ArticleWeather/Plugin.php

<?php
/**
 * 文章页发布日温度、天气、地点
 * 
 * @package ArticleWeather
 * @author 石头厝
 * @version 22.1
 * @link https://www.shitoucuo.com/
 */

// 防止直接访问
if (!defined('__TYPECHO_ROOT_DIR__')) exit;

class ArticleWeather_Plugin implements Typecho_Plugin_Interface
{
    private static $tableName = 'article_weather';
    private static $pendingWeatherData = array();
    
    public static function activate()
    {
        self::createTable();
        
        // 文章编辑相关钩子
        Typecho_Plugin::factory('Widget_Contents_Post_Edit')->write = array(__CLASS__, 'onWrite');
        Typecho_Plugin::factory('Widget_Contents_Post_Edit')->finishPublish = array(__CLASS__, 'finishSaveWeatherData');
        Typecho_Plugin::factory('Widget_Contents_Post_Edit')->finishSave = array(__CLASS__, 'finishSaveWeatherData');
        
        // 删除文章时同步删除天气数据
        Typecho_Plugin::factory('Widget_Contents_Post_Edit')->delete = array(__CLASS__, 'onDelete');
        
        return '天气插件已激活！';
    }
    
    public static function deactivate()
    {
        return '天气插件已禁用';
    }
    
    public static function config(Typecho_Widget_Helper_Form $form)
    {
        echo '<h3>高德地图API配置</h3>';
        
        $apiKey = new Typecho_Widget_Helper_Form_Element_Text('apiKey', 
            NULL, '', '高德地图API_KEY', 
            '');
        $form->addInput($apiKey->addRule('required', '必须填写API Key'));
        
        // 添加测试按钮
        echo '<div style="margin: 15px 0;">
                <button type="button" id="test-api-btn" class="btn">测试API连接</button>
                <span id="test-result" style="margin-left: 10px;"></span>
              </div>';
        
        echo '<script>
        document.getElementById("test-api-btn").addEventListener("click", function() {
            var apiKey = document.querySelector("input[name=\'apiKey\']").value;
            var testResult = document.getElementById("test-result");
            
            if (!apiKey) {
                testResult.innerHTML = "<span style=\'color: red;\'>请先填写API Key</span>";
                return;
            }
            
            testResult.innerHTML = "<span style=\'color: blue;\'>测试中...</span>";
            
            // 高德天气API测试
            var xhr = new XMLHttpRequest();
            xhr.open("GET", "https://restapi.amap.com/v3/weather/weatherInfo?key=" + encodeURIComponent(apiKey) + "&city=110000&extensions=base", true);
            xhr.onreadystatechange = function() {
                if (xhr.readyState === 4) {
                    if (xhr.status === 200) {
                        try {
                            var data = JSON.parse(xhr.responseText);
                            if (data.status === "1" && data.infocode === "10000") {
                                testResult.innerHTML = "<span style=\'color: green;\'>✓ API连接成功！</span>";
                            } else {
                                var msg = data.info || "未知错误";
                                var code = data.infocode || "未知";
                                testResult.innerHTML = "<span style=\'color: red;\'>API错误: " + msg + " (" + code + ")</span>";
                            }
                        } catch(e) {
                            testResult.innerHTML = "<span style=\'color: red;\'>响应解析失败</span>";
                        }
                    } else {
                        testResult.innerHTML = "<span style=\'color: red;\'>网络请求失败 (HTTP " + xhr.status + ")</span>";
                    }
                }
            };
            xhr.send();
        });
        </script>';
        
        echo '<div style="padding: 12px; border-radius: 6px; margin-top: 15px; border-left: 4px solid #1890ff;">
                <strong>📝 如何获取高德API Key：</strong>
                <ol style="margin: 8px 0; padding-left: 20px; font-size: 13px;">
                    <li>访问 <a href="https://lbs.amap.com/" target="_blank" style="color: #0066cc;">高德开放平台</a></li>
                    <li>注册并登录账号</li>
                    <li>进入"控制台" → "应用管理" → "我的应用"</li>
                    <li>创建新应用，选择"Web服务"类型</li>
                    <li>添加Key，服务选择"Web服务"（不要选Web端）</li>
                    <li>免费版每日调用限制：天气API 5000次/Key</li>
                    <li><strong>注意：</strong>需要实名认证后才能使用</li>
                </ol>
              </div>';
    }
    
    public static function personalConfig(Typecho_Widget_Helper_Form $form) {}
    
    private static function createTable()
    {
        try {
            $db = Typecho_Db::get();
            $prefix = $db->getPrefix();
            
