mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-22 22:48:42 +00:00
277 lines
11 KiB
PHP
277 lines
11 KiB
PHP
<?php
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function hasProblemPermission($user, $problem) {
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if ($user == null) {
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return false;
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}
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if (isSuperUser($user) || isProblemManager($user)) {
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return true;
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}
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if ($problem['uploader'] == $user['username']) {
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return true;
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}
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return DB::selectFirst("select * from problems_permissions where username = '{$user['username']}' and problem_id = {$problem['id']}") != null;
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}
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function hasViewPermission($str, $user, $problem, $submission) {
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if ($str == 'ALL') {
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return true;
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}
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if ($str == 'ALL_AFTER_AC') {
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return hasAC($user,$problem);
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}
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if ($str == 'SELF') {
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return $submission['submitter'] == $user['username'];
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}
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return false;
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}
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function hasViewSolutionPermission($str, $user, $problem) {
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if (isSuperUser($user) || isProblemManager($user)) {
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return true;
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}
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if ($str == 'ALL') {
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return true;
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}
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if ($str == 'ALL_AFTER_AC') {
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return hasAC($user, $problem);
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}
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return false;
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}
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function hasContestPermission($user, $contest) {
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if ($user == null) {
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return false;
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}
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if (isSuperUser($user)) {
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return true;
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}
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return DB::selectFirst("select * from contests_permissions where username = '{$user['username']}' and contest_id = {$contest['id']}") != null;
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}
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function hasRegistered($user, $contest) {
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return DB::selectFirst("select * from contests_registrants where username = '${user['username']}' and contest_id = ${contest['id']}") != null;
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}
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function hasAC($user, $problem) {
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return DB::selectFirst("select * from best_ac_submissions where submitter = '${user['username']}' and problem_id = ${problem['id']}") != null;
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}
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function hasParticipated($user, $contest) {
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$result = DB::selectFirst("select * from contests_registrants where username = '${user['username']}' and contest_id = ${contest['id']}");
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return $result != null && $result['has_participated'];
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}
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function queryUser($username) {
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if (!validateUsername($username)) {
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return null;
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}
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return DB::selectFirst("select * from user_info where username='$username'", MYSQLI_ASSOC);
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}
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function queryProblemContent($id) {
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return DB::selectFirst("select * from problems_contents where id = $id", MYSQLI_ASSOC);
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}
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function queryProblemBrief($id) {
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return DB::selectFirst("select * from problems where id = $id", MYSQLI_ASSOC);
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}
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function queryProblemTags($id) {
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$tags = array();
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$result = DB::query("select tag from problems_tags where problem_id = $id order by id");
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while ($row = DB::fetch($result, MYSQLI_NUM)) {
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$tags[] = $row[0];
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}
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return $tags;
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}
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function queryProblemList($id) {
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return DB::selectFirst("select * from lists where id = $id", MYSQLI_ASSOC);
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}
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function queryProblemListTags($id) {
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$tags = array();
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$result = DB::query("select tag from lists_tags where list_id = $id order by id");
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if (!$result) {
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return $tags;
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}
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while ($row = DB::fetch($result, MYSQLI_NUM)) {
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$tags[] = $row[0];
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}
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return $tags;
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}
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function queryProblemInList($list_id, $problem_id) {
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return DB::selectFirst("select * from lists_problems where list_id='$blog_id' and problem_id='$problem_id'", MYSQLI_ASSOC);
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}
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function querySolution($problem_id, $blog_id) {
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return DB::selectFirst("select * from problems_solutions where blog_id='$blog_id' and problem_id='$problem_id'", MYSQLI_ASSOC);
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}
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function queryContestProblemRank($contest, $problem) {
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if (!DB::selectFirst("select * from contests_problems where contest_id = {$contest['id']} and problem_id = {$problem['id']}")) {
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return null;
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}
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$contest_problems = DB::selectAll("select problem_id from contests_problems where contest_id = {$contest['id']} order by dfn, problem_id");
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return array_search(array('problem_id' => $problem['id']), $contest_problems) + 1;
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}
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function querySubmission($id) {
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return DB::selectFirst("select * from submissions where id = $id", MYSQLI_ASSOC);
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}
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function queryHack($id) {
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return DB::selectFirst("select * from hacks where id = $id", MYSQLI_ASSOC);
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}
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function queryContest($id) {
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return DB::selectFirst("select * from contests where id = $id", MYSQLI_ASSOC);
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}
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function queryContestProblem($id) {
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return DB::selectFirst("select * from contest_problems where contest_id = $id", MYSQLI_ASSOC);
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}
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function queryContestProblems($id) {
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return DB::selectAll("select * from contests_problems where contest_id = $id order by dfn, problem_id", MYSQLI_ASSOC);
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}
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function queryGroup($id) {
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return DB::selectFirst("select * from groups where id = $id", MYSQLI_ASSOC);
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}
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function queryGroupUsers($id) {
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return DB::selectAll("SELECT * FROM groups_users WHERE group_id = $id");
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}
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function queryUserInGroup($group_id, $username) {
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return DB::selectFirst("select * from groups_users where username='$username' and group_id='$group_id'", MYSQLI_ASSOC);
