feat(PR): Add AI-powered PR review and labeling

- Update README with new ai-commit, ai-pr, and ai-review commands
- Enhance make_pull_request.py with automatic PR labeling (minor/patch/major)
- Add pull_request_review.py for AI-generated PR reviews
- Update setup.py with new command aliases

Author: j2nullify

README.md

@@ -22,16 +22,20 @@ To generate automated commit messages:
 # Add your files like normal
 git add -u
 # Ai-generate commit messages
-how-commit
+ai-commit
 ```
 ![image](./images/image.png)
 
 
 Then, you can push your changes and use AI to auto-generate you a description
 
+```bash
+ai-pr
 ```
-how-pr
+
+To then review: 
+```bash
+ai-review
 ```
 
 See example PR: https://github.com/j2nullify/ai-git-commit/pull/2
-

app/make_pull_request.py

@@ -38,6 +38,39 @@ def main():
     prompt_body = f"Generate a concise and informative pull request description based on the following diff. Include key changes and their impact:\n\n{pr_diff}"
     pr_description = query_bedrock(prompt_body)
     pr_description = extract_bash_commands_no_line_split(pr_description)[0]
+    prompt_label = f"""Based on the following diff, suggest the most appropriate label for this pull request based on SemVer2.
+    Choose only one of: "minor", "patch", or "major". Respond with only the label.
+
+    <example>minor</example>
+    <example>patch</example>
+    <example>major</example>
+    Diff:
+    {pr_diff}
+    """
+    pr_label = query_bedrock(prompt_label).strip()
+
+    for labels in pr_label: 
+        if "minor" in labels: 
+            pr_label = "minor"
+        elif "patch" in labels: 
+            pr_label = "patch"
+        elif "major" in labels: 
+            pr_label = "major"
+
+    # Validate the label
+    if pr_label not in ["minor", "patch", "major"]:
+        print(f"Warning: Invalid label '{pr_label}' generated. Defaulting to 'minor'.")
+        pr_label = "minor"
+
+    # Create pull request using GitHub CLI with label
+    result = subprocess.run([
+        "gh", "pr", "create", "--title", pr_title, "--body", pr_description, 
+        "--label", pr_label])
+    if result.returncode != 0:
+        result = subprocess.run([
+            "gh", "pr", "edit", "--title", pr_title, "--body", pr_description, 
+        "--label", pr_label])
+
 
     # Create pull request using GitHub CLI
     # Check if GitHub CLI (gh) is installed

app/pull_request_review.py

@@ -0,0 +1,94 @@
+"""Make a pull request
+"""
+import subprocess
+from app.query_bedrock import query_bedrock
+from app.extract_bash import extract_bash_commands_no_line_split
+
+def get_current_branch():
+    return subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip()
+
+def get_pr_number():
+    try:
+        pr_info = subprocess.check_output(["gh", "pr", "view", "--json", "number"]).decode()
+        return int(pr_info.split(":")[1].strip()[:-1])
+    except subprocess.CalledProcessError:
+        return None
+
+def get_pr_diff(pr_number):
+    try:
+        diff = subprocess.check_output(["gh", "pr", "diff", str(pr_number)]).decode()
+        return diff
+    except subprocess.CalledProcessError:
+        print(f"Error: Unable to get the diff for PR #{pr_number}.")
+        return None
+
+def review_pull_request(pr_number):
+    pr_diff = get_pr_diff(pr_number)
+    if not pr_diff:
+        return
+    prompt = f"""Review the following pull request diff and provide a concise review comment. 
+    Include any potential issues, suggestions for improvement, and overall assessment.
+    If you have any specific code change suggestions, please include them as well.
+
+    {pr_diff}
+
+    Respond with only the review comment, enclosed in triple backticks (```). For example:
+    ```
+    The changes look good overall. Consider adding more unit tests for the new functionality.
+    
+    Suggestion for improvement:
+    In file.py, line 42, consider changing:
+    if x == None:
+    to:
+    if x is None:
+    
+    This is more idiomatic Python and avoids potential issues with custom __eq__ methods.
+    ```
+    """
+
+    review_comment = query_bedrock(prompt)
+    review_comment = extract_bash_commands_no_line_split(review_comment)[0]
+
+    try:
+        result = subprocess.run([
+            "gh", "pr", "review", str(pr_number),
+            "--body", review_comment,
+            "--comment"
+        ])
+
+        if result.returncode == 0:
+            print(f"✅ Review submitted successfully for PR #{pr_number}!")
+        else:
+            print(f"❌ Failed to submit review for PR #{pr_number}. Please try again.")
+    except subprocess.CalledProcessError:
+        print(f"Error: Unable to submit review for PR #{pr_number}.")
+
+def main():
+    # Check if GitHub CLI (gh) is installed
+    try:
+        subprocess.run(["gh", "--version"], check=True, capture_output=True)
+    except (subprocess.CalledProcessError, FileNotFoundError):
+        print("GitHub CLI (gh) is not installed or not found. Please install it to review pull requests.")
+        print("Visit https://cli.github.com/ for installation instructions.")
+        return
+
+    current_branch = get_current_branch()
+    pr_number = get_pr_number()
+
+    if pr_number is None:
+        print(f"No pull request found for the current branch '{current_branch}'.")
+        create_pr = input("Would you like to create a pull request? (y/n): ").lower()
+        if create_pr == 'y':
+            subprocess.run(["python", "app/make_pull_request.py"])
+            pr_number = get_pr_number()
+        else:
+            print("Exiting without creating a pull request.")
+            return
+
+    if pr_number:
+        review_pull_request(pr_number)
+    else:
+        print("Unable to find or create a pull request. Please check your branch and try again.")
+
+if __name__ == "__main__":
+    main()

setup.py

@@ -32,8 +32,9 @@
     entry_points={
         "console_scripts": [
             "how=app.cli:main",
-            "how-commit=app.commit:main",
-            "how-pr=app.make_pull_request:main",
+            "ai-commit=app.commit:main",
+            "ai-pr=app.make_pull_request:main",
+            "ai-review=app.pull_request_review:main",
         ],
     },
 )