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use {GitDirectory, DirectoryEntry, TreeEntryExt};
use std::cmp::Ordering;
use git2::Tree;
pub trait TreeExt {
fn entry_names(&self) -> Vec<String>;
fn dir_listing(&self) -> GitDirectory;
}
impl<'repo> TreeExt for Tree<'repo> {
fn entry_names(&self) -> Vec<String> {
self.iter()
.filter_map(|n|
if let Some(s) = n.name() {
Some(s.to_owned())
} else {
None
})
.collect()
}
fn dir_listing(&self) -> GitDirectory {
let mut dirs: Vec<DirectoryEntry> = vec![];
let mut files: Vec<DirectoryEntry> = vec![];
let names = self.entry_names();
names.into_iter().for_each(|name| {
if let Some(node) = self.get_name(&name) {
let entry = DirectoryEntry {
name,
node,
};
if entry.node.is_dir() {
dirs.push(entry);
} else {
files.push(entry);
}
}
});
let sort_alpha: fn(&DirectoryEntry, &DirectoryEntry) -> Ordering =
|a, b| a.name.cmp(&b.name);
dirs.sort_by(sort_alpha);
files.sort_by(sort_alpha);
GitDirectory {
dirs,
files,
}
}
}