ajour · casperstorm · Oct 15, 2020 · Oct 15, 2020 · Oct 15, 2020 · Oct 15, 2020
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,7 +9,8 @@ The sections should follow the order `Packaging`, `Added`, `Changed`, `Fixed` an
 
 ## [Unreleased]
 ### Added
-- It is now possible to open the addon website for more information by pressing the title in the catalog
+- When pressing on either `local` or `remote` version in MyAddons you will see the changelog
+- When pressing on the addon title inside the catalog Ajour will open the addon website
 
 ## [0.4.1] - 2020-10-11
 ### Added

diff --git a/crates/core/src/addon.rs b/crates/core/src/addon.rs
@@ -5,6 +5,12 @@ use std::cmp::Ordering;
 use std::collections::HashMap;
 use std::path::PathBuf;
 
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub enum AddonVersionKey {
+    Local,
+    Remote,
+}
+
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub struct RemotePackage {
     pub version: String,
@@ -103,6 +109,12 @@ pub struct Addon {
     #[cfg(feature = "gui")]
     pub details_btn_state: iced_native::button::State,
     #[cfg(feature = "gui")]
+    pub remote_btn_state: iced_native::button::State,
+    #[cfg(feature = "gui")]
+    pub local_btn_state: iced_native::button::State,
+    #[cfg(feature = "gui")]
+    pub full_changelog_btn_state: iced_native::button::State,
+    #[cfg(feature = "gui")]
     pub update_btn_state: iced_native::button::State,
     #[cfg(feature = "gui")]
     pub force_btn_state: iced_native::button::State,
@@ -154,6 +166,12 @@ impl Addon {
             #[cfg(feature = "gui")]
             details_btn_state: Default::default(),
             #[cfg(feature = "gui")]
+            remote_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
+            local_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
+            full_changelog_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
             update_btn_state: Default::default(),
             #[cfg(feature = "gui")]
             force_btn_state: Default::default(),
@@ -192,6 +210,12 @@ impl Addon {
             #[cfg(feature = "gui")]
             details_btn_state: Default::default(),
             #[cfg(feature = "gui")]
+            remote_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
+            local_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
+            full_changelog_btn_state: Default::default(),
+            #[cfg(feature = "gui")]
             update_btn_state: Default::default(),
             #[cfg(feature = "gui")]
             force_btn_state: Default::default(),

diff --git a/crates/core/src/curse_api.rs b/crates/core/src/curse_api.rs
@@ -3,6 +3,7 @@ use crate::{
     config::Flavor,
     error::ClientError,
     network::{post_json_async, request_async},
+    utility::{regex_html_tags_to_newline, regex_html_tags_to_space, truncate},
     Result,
 };
 use isahc::prelude::*;
@@ -129,6 +130,26 @@ pub async fn fetch_remote_packages_by_ids(curse_ids: &[u32]) -> Result<Vec<Packa
     }
 }
 
+pub async fn fetch_changelog(id: u32, file_id: i64) -> Result<(String, String)> {
+    let url = format!("{}/addon/{}/file/{}/changelog", API_ENDPOINT, id, file_id);
+    let client = HttpClient::builder().build().unwrap();
+    let mut resp = request_async(&client, &url.clone(), vec![], None).await?;
+
+    if resp.status().is_success() {
+        let changelog: String = resp.text()?;
+
+        let c = regex_html_tags_to_newline()
+            .replace_all(&changelog, "\n")
+            .to_string();
+        let c = regex_html_tags_to_space().replace_all(&c, "").to_string();
+        let c = truncate(&c, 2500).to_string();
+
+        return Ok((c, url));
+    }
+
+    Ok(("No changelog found.".to_owned(), url))
+}
+
 pub async fn fetch_game_info() -> Result<GameInfo> {
     let url = format!("{}/game/1", API_ENDPOINT);
     let client = HttpClient::builder().build().unwrap();

diff --git a/crates/core/src/tukui_api.rs b/crates/core/src/tukui_api.rs
@@ -1,4 +1,11 @@
-use crate::{addon::Addon, config::Flavor, error::ClientError, network::request_async, Result};
+use crate::{
+    addon::Addon,
+    config::Flavor,
+    error::ClientError,
+    network::request_async,
+    utility::{regex_html_tags_to_newline, regex_html_tags_to_space, truncate},
+    Result,
+};
 use isahc::config::RedirectPolicy;
 use isahc::prelude::*;
 use serde::Deserialize;
@@ -29,6 +36,20 @@ fn api_endpoint(id: &str, flavor: &Flavor) -> String {
     }
 }
 
+fn changelog_endpoint(id: &str, flavor: &Flavor) -> String {
+    match flavor {
+        Flavor::Retail => match id {
+            "-1" => "https://www.tukui.org/ui/tukui/changelog".to_owned(),
+            "-2" => "https://www.tukui.org/ui/elvui/changelog".to_owned(),
+            _ => format!("https://www.tukui.org/addons.php?id={}&changelog", id),
+        },
+        Flavor::Classic => format!(
+            "https://www.tukui.org/classic-addons.php?id={}&changelog",
+            id
+        ),
+    }
+}
+
 /// Function to fetch a remote addon package which contains
 /// information about the addon on the repository.
 pub async fn fetch_remote_package(id: &str, flavor: &Flavor) -> Result<TukuiPackage> {
@@ -75,3 +96,39 @@ pub async fn latest_stable_addon_from_id(
 
     Ok((tukui_id, flavor, addon))
 }
+
+pub async fn fetch_changelog(id: &str, flavor: &Flavor) -> Result<(String, String)> {
+    let url = changelog_endpoint(id, &flavor);
+
+    match flavor {
+        Flavor::Retail => {
+            // Only TukUI and ElvUI main addons has changelog which can be fetched.
+            // The others is embeded into a page.
+            if id == "-1" || id == "-2" {
+                let client = HttpClient::builder().build().unwrap();
+                let mut resp = request_async(&client, &url.clone(), vec![], None).await?;
+
+                if resp.status().is_success() {
+                    let changelog: String = resp.text()?;
+
+                    let c = regex_html_tags_to_newline()
+                        .replace_all(&changelog, "\n")
+                        .to_string();
+                    let c = regex_html_tags_to_space().replace_all(&c, "").to_string();
+                    let c = truncate(&c, 2500).to_string();
+
+                    return Ok((c, url));
+                }
+
+                return Ok(("No changelog found".to_string(), url));
+            }
+
+            Ok(("Please view this changelog in the browser by pressing 'Full Changelog' to the right".to_string(), url))
+        }
+        Flavor::Classic => Ok((
+            "Please view this changelog in the browser by pressing 'Full Changelog' to the right"
+                .to_string(),
+            url,
+        )),
+    }
+}
diff --git a/crates/core/src/utility.rs b/crates/core/src/utility.rs
@@ -16,6 +16,21 @@ pub fn strip_non_digits(string: &str) -> Option<String> {
     Some(stripped)
 }
 
+pub fn truncate(s: &str, max_chars: usize) -> &str {
+    match s.char_indices().nth(max_chars) {
+        None => s,
+        Some((idx, _)) => &s[..idx],
+    }
+}
+
+pub fn regex_html_tags_to_newline() -> Regex {
+    regex::Regex::new(r"<br ?/?>|#.\s").unwrap()
+}
+
+pub fn regex_html_tags_to_space() -> Regex {
+    regex::Regex::new(r"&nbsp;|&quot;|&lt;|&gt;|&amp;|gt;|lt;|&#x27;|<.+?>").unwrap()
+}
+
 #[derive(Deserialize)]
 struct Release {
     tag_name: String,