            // 检查表是否存在
            $result = $db->fetchRow($db->query("SHOW TABLES LIKE '{$prefix}article_weather'", Typecho_Db::READ));
            
            if (!$result) {
                // 表不存在，创建新表
                $sql = "CREATE TABLE IF NOT EXISTS `{$prefix}article_weather` (
                    `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
                    `cid` int(10) unsigned NOT NULL,
                    `location` varchar(100) DEFAULT '',
                    `display_location` varchar(100) DEFAULT '',
                    `weather` varchar(50) DEFAULT '',
                    `temperature` varchar(50) DEFAULT '',
                    `created` int(10) unsigned DEFAULT '0',
                    PRIMARY KEY (`id`),
                    UNIQUE KEY `cid` (`cid`)
                ) ENGINE=InnoDB DEFAULT CHARSET=utf8";
                $db->query($sql);
            } else {
                // 表已存在，检查是否已有display_location字段
                $result = $db->fetchRow($db->query("SHOW COLUMNS FROM `{$prefix}article_weather` LIKE 'display_location'", Typecho_Db::READ));
                if (!$result) {
                    // 添加display_location字段
                    $db->query("ALTER TABLE `{$prefix}article_weather` ADD COLUMN `display_location` varchar(100) DEFAULT '' AFTER `location`");
                }
            }
        } catch (Exception $e) {
            error_log("ArticleWeather创建表失败: " . $e->getMessage());
        }
    }
    
    /**
     * 提供主题调用的添加字段方法
     */
    public static function addFieldToLayout($layout)
    {
        $cid = isset($_GET['cid']) ? intval($_GET['cid']) : 0;
        $currentLocation = '';
        $currentDisplayLocation = '';
        
        if ($cid > 0) {
            $weatherData = self::getWeatherData($cid);
            if ($weatherData) {
                $currentLocation = isset($weatherData['location']) ? $weatherData['location'] : '';
                $currentDisplayLocation = isset($weatherData['display_location']) ? $weatherData['display_location'] : '';
            }
        }
        
        // 天气地点字段
        $locationField = new Typecho_Widget_Helper_Form_Element_Text('weather_location', 
            NULL, $currentLocation, '天气地点', '填写城市名称，获取发布当日天气、温度，留空则不使用本功能');
        
        $locationField->input->setAttribute('style', 'width: 50%; max-width: 200px;');
        $locationField->input->setAttribute('placeholder', '例如：北京市');
        $locationField->input->setAttribute('name', 'fields[weather_location]');
        
        $layout->addItem($locationField);
        
        // 新增：发布地点字段
        $displayLocationField = new Typecho_Widget_Helper_Form_Element_Text('display_location', 
            NULL, $currentDisplayLocation, '发布地点', '填写要显示在文章页的发布地点，留空则使用天气地点');
        
        $displayLocationField->input->setAttribute('style', 'width: 50%; max-width: 200px;');
        $displayLocationField->input->setAttribute('placeholder', '例如：上海外等');
        $displayLocationField->input->setAttribute('name', 'fields[display_location]');
        
        $layout->addItem($displayLocationField);
    }
    
    /**
     * write 钩子 - 获取天气数据
     */
    public static function onWrite($contents, $widget)
    {
        // 处理天气地点
        if (isset($_POST['fields']) && isset($_POST['fields']['weather_location'])) {
            $location = trim($_POST['fields']['weather_location']);
            
            if (!empty($location)) {
                $created = isset($contents['created']) && $contents['created'] ? $contents['created'] : time();
                $publishDate = date('Y-m-d', $created);
                
                try {
                    $weatherData = self::fetchWeatherFromAPI($location, $publishDate);
                    
                    self::$pendingWeatherData = array(
                        'location' => $location,
                        'weatherData' => $weatherData
                    );
                } catch (Exception $e) {
                    // 保存错误信息，但不中断流程
                    self::$pendingWeatherData = array(
                        'location' => $location,
                        'error' => $e->getMessage()
                    );
                }
            } else {
                self::$pendingWeatherData = array();
            }
        }
        
        return $contents;
    }
    
    /**
     * 文章保存完成后的钩子
     */
    public static function finishSaveWeatherData($contents, $widget)
    {
        if (!isset($widget->cid) || !$widget->cid) {
            return $contents;
        }
        
