move FileExtension to utils.rs

1 files changed, 32 insertions, 0 deletions

diff --git a/src/utils.rs b/src/utils.rs
new file mode 100644
index 0000000..b8c1bea
--- /dev/null
+++ b/src/utils.rs
@@ -0,0 +1,32 @@
+use std::process::Command;
+use std::ffi::OsStr;
+use std::path::Path;
+
+/// Checks if given program is installed in your system
+pub fn is_installed(ss: &str) -> bool {
+    let output = Command::new("which")
+        .arg(ss)
+        .output()
+        .expect("Failed to execute command");
+
+    output.status.success()
+}
+
+/// Checks if a file has a given extension
+// https://stackoverflow.com/questions/72392835/check-if-a-file-is-of-a-given-type
+pub trait FileExtension {
+    fn has_extension<S: AsRef<str>>(&self, extensions: &[S]) -> bool;
+}
+
+impl<P: AsRef<Path>> FileExtension for P {
+    fn has_extension<S: AsRef<str>>(&self, extensions: &[S]) -> bool {
+        if let Some(extension) = self.as_ref().extension().and_then(OsStr::to_str) {
+            return extensions
+                .iter()
+                .any(|x| x.as_ref().eq_ignore_ascii_case(extension));
+        }
+
+        false
+    }
+}
+