Add contest

config-example.json

@@ -25,7 +25,9 @@
     "judge_state": 10,
     "ranklist": 20,
     "discussion": 10,
-    "article_comment": 10
+    "article_comment": 10,
+    "contest": 10,
+    "edit_contest_problem_list": 10
   },
   "languages": [
     "C++",

models/article-comment.js

@@ -33,7 +33,7 @@ let model = db.define('comment', {
   article_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: Article.model,
+      model: 'article',
       key: 'id'
     }
   },
@@ -41,7 +41,7 @@ let model = db.define('comment', {
   user_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: User.model,
+      model: 'user',
       key: 'id'
     }
   },

models/article.js

@@ -33,7 +33,7 @@ let model = db.define('article', {
   user_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: User.model,
+      model: 'user',
       key: 'id'
     }
   },

models/common.js

@@ -87,13 +87,19 @@ class Model {
     return this.model.count({ where: where });
   }
 
-  static async query(page, perpage, where, order) {
-    let records = await this.model.findAll({
-      offset: (page - 1) * perpage,
-      limit: perpage,
+  static async query(paginate, where, order) {
+    let options = {
       where: where,
       order: order
-    });
+    };
+    if (Array.isArray(paginate)) {
+      options.offset = paginate[0] - 1;
+      options.limit = paginate[1] - paginate[0] + 1;
+    } else if (paginate) {
+      options.offset = (paginate.currPage - 1) * paginate.perPage;
+      options.limit = paginate.perPage;
+    }
+    let records = await this.model.findAll(options);
     return records.mapAsync(record => (this.fromRecord(record)));
   }
 }

models/contest.js

@@ -0,0 +1,140 @@
+/*
+ *  This file is part of SYZOJ.
+ *
+ *  Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
+ *
+ *  SYZOJ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  SYZOJ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public
+ *  License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+let Sequelize = require('sequelize');
+let db = syzoj.db;
+
+let User = syzoj.model('user');
+let Problem = syzoj.model('problem');
+let ContestRanklist = syzoj.model('contest_ranklist');
+let ContestPlayer = syzoj.model('contest_player');
+
+let model = db.define('contest', {
+  id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },
+  title: { type: Sequelize.STRING(80) },
+  start_time: { type: Sequelize.INTEGER },
+  end_time: { type: Sequelize.INTEGER },
+
+  holder_id: {
+    type: Sequelize.INTEGER,
+    references: {
+      model: 'user',
+      key: 'id'
+    }
+  },
+
+  information: { type: Sequelize.TEXT },
+  problems: { type: Sequelize.TEXT },
+
+  ranklist_id: {
+    type: Sequelize.INTEGER,
+    references: {
+      model: 'contest_ranklist',
+      key: 'id'
+    }
+  }
+}, {
+  timestamps: false,
+  tableName: 'contest',
+  indexes: [
+    {
+      fields: ['holder_id'],
+    },
+    {
+      fields: ['ranklist_id'],
+    }
+  ]
+});
+
+let Model = require('./common');
+class Contest extends Model {
+  static async create(val) {
+    return Contest.fromRecord(Contest.model.build(Object.assign({
+      title: '',
+      start_time: 0,
+      end_time: 0,
+      holder: 0,
+      ranklist_id: 0
+    }, val)));
+  }
+
+  async loadRelationships() {
+    this.holder = await User.fromID(this.holder_id);
+    this.ranklist = await ContestRanklist.fromID(this.ranklist_id);
+  }
+
+  async isAllowedEditBy(user) {
+    return user && (user.is_admin || this.holder_id === user.id);
+  }
+
+  async isAllowedSeeResultBy(user) {
+    return (user && (user.is_admin || this.holder_id === user.id)) || !(await this.isRunning());
+  }
+
+  async getProblems() {
+    return this.problems.split('|').map(x => parseInt(x));
+  }
+
+  async setProblems(s) {
+    let a = [];
+    await s.split('|').forEachAsync(async x => {
+      let problem = await Problem.fromID(x);
+      if (!problem) return;
+      a.push(x);
+    });
+    this.problems = a.join('|');
+  }
+
+  async newSubmission(judge_state) {
+    let problems = await this.getProblems();
+    if (!problems.includes(judge_state.problem_id)) throw 'No such problem in contest.';
+
+    let player = await ContestPlayer.findInContest({
+      contest_id: this.id,
+      user_id: judge_state.user_id
+    });
+
+    if (!player) {
+      player = await ContestPlayer.create({
+        contest_id: this.id,
+        user_id: judge_state.user_id
+      });
+    }
+
+    await player.updateScore(judge_state);
+    await player.save();
+
+    await this.loadRelationships();
+    await this.ranklist.updatePlayer(player);
+    await this.ranklist.save();
+  }
+
+  async isRunning(now) {
+    if (!now) now = syzoj.utils.getCurrentTime();
+    return now >= this.start_time && now < this.end_time;
+  }
+
+  getModel() { return model; }
+}
+
+Contest.model = model;
+
+module.exports = Contest;