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}
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function queryGroupsOfUser($username) {
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return DB::selectAll("select b.title as title, b.id as id from groups_users a inner join groups b on a.group_id = b.id where a.username = '$username' and b.is_hidden = 0 order by id", MYSQLI_ASSOC);
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}
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function queryGroupmateCurrentAC($username) {
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return DB::selectAll("select a.problem_id as problem_id, a.submitter as submitter, a.submission_id as submission_id, b.submit_time as submit_time, c.group_id as group_id, c.group_name as group_name, d.title as problem_title, b.submit_time as submit_time, e.realname as realname from best_ac_submissions a inner join submissions b on (a.submission_id = b.id) inner join (select a.username as username, any_value(a.group_id) as group_id, any_value(c.title) as group_name from groups_users a inner join (select a.group_id as group_id from groups_users a inner join groups b on a.group_id = b.id where a.username = '$username' and b.is_hidden = 0) b on a.group_id = b.group_id inner join groups c on a.group_id = c.id group by a.username) c on a.submitter = c.username inner join problems d on (a.problem_id = d.id and d.is_hidden = 0) inner join user_info e on a.submitter = e.username where b.submit_time > addtime(now(), '-360:00:00') order by b.submit_time desc limit 10", MYSQLI_ASSOC);
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}
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function queryGroupCurrentAC($group_id) {
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return DB::selectAll("select a.problem_id as problem_id, a.submitter as submitter, a.submission_id as submission_id, b.submit_time as submit_time, d.title as problem_title, b.submit_time as submit_time, e.realname as realname from best_ac_submissions a inner join submissions b on (a.submission_id = b.id) inner join groups_users c on (a.submitter = c.username and c.group_id = $group_id) inner join problems d on (a.problem_id = d.id and d.is_hidden = 0) inner join user_info e on (a.submitter = e.username) where b.submit_time > addtime(now(), '-360:00:00') order by b.submit_time desc limit 10", MYSQLI_ASSOC);
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}
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function queryGroupAssignments($group_id) {
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return DB::selectAll("select a.id as id, a.list_id as list_id, a.end_time as end_time, b.title from groups_assignments a left join lists b on a.list_id = b.id where a.group_id = $group_id order by a.end_time asc", MYSQLI_ASSOC);
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}
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function queryGroupActiveAssignments($group_id) {
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return DB::selectAll("select a.id as id, a.group_id as group_id, a.list_id as list_id, a.end_time as end_time, b.title from groups_assignments a left join lists b on a.list_id = b.id where a.group_id = $group_id and a.end_time > addtime(now(), '-168:00:00') order by a.end_time asc", MYSQLI_ASSOC);
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}
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function queryAssignmentByGroupListID($group_id, $list_id) {
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return DB::selectFirst("select * from groups_assignments where list_id='$list_id' and group_id='$group_id'", MYSQLI_ASSOC);
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}
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function queryZanVal($id, $type, $user) {
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if ($user == null) {
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return 0;
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}
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$esc_type = DB::escape($type);
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$row = DB::selectFirst("select val from click_zans where username='{$user['username']}' and type='$esc_type' and target_id='$id'");
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if ($row == null) {
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return 0;
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}
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return $row['val'];
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}
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function queryBlog($id) {
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return DB::selectFirst("select * from blogs where id='$id'", MYSQLI_ASSOC);
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}
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function queryBlogTags($id) {
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$tags = array();
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$result = DB::select("select tag from blogs_tags where blog_id = $id order by id");
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while ($row = DB::fetch($result, MYSQLI_NUM)) {
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$tags[] = $row[0];
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}
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return $tags;
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}
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function queryBlogComment($id) {
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return DB::selectFirst("select * from blogs_comments where id='$id'", MYSQLI_ASSOC);
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}
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function isProblemVisibleToUser($problem, $user) {
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return !$problem['is_hidden'] || hasProblemPermission($user, $problem);
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}
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function isContestProblemVisibleToUser($problem, $contest, $user) {
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if (isProblemVisibleToUser($problem, $user)) {
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return true;
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}
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if ($contest['cur_progress'] >= CONTEST_PENDING_FINAL_TEST) {
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return true;
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}
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if ($contest['cur_progress'] == CONTEST_NOT_STARTED) {
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return false;
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}
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return hasRegistered($user, $contest);
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}
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function isSubmissionVisibleToUser($submission, $problem, $user) {
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if (isProblemManager($user)) {
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return true;
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} elseif (!$submission['is_hidden']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isHackVisibleToUser($hack, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$hack['is_hidden']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isSubmissionFullVisibleToUser($submission, $contest, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif ($submission['submitter'] == $user['username']) {
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return true;
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} elseif (isRegisteredRunningContestProblem($user, $problem)) {
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return false;
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} elseif (!$contest) {
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return true;
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} elseif ($contest['cur_progress'] > CONTEST_IN_PROGRESS) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isHackFullVisibleToUser($hack, $contest, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$contest) {
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return true;
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} elseif ($contest['cur_progress'] > CONTEST_IN_PROGRESS) {
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return true;
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} elseif ($hack['hacker'] == $user['username']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isRegisteredRunningContestProblem($user, $problem) {
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$result = DB::query("select contest_id from contests_problems where problem_id = {$problem['id']}");
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while (list($contest_id) = DB::fetch($result, MYSQLI_NUM)) {
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$contest = queryContest($contest_id);
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genMoreContestInfo($contest);
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if ($contest['cur_progress'] == CONTEST_IN_PROGRESS
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&& hasRegistered($user, $contest)
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&& !hasContestPermission($user, $contest)
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&& queryContestProblemRank($contest, $problem)) {
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return true;
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}
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}
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return false;
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}
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function deleteBlog($id) {
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if (!validateUInt($id)) {
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return;
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}
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DB::delete("delete from click_zans where type = 'B' and target_id = $id");
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DB::delete("delete from click_zans where type = 'BC' and target_id in (select id from blogs_comments where blog_id = $id)");
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DB::delete("delete from blogs where id = $id");
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DB::delete("delete from blogs_comments where blog_id = $id");
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DB::delete("delete from important_blogs where blog_id = $id");
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DB::delete("delete from blogs_tags where blog_id = $id");
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DB::delete("DELETE FROM problems_solutions WHERE blog_id = $id");
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}
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