Merge #482: Index API client: add timeout to requests

47f5242 chore: fix comment (Jose Celano)
3d3fc2d chore: add todo to seeder (Jose Celano)
2fc2016 refactor: [#472] move unwraps from API client up (Jose Celano)
1015945 chore: remove comment (Jose Celano)
564df07 docs: move comment (Jose Celano)
a8c2f84 refactor: [#472] move unwraps from generic HTTP client up to Index API client (Jose Celano)
26422fc feat: [#472] add timeout to API client requests (Jose Celano)
9ff4de4 feat: [#472] inject URL scheme in API client (Jose Celano)
2cf5f47 refactor: [#472] move generic HTTP client (Jose Celano)

Pull request description:

  The API client does not have any timeout. The client waits indefinitely for responses. That should not be the default behaviour. It should return an error after a timeout. The users using the client should handle the timeout or any other error.

  ### Subtasks

  - [x] Move generic HTTP client to HTTP mod.
  - [x] Generic HTTP client: Inject the scheme part of the URL in the constructor.
  - [x] Add timeouts to the generic HTTP client.
  - [x] Remove `unwraps` from the generic HTTP client. Return errors.
  - [x] Remove `unwraps` from the Index API HTTP client. Return errors.

ACKs for top commit:
  josecelano:
    ACK 47f5242

Tree-SHA512: 59cc901b58c19aff0f5258a5297d722389beb9d1ac38838fc470e9cc3e2159abc594cb05db7c1403e2111477149c1834a68f182425cbc101bc0c29c2d0b76613

src/console/commands/seeder/api.rs

@@ -35,7 +35,13 @@ pub async fn upload_torrent(client: &Client, upload_torrent_form: UploadTorrentM
         add_category(client, &upload_torrent_form.category).await;
     }
 
-    let response = client.upload_torrent(upload_torrent_form.into()).await;
+    // todo: if we receive timeout error we should retry later. Otherwise we
+    // have to restart the seeder manually.
+
+    let response = client
+        .upload_torrent(upload_torrent_form.into())
+        .await
+        .expect("API should return a response");
 
     debug!(target:"seeder", "response: {}", response.status);
 
@@ -68,7 +74,8 @@ pub async fn login(client: &Client, username: &str, password: &str) -> LoggedInU
             login: username.to_owned(),
             password: password.to_owned(),
         })
-        .await;
+        .await
+        .expect("API should return a response");
 
     let res: SuccessfulLoginResponse = serde_json::from_str(&response.body).unwrap_or_else(|_| {
         panic!(
@@ -86,21 +93,26 @@ pub async fn login(client: &Client, username: &str, password: &str) -> LoggedInU
 ///
 /// Panics if the response body is not a valid JSON.
 pub async fn get_categories(client: &Client) -> Vec<ListItem> {
-    let response = client.get_categories().await;
+    let response = client.get_categories().await.expect("API should return a response");
 
     let res: ListResponse = serde_json::from_str(&response.body).unwrap();
 
     res.data
 }
 
 /// It adds a new category.
+///
+/// # Panics
+///
+/// Will panic if it doesn't get a response form the API.
 pub async fn add_category(client: &Client, name: &str) -> TextResponse {
     client
         .add_category(AddCategoryForm {
             name: name.to_owned(),
             icon: None,
         })
         .await
+        .expect("API should return a response")
 }
 
 /// It checks if the category list contains the given category.

src/console/commands/seeder/app.rs

@@ -15,7 +15,7 @@
 //!
 //! ```text
 //! cargo run --bin seeder -- \
-//!   --api-base-url "localhost:3001" \
+//!   --api-base-url "http://localhost:3001" \
 //!   --number-of-torrents 1000 \
 //!   --user admin \
 //!   --password 12345678 \
@@ -127,12 +127,14 @@
 //!
 //! As you can see the `info` dictionary is exactly the same, which produces
 //! the same info-hash for the torrent.
+use std::str::FromStr;
 use std::thread::sleep;
 use std::time::Duration;
 
 use anyhow::Context;
 use clap::Parser;
 use log::{debug, info, LevelFilter};
+use reqwest::Url;
 use text_colorizer::Colorize;
 use uuid::Uuid;
 
@@ -173,9 +175,11 @@ pub async fn run() -> anyhow::Result<()> {
 
     let args = Args::parse();
 
-    let api_user = login_index_api(&args.api_base_url, &args.user, &args.password).await;
+    let api_url = Url::from_str(&args.api_base_url).context("failed to parse API base URL")?;
 
-    let api_client = Client::authenticated(&args.api_base_url, &api_user.token);
+    let api_user = login_index_api(&api_url, &args.user, &args.password).await;
+
+    let api_client = Client::authenticated(&api_url, &api_user.token);
 
     info!(target:"seeder", "Uploading { } random torrents to the Torrust Index with a { } seconds interval...", args.number_of_torrents.to_string().yellow(), args.interval.to_string().yellow());
 
@@ -202,7 +206,7 @@ pub async fn run() -> anyhow::Result<()> {
 }
 
 /// It logs in a user in the Index API.
-pub async fn login_index_api(api_url: &str, username: &str, password: &str) -> LoggedInUserData {
+pub async fn login_index_api(api_url: &Url, username: &str, password: &str) -> LoggedInUserData {
     let unauthenticated_client = Client::unauthenticated(api_url);
 
     info!(target:"seeder", "Trying to login with username: {} ...", username.yellow());