models/contest_player.js

@@ -0,0 +1,99 @@
+/*
+ *  This file is part of SYZOJ.
+ *
+ *  Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
+ *
+ *  SYZOJ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  SYZOJ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public
+ *  License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+let Sequelize = require('sequelize');
+let db = syzoj.db;
+
+let User = syzoj.model('user');
+let Problem = syzoj.model('problem');
+let Contest = syzoj.model('contest');
+
+let model = db.define('contest_player', {
+  id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },
+  contest_id: {
+    type: Sequelize.INTEGER,
+    references: {
+      model: 'contest',
+      key: 'id'
+    }
+  },
+  user_id: {
+    type: Sequelize.INTEGER,
+    references: {
+      model: 'user',
+      key: 'id'
+    }
+  },
+
+  score: { type: Sequelize.INTEGER },
+  score_details: { type: Sequelize.TEXT, json: true },
+  time_spent: { type: Sequelize.INTEGER }
+}, {
+  timestamps: false,
+  tableName: 'contest_player',
+  indexes: [
+    {
+      fields: ['contest_id'],
+    },
+    {
+      fields: ['user_id'],
+    }
+  ]
+});
+
+let Model = require('./common');
+class ContestPlayer extends Model {
+  static async create(val) {
+    return ContestPlayer.fromRecord(ContestPlayer.model.build(Object.assign({
+      contest_id: 0,
+      user_id: 0,
+      score: 0,
+      score_details: '{}',
+      time_spent: 0
+    }, val)));
+  }
+
+  static async findInContest(where) {
+    return ContestPlayer.findOne({ where: where });
+  }
+
+  async loadRelationships() {
+    this.user = await User.fromID(this.user_id);
+    this.contest = await Contest.fromID(this.contest_id);
+  }
+
+  async updateScore(judge_state) {
+    this.score_details[judge_state.problem_id] = {
+      score: judge_state.score,
+      judge_id: judge_state.id
+    };
+    this.score = 0;
+    for (let x in this.score_details) {
+      this.score += this.score_details[x].score;
+    }
+  }
+
+  getModel() { return model; }
+}
+
+ContestPlayer.model = model;
+
+module.exports = ContestPlayer;

models/contest_ranklist.js

@@ -0,0 +1,77 @@
+/*
+ *  This file is part of SYZOJ.
+ *
+ *  Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
+ *
+ *  SYZOJ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  SYZOJ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public
+ *  License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+let Sequelize = require('sequelize');
+let db = syzoj.db;
+
+let User = syzoj.model('user');
+let Problem = syzoj.model('problem');
+let ContestPlayer = syzoj.model('contest_player');
+
+let model = db.define('contest_ranklist', {
+  id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },
+  ranklist: { type: Sequelize.TEXT, json: true }
+}, {
+  timestamps: false,
+  tableName: 'contest_ranklist'
+});
+
+let Model = require('./common');
+class ContestRanklist extends Model {
+  static async create(val) {
+    return ContestRanklist.fromRecord(ContestRanklist.model.build(Object.assign({
+      ranklist: '{}'
+    }, val)));
+  }
+
+  async getPlayers() {
+    let a = [];
+    for (let i = 1; i <= this.ranklist.player_num; i++) {
+      a.push(await ContestPlayer.fromID(this.ranklist[i]));
+    }
+    return a;
+  }
+
+  async updatePlayer(player) {
+    let players = await this.getPlayers(), newPlayer = true;
+    for (let x of players) {
+      if (x.user_id === player.user_id) {
+        newPlayer = false;
+        break;
+      }
+    }
+
+    if (newPlayer) {
+      players.push(player);
+    }
+
+    players.sort((a, b) => b.score - a.score);
+
+    this.ranklist = { player_num: players.length };
+    for (let i = 0; i < players.length; i++) this.ranklist[i + 1] = players[i].id;
+  }
+
+  getModel() { return model; }
+}
+
+ContestRanklist.model = model;
+
+module.exports = ContestRanklist;

