don't hate me, old git is fuck up

src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+

src-tauri/.rustfmt.toml

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+tab_spaces=2

src-tauri/Cargo.toml

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+[package]
+name = "lume"
+version = "0.1.0"
+description = "nostr client"
+authors = ["Ren Amamiya"]
+license = ""
+repository = ""
+edition = "2021"
+rust-version = "1.57"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+tauri-build = { version = "1.2", features = [] }
+
+[dependencies]
+serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }
+tauri = { version = "1.2", features = ["shell-open", "window-start-dragging"] }
+webpage = "1.5.0"
+
+[dependencies.tauri-plugin-sql]
+git = "https://github.com/tauri-apps/plugins-workspace"
+branch = "fix/sql-types"
+features = ["sqlite"]
+
+[target.'cfg(target_os = "macos")'.dependencies]
+objc = "0.2.7"
+cocoa = "0.24.1"
+
+[features]
+# by default Tauri runs in production mode
+# when `tauri dev` runs it is executed with `cargo run --no-default-features` if `devPath` is an URL
+default = ["custom-protocol"]
+# this feature is used used for production builds where `devPath` points to the filesystem
+# DO NOT remove this
+custom-protocol = ["tauri/custom-protocol"]

src-tauri/build.rs

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+fn main() {
+  tauri_build::build()
+}

src-tauri/src/main.rs

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+#![cfg_attr(
+  all(not(debug_assertions), target_os = "windows"),
+  windows_subsystem = "windows"
+)]
+
+#[cfg(target_os = "macos")]
+#[macro_use]
+extern crate objc;
+
+use std::time::Duration;
+
+use tauri::{Manager, WindowEvent};
+use webpage::{Webpage, WebpageOptions};
+use window_ext::WindowExt;
+
+mod window_ext;
+
+#[derive(serde::Serialize)]
+struct OpenGraphResponse {
+  title: String,
+  description: String,
+  url: String,
+  image: String,
+}
+
+async fn fetch_opengraph(url: String) -> OpenGraphResponse {
+  let options = WebpageOptions {
+    allow_insecure: false,
+    max_redirections: 3,
+    timeout: Duration::from_secs(30),
+    useragent: "lume - desktop app".to_string(),
+    ..Default::default()
+  };
+  let result = Webpage::from_url(&url, options).expect("Could not read from URL");
+  let html = result.html;
+
+  return OpenGraphResponse {
+    title: html.opengraph.properties["title"].to_string(),
+    description: html.opengraph.properties["description"].to_string(),
+    url: html.opengraph.properties["url"].to_string(),
+    image: html.opengraph.images[0].url.to_string(),
+  };
+}
+
+#[tauri::command]
+async fn opengraph(url: String) -> OpenGraphResponse {
+  let result = fetch_opengraph(url).await;
+  return result;
+}
+
+fn main() {
+  tauri::Builder::default()
+    .setup(|app| {
+      let main_window = app.get_window("main").unwrap();
+      // set inset for traffic lights
+      main_window.position_traffic_lights(8.0, 16.0);
+
+      Ok(())
+    })
+    .invoke_handler(tauri::generate_handler![opengraph])
+    .plugin(tauri_plugin_sql::Builder::default().build())
+    .on_window_event(|e| {
+      let apply_offset = || {
+        let win = e.window();
+        win.position_traffic_lights(8.0, 16.0);
+      };
+
+      match e.event() {
+        WindowEvent::Resized(..) => apply_offset(),
+        WindowEvent::ThemeChanged(..) => apply_offset(),
+        _ => {}
+      }
+    })
+    .run(tauri::generate_context!())
+    .expect("error while running tauri application");
+}

