Move utils to different modules

src/utils/mod.rs

@@ -1 +1,25 @@
 pub mod inbound_generator;
+
+pub fn url_decode(value: Option<String>) -> Option<String> {
+    return value.and_then(|s| {
+        urlencoding::decode(&s)
+            .ok()
+            .map(|decoded| decoded.into_owned())
+    });
+}
+
+pub fn parse_raw_json(input: &str) -> Option<serde_json::Value> {
+    serde_json::from_str::<serde_json::Value>(input)
+        .ok()
+        .and_then(|v| match v {
+            serde_json::Value::Object(_) => Some(v),
+            _ => None,
+        })
+}
+
+pub fn get_parameter_value(query: &Vec<(&str, &str)>, param: &str) -> Option<String> {
+    return query
+        .iter()
+        .find(|q| String::from(q.0) == String::from(param))
+        .map(|q| q.1.to_string());
+}