models/judge_state.js

@@ -24,6 +24,7 @@ let db = syzoj.db;
 
 let User = syzoj.model('user');
 let Problem = syzoj.model('problem');
+let Contest = syzoj.model('contest');
 
 let model = db.define('judge_state', {
   id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },
@@ -108,13 +109,28 @@ class JudgeState extends Model {
     if (user && (user.is_admin || user.id === this.problem.user_id)) return true;
     else if (this.type === 0) return true;
     else if (this.type === 1) {
-      // TODO: contest
-      return false;
+      let contest = await Contest.fromID(this.type_info);
+      if (await contest.isRunning()) {
+        return false;
+      } else {
+        return true;
+      }
     } else if (this.type === 2) return false;
   }
 
   async isAllowedSeeCodeBy(user) {
-    return this.isAllowedSeeResultBy(user);
+    await this.loadRelationships();
+
+    if (user && (user.is_admin || user.id === this.problem.user_id)) return true;
+    else if (this.type === 0) return true;
+    else if (this.type === 1) {
+      let contest = await Contest.fromID(this.type_info);
+      if (await contest.isRunning()) {
+        return user && this.user_id === user.id;
+      } else {
+        return true;
+      }
+    } else if (this.type === 2) return false;
   }
 
   async updateResult(result) {
@@ -131,6 +147,9 @@ class JudgeState extends Model {
       if (this.status === 'Accepted') this.problem.ac_num++;
       await this.user.save();
       await this.problem.save();
+    } else if (this.type === 1) {
+      let contest = await Contest.fromID(this.type_info);
+      await contest.newSubmission(this);
     }
   }
 

models/problem.js

@@ -32,7 +32,7 @@ let model = db.define('problem', {
   user_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: User.model,
+      model: 'user',
       key: 'id'
     }
   },
@@ -49,7 +49,7 @@ let model = db.define('problem', {
   testdata_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: TestData.model,
+      model: 'file',
       key: 'id'
     }
   },

models/waiting_judge.js

@@ -29,7 +29,7 @@ let model = db.define('waiting_judge', {
   judge_id: {
     type: Sequelize.INTEGER,
     references: {
-      model: JudgeState.model,
+      model: 'judge_state',
       key: 'id'
     }
   }

modules/api_v2.js

@@ -0,0 +1,52 @@
+/*
+ *  This file is part of SYZOJ.
+ *
+ *  Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
+ *
+ *  SYZOJ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  SYZOJ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public
+ *  License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+let Problem = syzoj.model('problem');
+
+app.get('/api/v2/search/problem/:keyword*?', async (req, res) => {
+  try {
+    let keyword = req.params.keyword || '';
+    let problems = await Problem.query(null, {
+      title: { like: `%${req.params.keyword}%` }
+    }, [['id', 'asc']]);
+
+    let result = [];
+
+    let id = parseInt(keyword);
+    if (id) {
+      let problemById = await Problem.fromID(parseInt(keyword));
+      if (problemById && await problemById.isAllowedUseBy(res.locals.user)) {
+        result.push(problemById);
+      }
+    }
+    await problems.forEachAsync(async problem => {
+      if (await problem.isAllowedUseBy(res.locals.user) && result.length < syzoj.config.page.edit_contest_problem_list && problem.id !== id) {
+        result.push(problem);
+      }
+    });
+
+    result = result.map(x => ({ name: `#${x.id}. ${x.title}`, value: x.id }));
+    res.send({ success: true, results: result });
+  } catch (e) {
+    syzoj.log(e);
+    res.send({ success: false });
+  }
+});

