Tilføjet en semver comparer

application/Cargo.toml

@@ -12,3 +12,4 @@ config = { version = "0.13.1", features = ["toml"] }
 serde = { version = "1.0", features = ["derive"]}
 clap = { version = "3.2.21", features = ["derive", "cargo"] }
 reqwest = { version = "0.11.12", features = ["blocking", "json"] }
+semver =  { version = "1.0" }

application/src/request.rs

@@ -88,24 +88,23 @@ JOIN VCSTYPES V ON O.vcs_type = V.vcs_type";
 }
 
 mod versioning {
-    trait VersionComparer {
-        fn compare(v1: &str, v2: &str) -> Comp;
+    use semver::Version;
+    use std::cmp::Ordering;
+
+    pub trait VersionComparer {
+        fn compare(&self, v1: &str, v2: &str) -> Ordering;
     }
 
-    pub struct GithubDefaultVersionComparer;
+    pub struct SemverVersionComparer;
 
-    impl VersionComparer for GithubDefaultVersionComparer {
-        fn compare(v1: &str, v2: &str) -> Comp {
-            todo!()
+    impl VersionComparer for SemverVersionComparer {
+        fn compare(&self, v1: &str, v2: &str) -> Ordering {
+            let v1 = Version::parse(v1).unwrap();
+            let v2 = Version::parse(v2).unwrap();
+
+            v1.cmp(&v2)
         }
     }
-
-    // todo: rename this
-    pub enum Comp {
-        Left,
-        Right,
-        Equal,
-    }
 }
 
 pub mod models {
@@ -125,3 +124,30 @@ pub mod models {
         pub api_root_url: String,
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::request::versioning::{SemverVersionComparer, VersionComparer};
+    use std::cmp::Ordering;
+
+    #[test]
+    fn rest_equal_semver() {
+        let comparer = SemverVersionComparer;
+        let ordering = comparer.compare("1.2.3", "1.2.3");
+        assert_eq!(ordering, Ordering::Equal);
+    }
+
+    #[test]
+    fn rest_greater_semver() {
+        let comparer = SemverVersionComparer;
+        let ordering = comparer.compare("1.2.4", "1.2.3");
+        assert_eq!(ordering, Ordering::Greater);
+    }
+
+    #[test]
+    fn rest_less_semver() {
+        let comparer = SemverVersionComparer;
+        let ordering = comparer.compare("1.2.3", "1.2.4");
+        assert_eq!(ordering, Ordering::Less);
+    }
+}