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7d0c7f93f1
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| 7d0c7f93f1 |
23
Cargo.lock
generated
23
Cargo.lock
generated
@@ -2329,6 +2329,9 @@ dependencies = [
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"dioxus",
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"dioxus-code",
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"dioxus-code-editor",
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"dirs",
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"ron",
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"serde",
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"strum",
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]
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@@ -5886,6 +5889,20 @@ dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "ron"
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version = "0.12.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "81116b9531d61eabc41aeb228e4b6b2435bcca3233b98cf3b3077d4e6e9debb3"
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dependencies = [
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"bitflags 2.13.1",
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"once_cell",
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"serde",
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"serde_derive",
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"typeid",
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"unicode-ident",
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]
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[[package]]
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name = "rustc-hash"
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version = "1.1.0"
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@@ -7012,6 +7029,12 @@ dependencies = [
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"utf-8",
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]
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[[package]]
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name = "typeid"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bc7d623258602320d5c55d1bc22793b57daff0ec7efc270ea7d55ce1d5f5471c"
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[[package]]
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name = "typenum"
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version = "1.20.1"
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@@ -10,6 +10,9 @@ edition = "2021"
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dioxus = { version = "0.7.1", features = ["router"] }
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dioxus-code = "0.1.2"
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dioxus-code-editor = { version = "0.1.2", features = ["all-languages"] }
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dirs = "6.0.0"
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ron = "0.12.2"
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serde = { version = "1.0.229", features = ["derive"] }
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strum = { version = "0.28.0", features = ["derive"] }
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[features]
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@@ -171,6 +171,9 @@
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.visible {
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visibility: visible;
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}
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.absolute {
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position: absolute;
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}
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.relative {
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position: relative;
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}
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@@ -2,6 +2,7 @@ mod components;
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mod route;
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mod views;
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mod workspace;
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mod workspace_list;
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use dioxus::prelude::*;
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130
src/workspace_list.rs
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130
src/workspace_list.rs
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@@ -0,0 +1,130 @@
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use serde::{Deserialize, Serialize};
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use std::fs;
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use std::io;
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use std::path::PathBuf;
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/// Verzeichnisname der App. Überall kleingeschrieben — unter Linux ist das
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/// Konvention, unter Windows in `%LOCALAPPDATA%` unauffällig. Eine Crate nur
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/// für diese Normalisierung (`directories`) wäre der teurere Weg gewesen.
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const APP_DIR: &str = "dionotes";
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const FILE_NAME: &str = "workspaces.ron";
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/// Die anwendungsweite Liste bekannter Workspaces.
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///
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/// Sie enthält nur Pfade: Der Anzeigename ist der Ordnername und wäre als
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/// eigenes Feld nach dem ersten Umbenennen falsch. Auch keinen Zeitstempel —
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/// die **Reihenfolge ist die Sortierung**, zuletzt geöffnet steht vorn.
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#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)]
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pub struct WorkspaceList {
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workspaces: Vec<PathBuf>,
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}
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impl WorkspaceList {
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pub fn entries(&self) -> &[PathBuf] {
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&self.workspaces
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}
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/// Hebt einen Workspace an die Spitze — beim Öffnen wie beim Hinzufügen.
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/// Weil vorher gefiltert wird, kann derselbe Pfad nicht doppelt vorkommen.
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pub fn promote(&mut self, path: PathBuf) {
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self.workspaces.retain(|known| known != &path);
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self.workspaces.insert(0, path);
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}
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/// Wo die Liste liegt.
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///
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/// Ein Ausdruck für alle Plattformen: `state_dir()` liefert nur unter Linux
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/// `Some` — dort führt die XDG-Spec „recently used files" ausdrücklich als
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/// State, gehört also nach `$XDG_STATE_HOME` und nicht nach `~/.config`.
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/// Windows und macOS fallen auf das lokale Konfigurationsverzeichnis durch;
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/// unter Windows bewusst `%LOCALAPPDATA%` statt Roaming, weil absolute
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/// Workspace-Pfade maschinenspezifisch sind.
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pub fn path() -> Option<PathBuf> {
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let base = dirs::state_dir().or_else(dirs::config_local_dir)?;
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Some(base.join(APP_DIR).join(FILE_NAME))
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}
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/// Lesen. Eine fehlende oder unlesbare Datei ergibt eine leere Liste statt
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/// eines Fehlers: Sie enthält nichts Unwiederbringliches — der Nutzer wählt
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/// seine Ordner einmal neu, seine Notizen sind nicht betroffen. Deshalb
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/// braucht die Datei auch keine Schema-Version.
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pub fn load() -> Self {
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Self::path()
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.and_then(|path| fs::read_to_string(path).ok())
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.map(|text| Self::parse(&text))
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.unwrap_or_default()
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}
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pub fn save(&self) -> io::Result<()> {
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let path = Self::path().ok_or_else(|| {
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io::Error::new(io::ErrorKind::NotFound, "kein Konfigurationsverzeichnis")
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})?;
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// Das Basisverzeichnis existiert garantiert, das der App nicht.
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if let Some(dir) = path.parent() {
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fs::create_dir_all(dir)?;
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}
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fs::write(path, self.to_ron()?)
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}
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fn parse(text: &str) -> Self {
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ron::from_str(text).unwrap_or_default()
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}
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fn to_ron(&self) -> io::Result<String> {
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ron::ser::to_string_pretty(self, ron::ser::PrettyConfig::default())
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.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err))
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}
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}
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#[cfg(test)]
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mod tests {
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use super::WorkspaceList;
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use std::path::PathBuf;
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fn list_of(paths: &[&str]) -> WorkspaceList {
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let mut list = WorkspaceList::default();
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// rückwärts, damit die Reihenfolge am Ende der Eingabe entspricht
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for p in paths.iter().rev() {
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list.promote(PathBuf::from(p));
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}
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list
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}
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#[test]
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fn promote_puts_new_entries_first() {
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let mut list = list_of(&["a", "b"]);
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list.promote(PathBuf::from("c"));
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assert_eq!(list.entries(), [PathBuf::from("c"), PathBuf::from("a"), PathBuf::from("b")]);
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}
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#[test]
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fn promote_moves_known_entries_without_duplicating() {
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let mut list = list_of(&["a", "b", "c"]);
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list.promote(PathBuf::from("c"));
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assert_eq!(list.entries(), [PathBuf::from("c"), PathBuf::from("a"), PathBuf::from("b")]);
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}
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#[test]
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fn survives_a_ron_roundtrip_with_windows_paths() {
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let list = list_of(&[r"C:\Users\marvin\Notizen", r"D:\Projekte\Test"]);
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let text = list.to_ron().expect("serialisierbar");
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assert_eq!(WorkspaceList::parse(&text), list);
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}
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#[test]
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fn path_lands_in_the_app_directory() {
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let path = WorkspaceList::path().expect("Konfigurationsverzeichnis vorhanden");
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assert!(
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path.ends_with("dionotes/workspaces.ron"),
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"unerwarteter Ablageort: {}",
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path.display()
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);
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println!("Ablageort auf dieser Plattform: {}", path.display());
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}
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#[test]
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fn unreadable_content_yields_an_empty_list() {
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assert_eq!(WorkspaceList::parse("kein RON, nur Text"), WorkspaceList::default());
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assert_eq!(WorkspaceList::parse(""), WorkspaceList::default());
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}
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}
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