modules/contest.js

@@ -0,0 +1,226 @@
+/*
+ *  This file is part of SYZOJ.
+ *
+ *  Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
+ *
+ *  SYZOJ is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  SYZOJ is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public
+ *  License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+let Contest = syzoj.model('contest');
+let ContestRanklist = syzoj.model('contest_ranklist');
+let ContestPlayer = syzoj.model('contest_player');
+let Problem = syzoj.model('problem');
+let JudgeState = syzoj.model('judge_state');
+let User = syzoj.model('user');
+
+app.get('/contest', async (req, res) => {
+  try {
+    let paginate = syzoj.utils.paginate(Contest.count(), req.query.page, syzoj.config.page.contest);
+    let contests = await Contest.query(paginate);
+
+    await contests.forEachAsync(async x => x.information = await syzoj.utils.markdown(x.information));
+
+    res.render('contest_list', {
+      contests: contests,
+      paginate: paginate
+    })
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});
+
+app.get('/contest/:id/edit', async (req, res) => {
+  try {
+    if (!res.locals.user || !res.locals.user.is_admin) throw 'Permission denied.';
+
+    let contest_id = parseInt(req.params.id);
+    let contest = await Contest.fromID(contest_id);
+    if (!contest) {
+      contest = await Contest.create();
+    }
+
+    let problems = await contest.problems.split('|').mapAsync(async id => await Problem.fromID(id));
+
+    res.render('edit_contest', {
+      contest: contest,
+      problems: problems
+    });
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});
+
+app.post('/contest/:id/edit', async (req, res) => {
+  try {
+    if (!res.locals.user || !res.locals.user.is_admin) throw 'Permission denied.';
+
+    let contest_id = parseInt(req.params.id);
+    let contest = await Contest.fromID(contest_id);
+    if (!contest) {
+      contest = await Contest.create();
+
+      contest.holder_id = res.locals.user.id;
+
+      let ranklist = await ContestRanklist.create();
+      await ranklist.save();
+      contest.ranklist_id = ranklist.id;
+    }
+
+    contest.title = req.body.title;
+    if (!Array.isArray(req.body.problems)) req.body.problems = [req.body.problems];
+    contest.problems = req.body.problems.join('|');
+    contest.information = req.body.information;
+    contest.start_time = syzoj.utils.parseTime(req.body.start_time);
+    contest.end_time = syzoj.utils.parseTime(req.body.end_time);
+
+    await contest.save();
+
+    res.redirect(syzoj.utils.makeUrl(['contest', contest.id]));
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});
+
+app.get('/contest/:id', async (req, res) => {
+  try {
+    let contest_id = parseInt(req.params.id);
+
+    let contest = await Contest.fromID(contest_id);
+    if (!contest) throw 'No such contest.';
+
+    contest.allowedEdit = await contest.isAllowedEditBy(res.locals.user);
+    contest.running = await contest.isRunning();
+    contest.information = await syzoj.utils.markdown(contest.information);
+
+    let problems_id = await contest.getProblems();
+    let problems = await problems_id.mapAsync(async id => await Problem.fromID(id));
+
+    let player = null;
+
+    if (res.locals.user) {
+      player = await ContestPlayer.findInContest({
+        contest_id: contest.id,
+        user_id: res.locals.user.id
+      });
+    }
+
+    problems = problems.map(x => ({ problem: x, status: null, judge_id: null }));
+    if (player) {
+      for (let problem of problems) {
+        if (player.score_details[problem.problem.id]) {
+          if (await contest.isRunning()) {
+            problem.status = true;
+          } else {
+            let judge_state = await JudgeState.fromID(player.score_details[problem.problem.id].judge_id);
+            problem.status = judge_state.status;
+          }
+          problem.judge_id = player.score_details[problem.problem.id].judge_id;
+        } else {
+          if (contest.isRunning()) {
+            problem.status = false;
+          }
+        }
+      }
+    }
+
+    res.render('contest', {
+      contest: contest,
+      problems: problems
+    });
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});
+
+app.get('/contest/:id/ranklist', async (req, res) => {
+  try {
+    let contest_id = parseInt(req.params.id);
+    let contest = await Contest.fromID(contest_id);
+    if (!contest) throw 'No such contest.';
+
+    if (!await contest.isAllowedSeeResultBy(res.locals.user)) throw 'Permission denied';
+    
+    await contest.loadRelationships();
+
+    let players_id = [];
+    for (let i = 1; i <= contest.ranklist.ranklist.player_num; i++) players_id.push(contest.ranklist.ranklist[i]);
+
+    let ranklist = await players_id.mapAsync(async player_id => {
+      let player = await ContestPlayer.fromID(player_id);
+
+      let user = await User.fromID(player.user_id);
+
+      return {
+        user: user,
+        player: player
+      };
+    });
+
+    let problems_id = await contest.getProblems();
+    let problems = await problems_id.mapAsync(async id => await Problem.fromID(id));
+
+    res.render('contest_ranklist', {
+      contest: contest,
+      ranklist: ranklist,
+      problems: problems
+    });
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});
+
+app.get('/contest/:id/:pid', async (req, res) => {
+  try {
+    let contest_id = parseInt(req.params.id);
+    let contest = await Contest.fromID(contest_id);
+    if (!await contest.isRunning()) throw 'The contest has ended.'
+
+    let problems_id = await contest.getProblems();
+
+    let pid = parseInt(req.params.pid);
+    if (!pid || pid < 1 || pid > problems_id.length) throw 'No such problem.';
+
+    let problem_id = problems_id[pid - 1];
+    let problem = await Problem.fromID(problem_id);
+
+    await syzoj.utils.markdown(problem, [ 'description', 'input_format', 'output_format', 'example', 'limit_and_hint' ]);
+
+    res.render('contest_problem', {
+      contest: contest,
+      problem: problem
+    });
+  } catch (e) {
+    syzoj.log(e);
+    res.render('error', {
+      err: e
+    });
+  }
+});

