feat(pkgs/neorg): Rewrite in rust

This improves upon neorg by integrating it better into the system
context.

1 files changed, 257 insertions, 0 deletions

diff --git a/pkgs/by-name/ts/tskm/src/interface/input/mod.rs b/pkgs/by-name/ts/tskm/src/interface/input/mod.rs
new file mode 100644
index 00000000..9ece7a3a
--- /dev/null
+++ b/pkgs/by-name/ts/tskm/src/interface/input/mod.rs
@@ -0,0 +1,257 @@
+use std::{
+    collections::HashSet,
+    fmt::Display,
+    fs::{self, read_to_string, File},
+    io::Write,
+    path::PathBuf,
+    process::Command,
+    str::FromStr,
+};
+
+use anyhow::{bail, Context, Result};
+use url::Url;
+use walkdir::WalkDir;
+
+pub mod handle;
+pub use handle::handle;
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct NoWhitespaceString(String);
+
+impl NoWhitespaceString {
+    /// # Panics
+    /// If the input contains whitespace.
+    #[must_use]
+    pub fn new(input: String) -> Self {
+        if input.contains(' ') {
+            panic!("Your input '{input}' contains whitespace. I did not expect that.")
+        } else {
+            Self(input)
+        }
+    }
+}
+
+impl Display for NoWhitespaceString {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+impl NoWhitespaceString {
+    #[must_use]
+    pub fn as_str(&self) -> &str {
+        &self.0
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct Input {
+    url: Url,
+    tags: HashSet<NoWhitespaceString>,
+}
+
+impl FromStr for Input {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
+        if s.contains(' ') {
+            let (url, tags) = s.split_once(' ').expect("Should work");
+            Ok(Self {
+                url: Url::from_str(url)?,
+                tags: {
+                    tags.trim()
+                        .split(' ')
+                        .map(|tag| {
+                            if let Some(tag) = tag.strip_prefix('+') {
+                                Ok(NoWhitespaceString::new(tag.to_owned()))
+                            } else {
+                                bail!("Your tag '{tag}' does not start with the required '+'");
+                            }
+                        })
+                        .collect::<Result<_, _>>()?
+                },
+            })
+        } else {
+            Ok(Self {
+                url: Url::from_str(s)?,
+                tags: HashSet::new(),
+            })
+        }
+    }
+}
+
+impl Display for Input {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if self.tags.is_empty() {
+            self.url.fmt(f)
+        } else {
+            write!(
+                f,
+                "{} {}",
+                self.url,
+                self.tags
+                    .iter()
+                    .fold(String::new(), |mut acc, tag| {
+                        acc.push('+');
+                        acc.push_str(tag.as_str());
+                        acc.push(' ');
+                        acc
+                    })
+                    .trim()
+            )
+        }
+    }
+}
+
+impl Input {
+    fn base_path() -> PathBuf {
+        dirs::data_local_dir()
+            .expect("This should be set")
+            .join("tskm/inputs")
+    }
+
+    fn url_path(url: &Url) -> Result<PathBuf> {
+        let base_path = Self::base_path();
+
+        let url_path = base_path.join(url.to_string());
+        fs::create_dir_all(&url_path)
+            .with_context(|| format!("Failed to open file: '{}'", url_path.display()))?;
+
+        Ok(url_path.join("url_value"))
+    }
+
+    #[must_use]
+    pub fn url(&self) -> &Url {
+        &self.url
+    }
+
+    /// Commit this constructed [`Input`] to storage.
+    ///
+    /// # Errors
+    /// If IO operations fail.
+    pub fn commit(&self) -> Result<()> {
+        let url_path = Self::url_path(&self.url)?;
+
+        let url_content = {
+            if url_path.exists() {
+                read_to_string(&url_path)?
+            } else {
+                String::new()
+            }
+        };
+
+        let mut file = File::create(&url_path)
+            .with_context(|| format!("Failed to open file: '{}'", url_path.display()))?;
+        writeln!(file, "{url_content}{self}")?;
+
+        Self::git_commit(&format!("Add new url: '{self}'"))?;
+
+        Ok(())
+    }
+
+    /// Remove this constructed [`Input`] to storage.
+    ///
+    /// Beware that this does not take tags into account.
+    ///
+    /// # Errors
+    /// If IO operations fail.
+    pub fn remove(&self) -> Result<()> {
+        let url_path = Self::url_path(&self.url)?;
+
+        fs::remove_file(&url_path)
+            .with_context(|| format!("Failed to remove file: '{}'", url_path.display()))?;
+
+        let mut url_path = url_path.as_path();
+        while let Some(parent) = url_path.parent() {
+            if fs::read_dir(parent)?.count() == 0 {
+                fs::remove_dir(parent)?;
+            }
+            url_path = parent;
+        }
+
+        Self::git_commit(&format!("Remove url: '{self}'"))?;
+        Ok(())
+    }
+
+    /// Commit your changes
+    fn git_commit(message: &str) -> Result<()> {
+        let status = Command::new("git")
+            .args(["add", "."])
+            .current_dir(Self::base_path())
+            .status()?;
+        if !status.success() {
+            bail!("Git add . failed!");
+        }
+
+        let status = Command::new("git")
+            .args(["commit", "--message", message, "--no-gpg-sign"])
+            .current_dir(Self::base_path())
+            .status()?;
+        if !status.success() {
+            bail!("Git commit failed!");
+        }
+
+        Ok(())
+    }
+
+    /// Get all previously [`Self::commit`]ed inputs.
+    ///
+    /// # Errors
+    /// When IO handling fails.
+    ///
+    /// # Panics
+    /// If internal assertions fail.
+    pub fn all() -> Result<Vec<Self>> {
+        let mut output = vec![];
+        for entry in WalkDir::new(Self::base_path())
+            .min_depth(1)
+            .into_iter()
+            .filter_entry(|e| {
+                let s = e.file_name().to_str();
+                s != Some(".git")
+            })
+        {
+            let entry = entry?;
+
+            if !entry.file_type().is_file() {
+                continue;
+            }
+
+            let url_value_file = entry
+                .path()
+                .to_str()
+                .expect("All of these should be URLs and thus valid strings");
+            assert!(url_value_file.ends_with("/url_value"));
+
+            let url = {
+                let base = url_value_file
+                    .strip_prefix(&format!("{}/", Self::base_path().display()))
+                    .expect("This will exist");
+
+                let (proto, path) = base.split_once(':').expect("This will countain a :");
+
+                let path = path.strip_suffix("/url_value").expect("Will exist");
+
+                Url::from_str(&format!("{proto}:/{path}"))
+                    .expect("This was a URL, it should still be one")
+            };
+            let tags = {
+                let url_values = read_to_string(PathBuf::from(url_value_file))?;
+                url_values
+                    .lines()
+                    .map(|line| {
+                        let input = Self::from_str(line)?;
+                        Ok::<_, anyhow::Error>(input.tags)
+                    })
+                    .collect::<Result<Vec<HashSet<NoWhitespaceString>>, _>>()?
+                    .into_iter()
+                    .flatten()
+                    .collect()
+            };
+
+            output.push(Self { url, tags });
+        }
+
+        Ok(output)
+    }
+}