Add license information, part of #160

Cargo.toml

@@ -11,11 +11,13 @@ freedesktop_entry_parser = "1"
 lazy_static = "1"
 log = "0.4"
 notify-rust = "4"
+open = "5"
 paste = "1"
 rayon = "1"
 regex = "1"
 reqwest = "0.11"
 serde = { version = "1", features = ["rc", "serde_derive"] }
+spdx = { git = "https://github.com/jackpot51/spdx.git" }
 tokio = { version = "1", features = ["sync"] }
 xdg = "2"
 # Internationalization
@@ -70,3 +72,9 @@ members = ["flathub-stats"]
 # libcosmic = { path = "../libcosmic" }
 # cosmic-config = { path = "../libcosmic/cosmic-config" }
 # cosmic-theme = { path = "../libcosmic/cosmic-theme" }
+
+# [patch.'https://github.com/jackpot51/appstream.git']
+# appstream = { path = "../../appstream" }
+
+# [patch.'https://github.com/jackpot51/spdx.git']
+# spdx = { path = "../../spdx" }

i18n/en/cosmic_store.ftl

@@ -50,6 +50,7 @@ source-installed = {$source} (installed)
 developer = Developer
 app-developers = {$app} Developers
 monthly-downloads = Flathub Monthly Downloads
+licenses = Licenses
 
 # Context Pages
 

src/app_info.rs

@@ -128,6 +128,7 @@ pub struct AppInfo {
     pub summary: String,
     pub developer_name: String,
     pub description: String,
+    pub license_opt: Option<String>,
     pub pkgnames: Vec<String>,
     pub categories: Vec<String>,
     pub desktop_ids: Vec<String>,
@@ -282,6 +283,7 @@ impl AppInfo {
             summary: summary.to_string(),
             developer_name: developer_name.to_string(),
             description,
+            license_opt: component.project_license.map(|x| x.to_string()),
             pkgnames: component.pkgname.map_or(Vec::new(), |x| vec![x]),
             categories,
             desktop_ids,

src/backend/flatpak.rs

@@ -180,6 +180,7 @@ impl Flatpak {
                     summary,
                     developer_name: String::new(),
                     description,
+                    license_opt: None,
                     pkgnames: Vec::new(),
                     categories: Vec::new(),
                     desktop_ids: Vec::new(),

src/backend/packagekit.rs

@@ -200,6 +200,7 @@ impl Packagekit {
                     summary: tx_detail.summary.clone(),
                     developer_name: String::new(),
                     description: tx_detail.description.clone(),
+                    license_opt: None,
                     pkgnames: vec![package_name.to_string()],
                     categories: Vec::new(),
                     desktop_ids: Vec::new(),
@@ -284,6 +285,7 @@ impl Packagekit {
                     summary,
                     developer_name: String::new(),
                     description,
+                    license_opt: None,
                     pkgnames,
                     categories: Vec::new(),
                     desktop_ids: Vec::new(),

src/main.rs

@@ -168,6 +168,7 @@ pub enum Message {
     Installed(Vec<(&'static str, Package)>),
     InstalledResults(Vec<SearchResult>),
     Key(Modifiers, Key),
+    LaunchUrl(String),
     MaybeExit,
     Notification(Arc<Mutex<notify_rust::NotificationHandle>>),
     OpenDesktopId(String),
@@ -1482,7 +1483,8 @@ impl App {
             AppTheme::Light => 2,
             AppTheme::System => 0,
         };
-        widget::settings::view_column(vec![widget::settings::view_section(fl!("appearance"))
+        widget::settings::view_column(vec![widget::settings::section()
+            .title(fl!("appearance"))
             .add(
                 widget::settings::item::builder(fl!("theme")).control(widget::dropdown(
                     &self.app_themes,
@@ -1850,6 +1852,49 @@ impl App {
                     break;
                 }
 
+                if let Some(license) = &selected.info.license_opt {
+                    let mut license_col = widget::column::with_capacity(2).spacing(space_xxxs);
+                    license_col = license_col.push(widget::text::title4(fl!("licenses")));
+                    match spdx::Expression::parse_mode(license, spdx::ParseMode::LAX) {
+                        Ok(expr) => {
+                            for item in expr.requirements() {
+                                match &item.req.license {
+                                    spdx::LicenseItem::Spdx { id, .. } => {
+                                        license_col =
+                                            license_col.push(widget::text::body(id.full_name));
+                                    }
+                                    spdx::LicenseItem::Other { lic_ref, .. } => {
+                                        let mut license_row = widget::row::with_capacity(2)
+                                            .spacing(space_xxxs)
+                                            .align_items(Alignment::Center);
+                                        let mut parts = lic_ref.splitn(2, '=');
+                                        if let Some(id) = parts.next() {
+                                            license_row = license_row
+                                                .push(widget::text::body(format!("Custom: {id}")));
+                                            if let Some(url) = parts.next() {
+                                                license_row = license_row.push(
+                                                    widget::button::link(url.to_string()).on_press(
+                                                        Message::LaunchUrl(url.to_string()),
+                                                    ),
+                                                )
+                                            }
+                                        } else {
+                                            license_row = license_row
+                                                .push(widget::text::body(format!("Custom")));
+                                        }
+                                        license_col = license_col.push(license_row);
+                                    }
+                                }
+                            }
+                        }
+                        Err(err) => {
+                            license_col = license_col.push(widget::text::body(license));
+                            license_col = license_col.push(widget::text::body(format!("{}", err)));
+                        }
+                    }
+                    column = column.push(license_col);
+                }
+
                 column.into()
             }
             None => match &self.search_results {
@@ -2445,6 +2490,12 @@ impl Application for App {
                     }
                 }
             }
+            Message::LaunchUrl(url) => match open::that_detached(&url) {
+                Ok(()) => {}
+                Err(err) => {
+                    log::warn!("failed to open {:?}: {}", url, err);
+                }
+            },
             Message::MaybeExit => {
                 if self.window_id_opt.is_none() && self.pending_operations.is_empty() {
                     // Exit if window is closed and there are no pending operations