modules/discussion.js

@@ -25,21 +25,14 @@ let User = syzoj.model('user');
 
 app.get('/discussion', async (req, res) => {
   try {
-    let page = parseInt(req.query.page);
-    if (!page || page < 1) page = 1;
-
-    let count = await Article.count();
-    let pageCnt = Math.ceil(count / syzoj.config.page.discussion);
-    if (page > pageCnt) page = pageCnt;
-
-    let articles = await Article.query(page, syzoj.config.page.discussion, null, [['public_time', 'asc']]);
+    let paginate = syzoj.utils.paginate(await Article.count(), req.query.page, syzoj.config.page.discussion);
+    let articles = await Article.query(paginate, null, [['public_time', 'asc']]);
 
     for (let article of articles) await article.loadRelationships();
 
     res.render('discussion', {
       articles: articles,
-      pageCnt: pageCnt,
-      page: page
+      paginate: paginate
     });
   } catch (e) {
     syzoj.log(e);
@@ -62,28 +55,20 @@ app.get('/article/:id', async (req, res) => {
 
     let where = { article_id: id };
 
-    let page = parseInt(req.query.page);
-    if (!page || page < 1) page = 1;
-    let count = await ArticleComment.count(where);
-    let pageCnt = Math.ceil(count / syzoj.config.page.article_comment);
-    if (page > pageCnt) page = pageCnt;
-
-    let comments = [];
-    if (count) {
-      comments = await ArticleComment.query(page, syzoj.config.page.article_comment, where, [['public_time', 'asc']]);
-
-      for (let comment of comments) {
-        comment.content = await syzoj.utils.markdown(comment.content);
-        comment.allowedEdit = await comment.isAllowedEditBy(res.locals.user);
-        await comment.loadRelationships();
-      }
+    let paginate = syzoj.utils.paginate(await ArticleComment.count(where), req.query.page, syzoj.config.page.article_comment);
+
+    let comments = await ArticleComment.query(paginate, where, [['public_time', 'asc']]);
+
+    for (let comment of comments) {
+      comment.content = await syzoj.utils.markdown(comment.content);
+      comment.allowedEdit = await comment.isAllowedEditBy(res.locals.user);
+      await comment.loadRelationships();
     }
 
