wyoj-system/app/controllers/user_info.php

<?php
    $username = $_GET['username'];

    requireLib('flot');
    $REQUIRE_LIB['mathjax'] = '';
    $REQUIRE_LIB['hljs'] = '';
?>
<?php if (validateUsername($username) && ($user = queryUser($username))): ?>
    <?php echoUOJPageHeader($user['username'] . ' - ' . UOJLocale::get('user profile')) ?>
    <?php
        $esc_motto = HTML::escape($user['motto']);
        $esc_qq    = HTML::escape($user['qq'] != 0 ? $user['qq'] : 'Unfilled');
	$groups = explode(',', $user['extgroups']);
	$extgroups = '';
	foreach ($groups as $grp) {
		$grpname = queryUser($grp)['email'];
		if ($grpname == '') $grpname = '无昵称';
		$extgroups .= "<a href=\"/user/profile/{$grp}\">$grpname ($grp)</a>";
		$extgroups .= '<br/>';
	}

        $bgurl  = isset($user['bgurl']) ? trim($user['bgurl']) : '';
        $has_bg = $bgurl !== '' && preg_match('#^https?://#i', $bgurl);
        $bg_style = $has_bg ? 'background-image: url(\'' . HTML::escape($bgurl) . '\');' : '';

        // rating 排名：rating 严格小于他的人数 + 1
        $rating_rank = DB::selectCount("select count(*) from user_info where rating > {$user['rating']}") + 1;
    ?>

    <div class="wyoj-profile">

        <!-- Banner -->
        <div class="wyoj-banner" style="<?= $bg_style ?>">
            <div class="wyoj-banner-overlay"></div>
	    <div class="wyoj-banner-content">
		<div class="wyoj-identity">
	                <div class="wyoj-username"><?= $user['username'] ?></div>
			<div class="wyoj-motto"><?= $esc_motto ?></div>
		</div>
                <img class="wyoj-avatar"
                     src="<?= HTML::avatar_addr($user, 256) ?>"
                     alt="<?= $user['username'] ?> Avatar">
            </div>
        </div>

        <!-- 下方：左 aboutme，右信息卡 -->
        <div class="row wyoj-profile-body">
            <div class="col-12 col-lg-8">
                <div class="wyoj-about">
                    <?php
                        $blogid = $user['aboutme_blogid'];
                        if ($blogid) {
                            echoBlog(queryBlog($blogid), array(
                                'show_content_only'    => true,
                                'outside_blog_domain'  => true
                            ));
                        } else {
                            echo '<p class="wyoj-empty">这个人很懒，什么都没有写。</p>';
                        }
                    ?>
                </div>
            </div>
            <div class="col-12 col-lg-4">
                <div class="wyoj-info-card">
                    <div class="wyoj-info-item">
                        <div class="wyoj-info-label">Rating</div>
                        <div class="wyoj-info-value">
                            <strong style="color:#dc3545;"><?= $user['rating'] ?></strong>
                            <small>(±<?= round($user['rating_rd']) * 2 ?>)</small>
                        </div>
                    </div>
                    <div class="wyoj-info-item">
                        <div class="wyoj-info-label">Rating 排名</div>
                        <div class="wyoj-info-value">
                            <strong style="color:#dc3545;">#<?= $rating_rank ?></strong>
                        </div>
                    </div>
                    <div class="wyoj-info-item">
                        <div class="wyoj-info-label">QQ</div>
                        <div class="wyoj-info-value"><?= $esc_qq ?></div>
                    </div>
                    <div class="wyoj-info-item">
                        <div class="wyoj-info-label">用户组</div>
                        <div class="wyoj-info-value"><?= $extgroups ?></div>
                    </div>
                    <div class="wyoj-info-item">
                        <div class="wyoj-info-label">注册时间</div>
                        <div class="wyoj-info-value"><?= $user['register_time'] ?></div>
                    </div>
                </div>
            </div>
        </div>

