From 41e1b2aaf6eb7d9de2a3444221b0b7c90374a9f9 Mon Sep 17 00:00:00 2001
From: Bauke <me@bauke.xyz>
Date: Wed, 21 Sep 2022 15:48:49 +0200
Subject: [PATCH] Base functionality commit, 0.1.0.

---
 Cargo.lock     | 769 +++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml     |  21 ++
 README.md      |  21 ++
 source/main.rs |  74 +++++
 4 files changed, 885 insertions(+)
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 README.md
 create mode 100644 source/main.rs

diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..0a1b1ec
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3f2517f
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "steam-rss"
+description = "Get RSS feeds for Steam games."
+repository = "https://git.bauke.xyz/Bauke/steam-rss"
+license = "AGPL-3.0-or-later"
+version = "0.1.0"
+authors = ["Bauke <me@bauke.xyz>"]
+edition = "2021"
+
+[[bin]]
+name = "steam-rss"
+path = "source/main.rs"
+
+[dependencies]
+color-eyre = "0.6.2"
+indicatif = "0.17.1"
+ureq = "2.5.0"
+
+[dependencies.clap]
+features = ["derive"]
+version = "3.2.22"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..cdeb287
--- /dev/null
+++ b/README.md
@@ -0,0 +1,21 @@
+# Steam RSS
+
+> **Get RSS feeds for Steam games.**
+
+*AGPL-3.0-or-later*
+
+## `--help`
+
+```
+USAGE:
+    steam-rss [OPTIONS]
+
+OPTIONS:
+    -a, --appid <APPID>        A game's AppID, can be used multiple times
+    -h, --help                 Print help information
+    -t, --timeout <TIMEOUT>    The time in milliseconds to sleep between HTTP requests [default:
+                               250]
+    -v, --verify               Verify potential feeds by downloading them and checking if they
+                               return XML
+    -V, --version              Print version information
+```
diff --git a/source/main.rs b/source/main.rs
new file mode 100644
index 0000000..627f3cd
--- /dev/null
+++ b/source/main.rs
@@ -0,0 +1,74 @@
+//! # Steam RSS
+//!
+//! > **Get RSS feeds for Steam games.**
+//!
+//! *AGPL-3.0-or-later*
+
+#![forbid(unsafe_code)]
+#![warn(missing_docs, clippy::missing_docs_in_private_items)]
+
+use std::{thread::sleep, time::Duration};
+
+use {
+  clap::Parser,
+  color_eyre::{install, Result},
+  indicatif::{ProgressBar, ProgressStyle},
+};
+
+/// CLI arguments struct using [`clap`]'s Derive API.
+#[derive(Debug, Parser)]
+#[clap(about, author, version)]
+pub struct Args {
+  /// A game's AppID, can be used multiple times.
+  #[clap(short, long)]
+  pub appid: Vec<usize>,
+
+  /// The time in milliseconds to sleep between HTTP requests.
+  #[clap(short, long, default_value = "250")]
+  pub timeout: u64,
+
+  /// Verify potential feeds by downloading them and checking if they return XML.
+  #[clap(short, long)]
+  pub verify: bool,
+}
+
+fn main() -> Result<()> {
+  install()?;
+
+  let args = Args::parse();
+  let timeout = Duration::from_millis(args.timeout);
+
+  let ureq_agent = ureq::AgentBuilder::new()
+    .user_agent("Steam Feeds (https://git.bauke.xyz/Bauke/steam-rss)")
+    .build();
+  let mut potential_feeds = vec![];
+  let mut feeds_to_output = vec![];
+
+  for appid in args.appid {
+    potential_feeds
+      .push(format!("https://steamcommunity.com/games/{appid}/rss/"));
+  }
+
+  if args.verify {
+    let progress = ProgressBar::new(potential_feeds.len().try_into()?)
+      .with_style(ProgressStyle::with_template("Verifying {pos}/{len} {bar}")?);
+
+    for potential_feed in potential_feeds {
+      let response = ureq_agent.get(&potential_feed).call()?;
+      if response.content_type() == "text/xml" {
+        feeds_to_output.push(potential_feed);
+      }
+
+      sleep(timeout);
+      progress.inc(1);
+    }
+  } else {
+    feeds_to_output = potential_feeds;
+  }
+
+  for feed in feeds_to_output {
+    println!("{feed}");
+  }
+
+  Ok(())
+}