     res.render('article', {
       article: article,
       comments: comments,
-      pageCnt: pageCnt,
-      page: page
+      paginate: paginate
     });
   } catch (e) {
     syzoj.log(e);

modules/index.js

@@ -25,7 +25,7 @@ let Divine = require('syzoj-divine');
 
 app.get('/', async (req, res) => {
   try {
-    let ranklist = await User.query(1, 10, { is_show: true }, [['ac_num', 'desc']]);
+    let ranklist = await User.query([1, 10], { is_show: true }, [['ac_num', 'desc']]);
     await ranklist.forEachAsync(async x => x.renderInformation());
 
     let notices = await syzoj.config.notices.mapAsync(async notice => {

modules/judge.js

@@ -24,28 +24,20 @@ let User = syzoj.model('user');
 
 app.get('/judge_state', async (req, res) => {
   try {
-    let page = parseInt(req.query.page);
-    if (!page || page < 1) page = 1;
-
     let user = await User.fromName(req.query.submitter || '');
     let where = {};
     if (user) where.user_id = user.id;
     if (req.query.problem_id) where.problem_id = parseInt(req.query.problem_id);
 
-    let count = await JudgeState.count(where);
-
-    let pageCnt = Math.ceil(count / syzoj.config.page.judge_state);
-    if (page > pageCnt) page = pageCnt;
-
-    let judge_state = await JudgeState.query(page, syzoj.config.page.judge_state, where, [['submit_time', 'desc']]);
+    let paginate = syzoj.utils.paginate(await JudgeState.count(where), req.query.page, syzoj.config.page.judge_state);
+    let judge_state = await JudgeState.query(paginate, where, [['submit_time', 'desc']]);
 
     await judge_state.forEachAsync(async obj => obj.hidden = !(await obj.isAllowedSeeResultBy(res.locals.user)));
     await judge_state.forEachAsync(async obj => obj.allowedSeeCode = await obj.isAllowedSeeCodeBy(res.locals.user));
 
     res.render('judge_state', {
       judge_state: judge_state,
-      pageCnt: pageCnt,
-      page: page,
+      paginate: paginate,
       form: {
         submitter: req.query.submitter || '',
         problem_id: req.query.problem_id || ''
@@ -64,10 +56,10 @@ app.get('/judge_detail/:id', async (req, res) => {
     let id = parseInt(req.params.id);
     let judge = await JudgeState.fromID(id);
 
-    if (!await judge.isAllowedSeeCodeBy(res.locals.user)) throw 'Permission denied';
-
     judge.code = await syzoj.utils.highlight(judge.code, judge.language);
     if (judge.result.compiler_output) judge.result.compiler_output = syzoj.utils.ansiToHTML(judge.result.compiler_output);
+    judge.allowedSeeResult = await judge.isAllowedSeeResultBy(res.locals.user);
+    judge.allowedSeeCode = await judge.isAllowedSeeCodeBy(res.locals.user);
 
     res.render('judge_detail', {
       judge: judge

modules/problem.js

@@ -22,17 +22,12 @@
 let Problem = syzoj.model('problem');
 let JudgeState = syzoj.model('judge_state');
 let WaitingJudge = syzoj.model('waiting_judge');
+let Contest = syzoj.model('contest');
 
 app.get('/problem', async (req, res) => {
   try {
-    let page = parseInt(req.query.page);
-    if (!page || page < 1) page = 1;
-
-    let count = await Problem.count();
-    let pageCnt = Math.ceil(count / syzoj.config.page.problem);
-    if (page > pageCnt) page = pageCnt;
-
-    let problems = await Problem.query(page, syzoj.config.page.problem);
+    let paginate = syzoj.utils.paginate(await Problem.count(), req.query.page, syzoj.config.page.problem);
+    let problems = await Problem.query(paginate);
 