        $cid = $widget->cid;
        
        // 获取天气地点
        $location = '';
        if (isset($_POST['fields']) && isset($_POST['fields']['weather_location'])) {
            $location = trim($_POST['fields']['weather_location']);
        }
        
        // 获取显示地点
        $displayLocation = '';
        if (isset($_POST['fields']) && isset($_POST['fields']['display_location'])) {
            $displayLocation = trim($_POST['fields']['display_location']);
        }
        
        if (!empty(self::$pendingWeatherData) && self::$pendingWeatherData['location'] == $location) {
            $pendingData = self::$pendingWeatherData;
            
            if (isset($pendingData['error'])) {
                error_log("ArticleWeather API错误: " . $pendingData['error']);
                self::$pendingWeatherData = array();
                return $contents;
            }
            
            $weatherData = $pendingData['weatherData'];
            // 如果显示地点为空，使用天气地点
            if (empty($displayLocation) && !empty($location)) {
                $displayLocation = $location;
            }
            
            self::saveToDatabase($cid, $location, $displayLocation, $weatherData);
            self::$pendingWeatherData = array();
        } else {
            if (!empty($location)) {
                $created = isset($widget->created) && $widget->created ? $widget->created : time();
                $publishDate = date('Y-m-d', $created);
                
                try {
                    $weatherData = self::fetchWeatherFromAPI($location, $publishDate);
                    // 如果显示地点为空，使用天气地点
                    if (empty($displayLocation)) {
                        $displayLocation = $location;
                    }
                    
                    self::saveToDatabase($cid, $location, $displayLocation, $weatherData);
                } catch (Exception $e) {
                    error_log("ArticleWeather API错误: " . $e->getMessage());
                }
            } else {
                self::removeFromDatabase($cid);
            }
        }
        
        return $contents;
    }
    
    /**
     * 删除文章时的钩子
     */
    public static function onDelete($cid, $widget)
    {
        self::removeFromDatabase($cid);
        return $cid;
    }
    
    /**
     * 从API获取天气数据 - 使用高德地图天气API
     */
    private static function fetchWeatherFromAPI($location, $date = null)
    {
        $options = Typecho_Widget::widget('Widget_Options')->plugin('ArticleWeather');
        $apiKey = $options ? $options->apiKey : '';
        
        if (empty($apiKey)) {
            throw new Exception('请先设置高德地图API Key');
        }
        
        if (empty($date)) {
            $date = date('Y-m-d');
        }
        
        // 使用高德地图天气API
        try {
            // 第一步：获取城市编码（adcode）
            $geocodeUrl = "https://restapi.amap.com/v3/geocode/geo?key=" . urlencode($apiKey) . 
                         "&address=" . urlencode($location);
            
            $geocodeResponse = self::httpRequest($geocodeUrl);
            if (!$geocodeResponse) {
                throw new Exception('地理位置编码请求失败，请检查网络连接');
            }
            
            $geocodeData = json_decode($geocodeResponse, true);
            if (!$geocodeData || !isset($geocodeData['status'])) {
                throw new Exception('地理位置API返回数据格式错误');
            }
            
            if ($geocodeData['status'] !== '1') {
                $msg = isset($geocodeData['info']) ? $geocodeData['info'] : '未知错误';
                $code = isset($geocodeData['infocode']) ? $geocodeData['infocode'] : '未知';
                
                if ($code === '10001') {
                    throw new Exception('API Key无效或不存在，请检查Key是否正确');
                } elseif ($code === '10003') {
                    throw new Exception('API Key每日调用超限（5000次/天）');
                } elseif ($code === '10004') {
                    throw new Exception('API Key访问权限不足，请确认已开通Web服务');
                } elseif ($code === '10005') {
                    throw new Exception('请求频率超限');
                } else {
                    throw new Exception("地理位置查询失败 [{$code}]: {$msg}");
                }
            }
            
            if (empty($geocodeData['geocodes'])) {
                throw new Exception('未找到该城市信息，请确认城市名称是否正确：' . $location);
            }
            
            // 获取城市编码（adcode）
            $adcode = $geocodeData['geocodes'][0]['adcode'];
            
