1 files changed, 119 insertions, 0 deletions
diff --git a/src/version/manifest.rs b/src/version/manifest.rs
new file mode 100644
index 0000000..a44e435
--- /dev/null
+++ b/src/version/manifest.rs
@@ -0,0 +1,119 @@
+use core::fmt;
+
+use chrono::{DateTime, Utc};
+use serde::{de::Visitor, Deserialize};
+
+#[derive(Deserialize)]
+pub struct LatestVersions {
+    release: String,
+    snapshot: String
+}
+
+impl LatestVersions {
+    pub fn get_release(&self) -> &String {
+        &self.release
+    }
+
+    pub fn get_snapshot(&self) -> &String {
+        &self.snapshot
+    }
+}
+
+#[derive(Debug)]
+pub enum VersionType {
+    Snapshot,
+    Release,
+    OldBeta,
+    OldAlpha,
+    Other(String)
+}
+
+struct VersionTypeVisitor;
+
+impl<'de> Visitor<'de> for VersionTypeVisitor {
+    type Value = VersionType;
+
+    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> fmt::Result {
+        formatter.write_str("a Minecraft release type")
+    }
+
+    fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+        where
+            E: serde::de::Error, {
+        match v {
+            "snapshot" => Ok(VersionType::Snapshot),
+            "release" => Ok(VersionType::Release),
+            "old_beta" => Ok(VersionType::OldBeta),
+            "old_alpha" => Ok(VersionType::OldAlpha),
+            _ => Ok(VersionType::Other(v.to_owned()))
+        }
+    }
+}
+
+impl<'de> Deserialize<'de> for VersionType {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where
+            D: serde::Deserializer<'de> {
+        deserializer.deserialize_string(VersionTypeVisitor)
+    }
+}
+
+// https://piston-meta.mojang.com/mc/game/version_manifest_v2.json
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct VersionManifestVersion {
+    id: String,
+    #[serde(rename = "type")]
+    version_type: VersionType,
+    url: String,
+    time: DateTime<Utc>,
+    release_time: DateTime<Utc>,
+    sha1: String,
+    compliance_level: u32
+}
+
+impl VersionManifestVersion {
+    pub fn get_id(&self) -> &String {
+        &self.id
+    }
+
+    pub fn get_version_type(&self) -> &VersionType {
+        &self.version_type
+    }
+
+    pub fn get_url(&self) -> &String {
+        &self.url
+    }
+
+    pub fn get_time(&self) -> &DateTime<Utc> {
+        &self.time
+    }
+
+    pub fn get_release_time(&self) -> &DateTime<Utc> {
+        &self.release_time
+    }
+
+    pub fn get_sha1(&self) -> &String {
+        &self.sha1
+    }
+
+    pub fn get_compliance_level(&self) -> u32 {
+        self.compliance_level
+    }
+}
+
+#[derive(Deserialize)]
+pub struct VersionManifest {
+    latest: LatestVersions,
+    versions: Vec<VersionManifestVersion>
+}
+
+impl VersionManifest {
+    pub fn get_latest(&self) -> &LatestVersions {
+        &self.latest
+    }
+
+    pub fn get_versions(&self) -> &Vec<VersionManifestVersion> {
+        &self.versions
+    }
+}