移除可以与同一用户创建多个会话的特性

module/problem-import-syzoj/lib.js

@@ -4,7 +4,7 @@ const { download } = global.Hydro.lib;
 const { axios } = global.Hydro.lib;
 const { ValidationError, RemoteOnlineJudgeError } = global.Hydro.error;
 
-async function syzoj(url) {
+async function syzoj(url, handler) {
     const RE_SYZOJ = /https?:\/\/([a-zA-Z0-9.]+)\/problem\/([0-9]+)\/?/i;
     assert(url.match(RE_SYZOJ), new ValidationError('url'));
     if (!url.endsWith('/')) url += '/';
@@ -13,40 +13,59 @@ async function syzoj(url) {
     assert(res.status === 200, new RemoteOnlineJudgeError('Cannot connect to target server'));
     assert(res.data.success, new RemoteOnlineJudgeError((res.data.error || {}).message));
     const p = res.data.obj;
-    const content = [
-        this.translate('problem.import.problem_description'),
-        p.description,
-        this.translate('problem.import.input_format'),
-        p.input_format,
-        this.translate('problem.import.output_format'),
-        p.output_format,
-        this.translate('problem.import.hint'),
-        p.hint,
-        this.translate('problem.import.limit_and_hint'),
-        p.limit_and_hint,
-    ];
+    const content = [];
+    if (p.description) {
+        content.push(
+            handler.translate('problem.import.problem_description'),
+            p.description,
+        );
+    }
+    if (p.input_format) {
+        content.push(
+            handler.translate('problem.import.input_format'),
+            p.input_format,
+        );
+    }
+    if (p.output_format) {
+        content.push(
+            handler.translate('problem.import.output_format'),
+            p.output_format,
+        );
+    }
+    if (p.hint) {
+        content.push(
+            handler.translate('problem.import.hint'),
+            p.hint,
+        );
+    }
+    if (p.limit_and_hint) {
+        content.push(
+            handler.translate('problem.import.limit_and_hint'),
+            p.limit_and_hint,
+        );
+    }
     if (p.have_additional_file) {
         content.push(
-            this.translate('problem.import.additional_file'),
+            handler.translate('problem.import.additional_file'),
             `${url}download/additional_file`,
         );
     }
     const pdoc = {
         title: p.title,
         content: content.join('  \n'),
-        owner: this.user._id,
+        owner: handler.user._id,
         from: url,
         pid: `${host}_${pid}`,
+        tags: p.tags,
         config: {
             time: p.time_limit,
             memory: p.memory_limit * 1024,
             filename: p.file_io_input_name,
             type: p.type,
-            tags: p.tags,
         },
     };
     const r = await download(`${url}testdata/download`);
     return [pdoc, r];
 }
 
-global.Hydro.handler.import.ProblemImportHandler.from_syzoj = syzoj;
+global.Hydro.lib['import.syzoj'] = syzoj;

module/problem-import-syzoj/locale/zh_CN.yaml

@@ -1 +1,8 @@
-Import problem from syzoj.: 从运行 syzoj 系统的 OJ 导入题目。
+Import problem from syzoj.: 从运行 syzoj 系统的 OJ 导入题目。
+problem.import.problem_description: '## 题目描述'
+problem.import.input_format: '## 输入格式'
+problem.import.output_format: '## 输出格式'
+problem.import.hint: '## 提示'
+problem.import.limit_and_hint: '## 限制'
+problem.import.additional_file: '## 附加文件'
+import: 导入