Remove Alpha from QueryOptions. Also add Filter, not implemented yet

model/base.go

@@ -6,10 +6,16 @@ var (
 	ErrNotFound = errors.New("data not found")
 )
 
+// Filters use the same operators as Beego ORM: See https://beego.me/docs/mvc/model/query.md#operators
+// Ex: var q = QueryOptions{Filters: Filters{"name__istartswith": "Deluan","age__gt": 25}}
+// All conditions will be ANDed together
+// TODO Implement filter in repositories' methods
+type Filters map[string]interface{}
+
 type QueryOptions struct {
-	SortBy string
-	Alpha  bool
-	Desc   bool
-	Offset int
-	Size   int
+	SortBy  string
+	Desc    bool
+	Offset  int
+	Size    int
+	Filters Filters
 }