wormhole-common 0.2.0

Common code for the Wormhole mod manager project.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

use zip::ZipArchive;

use crate::downloader::Downloader;
use std::{
    fs::{self, File},
    path::PathBuf,
};

pub struct BepInExInstallManager {
    pub ksp2_install_path: PathBuf,
    pub zip_url: String,
}

impl BepInExInstallManager {
    pub fn new(ksp2_install_path: PathBuf) -> Self {
        return BepInExInstallManager {
            ksp2_install_path,

            // For now, this is hard-coded because SpaceWarp uses BepInEx 5,
            // which is now in LTS mode. I would fetch the latest release
            // from GitHub, but I don't want to accidentally download
            // BepInEx 6 instead.
            zip_url: "https://github.com/BepInEx/BepInEx/releases/download/v5.4.21/BepInEx_x64_5.4.21.0.zip".to_string(),
        };
    }

    pub async fn download<W>(
        &mut self,
        on_progress: fn(u64, usize, W) -> (),
        on_finish: fn(u64, W) -> (),
        window: W,
    ) -> Result<(), String>
    where
        W: Clone,
    {
        if !self.ksp2_install_path.is_dir() {
            return Err("KSP2 install path is not a directory!".to_string());
        }

        let files_in_dir = self.ksp2_install_path.read_dir().unwrap();

        for file in files_in_dir {
            let file = file.unwrap();
            let file_name = file.file_name().into_string().unwrap();

            if file_name.contains("doorstop_config.ini")
                || file_name.contains(".doorstop_version")
                || file_name.contains("winhttp.dll")
                || file_name.contains("version.dll")
                || file_name.contains("BepInEx")
            {
                return Err("BepInEx or another mod loader is already installed!".to_string());
            }
        }

        let download_url = self.zip_url.clone();

        println!("Downloading from URL: {}", download_url);

        let out_file = self.ksp2_install_path.join(".bepinex_release.zip");

        Downloader::download(
            download_url,
            out_file.clone(),
            on_progress,
            on_finish,
            window,
        )
        .await;

        let mut zip = ZipArchive::new(File::open(out_file.clone()).unwrap()).unwrap();

        zip.extract(self.ksp2_install_path.clone())
            .expect("Could not extract the BepInEx release!");

        fs::remove_file(out_file).expect("Could not delete the BepInEx release file!");

        return Ok(());
    }
}