof MongooseAdapter>
 
         return args;
       }
-    }
+    },
+
+    'search': {
+      isBinary: false,
+      legalIn: ["filter", "sort"],
+      finalizeArgs (operators, operator, args) {
+        if (args.length !== 1 || typeof args[0] !== "string") {
+          throw new SyntaxError(
+            `"search" expects exactly one argument: a query string`
+          );
+        }
+        return args;
+      }
+    },
   };
 }
diff --git a/src/db-adapters/Mongoose/lib.ts b/src/db-adapters/Mongoose/lib.ts
index d82bac2e..2598dbde 100755
--- a/src/db-adapters/Mongoose/lib.ts
+++ b/src/db-adapters/Mongoose/lib.ts
@@ -122,6 +122,14 @@ export function toMongoCriteria(constraint: FieldExpression) {
     });
   }
 
+  if (constraint.operator === "search") {
+    return {
+      $text: {
+        $search: constraint.args[0],
+      }
+    }
+  }
+
   // Note: all the operators we support (as declared in the adapter) are either:
   // 1) the ones handled above (`and` + `or`); or 2) binary ones with a field
   // reference on the left-hand side. For the latter, this requirement has already