            // 第二步：获取天气信息
            // 高德天气API提供实时天气（base）和预报天气（all）
            // 这里我们使用实时天气，因为免费版可能不支持历史天气
            $weatherUrl = "https://restapi.amap.com/v3/weather/weatherInfo?key=" . urlencode($apiKey) . 
                         "&city=" . urlencode($adcode) . "&extensions=base";
            
            $weatherResponse = self::httpRequest($weatherUrl);
            if (!$weatherResponse) {
                throw new Exception('天气API请求失败');
            }
            
            $weatherData = json_decode($weatherResponse, true);
            if (!$weatherData || !isset($weatherData['status'])) {
                throw new Exception('天气API返回数据格式错误');
            }
            
            if ($weatherData['status'] !== '1') {
                $msg = isset($weatherData['info']) ? $weatherData['info'] : '未知错误';
                $code = isset($weatherData['infocode']) ? $weatherData['infocode'] : '未知';
                throw new Exception("天气查询失败 [{$code}]: {$msg}");
            }
            
            if (empty($weatherData['lives']) || empty($weatherData['lives'][0])) {
                throw new Exception('天气API返回数据为空');
            }
            
            $live = $weatherData['lives'][0];
            
            // 检查是否是今天
            $today = date('Y-m-d');
            $reportTime = isset($live['reporttime']) ? substr($live['reporttime'], 0, 10) : $today;
            
            // 如果是过去日期，尝试获取预报天气
            if ($date != $today && strtotime($date) > strtotime($today)) {
                // 尝试获取预报天气
                $forecastUrl = "https://restapi.amap.com/v3/weather/weatherInfo?key=" . urlencode($apiKey) . 
                              "&city=" . urlencode($adcode) . "&extensions=all";
                
                $forecastResponse = self::httpRequest($forecastUrl);
                if ($forecastResponse) {
                    $forecastData = json_decode($forecastResponse, true);
                    
                    if ($forecastData && $forecastData['status'] === '1' && !empty($forecastData['forecasts'][0]['casts'])) {
                        $casts = $forecastData['forecasts'][0]['casts'];
                        
                        // 查找指定日期的预报
                        foreach ($casts as $cast) {
                            if ($cast['date'] == $date) {
                                return array(
                                    'weather' => $cast['dayweather'],
                                    'temperature' => $cast['nighttemp'] . '~' . $cast['daytemp'] . '°C',
                                    'date' => $date,
                                    'note' => '预报天气'
                                );
                            }
                        }
                        
                        // 使用第一天预报
                        $cast = $casts[0];
                        return array(
                            'weather' => $cast['dayweather'],
                            'temperature' => $cast['nighttemp'] . '~' . $cast['daytemp'] . '°C',
                            'date' => $cast['date'],
                            'note' => '预报天气'
                        );
                    }
                }
            }
            
            // 使用实时天气数据
            return array(
                'weather' => $live['weather'],
                'temperature' => $live['temperature'] . '°C',
                'date' => $reportTime,
                'note' => '实时天气'
            );
            
        } catch (Exception $e) {
            throw $e;
        }
    }
    
    /**
     * 通用的HTTP请求方法
     */
    private static function httpRequest($url)
    {
        // 优先使用cURL
        if (function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_TIMEOUT, 10);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_USERAGENT, 'ArticleWeather Plugin/22.1');
            
            $response = curl_exec($ch);
            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            $error = curl_error($ch);
            curl_close($ch);
            
            if ($httpCode == 200 && $response) {
                return $response;
            } else {
                error_log("ArticleWeather cURL请求失败: URL: {$url}, HTTP Code: {$httpCode}, Error: {$error}");
                return false;
            }
        }
        
        // 备选方案：使用file_get_contents
        $context = stream_context_create([
            'http' => [
                'timeout' => 10,
                'ignore_errors' => true,
                'header' => "User-Agent: ArticleWeather Plugin/22.1\r\n"
            ],
            'ssl' => [
                'verify_peer' => false,
                'verify_peer_name' => false
            ]
        ]);
        
        $response = @file_get_contents($url, false, $context);
        
        if ($response === false) {
            $error = error_get_last();
            error_log("ArticleWeather HTTP请求失败: " . ($error['message'] ?? '未知错误'));
            return false;
        }
        
        return $response;
    }
    
    /**
     * 保存到数据库
     */
    private static function saveToDatabase($cid, $location, $displayLocation, $weatherData)
    {
        try {
            $db = Typecho_Db::get();
            
