From 11e64fc7560de3cd0def718edf68c31e3dc8be72 Mon Sep 17 00:00:00 2001
From: fxqnlr <felixquinn03@gmail.com>
Date: Wed, 4 Sep 2024 15:08:55 +0200
Subject: move stuff around, remove lib.rs for overview

---
 src/data/gameversion.rs | 118 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/data/gameversion.rs

(limited to 'src/data/gameversion.rs')

diff --git a/src/data/gameversion.rs b/src/data/gameversion.rs
new file mode 100644
index 0000000..3868502
--- /dev/null
+++ b/src/data/gameversion.rs
@@ -0,0 +1,118 @@
+use std::{
+    fs::{self, remove_file, File},
+    io::{Read, Write},
+    time::Duration,
+};
+
+use apis::modrinth::{get_game_versions, GameVersion, GameVersionType};
+use error::{EType, MLErr, MLE};
+use indicatif::{ProgressBar, ProgressStyle};
+use serde::{Deserialize, Serialize};
+
+use crate::{apis, error, STYLE_MESSAGE};
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub enum VersionLevel {
+    #[serde(rename(serialize = "release", deserialize = "release"))]
+    Release,
+    #[serde(rename(serialize = "snapshot", deserialize = "snapshot"))]
+    Snapshot,
+    Version(String),
+}
+
+/// Checks if update needed (time)
+/// if yes: get versions, update
+/// # Errors
+pub async fn check_game_versions(path: &str, force: bool) -> MLE<()> {
+    let p = ProgressBar::new(1);
+    p.set_style(ProgressStyle::with_template(STYLE_MESSAGE).map_err(|_| {
+        MLErr::new(EType::LibIndicatif, "template error")
+    })?);
+    p.set_message("Update minecraft versions");
+
+    let creation_time = fs::metadata(path)?.created()?;
+    if !force
+        && creation_time.elapsed().map_err(|_| MLErr::new(EType::LibIndicatif, "SystemTimeError"))? < Duration::from_secs(60 * 60 * 24)
+    {
+        return Ok(());
+    }
+
+    let versions = get_game_versions().await?;
+    remove_file(path)?;
+    let mut file = File::create(path)?;
+    file.write_all(serde_json::to_string_pretty(&versions)?.as_bytes())?;
+
+    p.finish_with_message("Updated minecraft versions");
+    Ok(())
+}
+
+/// Loads game versions from file
+/// # Errors
+pub fn load_game_versions(path: &str) -> MLE<Vec<GameVersion>> {
+    let mut file = File::open(path)?;
+    let mut data = String::new();
+    file.read_to_string(&mut data)?;
+    let versions: Vec<GameVersion> = serde_json::from_str(&data)?;
+    Ok(versions)
+}
+
+impl VersionLevel {
+    pub fn from(str: &str) -> Self {
+        match str {
+            "release" => VersionLevel::Release,
+            "snapshot" => VersionLevel::Snapshot,
+            _ => VersionLevel::Version(String::from(str)),
+        }
+    }
+
+    /// .
+    ///
+    /// Panics if .
+    /// # Errors
+    pub async fn get(
+        self,
+        versions_path: &str,
+        force_update: bool,
+    ) -> MLE<String> {
+        let path = format!("{versions_path}/versions.json");
+        check_game_versions(&path, force_update).await?;
+        let mut versions = load_game_versions(&path)?.into_iter();
+
+        match self {
+            VersionLevel::Release => {
+                if let Some(release) = versions
+                    .find(|ver| ver.version_type == GameVersionType::release)
+                {
+                    Ok(release.version)
+                } else {
+                    Err(MLErr::new(
+                        EType::Other,
+                        "no minecraft release version found",
+                    ))
+                }
+            }
+            VersionLevel::Snapshot => {
+                if let Some(snapshot) = versions
+                    .find(|ver| ver.version_type == GameVersionType::snapshot)
+                {
+                    Ok(snapshot.version)
+                } else {
+                    Err(MLErr::new(
+                        EType::Other,
+                        "no minecraft snapshot version found",
+                    ))
+                }
+            }
+            VersionLevel::Version(v) => {
+                if versions.any(|ver| ver.version == v) {
+                    Ok(v)
+                } else {
+                    Err(MLErr::new(
+                        EType::ConfigError,
+                        "unknown minecraft version",
+                    ))
+                }
+            }
+        }
+    }
+}
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