Initial commit: git-issue-commit CLI tool

src/parser/url.rs

@@ -0,0 +1,117 @@
+use thiserror::Error;
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Provider {
+    GitHub,
+    GitLab,
+}
+
+#[derive(Debug, Clone)]
+pub struct ParsedIssueUrl {
+    pub provider: Provider,
+    pub owner: String,
+    pub repo: String,
+    pub issue_number: u64,
+    pub is_pull_request: bool,
+}
+
+#[derive(Debug, Error, PartialEq)]
+pub enum UrlParseError {
+    #[error("Invalid URL format")]
+    InvalidFormat,
+    #[error("Unsupported provider")]
+    UnsupportedProvider,
+    #[error("Missing issue number")]
+    MissingIssueNumber,
+}
+
+pub fn parse_issue_url(url: &str) -> Result<ParsedIssueUrl, UrlParseError> {
+    if let Some(github_url) = parse_github_url(url) {
+        return Ok(github_url);
+    }
+    if let Some(gitlab_url) = parse_gitlab_url(url) {
+        return Ok(gitlab_url);
+    }
+    Err(UrlParseError::InvalidFormat)
+}
+
+fn parse_github_url(url: &str) -> Option<ParsedIssueUrl> {
+    let re = regex::Regex::new(r"github\.com/([^/]+)/([^/]+)/(?:issues|pull)/(\d+)").expect("Invalid regex pattern for GitHub URLs");
+    let caps = re.captures(url)?;
+
+    let owner = caps.get(1)?.as_str().to_string();
+    let repo = caps.get(2)?.as_str().to_string();
+    let issue_number = caps.get(3)?.as_str().parse().ok()?;
+    let is_pull_request = url.contains("/pull/");
+
+    Some(ParsedIssueUrl {
+        provider: Provider::GitHub,
+        owner,
+        repo,
+        issue_number,
+        is_pull_request,
+    })
+}
+
+fn parse_gitlab_url(url: &str) -> Option<ParsedIssueUrl> {
+    let re = regex::Regex::new(r"gitlab\.com/([^/]+)/([^/]+)/-/issues/(\d+)").expect("Invalid regex pattern for GitLab URLs");
+    let caps = re.captures(url)?;
+
+    let owner = caps.get(1)?.as_str().to_string();
+    let repo = caps.get(2)?.as_str().to_string();
+    let issue_number = caps.get(3)?.as_str().parse().ok()?;
+    let is_pull_request = url.contains("/merge_requests");
+
+    Some(ParsedIssueUrl {
+        provider: Provider::GitLab,
+        owner,
+        repo,
+        issue_number,
+        is_pull_request,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse_github_issue_url() {
+        let url = "https://github.com/owner/repo/issues/123";
+        let parsed = parse_issue_url(url).unwrap();
+        assert_eq!(parsed.provider, Provider::GitHub);
+        assert_eq!(parsed.owner, "owner");
+        assert_eq!(parsed.repo, "repo");
+        assert_eq!(parsed.issue_number, 123);
+        assert!(!parsed.is_pull_request);
+    }
+
+    #[test]
+    fn test_parse_github_pr_url() {
+        let url = "https://github.com/owner/repo/pull/456";
+        let parsed = parse_issue_url(url).unwrap();
+        assert_eq!(parsed.provider, Provider::GitHub);
+        assert_eq!(parsed.owner, "owner");
+        assert_eq!(parsed.repo, "repo");
+        assert_eq!(parsed.issue_number, 456);
+        assert!(parsed.is_pull_request);
+    }
+
+    #[test]
+    fn test_parse_gitlab_issue_url() {
+        let url = "https://gitlab.com/owner/repo/-/issues/789";
+        let parsed = parse_issue_url(url).unwrap();
+        assert_eq!(parsed.provider, Provider::GitLab);
+        assert_eq!(parsed.owner, "owner");
+        assert_eq!(parsed.repo, "repo");
+        assert_eq!(parsed.issue_number, 789);
+        assert!(!parsed.is_pull_request);
+    }
+
+    #[test]
+    fn test_parse_invalid_url() {
+        let result = parse_issue_url("not-a-valid-url");
+        assert!(result.is_err());
+        assert_eq!(result.unwrap_err(), UrlParseError::InvalidFormat);
+    }
+}