completed downloading of mods

Cargo.lock

@@ -429,7 +429,6 @@ dependencies = [
  "toml",
  "ureq",
  "url",
- "urlencoding",
  "walkdir",
 ]
 
@@ -1381,12 +1380,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "urlencoding"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
-
 [[package]]
 name = "utf-8"
 version = "0.7.6"

Cargo.toml

@@ -16,5 +16,4 @@ thiserror = "2.0.18"
 toml = "1.0.3"
 ureq = { version = "3.2.0", features = ["json"] }
 url = "2.5.8"
-urlencoding = "2.1.3"
 walkdir = "2.5.0"

src/main.rs

@@ -1,13 +1,13 @@
 use anyhow::anyhow;
 use clap::Parser;
-use log::{debug, error};
+use log::debug;
 use std::{error::Error, path::Path};
 
 use crate::{
     activator::activate_instance,
     cli::Args,
     instance::{files_to_install_mod, insert_mod_to_instance},
-    nexus::{NXMUrl, NexusAPI, download_mod},
+    nexus::{NexusAPI,download_nxm},
     types::RootConfig,
 };
 
@@ -63,16 +63,16 @@ fn command_order(root_config: &RootConfig, instance_id: &str) -> anyhow::Result<
     Ok(())
 }
 
-fn command_download(api_key: &str, nxm_url: &str) -> anyhow::Result<()> {
-    let api = NexusAPI::new(api_key);
-    let Some(parsed_url) = NXMUrl::parse_url(nxm_url) else {
-        error!("Failed to parse url");
-        return Ok(());
+fn command_download(root_config: &RootConfig, nxm_url: &str) -> anyhow::Result<()> {
+    let Some(dl_location) = root_config.download_location() else {
+        return Err(anyhow!("No download location set"));
     };
 
-    let links = api.generate_download_link_for_file(&parsed_url)?;
+    let Some(api_key) = root_config.nexus_api_key() else {
+        return Err(anyhow!("No API key provided"));
+    };
 
-    download_mod(links.first().unwrap(), "./data/mod.7z")?;
+    download_nxm(api_key, nxm_url, dl_location)?;
 
     Ok(())
 }
@@ -108,7 +108,7 @@ fn main() -> Result<(), Box<dyn Error>> {
             api.validate_key()?;
         }
         cli::Commands::Download { url } => {
-            command_download(root_config.nexus_api_key().unwrap(), &url)?;
+            command_download(&root_config, &url)?;
         }
     }
 

src/nexus.rs

@@ -1,7 +1,7 @@
-mod url;
 mod api;
 mod downloader;
+mod url;
 
-pub use url::NXMUrl;
 pub use api::NexusAPI;
-pub use downloader::download_mod;
+pub use downloader::download_nxm;
+pub use url::NXMUrl;

src/nexus/api.rs

@@ -1,5 +1,4 @@
 use serde::Deserialize;
-use ureq::http::Uri;
 use url::Url;
 
 use crate::nexus::NXMUrl;
@@ -28,6 +27,20 @@ impl NexusAPI {
         Ok(())
     }
 
+    pub fn mod_info(&self, game_name: &str, mod_id: &str) -> anyhow::Result<ModInfo> {
+        let mod_info: ModInfo = ureq::get(format!(
+            "{}/v1/games/{}/mods/{}.json",
+            NEXUS_ENDPOINT, game_name, mod_id
+        ))
+        .header("apikey", &self.api_key)
+        .header("accept", "application/json")
+        .call()?
+        .body_mut()
+        .read_json()?;
+
+        Ok(mod_info)
+    }
+
     pub fn generate_download_link_for_file(
         &self,
         url: &NXMUrl,
@@ -64,3 +77,38 @@ pub struct DownloadLocation {
     pub uri: String,
 }
 
+impl DownloadLocation {
+    pub fn parse_url(&self) -> Result<Url, url::ParseError> {
+        Url::parse(&self.uri)
+    }
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ModInfo {
+    pub name: String,
+    // pub summary: String,
+    // pub description: String,
+    // pub picture_url: String,
+    // pub mod_downloads: u64,
+    // pub mod_unique_downloads: u64,
+    // pub uid: u64,
+    pub mod_id: u64,
+    // pub game_id: u64,
+    // pub allow_rating: bool,
+    // pub domain_name: String,
+    // pub category_id: u64,
+    pub version: String,
+    // pub endorsement_count: u64,
+    // pub created_timestamp: u64,
+    // pub created_time: String,
+    pub updated_timestamp: u64,
+    pub updated_time: String,
+    // pub author: String,
+    // pub uploaded_by: String,
+    // pub uploaded_users_profile_url: String,
+    // pub contains_adult_content: bool,
+    // pub status: String,
+    // pub available: bool,
+    // pub user: String /* Complex struct */,
+    // pub endorsement: String /* Complex struct*/ ,
+}

src/nexus/downloader.rs

@@ -1,20 +1,46 @@
-use std::{fs::File, io, path::Path};
+use std::{
+    fs::{File, create_dir_all},
+    io,
+    path::{Path, PathBuf},
+};
 
 use anyhow::anyhow;
 use log::info;
-use urlencoding::encode;
 
-use crate::nexus::api::DownloadLocation;
+use crate::nexus::{
+    NXMUrl, NexusAPI,
+    api::{DownloadLocation, ModInfo},
+};
 
-pub fn download_mod(
-    mod_dl_link: &DownloadLocation,
-    target: impl AsRef<Path>,
-) -> anyhow::Result<()> {
-    let encoded = encode(&mod_dl_link.uri).to_string();
+pub fn download_nxm(api_key: &str, link: &str, target_dir: impl AsRef<Path>) -> anyhow::Result<()> {
+    let api = NexusAPI::new(api_key);
+    let Some(parsed_url) = NXMUrl::parse_url(link) else {
+        return Err(anyhow!("Failed to parse url"));
+    };
 
+    let mod_info = api.mod_info(&parsed_url.game, &parsed_url.mod_id)?;
+    let links = api.generate_download_link_for_file(&parsed_url)?;
+    let selected_mirror = links.first().unwrap();
+    let url = selected_mirror.parse_url()?;
+    let original_filename = url.path_segments().and_then(|mut e| e.next_back()).unwrap();
+    let filename = gen_filename_for_mod(&mod_info, original_filename);
+    let download_path = target_dir.as_ref().join(parsed_url.game).join(filename);
+
+    if let Some(parent) = download_path.parent() {
+        create_dir_all(parent)?;
+    }
+
+    download_mod(selected_mirror, download_path)?;
+
+    Ok(())
+}
+
+fn download_mod(mod_dl_link: &DownloadLocation, target: impl AsRef<Path>) -> anyhow::Result<()> {
     info!("Downloading file from {}", mod_dl_link.name);
 
-    let (response, body) = ureq::get(&encoded).call()?.into_parts();
+    let (response, body) = ureq::get(mod_dl_link.parse_url()?.as_str())
+        .call()?
+        .into_parts();
 
     if !response.status.is_success() {
         return Err(anyhow!("Got status {}", response.status));
@@ -27,3 +53,13 @@ pub fn download_mod(
 
     Ok(())
 }
+
+fn gen_filename_for_mod(mod_info: &ModInfo, dl_filename: &str) -> String {
+    let filename_from_url = PathBuf::from(dl_filename);
+    let ext = filename_from_url
+        .extension()
+        .unwrap_or_default()
+        .to_string_lossy();
+
+    format!("{}-{}.{}", mod_info.mod_id, mod_info.version, ext)
+}