Implement MR comments

Closes #5

commands.py

@@ -7,7 +7,7 @@ import re
 from constants import HOMEWORK, SUFFIX
 
 from git import add_files, commit, push
-from gitlab import post_mr, get_mrs_for_branch, set_assignees, merge_mr
+from gitlab import post_mr, get_mrs_for_branch, set_assignees, merge_mr, get_comments
 from utils import run_cmd, get_branch
 
 
@@ -75,3 +75,40 @@ class Merge:
 class Test:
     def __call__(self, login: str, submission: str):
         print(f"{login} - {submission}")
+
+
+class Comments:
+    @staticmethod
+    def sort_comments(comments):
+        result = {}
+
+        for comment in comments:
+            print(comment)
+            author = comment["author"]["username"], comment["author"]["name"]
+            if author not in result:
+                result[author] = list()
+
+            result[author].append(comment)
+
+        return result
+
+    @staticmethod
+    def print_comments(comments):
+        comments = Comments.sort_comments(comments)
+
+        for author in comments:
+            login, name = author
+            print(f"***** {name} ({login}) *****")
+
+            for comment in comments[author]:
+                if comment["type"] == "DiffNote":
+                    print(f"""L{comment["position"]["new_line"]}: {comment["body"]}""")
+                else:
+                    print(comment["body"])
+
+    def __call__(self, login: str, submission: str):
+        branch = get_branch(login)
+        iid = get_mrs_for_branch(branch)[0]["iid"]
+        comments = get_comments(iid)
+
+        self.print_comments(comments)

gitlab.py

@@ -67,3 +67,15 @@ def set_assignees(iid, assignee_ids):
         headers=headers,
     ) as req:
         print(req.status_code)
+
+
+def get_comments(iid):
+    params = {"sort": "asc"}
+    headers = {"Private-Token": TOKEN}
+
+    with requests.get(
+        f"https://gitlab.fi.muni.cz/api/v4/projects/{PROJECT}/merge_requests/{iid}/notes",
+        params=params,
+        headers=headers,
+    ) as req:
+        return req.json()

reviews.py

@@ -7,7 +7,7 @@ from subprocess import run
 import sys
 
 
-from commands import MergeRequests, UpdateAssignees, Merge, Test
+from commands import MergeRequests, UpdateAssignees, Comments, Merge, Test
 from constants import SUBMISSIONS, HOMEWORK
 from git import checkout_branch
 from utils import get_branch, mkcd, make_pair
@@ -29,6 +29,7 @@ def iterate_logins(func):
 COMMANDS = {
     "mrs": MergeRequests(),
     "update-assignees": UpdateAssignees(),
+    "comments": Comments(),
     "merge": Merge(),
     "test": Test(),
 }