Updated icarus_models (#44)

* Updated icarus_models

* Constants and url changes

* Refactoring

* Removed functions

* Fixing tests

src/syncers/common.rs

@@ -0,0 +1,32 @@
+use crate::models;
+
+pub fn retrieve_url(api: &models::api::API, with_id: bool, id: i32) -> String {
+    if with_id {
+        retrieve_url_with_id(&api, id)
+    } else {
+        retrieve_url_reg(&api)
+    }
+}
+
+fn retrieve_url_reg(api: &models::api::API) -> String {
+    let mut url: String = String::from(&api.url);
+    url += &String::from("api/");
+    url += &String::from(&api.version);
+    url += &String::from("/");
+    url += &String::from(&api.endpoint);
+    url += &String::from("/");
+
+    return url;
+}
+
+fn retrieve_url_with_id(api: &models::api::API, id: i32) -> String {
+    let mut url: String = String::from(&api.url);
+    url += &String::from("api/");
+    url += &String::from(&api.version);
+    url += &String::from("/");
+    url += &String::from(&api.endpoint);
+    url += &String::from("/");
+    url += &id.to_string();
+
+    return url;
+}