Initial commit.

Walks over all movie directories, pulls some metadata into a hashmap and
then pretty prints it.

src/main.rs

@@ -0,0 +1,80 @@
+use std::collections::HashMap;
+use std::error::Error;
+use std::fmt;
+use std::fs::File;
+use std::io::BufReader;
+use std::path::Path;
+
+use glob::glob;
+use human_format::Formatter;
+use human_format::Scales;
+use serde::Deserialize;
+
+const MOVIE_DIR: &str = "/home/wathiede/Movies";
+
+#[derive(Deserialize, Debug)]
+struct Resolution(usize, usize);
+impl fmt::Display for Resolution {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let v = format!("{}x{}", self.0, self.1);
+        f.pad(&v)
+    }
+}
+
+#[derive(Deserialize, Debug)]
+struct Metadata {
+    size: usize,
+    dimension: Resolution,
+    duration_text: String,
+    duration: f32,
+}
+
+#[derive(Deserialize, Debug)]
+struct MetadataFile {
+    #[serde(flatten)]
+    metadata: HashMap<String, Metadata>,
+}
+
+fn read_metadata_from_file<P: AsRef<Path>>(path: P) -> Result<MetadataFile, Box<dyn Error>> {
+    // Open the file in read-only mode with buffer.
+    let file = File::open(path)?;
+    let reader = BufReader::new(file);
+
+    // Read the JSON contents of the file as an instance of `User`.
+    let md = serde_json::from_reader(reader)?;
+
+    // Return the `User`.
+    Ok(md)
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let mut movies = HashMap::new();
+    for md in glob(&format!("{}/*/metadata.json", MOVIE_DIR))? {
+        match md {
+            Ok(path) => {
+                let mdf = read_metadata_from_file(&path)?;
+                for (name, md) in mdf.metadata {
+                    movies.insert(name, md);
+                }
+            }
+            Err(e) => eprintln!("{:?}", e),
+        }
+    }
+
+    let mut names = movies.keys().collect::<Vec<_>>();
+    names.sort();
+    let mut fmtr = Formatter::new();
+    fmtr.with_separator("");
+    fmtr.with_scales(Scales::Binary());
+    for name in names {
+        let md = &movies[name];
+        println!(
+            "{:>9} {:>8} {} {}",
+            md.dimension,
+            fmtr.format(md.size as f64),
+            md.duration_text,
+            &name[MOVIE_DIR.len() + 1..]
+        );
+    }
+    Ok(())
+}