            $data = array(
                'cid' => $cid,
                'location' => $location,
                'display_location' => $displayLocation,
                'weather' => isset($weatherData['weather']) ? $weatherData['weather'] : '',
                'temperature' => isset($weatherData['temperature']) ? $weatherData['temperature'] : '',
                'created' => time()
            );
            
            // 检查是否已存在
            $exists = $db->fetchRow($db->select()->from('table.' . self::$tableName)->where('cid = ?', $cid));
            
            if ($exists) {
                $db->query($db->update('table.' . self::$tableName)->rows($data)->where('cid = ?', $cid));
            } else {
                $db->query($db->insert('table.' . self::$tableName)->rows($data));
            }
            
            return true;
            
        } catch (Exception $e) {
            error_log("ArticleWeather保存失败: " . $e->getMessage() . " CID: " . $cid);
            return false;
        }
    }
    
    /**
     * 从数据库删除记录
     */
    private static function removeFromDatabase($cid)
    {
        try {
            $db = Typecho_Db::get();
            $db->query($db->delete('table.' . self::$tableName)->where('cid = ?', $cid));
            return true;
        } catch (Exception $e) {
            error_log("ArticleWeather删除失败: " . $e->getMessage() . " CID: " . $cid);
            return false;
        }
    }
    
    /**
     * 获取天气数据
     */
    private static function getWeatherData($cid, $field = '')
    {
        if (!$cid) return null;
        
        try {
            $db = Typecho_Db::get();
            $row = $db->fetchRow($db->select()->from('table.' . self::$tableName)->where('cid = ?', $cid));
            
            if ($row && !empty($row['location'])) {
                if ($field && isset($row[$field])) {
                    return $row[$field];
                }
                return $row;
            }
        } catch (Exception $e) {
            // 忽略错误
        }
        
        return null;
    }
    
    /**
     * 生成天气HTML - 紧凑单行显示
     */
    private static function generateWeatherHtml($location, $weather, $temperature)
    {
        $weatherIcon = self::getWeatherIcon($weather);
        
        return <<<HTML
<div class="article-weather-compact" style="
    background: #f15a22;
    color: white;
    padding: 12px 12px;
    border-radius: 20px;
    margin: 15px auto;
    max-width:180px;
    font-size: 14px;
    line-height: 1;">
            <!--<span style="font-size:12px;">📍</span>-->
            <span>{$location}</span>
        <span style="opacity: 0.8;">|</span>
            <!--<span style="font-size:12px;">{$weatherIcon}</span>-->
            <span>{$weather}</span>
        <span style="opacity: 0.8;">|</span>
            <!--<span style="font-size:12px;">🌡️</span>-->
            <span>{$temperature}</span>
 
</div>
HTML;
    }
    
    /**
     * 获取天气图标
     */
    private static function getWeatherIcon($weather)
    {
        if (strpos($weather, '晴') !== false) return '☀️';
        if (strpos($weather, '多云') !== false) return '⛅';
        if (strpos($weather, '阴') !== false) return '☁️';
        if (strpos($weather, '雨') !== false) return '🌧️';
        if (strpos($weather, '雪') !== false) return '❄️';
        if (strpos($weather, '雷') !== false) return '⛈️';
        if (strpos($weather, '雾') !== false) return '🌫️';
        if (strpos($weather, '沙') !== false) return '🌪️';
        return '🌤️';
    }
    
    /**
     * 手动调用方法 - 主要使用这个
     */
    public static function show($cid = null)
    {
        if (!$cid) {
            $widget = Typecho_Widget::widget('Widget_Archive');
            if (!$widget->is('single')) return '';
            $cid = $widget->cid;
        }
        
        $weatherData = self::getWeatherData($cid);
        
        if ($weatherData && !empty($weatherData['location']) && !empty($weatherData['weather'])) {
            // 优先使用显示地点，如果为空则使用天气地点
            $displayLocation = !empty($weatherData['display_location']) 
                ? $weatherData['display_location'] 
                : $weatherData['location'];
            
            return self::generateWeatherHtml(
                $displayLocation, 
                $weatherData['weather'], 
                $weatherData['temperature']
            );
        }
        
        return '';
    }
}