Database related operation files reorganization

internal/database/delete.go

@@ -0,0 +1,19 @@
+package database
+
+import (
+	"context"
+	"errors"
+)
+
+func DeleteDocument(location Location, filter interface{}) (int64, error) {
+	client := GetNewClient()
+	collection := client.Database(location.Database).Collection(location.Collection)
+	defer client.Disconnect(context.TODO())
+
+	result, err := collection.DeleteOne(context.TODO(), filter)
+	if err != nil {
+		return 0, errors.New("something is wrong with filter to delete the document.")
+	}
+
+	return result.DeletedCount, nil
+}