From d336d7cbbd126dfa8a50da1572944714ca4a085f Mon Sep 17 00:00:00 2001
From: Elliot DeNolf <denolfe@gmail.com>
Date: Sat, 26 Jan 2019 01:09:16 -0500
Subject: [PATCH] Functioning 'exclude'

---
 src/tests/paramParser.spec.js | 20 +++++++++++++++++++-
 src/utils/paramParser.js      |  7 +++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/tests/paramParser.spec.js b/src/tests/paramParser.spec.js
index 05a4bf8045..485668eb3d 100644
--- a/src/tests/paramParser.spec.js
+++ b/src/tests/paramParser.spec.js
@@ -42,6 +42,11 @@ describe('Param Parser', () => {
       let parsed = paramParser(Page, {likes: '{gte}50{lt}100'});
       expect(parsed.searchParams).toEqual({likes: {'$gte': '50', '$lt': '100'}});
     });
+
+    it('Like', () => {
+      let parsed = paramParser(Page, {title: '{like}This'});
+      expect(parsed.searchParams).toEqual({title: { '$regex': 'This', '$options': '-i' }});
+    })
   });
 
   describe('Include', () => {
@@ -55,7 +60,20 @@ describe('Param Parser', () => {
       expect(parsed.searchParams)
         .toEqual({'$or':[{_id: 'SomeId'},{_id: 'SomeSecondId'}]});
     });
-  })
+  });
+
+  describe('Exclude', () => {
+    it('Exclude Single', () => {
+      let parsed = paramParser(Page, {exclude: 'SomeId'});
+      expect(parsed.searchParams).toEqual({_id: { '$ne': 'SomeId'}});
+    });
+
+    it('Exclude Multiple', () => {
+      let parsed = paramParser(Page, {exclude: 'SomeId,SomeSecondId'});
+      expect(parsed.searchParams)
+        .toEqual({'$and':[{_id: { '$ne': 'SomeId'}},{_id: { '$ne': 'SomeSecondId'}}]});
+    });
+  });
 
   describe('Pagination / Limits', () => {
     it('Page number', () => {
diff --git a/src/utils/paramParser.js b/src/utils/paramParser.js
index fbb2e04b93..32ab9c3897 100644
--- a/src/utils/paramParser.js
+++ b/src/utils/paramParser.js
@@ -70,6 +70,13 @@ function parseParam(key, val, model, query) {
       query = addSearchParam(query, '$or', orArray);
     } else
       query.searchParams['_id'] = val;
+  } else if (lcKey === 'exclude') {
+    if (val.match(',')) {
+      let andArray = [];
+      val.split(',').map(id => andArray.push({_id: {$ne: id}}));
+      query = addSearchParam(query, '$and', andArray);
+    } else
+      query.searchParams['_id'] = {$ne: val};
   } else {
     query = parseSchemaForKey(model.schema, query, '', lcKey, val, operator);
   }