        <!-- rating 曲线 + 分布 -->
        <div class="row wyoj-rating-row">
            <div class="col-12 col-lg-8">
                <div class="wyoj-chart-card">
                    <h5 class="wyoj-chart-title"><?= UOJLocale::get('rating changes') ?></h5>
                    <div id="rating-plot" class="wyoj-chart"></div>
                </div>
            </div>
            <div class="col-12 col-lg-4">
                <div class="wyoj-chart-card">
                    <h5 class="wyoj-chart-title">Rating 分布</h5>
                    <div id="rating-dist-plot" class="wyoj-chart"></div>
                </div>
            </div>
        </div>
    </div>

    <style>
    .wyoj-profile { color: #212529; }

    /* ---------- Banner ---------- */
    .wyoj-banner {
        position: relative;
        height: 220px;
        border-radius: 8px;
        overflow: hidden;
        background-color: #f8f9fa;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        border: 1px solid #dee2e6;
    }
    .wyoj-banner-overlay {
        position: absolute; inset: 0;
        background: linear-gradient(180deg,
                    rgba(255,255,255,0.10) 0%,
                    rgba(255,255,255,0.55) 100%);
        pointer-events: none;
    }
    .wyoj-banner-content {
        position: absolute; inset: 0;
        display: flex; align-items: flex-end; justify-content: flex-end;
        padding: 20px 28px; gap: 20px; z-index: 1;
    }

    .wyoj-identity {
        text-align: right;
        max-width: 420px;
        padding-bottom: 6px;
    }
    .wyoj-username {
        color: #212529;
        font-size: 1.4rem;
        font-weight: 700;
        line-height: 1.2;
        text-shadow: 0 1px 2px rgba(255,255,255,0.9);
    }
    .wyoj-motto {
        color: #212529;
        font-size: 1rem;
	line-height: 1.5;
	text-shadow: 0 1px 2px rgba(255,255,255,0.9);
    }
    

    .wyoj-avatar {
        width: 96px; height: 96px; object-fit: cover;
        border-radius: 50%;
        border: 3px solid #fff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        flex-shrink: 0;
    }

    /* ---------- 下方内容 ---------- */
    .wyoj-profile-body { margin-top: 24px; }

    .wyoj-about { min-height: 1px; }
    .wyoj-about a { color: #dc3545; }
    .wyoj-empty {
        color: #6c757d;
        margin: 0;
        padding: 24px;
        background: #fff;
        border: 1px solid #dee2e6;
        border-radius: 8px;
    }

    .wyoj-info-card {
        background: #fff;
        border: 1px solid #dee2e6;
        border-radius: 8px;
        padding: 8px 20px;
    }
    .wyoj-info-item {
        padding: 14px 0;
        border-bottom: 1px solid #e9ecef;
    }
    .wyoj-info-item:last-child { border-bottom: none; }
    .wyoj-info-label {
        color: #6c757d;
        font-size: 0.78rem;
        letter-spacing: 0.04em;
        margin-bottom: 4px;
    }
    .wyoj-info-value {
        color: #212529;
        font-size: 0.95rem;
        word-break: break-all;
    }

    /* ---------- rating 图表 ---------- */
    .wyoj-rating-row { margin-top: 24px; }
    .wyoj-chart-card {
        background: #fff;
        border: 1px solid #dee2e6;
        border-radius: 8px;
        padding: 20px;
        height: 100%;
    }
    .wyoj-chart-title {
        color: #212529;
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 14px;
    }
    .wyoj-chart { width: 100%; height: 320px; }

    .wyoj-chart .flot-tick-label {
        color: #6c757d !important;
        font-size: 0.75rem;
    }
    .wyoj-chart .flot-text { color: #6c757d; }
    .wyoj-chart canvas { background: transparent; }

    #rating-tooltip {
        position: absolute; display: none;
        background: #fff !important;
        color: #212529 !important;
        border: 1px solid #dc3545 !important;
        border-radius: 6px;
        padding: 6px 10px !important;
        font-size: 12px !important;
        opacity: 0.98 !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        z-index: 9999;
        pointer-events: none;
    }
    #rating-tooltip a { color: #dc3545 !important; }