     await problems.forEachAsync(async problem => {
       problem.allowedEdit = await problem.isAllowedEditBy(res.locals.user);
@@ -41,8 +36,7 @@ app.get('/problem', async (req, res) => {
 
     res.render('problem_set', {
       problems: problems,
-      pageCnt: pageCnt,
-      page: page
+      paginate: paginate
     });
   } catch (e) {
     syzoj.log(e);
@@ -221,11 +215,25 @@ app.post('/submit/:id', async (req, res) => {
       code: req.body.code,
       language: req.body.language,
       user_id: res.locals.user.id,
-      problem_id: req.params.id,
-      type: problem.is_public ? 0 : 2
+      problem_id: req.params.id
     });
 
-    await judge_state.save();
+    let contest_id = parseInt(req.query.contest_id);
+    if (contest_id) {
+      let contest = await Contest.fromID(contest_id);
+      if (!contest) throw 'No such contest.';
+      let problems_id = await contest.getProblems();
+      if (!problems_id.includes(id)) throw 'No such problem.';
+
+      judge_state.type = 1;
+      judge_state.type_info = contest_id;
+
+      await judge_state.save();
+      await judge_state.updateRelatedInfo();
+    } else {
+      judge_state.type = problem.is_public ? 0 : 2;
+      await judge_state.save();
+    }
 
     let waiting_judge = await WaitingJudge.create({
       judge_id: judge_state.id

modules/user.js

@@ -24,23 +24,13 @@ let User = syzoj.model('user');
 // Ranklist
 app.get('/ranklist', async (req, res) => {
   try {
-    let page = parseInt(req.query.page);
-    if (!page || page < 1) page = 1;
-
-    let count = await User.count({
-      is_show: true
-    });
-
-    let pageCnt = Math.ceil(count / syzoj.config.page.ranklist);
-    if (page > pageCnt) page = pageCnt;
-
-    let ranklist = await User.query(page, syzoj.config.page.ranklist, { is_show: true }, [['ac_num', 'desc']]);
+    let paginate = syzoj.utils.paginate(await User.count({ is_show: true }), req.query.page, syzoj.config.page.ranklist);
+    let ranklist = await User.query(paginate, { is_show: true }, [['ac_num', 'desc']]);
     await ranklist.forEachAsync(async x => x.renderInformation());
 
     res.render('ranklist', {
       ranklist: ranklist,
-      pageCnt: pageCnt,
-      page: page
+      paginate: paginate
     });
   } catch (e) {
     console.log(e);
@@ -98,6 +88,7 @@ app.get('/user/:id', async (req, res) => {
     let user = await User.fromID(id);
     user.ac_problems = await user.getACProblems();
     user.articles = await user.getArticles();
+    user.allowedEdit = await user.isAllowedEditBy(res.locals.user);
 
     res.render('user', {
       show_user: user

utility.js

@@ -78,10 +78,9 @@ module.exports = {
             resolve(replaceUI(s));
         });
       } else {
-        let res = obj, cnt = 0;
+        let res = obj, cnt = keys.length;
         for (let key of keys) {
           if (res[key].trim()) {
-            cnt++;
             renderer(res[key], (s) => {
               res[key] = replaceUI(s);
               if (!--cnt) resolve(res);
@@ -96,6 +95,9 @@ module.exports = {
     m.locale('zh-cn');
     return m.format(format || 'L H:mm:ss');
   },
+  parseTime(s) {
+    return parseInt(+new Date(s) / 1000);
+  },
   getCurrentTime() {
     return parseInt(+new Date / 1000);
   },
@@ -151,5 +153,21 @@ module.exports = {
     let Convert = require('ansi-to-html');
     let convert = new Convert({ escapeXML: true });
     return convert.toHtml(s);
+  },
+  paginate(count, currPage, perPage) {
+    currPage = parseInt(currPage);
+    if (!currPage || currPage < 1) currPage = 1;
+
+    let pageCnt = Math.ceil(count / perPage);
+    if (currPage > pageCnt) currPage = pageCnt;
+
+    return {
+      currPage: currPage,
+      perPage: perPage,
+      pageCnt: pageCnt
+    };
+  },
+  removeTitleTag(s) {
+    return s.replace(/「[\S\s]+?」/, '');
   }
 };

