From 4dd9601d6bc67ac5963aaedb99c1dfd6551cd222 Mon Sep 17 00:00:00 2001
From: Yakov Dlougach <dlougach@gmail.com>
Date: Wed, 17 Apr 2024 12:48:33 +0200
Subject: [PATCH] Fix problems without accepts

---
 code_analyzer/githomes.py |  9 +++++++--
 misc_scripts/reset_db.php |  2 +-
 www/problem.php           | 24 ++++++++++++++----------
 3 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/code_analyzer/githomes.py b/code_analyzer/githomes.py
index be7a3a9..ab9dfbc 100755
--- a/code_analyzer/githomes.py
+++ b/code_analyzer/githomes.py
@@ -127,6 +127,7 @@ def initCDS( self ):
         #self.http.disable_ssl_certificate_validation=True
 
         r = self.http_session.get("%s/%s/teams" % (self.CDSRoot, contest_id))
+        r.raise_for_status()
         teamData = r.json()
         startTime = time.strftime( "%a, %d %b %Y %H:%M:%S GMT", time.gmtime(0) )
 
@@ -255,7 +256,9 @@ def pullBackupsCDS( self ):
                 print(f'Unable to fetch backups for team {backup.team}{backup.path}. The team is skipped')
                 continue
 
-            if response.status_code == requests.codes.ok:
+            if response.status_code == requests.codes.ok and not response.content:
+                print("Skipping because backup is empty file")
+            elif response.status_code == requests.codes.ok and response.content:
                 sys.stdout.write("updated, commit to git... ")
 
                 backup.modTime = response.headers["last-modified"]
@@ -270,7 +273,9 @@ def pullBackupsCDS( self ):
                     shutil.rmtree( backupDir )
                 os.makedirs( backupDir )
                 try:
-                    subprocess.call( [ "unzip", "-q", f.name, "-x",".git","-x",".git/*", "-d", backupDir ] )
+                    retcode = subprocess.call( [ "unzip", "-q", f.name, "-x",".git","-x",".git/*", "-d", backupDir ] )
+                    if retcode != 0:
+                        raise RuntimeError()
                 except:
                     print(f"Failed to unzip {f.name} for {backupDir}")
                 os.unlink( f.name )
diff --git a/misc_scripts/reset_db.php b/misc_scripts/reset_db.php
index 65d47b7..e60d79b 100755
--- a/misc_scripts/reset_db.php
+++ b/misc_scripts/reset_db.php
@@ -40,7 +40,7 @@
 --------------------------------------------------------
 TRUNCATING ALL THE RELEVANT TABLES
 <?php
-$to_truncate = array('entries', 'submissions', 'teams', 'persons', 'team_persons', 'problems', 'team_regions');
+$to_truncate = array('contests', 'entries', 'submissions', 'teams', 'persons', 'team_persons', 'problems', 'team_regions');
 foreach ($to_truncate as $table) {
    $sql = "DELETE FROM $table;\n";
    print("CLEARING TABLE $table;\n");
diff --git a/www/problem.php b/www/problem.php
index ed01978..6bfe843 100644
--- a/www/problem.php
+++ b/www/problem.php
@@ -152,20 +152,24 @@ function PieChart(target, problem_id) {
 
         
         #########################################
-        $result = mysqli_query($db, "select distinct team_id as team_id from submissions "
-            . " where problem_id = '$problem_id' and contest_time = $first_submission_time order by team_id");
-        $first_teams_to_submit = array();
-        while ($row = mysqli_fetch_assoc($result)) {
-            $first_teams_to_submit[] = sprintf("<a href='team.php?team_id=%d'>%d</a>", $row['team_id'], $row['team_id']);
+        if ($first_submission_time) {
+            $result = mysqli_query($db, "select distinct team_id as team_id from submissions "
+                . " where problem_id = '$problem_id' and contest_time = $first_submission_time order by team_id");
+            $first_teams_to_submit = array();
+            while ($row = mysqli_fetch_assoc($result)) {
+                $first_teams_to_submit[] = sprintf("<a href='team.php?team_id=%d'>%d</a>", $row['team_id'], $row['team_id']);
+            }
         }
         $first_teams_to_submit = $first_teams_to_submit ? sprintf("(Team %s)", implode(", ", $first_teams_to_submit)) : "";
 
         #########################################
-        $result = mysqli_query($db, "select distinct team_id as team_id from submissions "
-            . " where problem_id = '$problem_id' and result = 'AC' and contest_time = $first_solution_time order by team_id");
-        $first_teams_to_solve = array();
-        while ($row = mysqli_fetch_assoc($result)) {
-            $first_teams_to_solve[] = sprintf("<a href='team.php?team_id=%d'>%d</a>", $row['team_id'], $row['team_id']);
+        if ($first_solution_time) {
+            $result = mysqli_query($db, "select distinct team_id as team_id from submissions "
+                . " where problem_id = '$problem_id' and result = 'AC' and contest_time = $first_solution_time order by team_id");
+            $first_teams_to_solve = array();
+            while ($row = mysqli_fetch_assoc($result)) {
+                $first_teams_to_solve[] = sprintf("<a href='team.php?team_id=%d'>%d</a>", $row['team_id'], $row['team_id']);
+            }
         }
         $first_teams_to_solve = $first_teams_to_solve ? sprintf("(Team %s)", implode(", ", $first_teams_to_solve)) : "";