    /* ---------- 小屏适配 ---------- */
    @media (max-width: 991.98px) {
        .wyoj-banner { height: 180px; }
        .wyoj-banner-content { padding: 16px 18px; gap: 14px; }
	.wyoj-identity { max-width: 60%; }
	.wyoj-username { font-size: 1.15rem; }
	.wyoj-motto { font-size: 0.9rem; }
        .wyoj-avatar { width: 72px; height: 72px; }
        .wyoj-info-card { margin-top: 20px; }
        .wyoj-chart { height: 260px; }
        .wyoj-chart-card + .wyoj-chart-card { margin-top: 20px; }
    }
    </style>

    <script type="text/javascript">
    var rating_data = [[
    <?php
        $user_rating_min = $user_rating_max = 1500;
        $result = DB::query("select contest_id, `rank`, user_rating from contests_registrants join contests on id = contest_id where username = '{$user['username']}' and has_participated = 1 order by contests.start_time");
        $is_first_row = true;
        $last_rating = 1500;
        while ($row = DB::fetch($result)) {
            $contest = queryContest($row['contest_id']);
            $rating_delta = $row['user_rating'] - $last_rating;
            if (!$is_first_row) {
                echo "[$last_contest_time, {$row['user_rating']}, $last_contest_id, $last_contest_name, $last_rank, $rating_delta],";
            } else {
                $is_first_row = false;
            }
            $contest_start_time = new DateTime($contest['start_time']);
            $last_contest_time = ($contest_start_time->getTimestamp() + $contest_start_time->getOffset()) * 1000;
            $last_contest_name = json_encode($contest['name']);
            $last_contest_id = $contest['id'];
            $last_rank = $row['rank'];
            $last_rating = $row['user_rating'];

            if ($row['user_rating'] < $user_rating_min) $user_rating_min = $row['user_rating'];
            if ($row['user_rating'] > $user_rating_max) $user_rating_max = $row['user_rating'];
        }
        if ($is_first_row) {
            $time_now_stamp = (UOJTime::$time_now->getTimestamp() + UOJTime::$time_now->getOffset()) * 1000;
            echo "[{$time_now_stamp}, {$user['rating']}, 0]";
        } else {
            $rating_delta = $user['rating'] - $last_rating;
            echo "[$last_contest_time, {$user['rating']}, $last_contest_id, $last_contest_name, $last_rank, $rating_delta]";
        }
        if ($user['rating'] < $user_rating_min) $user_rating_min = $user['rating'];
        if ($user['rating'] > $user_rating_max) $user_rating_max = $user['rating'];

        $user_rating_min -= 400;
        $user_rating_max += 400;
    ?>
    ]];

    var rating_plot = $.plot($("#rating-plot"), [{
        color: "#dc3545",
        label: "<?= $user['username'] ?>",
        data: rating_data[0]
    }], {
        series: {
            lines: { show: true, lineWidth: 2 },
            points: { show: true, radius: 3, fillColor: "#fff" }
        },
        xaxis: { mode: "time", color: "#6c757d" },
        yaxis: {
            min: <?= $user_rating_min ?>,
            max: <?= $user_rating_max ?>,
            color: "#6c757d"
        },
        legend: {
            labelFormatter: function(username) {
                return getUserLink(username, <?= $user['rating'] ?>, false);
            }
        },
        grid: {
            clickable: true,
            hoverable: true,
            borderWidth: 1,
            borderColor: "#e9ecef",
            color: "#6c757d",
            backgroundColor: null
        },
        hooks: {
            drawBackground: [
                function(plot, ctx) {
                    var plotOffset = plot.getPlotOffset();
                    for (var y = 0; y < plot.height(); y++) {
                        var rating = <?= $user_rating_max ?> - <?= $user_rating_max - $user_rating_min ?> * y / plot.height();
                        ctx.fillStyle = getColOfRating(rating);
                        ctx.globalAlpha = 0.10;
                        ctx.fillRect(plotOffset.left, plotOffset.top + y, plot.width(), Math.min(5, plot.height() - y));
                    }
                    ctx.globalAlpha = 1;
                }
            ]
        }
    });

