feat: added script for fetching pull requests from github

Projects/Nitrodigest/src/scripts/fetch_gh_prs.py

@@ -0,0 +1,81 @@
+import subprocess
+import os
+import json
+import sys
+from pathlib import Path
+from argparse import ArgumentParser
+
+
+def main():
+    parser = ArgumentParser(
+        description="Fetch pull requests from Github for repository in the current working directory.",
+    )
+    parser.add_argument(
+        "--dest",
+        default="pull-requests",
+        help="destination directory name"
+    )
+
+    args = parser.parse_args()
+
+    prs = _get_prs()
+
+    for pr in prs:
+        pr_url = pr.get("url")
+        desc = _get_pr_description(pr_url)
+        diff = _get_pr_diff(pr_url)
+        title = pr.get("title")
+        item_to_save = desc + "\n" + diff
+
+        _save_to_file(item_to_save, args.dest, title)
+
+
+def _fetch_from_gh(command):
+    try:
+        result = subprocess.run(
+            command, capture_output=True, text=True, check=True)
+        return result.stdout
+    except subprocess.CalledProcessError as e:
+        print(f"Error when fetching from Github: {e}")
+        return sys.exit(1)
+
+
+def _get_prs():
+    return json.loads(_fetch_from_gh(["gh", "pr", "list", "--json", "url", "--json", "title"]))
+
+
+def _get_pr_description(pr_handle):
+    return _fetch_from_gh(["gh", "pr", "view", pr_handle, "--comments"])
+
+
+def _get_pr_diff(pr_handle):
+    return _fetch_from_gh(["gh", "pr", "diff", pr_handle])
+
+
+def _save_to_file(content, directory, filename):
+    try:
+        dest_dir = Path(directory)
+        dest_dir.mkdir(parents=True, exist_ok=True)
+
+        safe_filename = "".join(c for c in filename.strip(
+        ) if c.isalnum() or c in (' ', '-', '_'))
+
+        file_path = dest_dir / f"{safe_filename}.md"
+
+        with open(file_path, 'w', encoding='utf-8') as file:
+            file.write(content)
+
+        print(f"Saved file {file_path}")
+        return file_path
+
+    except PermissionError:
+        print(f"Error: Permission denied for directory {directory}")
+        return sys.exit(1)
+
+    except Exception as e:
+        print(f"Unexpected error: {e}")
+        return sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()