add image downloading (nightmare nightmare nightmare i hate reqwest aaaaaaaaaaaaAA)

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2021"
 clap = { version = "4.3.3", features = ["derive"] }
 iced = "0.9.0"
 regex = "1.8.4"
-reqwest = "0.11.18"
+reqwest = {version="0.11.18",features=["blocking"]}
 scraper = "0.16.0"
 serde = { version = "1.0.164", features = ["derive"] }
 serde_json = "1.0.97"

src/cache.rs

@@ -0,0 +1,31 @@
+use std::{fs, process};
+
+pub async fn download_image(cache_path: &String, image_url: String, file_name: String) {
+    let replaced = cache_path.replace('~', &crate::get_home()[..]); // replace ~ with $HOME
+    crate::ensure_exists(&replaced);
+
+    let image = match reqwest::get(image_url).await {
+        Ok(image) => match image.bytes().await {
+            Ok(bytes) => bytes,
+            Err(why) => {
+                eprintln!("cache::download_image: Couldn't get the bytes of the current page's image: {why:?}");
+                process::exit(1);
+            }
+        },
+        Err(why) => {
+            eprintln!("cache::download_image: Couldn't get the current image: {why:?}");
+            process::exit(1);
+        }
+    };
+    // println!("{image:?}");
+
+    // println!("{}", yansi::Color::Magenta.paint(filename.clone()));
+
+    // println!("{}", yansi::Color::Magenta.paint(filepath.clone()));
+    println!("{replaced}/{file_name}");
+    let wrote = fs::write(format!("{replaced}/{file_name}"), image);
+    if let Err(why) = wrote {
+        eprintln!("cache::download_image: Couldn't save the image to `{replaced}/{file_name}`: {why:?}");
+        process::exit(1);
+    }
+}

src/main.rs

@@ -1,4 +1,5 @@
 use clap::Parser;
+use ggg::cache;
 
 #[derive(Parser, Debug)]
 #[command(author, version, about, long_about = None)]
@@ -20,5 +21,6 @@ async fn main() {
 
     let current_page = ggg::get_page(&config.latest_date).await;
 
-    println!("{:?}", &config);
+    println!("image url: {}\ncache folder: {}", &current_page.image, &config.cache_folder);
+    cache::download_image(&config.cache_folder, current_page.image, format!("{}.jpg", current_page.date)).await;
 }