Refactor validation

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/screens/memes.tsx

@@ -12,7 +12,7 @@ import {
 } from 'react-native-paper';
 import { useDispatch, useSelector } from 'react-redux';
 import styles from '../styles';
-import { MEME_SORT, SORT_DIRECTION } from '../types';
+import { MEME_SORT, SORT_DIRECTION, memesSortQuery } from '../types';
 import { getSortIcon, getViewIcon } from '../utilities';
 import {
   RootState,
@@ -72,7 +72,27 @@ const Memes = () => {
   };
 
   const [search, setSearch] = useState('');
-  const memes = useQuery<Meme>(Meme.schema.name);
+
+  const memes = useQuery<Meme>(
+    Meme.schema.name,
+    collectionIn => {
+      let collection = collectionIn;
+
+      if (favoritesOnly) collection = collection.filtered('isFavorite == true');
+      if (filter) collection = collection.filtered('type == $0', filter);
+      if (search) {
+        collection = collection.filtered('title CONTAINS[c] $0', search);
+      }
+
+      collection = collection.sorted(
+        memesSortQuery(sort),
+        sortDirection === SORT_DIRECTION.DESCENDING,
+      );
+
+      return collection;
+    },
+    [sort, sortDirection, favoritesOnly, filter, search],
+  );
 
   return (
     <View