Added NSFW filter to query

server/controllers/lighthouse.js

@@ -184,6 +184,7 @@ function getResults (input) {
               },
             },
           ],
+          'filter': getFilters(input)
         },
       },
       size: input.size,
@@ -223,10 +224,30 @@ function getAutoCompleteQuery (query) {
   };
 }
 
-function getFilter (query) {
-  // this is the best place for putting things like filtering on the type of content
-  // Perhaps we can add search param that will filter on how people have categorized / tagged their content
-
+function getFilters (input) {
+    // this is the best place for putting things like filtering on the type of content
+    // Perhaps we can add search param that will filter on how people have categorized / tagged their content
+    var filters = [];
+    if(input.nsfw === "true" || input.nsfw === "false") {
+        const nsfwFilter = {"match": {"value.stream.metadata.nsfw": input.nsfw}}
+        filters.push(nsfwFilter);
+    }
+    if(filters.length > 0) {
+        const filterQuery = {
+                "nested": {
+                    "path": "value",
+                    "query": {
+                        "bool": {
+                            "must": filters
+                        }
+                    }
+                }
+        };
+        return filterQuery;
+    }
+    else {
+        return [];
+    }
 }
 
 function getAutoComplete (query) {