查看“︁MediaWiki:Common.css”︁的源代码

local p = {}

function p.renderSidebar(frame)
    local extData = mw.ext.externalData
    if not extData or not extData.getDbData then
        return "错误：未找到 External Data 接口"
    end

    -- 1. 获取最新期数
    local latest_data = extData.getDbData{
        db = 'wp_db', 
        from = 'wp_owmc_currency_rates',
        ['order by'] = 'year DESC, month DESC', 
        limit = 1,
        data = 'year=year, month=month'
    }
    
    if not latest_data or not latest_data[1] then return "暂无行情数据" end
    local max_y = tonumber(latest_data[1].year)
    local max_m = tonumber(latest_data[1].month)

    -- 2. 计算 8 期前（1 个月前）的期数
    local current_abs = max_y * 104 + max_m
    local old_abs = current_abs - 8
    local old_y = math.floor((old_abs - 1) / 104)
    local old_m = ((old_abs - 1) % 104) + 1

    -- 3. 抓取本期和上月的数据
    local current_rates = extData.getDbData{ db = 'wp_db', from = 'wp_owmc_currency_rates', where = string.format("year=%d AND month=%d", max_y, max_m), limit = 200, data = 'currency_code=currency_code, rate=rate' }
    local old_rates = extData.getDbData{ db = 'wp_db', from = 'wp_owmc_currency_rates', where = string.format("year=%d AND month=%d", old_y, old_m), limit = 200, data = 'currency_code=currency_code, rate=rate' }
    local meta_data = extData.getDbData{ db = 'wp_db', from = 'wp_owmc_currency_meta', limit = 200, data = 'currency_code=currency_code, currency_name=currency_name' }

    -- 4. 数据映射与处理
    local meta_map, old_map = {}, {}
    if meta_data then for _, r in ipairs(meta_data) do meta_map[r.currency_code] = r.currency_name end end
    if old_rates then for _, r in ipairs(old_rates) do old_map[r.currency_code] = tonumber(r.rate) end end

    local stats = {}
    if current_rates then
        for _, row in ipairs(current_rates) do
            local code = row.currency_code
            local c_rate = tonumber(row.rate)
            local o_rate = old_map[code]

            if c_rate and o_rate and c_rate > 0 then
                local val_current = 1 / c_rate
                local val_old = 1 / o_rate
                local pct = ((val_current - val_old) / val_old) * 100
                table.insert(stats, { code = code, name = meta_map[code] or code, val = val_current, pct = pct })
            end
        end
    end

    table.sort(stats, function(a, b) return a.pct > b.pct end)

    -- 5. 渲染 HTML (去掉了固定宽度、边框和阴影，默认撑满 100%)
    local html = mw.html.create('div')
        :cssText("width: 100%; margin: 0 0 16px 0; background: transparent; font-family: -apple-system, 'Segoe UI', sans-serif;")

    local function renderRow(item)
        local is_up = item.pct >= 0
        local color = is_up and "#f43f5e" or "#10b981"
        local sign = is_up and "▲ +" or "▼ "
        local pct_str = string.format("%.2f%%", item.pct)
        local val_str = string.format("%.4f", item.val)

        -- 引入 RemixIcon 图标作为趋势线
        local icon_class = is_up and "ri-trend-up-line" or "ri-trend-down-line"
        if item.pct == 0 then icon_class = "ri-subtract-line" end
        local sparkline = string.format('<i class="%s" style="color: %s; font-size: 24px; opacity: 0.8;"></i>', icon_class, color)

        return string.format([[
        <div style="display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #f1f5f9;">
            <div style="flex: 1; text-align: left;">
                <div style="font-weight: 900; color: #0f172a; font-size: 14px; font-family: 'Courier New', monospace;">%s</div>
                <div style="font-size: 11px; color: #64748b; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 90px;">%s</div>
            </div>
            <div style="flex: 0 0 50px; text-align: center;">%s</div>
            <div style="flex: 1; text-align: right;">
                <div style="font-weight: bold; font-family: 'Courier New', monospace; font-size: 14px; color: #0f172a;">%s</div>
                <div style="font-size: 11px; font-weight: 800; color: %s; letter-spacing: -0.5px;">%s%s</div>
            </div>
        </div>
        ]], item.code, item.name, sparkline, val_str, color, sign, pct_str)
    end

    -- 渲染区块标题样式
    local function renderHeader(title, color)
        return mw.html.create('div'):cssText(string.format("font-size: 12px; font-weight: 800; color: %s; text-transform: uppercase; margin-top: 12px; margin-bottom: 4px;", color)):wikitext(title)
    end

    html:node(renderHeader("Core Assets / 主币", "#94a3b8"))
    local cores = {WMC=true, KCK=true, SKV=true, COS=true}
    for _, item in ipairs(stats) do
        if cores[item.code] then html:node(mw.html.create('div'):wikitext(renderRow(item))) end
    end

    html:node(renderHeader("Top Gainers / 领涨", "#f43f5e"))
    local count = 0
    for _, item in ipairs(stats) do
        if not cores[item.code] and item.pct > 0 then
            html:node(mw.html.create('div'):wikitext(renderRow(item)))
            count = count + 1
            if count >= 3 then break end
        end
    end

    html:node(renderHeader("Top Losers / 领跌", "#10b981"))
    count = 0
    for i = #stats, 1, -1 do
        local item = stats[i]
        if not cores[item.code] and item.pct < 0 then
            html:node(mw.html.create('div'):wikitext(renderRow(item)))
            count = count + 1
            if count >= 3 then break end
        end
    end

    return tostring(html)
end

return p