create skeleton for server from design

server/texture-sync-server/src/persistency/search/mod.rs

@@ -0,0 +1,38 @@
+// TODO: remove on implementation
+#![allow(unused_imports)]
+#![allow(unused_variables)]
+#![allow(dead_code)]
+
+
+use crate::model::*;
+
+pub struct Query {
+    filters: Vec<QueryFilterModifier>,
+}
+
+pub type QueryParserResult = Result<Query, QuerySyntaxError>;
+pub enum QuerySyntaxError {
+    UnknownFilter,
+}
+
+impl Query {
+    pub fn parse(input: &[String]) -> QueryParserResult {
+        unimplemented!()
+    }
+}
+
+pub fn search(input: &[Texture], query: &Query) -> Vec<Texture> {
+    unimplemented!()
+}
+
+enum QueryFilterModifier {
+    None(QueryFilter),
+    Not(QueryFilter),
+}
+
+enum QueryFilter {
+    TagName(String),
+    InName(String),
+    MinResolution(usize),
+    BeforeDate { year: u16, month: u16, day: u16 },
+}