From 1656a8996f54fec5f75e749fdffa59dee8787298 Mon Sep 17 00:00:00 2001
From: Akalanka Perera <akalankaperera128@gmail.com>
Date: Mon, 25 Mar 2024 14:53:50 +0000
Subject: [PATCH] Feat(filter-query): added support for level 2 fitlers

---
 packages/mongoose-filter-query/src/index.js | 31 ++-------------------
 packages/mongoose-filter-query/src/utils.js | 29 +++++++++++++++++++
 2 files changed, 32 insertions(+), 28 deletions(-)

diff --git a/packages/mongoose-filter-query/src/index.js b/packages/mongoose-filter-query/src/index.js
index e94afd9..f99c22f 100644
--- a/packages/mongoose-filter-query/src/index.js
+++ b/packages/mongoose-filter-query/src/index.js
@@ -1,34 +1,9 @@
-import { mapValue, replaceOperator } from "./utils";
-
-const complexOperators = ["and", "or"];
+import { mapFilters } from "./utils";
 
 const mongooseFilterQuery = (req, res, next) => {
   try {
-    if (req.query.filter) {
-      Object.keys(req.query.filter).forEach((key) => {
-        const value = req.query.filter[key];
-        if (complexOperators.includes(key)) {
-          req.query.filter[`$${key}`] = value.split(",").map((kv) => {
-            const [key, value] = kv.split("=")
-            return { [key]: mapValue(value) }
-          })
-          delete req.query.filter[key]
-        } else {
-          const complexOp = complexOperators.find((op) => value.startsWith(`${op}(`));
-          if (complexOp) {
-            const values = replaceOperator(value, complexOp)?.split(",");
-            req.query.filter[`$${complexOp}`] = values.map((subValue) => ({
-              [key]: mapValue(subValue)
-            }));
-            delete req.query.filter[key];
-          } else {
-            req.query.filter[key] = mapValue(value);
-          }
-        }
-      });
-    } else {
-      req.query.filter = {};
-    }
+    req.query.filter = mapFilters(req.query.filter) ?? {}
+    mapFilters(req.query.filterl2)
     if (req.query.sort) {
       Object.keys(req.query.sort).forEach((key) => {
         const dir = req.query.sort[key];
diff --git a/packages/mongoose-filter-query/src/utils.js b/packages/mongoose-filter-query/src/utils.js
index cbddc05..45e9e46 100644
--- a/packages/mongoose-filter-query/src/utils.js
+++ b/packages/mongoose-filter-query/src/utils.js
@@ -1,3 +1,5 @@
+const complexOperators = ["and", "or"];
+
 export const replaceOperator = (value, operator) => {
   value = value.replace(`${operator}(`, "").slice(0, -1);
   if (isNaN(value)) {
@@ -38,3 +40,30 @@ export const mapValue = (value) => {
   }
   return value;
 };
+
+export const mapFilters = (filter = {}) => {
+  if (filter) {
+    Object.keys(filter).forEach((key) => {
+      const value = filter[key];
+      if (complexOperators.includes(key)) {
+        filter[`$${key}`] = value.split(",").map((kv) => {
+          const [key, value] = kv.split("=")
+          return { [key]: mapValue(value) }
+        })
+        delete filter[key]
+      } else {
+        const complexOp = complexOperators.find((op) => value.startsWith(`${op}(`));
+        if (complexOp) {
+          const values = replaceOperator(value, complexOp)?.split(",");
+          filter[`$${complexOp}`] = values.map((subValue) => ({
+            [key]: mapValue(subValue)
+          }));
+          delete filter[key];
+        } else {
+          filter[key] = mapValue(value);
+        }
+      }
+    });
+  }
+  return filter;
+}
\ No newline at end of file