feat: add problem fetching

Author: yuvrajsinh5252

requirements.txt

@@ -1 +1,2 @@
-typer
+typer
+requests

src/commands/__init__.py

@@ -1,5 +1,14 @@
 import typer
+from server.api import fetch_problem_list
 
 def list():
     """List all available LeetCode problems."""
     typer.echo("Fetching problem list...")
+    data = fetch_problem_list()
+
+    for problem in data:
+        typer.echo(f"{problem['questionFrontendId']}. {problem['title']}")
+        typer.echo(f"Difficulty: {problem['difficulty']}")
+        tags = ", ".join(tag["name"] for tag in problem["topicTags"])
+        typer.echo(f"Tags: {tags}")
+        typer.echo()

src/commands/list.py

@@ -0,0 +1,34 @@
+import requests
+from .config import BASE_URL
+
+def fetch_problem_list():
+  """Fetches a list of LeetCode problems from the API."""
+  query = {
+    "query": """
+    query {
+      problemsetQuestionListV2(
+        categorySlug: ""
+        limit: 10
+        skip: 0
+      ) {
+        questions {
+          questionFrontendId
+          title
+          difficulty
+          topicTags {
+            name
+          }
+        }
+      }
+    }
+    """
+  }
+
+  response = requests.post(BASE_URL, json=query)
+  data = response.json()
+
+  if "errors" in data:
+    print("Error fetching problems:", data["errors"])
+    return []
+
+  return data["data"]["problemsetQuestionList"]["questions"]

src/server/__init__.py

@@ -0,0 +1 @@
+BASE_URL = "https://leetcode.com/graphql"