✨feat: add the github functionality

4 files changed, 90 insertions, 2 deletions

diff --git a/src/error.rs b/src/error.rs
index f946f58..85f85f6 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -11,6 +11,7 @@ pub enum Error {
         source: reqwest::Error,
     },
     InvalidAppImage,
+    InvalidSlug(String),
 
     #[from]
     Io(std::io::Error),
@@ -26,6 +27,12 @@ pub enum Error {
 
     #[from]
     IndicatifTemplate(indicatif::style::TemplateError),
+
+    #[from]
+    Octocrab(octocrab::Error),
+
+    #[from]
+    Dialoguer(dialoguer::Error),
 }
 
 impl core::fmt::Display for Error {
@@ -57,6 +64,9 @@ impl core::fmt::Display for Error {
             Error::InvalidAppImage => {
                 write!(fmt, "Invalid AppImage")
             }
+            Error::InvalidSlug(slug) => write!(fmt, "Invalid repository slug {slug}"),
+            Error::Octocrab(e) => write!(fmt, "Octocrab error: {e}"),
+            Error::Dialoguer(e) => write!(fmt, "Dialoguer error: {e}"),
         }
     }
 }
diff --git a/src/github.rs b/src/github.rs
new file mode 100644
index 0000000..50812d1
--- /dev/null
+++ b/src/github.rs
@@ -0,0 +1,69 @@
+use dialoguer::FuzzySelect;
+use octocrab::models::repos::Asset;
+
+use crate::{AppImage, Error, Result};
+
+pub async fn get_github_release_url(appimage: &AppImage) -> Result<String> {
+    let octocrab = octocrab::instance();
+
+    let (owner, repo) = appimage
+        .source
+        .meta
+        .url
+        .split_once('/')
+        .ok_or_else(|| Error::InvalidSlug(appimage.source.meta.url.to_string()))?;
+
+    let page = octocrab
+        .repos(owner, repo)
+        .releases()
+        .list()
+        .per_page(100)
+        .send()
+        .await?;
+
+    let mut tags: Vec<String> = vec![];
+
+    for releases in &page {
+        for asset in &releases.assets {
+            if asset.name.to_lowercase().ends_with(".appimage") {
+                tags.push(releases.tag_name.to_string());
+                break;
+            }
+        }
+    }
+
+    let tag_selection = FuzzySelect::new()
+        .with_prompt("Choose a release")
+        .items(&tags)
+        .interact()?;
+
+    let mut assets: Vec<Asset> = vec![];
+
+    for releases in page {
+        if releases.tag_name == tags[tag_selection] {
+            for asset in releases.assets {
+                if asset.name.to_lowercase().ends_with(".appimage") {
+                    assets.push(asset);
+                }
+            }
+        }
+    }
+
+    let mut asset_selection: usize = 0;
+
+    if assets.len() > 1 {
+        asset_selection = FuzzySelect::new()
+            .with_prompt("Choose an asset")
+            .items(
+                &assets
+                    .iter()
+                    .map(|x| x.name.to_string())
+                    .collect::<Vec<_>>(),
+            )
+            .interact()?;
+    }
+
+    let url = assets[asset_selection].browser_download_url.to_string();
+
+    Ok(url)
+}
diff --git a/src/lib.rs b/src/lib.rs
index 3e20bde..987f485 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,6 +7,7 @@ mod paths;
 mod symlink;
 mod tui;
 mod error;
+mod github;
 
 pub use crate::appimage::*;
 pub use crate::args::*;
@@ -17,3 +18,4 @@ pub use crate::paths::*;
 pub use crate::symlink::*;
 pub use crate::tui::*;
 pub use crate::error::*;
+pub use crate::github::*;
diff --git a/src/manager.rs b/src/manager.rs
index e0fb7ac..15f28d9 100644
--- a/src/manager.rs
+++ b/src/manager.rs
@@ -1,6 +1,8 @@
 use tokio::fs;
 
-use crate::{AppImage, Downloader, Index, Result, SymlinkManager, index_dir};
+use crate::{
+    AppImage, Downloader, Index, Result, SymlinkManager, get_github_release_url, index_dir,
+};
 
 #[derive(Debug, Default)]
 pub struct PackageManager {
@@ -32,7 +34,12 @@ impl PackageManager {
                 .download_with_progress(&appimage.source.meta.url, &appimage.file_path)
                 .await?;
         } else {
-            todo!()
+            self.downloader
+                .download_with_progress(
+                    &get_github_release_url(appimage).await?,
+                    &appimage.file_path,
+                )
+                .await?;
         }
 
         self.index.add(appimage, appname).await?;