From 02b6157e0d52bda935f9f8353a9666a58af44386 Mon Sep 17 00:00:00 2001
From: phoenix <kundeng00@pm.me>
Date: Fri, 24 Oct 2025 16:19:38 +0000
Subject: [PATCH] tsk-79: Create function to generate CoverArt filename (#80)

Closes #79

Reviewed-on: https://git.kundeng.us/phoenix/icarus_models/pulls/80
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>
---
 Cargo.lock      |  2 +-
 Cargo.toml      |  2 +-
 src/coverart.rs | 37 +++++++++++++++++++++++++++++++++++++
 src/song.rs     |  4 +---
 src/types.rs    |  8 ++++++++
 5 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ad462e4..1298cee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -149,7 +149,7 @@ checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
 
 [[package]]
 name = "icarus_models"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "josekit",
  "rand",
diff --git a/Cargo.toml b/Cargo.toml
index 615ee65..8c04753 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "icarus_models"
-version = "0.8.0"
+version = "0.8.1"
 edition = "2024"
 rust-version = "1.90"
 description = "models used for the icarus project"
diff --git a/src/coverart.rs b/src/coverart.rs
index 259ed35..0d50feb 100644
--- a/src/coverart.rs
+++ b/src/coverart.rs
@@ -1,7 +1,10 @@
 use std::io::Write;
 
+use rand::Rng;
 use serde::{Deserialize, Serialize};
 
+const FILENAME_LENGTH: i32 = 16;
+
 #[derive(Clone, Debug, Default, Deserialize, Serialize, utoipa::ToSchema)]
 pub struct CoverArt {
     pub id: uuid::Uuid,
@@ -89,6 +92,40 @@ impl CoverArt {
     }
 }
 
+/// Generates filename for a CoverArt
+pub fn generate_filename(typ: crate::types::CoverArtTypes, randomize: bool) -> String {
+    let file_extension = match typ {
+        crate::types::CoverArtTypes::PngExtension => {
+            String::from(crate::constants::file_extensions::image::PNGEXTENSION)
+        }
+        crate::types::CoverArtTypes::JpegExtension => {
+            String::from(crate::constants::file_extensions::image::JPEGEXTENSION)
+        }
+        crate::types::CoverArtTypes::JpgExtension => {
+            String::from(crate::constants::file_extensions::image::JPGEXTENSION)
+        }
+    };
+
+    if randomize {
+        let mut filename: String = String::new();
+        let some_chars: String = String::from("abcdefghij0123456789");
+        let some_chars_length = some_chars.len();
+        let mut rng = rand::rng();
+
+        for _ in 0..FILENAME_LENGTH {
+            let index = rng.random_range(0..=some_chars_length);
+            let rando_char = some_chars.chars().nth(index);
+
+            if let Some(c) = rando_char {
+                filename.push(c);
+            }
+        }
+        filename + &file_extension
+    } else {
+        "track-output".to_string() + &file_extension
+    }
+}
+
 pub mod io {
     use std::io::Read;
 
diff --git a/src/song.rs b/src/song.rs
index af0f209..5d5f35d 100644
--- a/src/song.rs
+++ b/src/song.rs
@@ -129,14 +129,12 @@ impl Song {
     }
 }
 
-/// Generates a filename. In order to save a song to the filesystem, the song must have
-/// a directory and filename
+/// Generates a filename. In order to save a song to the filesystem
 pub fn generate_filename(typ: types::MusicTypes, randomize: bool) -> String {
     let file_extension = match typ {
         types::MusicTypes::DefaultMusicExtension => {
             String::from(constants::file_extensions::audio::DEFAULTMUSICEXTENSION)
         }
-
         types::MusicTypes::WavExtension => {
             String::from(constants::file_extensions::audio::WAVEXTENSION)
         }
diff --git a/src/types.rs b/src/types.rs
index e518320..f9e145f 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -1,6 +1,14 @@
+#[derive(Debug)]
 pub enum MusicTypes {
     DefaultMusicExtension,
     WavExtension,
     FlacExtension,
     MPThreeExtension,
 }
+
+#[derive(Debug)]
+pub enum CoverArtTypes {
+    PngExtension,
+    JpegExtension,
+    JpgExtension,
+}