导出医案接口优化

control/index.php

@@ -342,50 +342,29 @@ class index extends publicBase {
     public function export_user_case() {
         $uinfo = $this->_check_login();
 
-        //导出单个医案
         $id = $this->post('id') + 0;
-        if ($id > 0) {
-            $post_url = USER_CASE_HTML_URL;
-            $data = array(
-                "uid" => $uinfo['uid'],
-                "id" => $id,
-            );
-        }
-
-        //导出全部医案
-        if ($id == 0) {
         $start_date = $this->post('start_date');
         //if (empty($start_date)) $this->ajax_json(false, '请选择导出开始时间');
-
         $end_date = $this->post('end_date');
         //if (empty($end_date)) $this->ajax_json(false, '请选择导出结束时间');
 
-            $post_url = USER_CASE_LIST_HTML_URL;
-            $data = array(
-                "uid" => $uinfo['uid'],
-                "start_date" => $start_date,
-                "end_date" => $end_date,
-            );
-        }
-
         $m_user_case = new mUserCase();
-        $return = $m_user_case->postCUrl($post_url, $data);
-
-        $res = json_decode($return, 1);
-        if (isset($res['info'])) $this->ajax_json(false, '未查询到可导出的医案记录');
-
-        $pdf_name = md5($uinfo['uid'] . $id) . ".pdf";
-        $m_user_case->createPdf($uinfo['uid'], $pdf_name, $return);
+        $pdf_info = $m_user_case->getPdf($uinfo['uid'], $id, $start_date, $end_date);
 
         $email = $this->post('email');
         if (!empty($email)) {
-            if (!filter_var($email, FILTER_VALIDATE_EMAIL)) $this->ajax_json(false, '邮箱地址无效');
-            $res = $m_user_case->sendMail(array($email), date('Y年m月d日', time()) . '-医案导出', '', sprintf(USER_CASE_PDF_PATH, $uinfo['uid']) . $pdf_name);
-            if (!$res) $this->ajax_json(true, '发送失败');
+            //生成唯一id 防止重复请求
+            $request_id = md5($email . $pdf_info['pdf_path']);
+            $request_times = $m_user_case->requestLimit(sprintf(_QR_REQUEST_LIMIT, $request_id), 1, 7200);
+            if (!$request_times) $this->ajax_json(false, "医案记录已发送至您的邮箱，请查收邮件");
+
+            $res = $m_user_case->sendPdf($email, $pdf_info['pdf_path']);
+            if (!$res) $this->ajax_json(false, $m_user_case->getError());
+
             $this->ajax_json(true, '发送成功');
         }
 
-        $this->ajax_json(true, '获取成功', array('pdf_url' => sprintf(USER_CASE_PDF_URL, $uinfo['uid']) . $pdf_name));
+        $this->ajax_json(true, '获取成功', array('pdf_url' => $pdf_info['pdf_url']));
     }
 
     public function user_case_list() {

model/mUserCase.php

@@ -355,8 +355,50 @@ class mUserCase extends mBase {
         return $data;
     }
 
-    public function createPdf($uid, $pdf_name, $pdf_html) {
+    public function getPdf($uid, $id, $start_date = '', $end_date = '') {
+        $pdf_name = md5($uid . $id . $start_date . $end_date) . ".pdf";
         $temp_dir = sprintf(USER_CASE_PDF_PATH, $uid);
+        $temp_url = sprintf(USER_CASE_PDF_URL, $uid);
+
+        if (file_exists($temp_dir . $pdf_name)) {
+            return array(
+                'pdf_path' => $temp_dir . $pdf_name,
+                'pdf_url' => $temp_url . $pdf_name,
+            );
+        }
+
+        //导出单个医案
+        if ($id > 0) {
+            $post_url = USER_CASE_HTML_URL;
+            $data = array(
+                "uid" => $uid,
+                "id" => $id,
+            );
+        } else {
+            $post_url = USER_CASE_LIST_HTML_URL;
+            $data = array(
+                "uid" => $uid,
+                "start_date" => $start_date,
+                "end_date" => $end_date,
+            );
+        }
+
+        $return = $this->postCUrl($post_url, $data);
+        $res = json_decode($return, 1);
+        if (isset($res['info'])) {
+            $this->setError('抱歉，未找到可导出的医案记录');
+            return false;
+        }
+
+        $this->createPdf($temp_dir, $pdf_name, $return);
+
+        return array(
+            'pdf_path' => $temp_dir . $pdf_name,
+            'pdf_url' => $temp_url . $pdf_name,
+        );
+    }
+
+    public function createPdf($temp_dir, $pdf_name, $pdf_html) {
         if (!is_dir($temp_dir)) {
             mkdir($temp_dir, 0755, true);
             chown($temp_dir, 'nobody');
@@ -369,4 +411,17 @@ class mUserCase extends mBase {
 
         return $mpdf->Output($temp_dir . $pdf_name, 'F');  // D表示下载，I表示在浏览器中查看
     }
+
+    function sendPdf($email, $pdf_path) {
+        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
+            $this->setError('请填写合法的邮箱地址');
+            return false;
+        }
+        $res = $this->sendMail(array($email), date('Y年m月d日', time()) . '-医案导出', '', $pdf_path);
+        if (!$res) {
+            $this->setError('发送失败');
+            return false;
+        }
+        return true;
+    }
 }