feat: scan for TODO and FIXME markers

Cargo.toml

@@ -6,3 +6,5 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0"
 regex = "1.10"
+ureq = "2.10"
+kxio = "1.2"

src/main.rs

@@ -1,28 +1,181 @@
-use anyhow::Context;
+use std::path::{Path, PathBuf};
 
-fn main() -> anyhow::Result<()> {
+use anyhow::{Context, Result};
+use kxio::fs::DirItem;
+use regex::Regex;
+
+fn main() -> Result<()> {
     println!("Forgejo TODO Checker!");
 
-    let ci_repo = std::env::var("GITHUB_REPOSITORY").context("GITHUB_REPOSITORY")?;
-    let ci_server_url = std::env::var("GITHUB_SERVER_URL").context("GITHUB_SERVER_URL")?;
-    let ci_repo_url = format!("{ci_server_url}/{ci_repo}");
+    let config = Config {
+        fs: kxio::fs::new(
+            std::env::var("GITHUB_WORKSPACE")
+                .context("GITHUB_WORKSPACE")?
+                .into(),
+        ),
+        repo: std::env::var("GITHUB_REPOSITORY").context("GITHUB_REPOSITORY")?,
+        server: std::env::var("GITHUB_SERVER_URL").context("GITHUB_SERVER_URL")?,
+        auth_token: std::env::var("REPO_TOKEN").ok(),
+        prefix_pattern: regex::Regex::new(r"(#|//)\s*(TODO|FIXME)").context("prefix regex")?,
+        issue_pattern: regex::Regex::new(r"( |)(\(|\(#)(?P<ISSUE_NUMBER>\d+)(\))")
+            .context("issue regex")?,
+    };
 
-    // optional arg for private repos
-    let repo_token = std::env::var("REPO_TOKEN").ok();
+    println!("Repo: {}", config.repo);
+    println!("Prefix: {}", config.prefix_pattern);
+    println!("Issues: {}", config.issue_pattern);
 
-    // Regex to match a todo or fixme comment
-    let prefix = regex::Regex::new(r"(#|//)\s*(TODO|FIXME)").context("prefix regex")?;
-    // Regex to match the rest of the line to find an issue number
-    let issue =
-        regex::Regex::new(r"( |)(\(|\(#)(?P<ISSUE_NUMBER>\d+)(\))").context("issue regex")?;
+    // TODO: scan files in workdir
+    // TODO: ignore files listed in .rgignore .ignore or .gitignore
 
-    println!("[ci_repo:{ci_repo}][ci_repo_url:{ci_repo_url}][repo_token:{repo_token:?}][prefix:{prefix}][issue:{issue}]");
+    let mut found_markers = FoundMarkers::default();
+
+    scan_files(&config, &mut found_markers)?;
+
+    println!("{found_markers:?}");
 
     // list files in current directory to get a feel for what we have access to
-    std::fs::read_dir(".")?
-        .filter_map(Result::ok)
-        .map(|e| e.path())
-        .for_each(|e| println!("{e:?}"));
+    // std::fs::read_dir(workdir)?
+    //     .filter_map(Result::ok)
+    //     .map(|e| e.path())
+    //     .for_each(|e| println!("{e:?}"));
+
+    // Collect open issues:
+    // let limit = 10;
+    // let page = 0;
+    // let api = format!(
+    //     "{ci_server_url}/api/v1/repos/{ci_repo}/issues?state=open&limit=${limit}&page=${page}"
+    // );
+    // TODO: add authentication when provided
+    // let issues = ureq::get(&api).call()?.into_string()?;
+    // TODO: parse issues to get list of open issue numbers
+
+    // TODO: loop over list of expected issues and drop any where they do exist and are open
+    // TODO: if remaining list is not empty - add all to error list
+    //
+    // TODO: if error list is empty - exit okay
+    // TODO: if error list is not empty - log erros and exit not okay
 
     Ok(())
 }
+
+struct Config {
+    fs: kxio::fs::FileSystem,
+    repo: String,
+    server: String,
+    auth_token: Option<String>,
+    prefix_pattern: Regex,
+    issue_pattern: Regex,
+}
+
+#[derive(Debug, Default)]
+struct FoundMarkers {
+    markers: Vec<Marker>,
+    issue_markers: Vec<IssueMarker>,
+}
+impl FoundMarkers {
+    fn add_marker(&mut self, marker: Marker) {
+        self.markers.push(marker);
+    }
+    fn add_issue_marker(&mut self, issue_marker: IssueMarker) {
+        self.issue_markers.push(issue_marker);
+    }
+}
+
+fn scan_files(config: &Config, found_markers: &mut FoundMarkers) -> Result<()> {
+    scan_dir(config.fs.base(), config, found_markers)
+}
+
+fn scan_dir(dir: &Path, config: &Config, found_markers: &mut FoundMarkers) -> Result<()> {
+    let read_dir = config.fs.dir_read(dir)?;
+    for entry in read_dir {
+        match entry? {
+            DirItem::File(file) => scan_file(&file, config, found_markers),
+            DirItem::Dir(dir) => scan_dir(&dir, config, found_markers),
+            DirItem::SymLink(_) | DirItem::Fifo(_) | DirItem::Unsupported(_) => Ok(()),
+        }?;
+    }
+    Ok(())
+}
+
+fn scan_file(path: &Path, config: &Config, found_markers: &mut FoundMarkers) -> Result<()> {
+    config
+        .fs
+        .file_read_to_string(path)?
+        .lines()
+        .enumerate()
+        .filter_map(|(n, line)| prefix_match(n, line, path, config))
+        .for_each(|marker| {
+            if let Some(issue) = config
+                .issue_pattern
+                .find(&marker.line.value)
+                .map(|issue| issue.as_str())
+                .and_then(|issue| issue.parse::<usize>().ok())
+            {
+                found_markers.add_issue_marker(marker.into_issue_marker(issue));
+            } else {
+                found_markers.add_marker(marker);
+            }
+        });
+    Ok(())
+}
+
+fn prefix_match(num: usize, line: &str, path: &Path, config: &Config) -> Option<Marker> {
+    let find = config.prefix_pattern.find(line)?;
+    let marker_type = match find.as_str() {
+        "TODO" => Some(MarkerType::Todo),
+        "FIXME" => Some(MarkerType::Fixme),
+        _ => None,
+    }?;
+    Some(Marker {
+        marker_type,
+        file: path.to_path_buf(),
+        line: Line {
+            num,
+            value: line.to_owned(),
+        },
+    })
+}
+
+/// What type of comment
+#[derive(Debug)]
+enum MarkerType {
+    Todo,
+    Fixme,
+}
+
+#[derive(Debug)]
+struct Line {
+    num: usize,
+    value: String,
+}
+
+/// Represents a TODO or FIXME comment that doesn't have any issue number
+#[derive(Debug)]
+struct Marker {
+    /// What type of marker
+    marker_type: MarkerType,
+
+    /// Path of the file
+    file: PathBuf,
+
+    /// The line from the file
+    line: Line,
+}
+impl Marker {
+    fn into_issue_marker(self, issue: usize) -> IssueMarker {
+        IssueMarker {
+            marker: self,
+            issue,
+        }
+    }
+}
+
+#[derive(Debug)]
+struct IssueMarker {
+    /// The marker
+    marker: Marker,
+
+    /// The issue number
+    issue: usize,
+}