Add get_issue_details function

tools/github_tool.py

@@ -311,6 +311,20 @@ class GitHubTool(BaseTool):
                     },
                     "required": ["branch_name"]
                 }
+            },
+            {
+                "name": "get_issue_details",
+                "description": "Get details of a specific issue",
+                "parameters": {
+                    "type": "object",
+                    "properties": {
+                        "issue_number": {
+                            "type": "integer",
+                            "description": "The number of the issue"
+                        }
+                    },
+                    "required": ["issue_number"]
+                }
             }
         ]
 
@@ -351,6 +365,8 @@ class GitHubTool(BaseTool):
                                             kwargs.get("commit_message", ""), kwargs.get("merge_method", "merge"))
         elif function_name == "delete_branch":
             return self._delete_branch(kwargs["branch_name"])
+        elif function_name == "get_issue_details":
+            return self._get_issue_details(kwargs["issue_number"])
         else:
             error_message = f"Unknown function: {function_name}"
             self.logger.error(error_message)
@@ -636,3 +652,28 @@ class GitHubTool(BaseTool):
             error_message = f"Error deleting branch: {response.status_code}\nResponse: {response.text}"
             self.logger.error(error_message)
             return error_message
+
+    @metrics.measure
+    def _get_issue_details(self, issue_number):
+        self.logger.info(f"Getting details for issue: {issue_number}")
+        url = f"{self.base_url}/repos/{self.repo}/issues/{issue_number}"
+        response = requests.get(url, headers=self.headers)
+        if response.status_code == 200:
+            issue_data = response.json()
+            issue_details = {
+                "number": issue_data["number"],
+                "title": issue_data["title"],
+                "state": issue_data["state"],
+                "body": issue_data["body"],
+                "created_at": issue_data["created_at"],
+                "updated_at": issue_data["updated_at"],
+                "labels": [label["name"] for label in issue_data["labels"]],
+                "assignees": [assignee["login"] for assignee in issue_data["assignees"]],
+                "comments": issue_data["comments"]
+            }
+            self.logger.info(f"Successfully retrieved details for issue {issue_number}")
+            return issue_details
+        else:
+            error_message = f"Error getting issue details: {response.status_code}\nResponse: {response.text}"
+            self.logger.error(error_message)
+            return error_message