Add CreateBranch class for create_branch function

tools/github_tool_functions/create_branch.py

@@ -0,0 +1,58 @@
+import requests
+import logging
+
+class CreateBranch:
+    def __init__(self, base_url, token, repo, current_branch):
+        self.base_url = base_url
+        self.headers = {
+            "Authorization": f"token {token}",
+            "Accept": "application/vnd.github.v3+json"
+        }
+        self.repo = repo
+        self.current_branch = current_branch
+
+        # Set up logging
+        self.logger = logging.getLogger(__name__)
+        self.logger.setLevel(logging.INFO)
+        
+        # Create a file handler
+        file_handler = logging.FileHandler('create_branch.log')
+        file_handler.setLevel(logging.INFO)
+        
+        # Create a console handler
+        console_handler = logging.StreamHandler()
+        console_handler.setLevel(logging.INFO)
+        
+        # Create a formatting for the logs
+        formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+        file_handler.setFormatter(formatter)
+        console_handler.setFormatter(formatter)
+        
+        # Add the handlers to the logger
+        self.logger.addHandler(file_handler)
+        self.logger.addHandler(console_handler)
+
+    def __call__(self, branch_name, base_branch="main"):
+        self.logger.info(f"Creating branch: {branch_name} from base: {base_branch}")
+        url = f"{self.base_url}/repos/{self.repo}/git/refs"
+        response = requests.get(f"{url}/heads/{base_branch}", headers=self.headers)
+        if response.status_code != 200:
+            error_message = f"Error getting base branch: {response.status_code}"
+            self.logger.error(error_message)
+            return error_message
+
+        sha = response.json()["object"]["sha"]
+        data = {
+            "ref": f"refs/heads/{branch_name}",
+            "sha": sha
+        }
+        response = requests.post(url, headers=self.headers, json=data)
+        if response.status_code == 201:
+            self.current_branch = branch_name
+            success_message = f"Branch '{branch_name}' created successfully and set as current branch"
+            self.logger.info(success_message)
+            return success_message
+        else:
+            error_message = f"Error creating branch: {response.status_code}"
+            self.logger.error(error_message)
+            return error_message