From 252fb17d562df5215e3616ec0c19341354345abd Mon Sep 17 00:00:00 2001
From: Bauke <me@bauke.xyz>
Date: Thu, 22 Sep 2022 18:42:44 +0200
Subject: [PATCH] Add Serde, JSON and SteamApp stuff.

---
 Cargo.lock     | 25 +++++++++++++++++++++++++
 Cargo.toml     |  2 ++
 source/main.rs | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 429e118..1797fb9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -306,6 +306,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
+
 [[package]]
 name = "jetscii"
 version = "0.5.3"
@@ -505,6 +511,12 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+
 [[package]]
 name = "sct"
 version = "0.7.0"
@@ -535,6 +547,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.85"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"
@@ -559,6 +582,8 @@ dependencies = [
  "indicatif",
  "opml",
  "regex",
+ "serde",
+ "serde_json",
  "ureq",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index c5f4db2..0f07bbf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,8 @@ color-eyre = "0.6.2"
 indicatif = "0.17.1"
 opml = "1.1.4"
 regex = "1.6.0"
+serde = "1.0.144"
+serde_json = "1.0.85"
 ureq = "2.5.0"
 
 [dependencies.clap]
diff --git a/source/main.rs b/source/main.rs
index 81c39e2..8300d12 100644
--- a/source/main.rs
+++ b/source/main.rs
@@ -14,6 +14,8 @@ use {
   color_eyre::{install, Result},
   indicatif::{ProgressBar, ProgressStyle},
   regex::Regex,
+  serde::Deserialize,
+  serde_json::Value,
 };
 
 /// CLI arguments struct using [`clap`]'s Derive API.
@@ -39,11 +41,19 @@ pub struct Args {
   /// A game's store URL, can be used multiple times.
   #[clap(long)]
   pub url: Vec<String>,
+
+  /// A person's steamcommunity.com ID or full URL, can be used multiple times.
+  #[clap(long)]
+  pub user: Vec<String>,
 }
 
 /// A simple feed struct.
 #[derive(Debug)]
 pub struct Feed {
+  /// A potential alternate friendly URL, see [`SteamApp::friendly_url`] for an
+  /// explanation.
+  pub friendly_url: Option<String>,
+
   /// The text to use for the feed in the OPML output.
   pub text: Option<String>,
 
@@ -51,6 +61,29 @@ pub struct Feed {
   pub url: String,
 }
 
+/// A small representation of a Steam game that is parsed from JSON.
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SteamApp {
+  /// The AppID of the game.
+  pub appid: usize,
+
+  /// The name of the game.
+  pub name: String,
+
+  /// A friendly URL name of the game, some feeds will use this instead of their
+  /// AppID for their RSS feed.
+  ///
+  /// For example, [Portal's feed](https://steamcommunity.com/games/Portal/rss)
+  /// uses `Portal`, instead of
+  /// [its AppID 400](https://steamcommunity.com/games/400/rss).
+  ///
+  /// Some games may also have a friendly URL different from their AppID but
+  /// don't use it for their feed. Steam is weird.
+  #[serde(rename = "friendlyURL")]
+  pub friendly_url: Value,
+}
+
 fn main() -> Result<()> {
   install()?;
 
@@ -68,6 +101,7 @@ fn main() -> Result<()> {
 
   for appid in args.appid {
     potential_feeds.push(Feed {
+      friendly_url: None,
       text: Some(format!("Steam AppID {appid}")),
       url: appid_to_rss_url(appid),
     });
@@ -80,6 +114,7 @@ fn main() -> Result<()> {
       .and_then(|appid_match| appid_match.as_str().parse::<usize>().ok());
     if let Some(appid) = appid {
       potential_feeds.push(Feed {
+        friendly_url: None,
         text: Some(format!("Steam AppID {appid}")),
         url: appid_to_rss_url(appid),
       });