feat: add versions search

Author: Umatriz

crates/nomi-core/src/loaders/forge.rs

@@ -0,0 +1,66 @@
+use std::fmt::Debug;
+
+use anyhow::anyhow;
+use itertools::Itertools;
+
+const FORGE_REPO_URL: &str = "https://maven.minecraftforge.net";
+const FORGE_GROUP: &str = "net.minecraftforge";
+const FORGE_ARTIFACT: &str = "forge";
+
+const NEO_FORGE_REPO_URL: &str = "https://maven.neoforged.net/releases/";
+const NEO_FORGE_GROUP: &str = "net.neoforged";
+const NEO_FORGE_ARTIFACT: &str = "neoforge";
+
+pub struct Forge {
+    url: String,
+}
+
+impl Forge {
+    #[tracing::instrument(skip_all, err)]
+    pub async fn get_versions(game_version: impl Into<String>) -> anyhow::Result<Vec<String>> {
+        let game_version = game_version.into();
+
+        let raw = reqwest::get(format!("{FORGE_REPO_URL}/net/minecraftforge/forge/maven-metadata.xml"))
+            .await?
+            .text()
+            .await?;
+
+        let versions = raw
+            .find("<version>")
+            .and_then(|s| raw.find("</versions>").map(|e| (s, e)))
+            .map(|(s, e)| &raw[s..e])
+            .map(|s| {
+                s.split("<version>")
+                    .filter_map(|s| {
+                        s.split("</version>")
+                            .collect::<String>()
+                            .split('-')
+                            .map(String::from)
+                            .collect_tuple::<(String, String)>()
+                    })
+                    .filter(|(g, _)| g == &game_version)
+                    .map(|(_, f)| f)
+                    .collect::<Vec<_>>()
+            });
+
+        match versions {
+            Some(v) => Ok(v),
+            None => Err(anyhow!("Error while matching forge versions")),
+        }
+    }
+
+    pub fn new(version: impl Into<String>, forge_version: Option<impl Into<String>>) -> Self {
+        todo!()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn get_versions_test() {
+        let versions = Forge::get_versions("1.19.2").await.unwrap();
+        println!("{versions:#?}");
+    }
+}

crates/nomi-core/src/loaders/mod.rs

@@ -1,2 +1,3 @@
 pub mod fabric;
+pub mod forge;
 pub mod vanilla;