Scaffholding for serving thumbnails

src/api.rs

@@ -17,6 +17,7 @@ use url::percent_encoding::percent_decode;
 
 use collection::*;
 use error::*;
+use utils::*;
 
 impl From<PError> for IronError {
     fn from(err: PError) -> IronError {
@@ -26,6 +27,7 @@ impl From<PError> for IronError {
             PError::ConflictingMount => IronError::new(err, status::BadRequest),
             PError::PathNotInVfs => IronError::new(err, status::NotFound),
             PError::CannotServeDirectory => IronError::new(err, status::BadRequest),
+            PError::UnsupportedFileType => IronError::new(err, status::BadRequest),
             PError::ConfigFileOpenError => IronError::new(err, status::InternalServerError),
             PError::ConfigFileReadError => IronError::new(err, status::InternalServerError),
             PError::ConfigFileParseError => IronError::new(err, status::InternalServerError),
@@ -184,8 +186,20 @@ fn serve(request: &mut Request, collection: &Collection) -> IronResult<Response>
     };
 
     if !metadata.is_file() {
-        return Err(IronError::new(PError::CannotServeDirectory, status::BadRequest));
+        return Err(IronError::from(PError::CannotServeDirectory));
     }
 
-    Ok(Response::with((status::Ok, real_path)))
+    if is_song(real_path.as_path()) {
+        return Ok(Response::with((status::Ok, real_path)))
+    }
+
+    if is_image(real_path.as_path()) {
+        return art(request);
+    }
+
+    Err(IronError::from(PError::UnsupportedFileType))
+}
+
+fn art(_: &mut Request) -> IronResult<Response> {
+    Err(IronError::from(PError::UnsupportedFileType))
 }

src/collection.rs

@@ -7,6 +7,7 @@ use regex::Regex;
 use config::Config;
 use vfs::*;
 use error::*;
+use utils::*;
 
 #[derive(Debug, RustcEncodable)]
 pub struct Album {
@@ -69,7 +70,7 @@ impl Album {
         } else {
             let find_song = try!(fs::read_dir(real_path)).find(|f| {
                 match *f {
-                    Ok(ref dir_entry) => Song::is_song(dir_entry.path().as_path()),
+                    Ok(ref dir_entry) => is_song(dir_entry.path().as_path()),
                     _ => false,
                 }
             });
@@ -149,23 +150,7 @@ impl Song {
         }
     }
 
-    fn is_song(path: &Path) -> bool {
+    
-        let extension = match path.extension() {
-            Some(e) => e,
-            _ => return false,
-        };
-        let extension = match extension.to_str() {
-            Some(e) => e,
-            _ => return false,
-        };
-        match extension {
-            "mp3" => return true,
-            "ogg" => return true,
-            "m4a" => return true,
-            "flac" => return true,
-            _ => return false,
-        }
-    }
 }
 
 #[derive(Debug, RustcEncodable)]
@@ -250,7 +235,7 @@ impl Collection {
                 let file_path = file.path();
                 let file_path = file_path.as_path();
                 if file_meta.is_file() {
-                    if Song::is_song(file_path) {
+                    if is_song(file_path) {
                         let song = try!(Song::read(self, file_path));
                         out.push(CollectionFile::Song(song));
                     }
@@ -273,7 +258,7 @@ impl Collection {
             let file_path = file.path();
             let file_path = file_path.as_path();
             if file_meta.is_file() {
-                if Song::is_song(file_path) {
+                if is_song(file_path) {
                     let song = try!(Song::read(self, file_path));
                     acc.push(song);
                 }

src/error.rs

@@ -10,6 +10,7 @@ pub enum PError {
     ConflictingMount,
     PathNotInVfs,
     CannotServeDirectory,
+    UnsupportedFileType,
     ConfigFileOpenError,
     ConfigFileReadError,
     ConfigFileParseError,
@@ -44,6 +45,7 @@ impl error::Error for PError {
             }
             PError::PathNotInVfs => "Requested path does not index a mount point",
             PError::CannotServeDirectory => "Only individual files can be served",
+            PError::UnsupportedFileType => "Unrecognized extension",
             PError::ConfigFileOpenError => "Could not open config file",
             PError::ConfigFileReadError => "Could not read config file",
             PError::ConfigFileParseError => "Could not parse config file",
@@ -75,6 +77,7 @@ impl fmt::Display for PError {
             PError::ConflictingMount => write!(f, "Mount point already has a target directory"),
             PError::PathNotInVfs => write!(f, "Requested path does not index a mount point"),
             PError::CannotServeDirectory => write!(f, "Only individual files can be served"),
+            PError::UnsupportedFileType => write!(f, "Unrecognized extension"),
             PError::ConfigFileOpenError => write!(f, "Could not open config file"),
             PError::ConfigFileReadError => write!(f, "Could not read config file"),
             PError::ConfigFileParseError => write!(f, "Could not parse config file"),

src/main.rs

@@ -37,6 +37,7 @@ mod config;
 mod ddns;
 mod error;
 mod ui;
+mod utils;
 mod vfs;
 
 const DEFAULT_CONFIG_FILE_NAME: &'static str = "polaris.toml";

src/utils.rs

@@ -0,0 +1,37 @@
+use std::path::Path;
+
+pub fn is_song(path: &Path) -> bool {
+	let extension = match path.extension() {
+		Some(e) => e,
+		_ => return false,
+	};
+	let extension = match extension.to_str() {
+		Some(e) => e,
+		_ => return false,
+	};
+	match extension {
+		"mp3" => return true,
+		"ogg" => return true,
+		"m4a" => return true,
+		"flac" => return true,
+		_ => return false,
+	}
+}
+
+pub fn is_image(path: &Path) -> bool {
+	let extension = match path.extension() {
+		Some(e) => e,
+		_ => return false,
+	};
+	let extension = match extension.to_str() {
+		Some(e) => e,
+		_ => return false,
+	};
+	match extension {
+		"png" => return true,
+		"gif" => return true,
+		"jpg" => return true,
+		"bmp" => return true,
+		_ => return false,
+	}
+}