vsix 1.0.2

A command-line utility that downloads and installs .vsix extensions into Visual Studio Code and Cursor
Documentation 
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use super::Extension;
use std::str::FromStr;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum SortField {
    Name,
    Downloads,
    Publisher,
}

impl FromStr for SortField {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "name" => Ok(SortField::Name),
            "downloads" => Ok(SortField::Downloads),
            "publisher" => Ok(SortField::Publisher),
            _ => Err(format!("Invalid sort field: {s}")),
        }
    }
}

impl SortField {
    pub fn sort_extensions(&self, extensions: &mut [Extension], reverse: bool) {
        extensions.sort_by(|a, b| {
            let ordering = match self {
                SortField::Name => a
                    .display_name
                    .to_lowercase()
                    .cmp(&b.display_name.to_lowercase()),
                SortField::Downloads => b.downloads.cmp(&a.downloads), // Default descending for downloads
                SortField::Publisher => a.publisher.to_lowercase().cmp(&b.publisher.to_lowercase()),
            };

            if reverse {
                ordering.reverse()
            } else {
                ordering
            }
        });
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_sort_field_from_str() {
        assert_eq!(SortField::from_str("name"), Ok(SortField::Name));
        assert_eq!(SortField::from_str("NAME"), Ok(SortField::Name));
        assert_eq!(SortField::from_str("downloads"), Ok(SortField::Downloads));
        assert_eq!(SortField::from_str("publisher"), Ok(SortField::Publisher));
        assert!(SortField::from_str("invalid").is_err());
    }

    #[test]
    fn test_sort_by_name() {
        let mut extensions = vec![
            Extension {
                id: "1".to_string(),
                name: "ext1".to_string(),
                publisher: "pub1".to_string(),
                version: "1.0".to_string(),
                display_name: "Zebra".to_string(),
                description: None,
                downloads: 100,
            },
            Extension {
                id: "2".to_string(),
                name: "ext2".to_string(),
                publisher: "pub2".to_string(),
                version: "1.0".to_string(),
                display_name: "Alpha".to_string(),
                description: None,
                downloads: 200,
            },
        ];

        SortField::Name.sort_extensions(&mut extensions, false);
        assert_eq!(extensions[0].display_name, "Alpha");
        assert_eq!(extensions[1].display_name, "Zebra");

        SortField::Name.sort_extensions(&mut extensions, true);
        assert_eq!(extensions[0].display_name, "Zebra");
        assert_eq!(extensions[1].display_name, "Alpha");
    }

    #[test]
    fn test_sort_by_downloads() {
        let mut extensions = vec![
            Extension {
                id: "1".to_string(),
                name: "ext1".to_string(),
                publisher: "pub1".to_string(),
                version: "1.0".to_string(),
                display_name: "A".to_string(),
                description: None,
                downloads: 100,
            },
            Extension {
                id: "2".to_string(),
                name: "ext2".to_string(),
                publisher: "pub2".to_string(),
                version: "1.0".to_string(),
                display_name: "B".to_string(),
                description: None,
                downloads: 200,
            },
        ];

        SortField::Downloads.sort_extensions(&mut extensions, false);
        assert_eq!(extensions[0].downloads, 200); // Higher downloads first
        assert_eq!(extensions[1].downloads, 100);
    }
}