src-tauri/src/window_ext.rs

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+use tauri::{Runtime, Window};
+
+pub trait WindowExt {
+  #[cfg(target_os = "macos")]
+  fn set_transparent_titlebar(&self, transparent: bool);
+  fn position_traffic_lights(&self, x: f64, y: f64);
+}
+
+impl<R: Runtime> WindowExt for Window<R> {
+  #[cfg(target_os = "macos")]
+  fn set_transparent_titlebar(&self, transparent: bool) {
+    use cocoa::appkit::{NSWindow, NSWindowTitleVisibility};
+
+    let window = self.ns_window().unwrap() as cocoa::base::id;
+
+    unsafe {
+      window.setTitleVisibility_(NSWindowTitleVisibility::NSWindowTitleHidden);
+
+      if transparent {
+        window.setTitlebarAppearsTransparent_(cocoa::base::YES);
+      } else {
+        window.setTitlebarAppearsTransparent_(cocoa::base::NO);
+      }
+    }
+  }
+
+  #[cfg(target_os = "macos")]
+  fn position_traffic_lights(&self, x: f64, y: f64) {
+    use cocoa::appkit::{NSView, NSWindow, NSWindowButton};
+    use cocoa::foundation::NSRect;
+
+    let window = self.ns_window().unwrap() as cocoa::base::id;
+
+    unsafe {
+      let close = window.standardWindowButton_(NSWindowButton::NSWindowCloseButton);
+      let miniaturize = window.standardWindowButton_(NSWindowButton::NSWindowMiniaturizeButton);
+      let zoom = window.standardWindowButton_(NSWindowButton::NSWindowZoomButton);
+
+      let title_bar_container_view = close.superview().superview();
+
+      let close_rect: NSRect = msg_send![close, frame];
+      let button_height = close_rect.size.height;
+
+      let title_bar_frame_height = button_height + y;
+      let mut title_bar_rect = NSView::frame(title_bar_container_view);
+      title_bar_rect.size.height = title_bar_frame_height;
+      title_bar_rect.origin.y = NSView::frame(window).size.height - title_bar_frame_height;
+      let _: () = msg_send![title_bar_container_view, setFrame: title_bar_rect];
+
+      let window_buttons = vec![close, miniaturize, zoom];
+      let space_between = NSView::frame(miniaturize).origin.x - NSView::frame(close).origin.x;
+
+      for (i, button) in window_buttons.into_iter().enumerate() {
+        let mut rect: NSRect = NSView::frame(button);
+        rect.origin.x = x + (i as f64 * space_between);
+        button.setFrameOrigin(rect.origin);
+      }
+    }
+  }
+}

src-tauri/tauri.conf.json

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+{
+  "build": {
+    "beforeDevCommand": "pnpm dev",
+    "beforeBuildCommand": "pnpm build",
+    "devPath": "http://localhost:1420",
+    "distDir": "../dist",
+    "withGlobalTauri": true
+  },
+  "package": {
+    "productName": "Lume",
+    "version": "0.1.0"
+  },
+  "tauri": {
+    "allowlist": {
+      "all": false,
+      "shell": {
+        "all": false,
+        "open": true
+      },
+      "window": {
+        "startDragging": true
+      }
+    },
+    "bundle": {
+      "active": true,
+      "category": "DeveloperTool",
+      "copyright": "",
+      "deb": {
+        "depends": []
+      },
+      "externalBin": [],
+      "icon": [
+        "icons/32x32.png",
+        "icons/128x128.png",
+        "icons/128x128@2x.png",
+        "icons/icon.icns",
+        "icons/icon.ico"
+      ],
+      "identifier": "com.tauri.dev",
+      "longDescription": "",
+      "macOS": {
+        "entitlements": null,
+        "exceptionDomain": "",
+        "frameworks": [],
+        "providerShortName": null,
+        "signingIdentity": null
+      },
+      "resources": [],
+      "shortDescription": "",
+      "targets": "all",
+      "windows": {
+        "certificateThumbprint": null,
+        "digestAlgorithm": "sha256",
+        "timestampUrl": ""
+      }
+    },
+    "security": {
+      "csp": null
+    },
+    "updater": {
+      "active": false
+    },
+    "windows": [
+      {
+        "theme": "Dark",
+        "titleBarStyle": "Overlay",
+        "hiddenTitle": true,
+        "transparent": false,
+        "fullscreen": false,
+        "resizable": true,
+        "width": 1100,
+        "height": 800,
+        "minWidth": 1100,
+        "minHeight": 800
+      }
+    ]
+  }
+}