    function showTooltip(x, y, contents) {
        $('<div id="rating-tooltip">' + contents + '</div>').css({
            position: 'absolute',
            display: 'none',
            top: y - 20,
            left: x + 10
        }).appendTo("body").fadeIn(200);
    }

    var prev = -1;
    function onHoverRating(event, pos, item) {
        if (prev != item.dataIndex) {
            $("#rating-tooltip").remove();
            var params = rating_data[item.seriesIndex][item.dataIndex];

            var total = params[1];
            var contestId = params[2];
            if (contestId != 0) {
                var change = params[5] > 0 ? "+" + params[5] : params[5];
                var contestName = params[3];
                var rank = params[4];
                var html = "= " + total + " (" + change + "), <br/>"
                    + "Rank: " + rank + "<br/>"
                    + '<a href="' + '/contest/' + contestId + '">' + contestName + '</a>';
            } else {
                var html = "= " + total + "<br/>Unrated";
            }
            showTooltip(item.pageX, item.pageY, html);
            prev = item.dataIndex;
        }
    }
    $("#rating-plot").bind("plothover", function (event, pos, item) {
        if (item) onHoverRating(event, pos, item);
    });
    $("#rating-plot").bind("plotclick", function (event, pos, item) {
        if (item && prev == -1) {
            onHoverRating(event, pos, item);
        } else {
            $("#rating-tooltip").fadeOut(200);
            prev = -1;
        }
    });

    (() => {
        var E = <?php echo $user['rating']; ?>, sigma = <?php echo $user['rating_rd']; ?>;
        var data = [], step = 0.1;
        for (var x = E - 6 * sigma; x <= E + 6 * sigma; x += step) {
            var e = -Math.pow(x - E, 2) / (2 * Math.pow(sigma, 2));
            var pdf = (1 / (sigma * Math.sqrt(2 * Math.PI))) * Math.exp(e);
            data.push([x, pdf]);
        }

        var realratings = [
            <?php
            $result = DB::query("select contest_id, user_rating from contests_registrants where username = '{$user['username']}' and has_participated = 1");
            foreach ($result as $r) echo "{$r['user_rating']}, ";
            echo '0';
            ?>
        ];

        var realdata = [];
        realratings.forEach((x) => {
            if (x >= E - 6 * sigma && x <= E + 6 * sigma) {
                var e = -Math.pow(x - E, 2) / (2 * Math.pow(sigma, 2));
                var pdf = (1 / sigma / Math.sqrt(2 * Math.PI)) * Math.exp(e);
                realdata.push([x, pdf]);
            }
        });

        var maxY = 0;
        data.forEach(p => { if (p[1] > maxY) maxY = p[1]; });

        $.plot('#rating-dist-plot', [{
            data: data,
            color: '#dc3545',
            lines: { show: true, lineWidth: 2 },
            points: { show: false }
        }, {
            data: realdata,
            color: '#6c757d',
            lines: { show: false },
            points: {
                show: true,
                radius: 3,
                fillColor: '#fff',
                symbol: 'circle'
            }
        }, {
            data: [[E, 0], [E, maxY]],
            color: '#dc3545',
            lines: { show: true, lineWidth: 1 },
            dashes: { show: true, lineWidth: 1, dashLength: 4 }
        }], {
            grid: {
                hoverable: true,
                borderWidth: 1,
                borderColor: "#e9ecef",
                color: "#6c757d",
                backgroundColor: null,
                markings: [{
                    xaxis: { from: E, to: E },
                    color: "rgba(220,53,69,0.10)"
                }]
            },
            xaxis: { color: "#6c757d" },
            yaxis: { color: "#6c757d", show: false },
            legend: { show: false }
        });
    })();
    </script>

<?php else: ?>
    <?php echoUOJPageHeader('不存在该用户' . ' - 用户信息') ?>
    <div class="card border-danger">
        <div class="card-header bg-danger">用户信息</div>
        <div class="card-body">
            <h4>不存在该用户</h4>
        </div>
    </div>
<?php endif ?>

<?php echoUOJPageFooter() ?>