views/contest.ejs

@@ -0,0 +1,69 @@
+<% this.title = contest.title + ' - 比赛' %>
+<% include header %>
+<div class="padding">
+  <h1 style="margin-bottom: 30px; "><%= contest.title %></h1>
+  <div class="ui grid">
+  <% if (contest.allowedEdit || !contest.running) { %>
+    <div class="row">
+      <div class="column">
+        <div class="ui buttons">
+          <a class="ui small positive button" href="<%= syzoj.utils.makeUrl(['contest', contest.id, 'ranklist']) %>">排行榜</a>
+    <% if (contest.allowedEdit) { %>
+          <a class="ui small button" href="<%= syzoj.utils.makeUrl(['contest', contest.id, 'edit']) %>">编辑比赛</a>
+    <% } %>
+        </div>
+      </div>
+    </div>
+  <% } %>
+    <div class="row">
+      <div class="column">
+        <h4 class="ui top attached block header">描述</h4>
+        <div class="ui bottom attached segment">
+          <%- contest.information %>
+        </div>
+      </div>
+    </div>
+    <div class="row">
+      <div class="column">
+         <table class="ui selectable celled table">
+            <thead>
+              <tr>
+                <th class="one wide" style="text-align: center">状态</th>
+                <th class="fourteen wide">题目</th>
+                <th class="one wide" style="text-align: center">代码</th>
+              </tr>
+            </thead>
+            <tbody>
+              <%
+              let i = 0;
+              for (let problem of problems) {
+                i++;
+              %>
+              <tr>
+                <td class="center aligned" style="white-space: nowrap; ">
+                <% if (problem.judge_id) { %>
+                  <a href="<%= syzoj.utils.makeUrl(['judge_detail', problem.judge_id]) %>">
+                  <% if (problem.status === true) { %>
+                  <i class="black checkmark icon"></i>
+                  <% } else if (problem.status !== false) { %>
+                    <span class="status <%= problem.status.toLowerCase().split(' ').join('_') %>">
+                      <%= problem.status %>
+                    </span>
+                  <% } %>
+                <% } %>
+                </td>
+                <td><a href="<%= syzoj.utils.makeUrl(['contest', contest.id, i]) %>"><%= syzoj.utils.removeTitleTag(problem.problem.title) %></a></td>
+                <td class="center aligned">
+                <% if (problem.judge_id) { %>
+                <a href="<%= syzoj.utils.makeUrl(['judge_detail', problem.judge_id]) %>"><i style="color: #000;" class="code icon"></i></a>
+                <% } %>
+                </td>
+              </tr>
+            <% } %>
+            </tbody>
+        </table>
+      </div>
+    </div>
+  </div>
+</div>
+<% include footer %>

views/contest_list.ejs

@@ -0,0 +1,48 @@
+<% this.title = '比赛' %>
+<% include header %>
+<div class="padding">
+    <% if (user && user.is_admin) { %>
+    <div class="ui grid">
+      <div class="row">
+        <div class="column">
+          <a href="<%= syzoj.utils.makeUrl(['contest', 0, 'edit']) %>" class="ui mini right floated button">添加比赛</a>
+        </div>
+      </div>
+    </div>
+    <% } %>
+    <table class="ui very basic center aligned table">
+      <thead>
+        <tr>
+          <th>比赛名称</th>
+          <th>开始时间</th>
+          <th>结束时间</th>
+          <th>描述</th>
+        </tr>
+      </thead>
+      <tbody>
+        <%
+        for (let contest of contests) {
+          let now = syzoj.utils.getCurrentTime();
+          let tag = '';
+        %>
+        <tr>
+          <% if (now < contest.start_time) { %>
+            <% tag = '<span class="ui header"><div class="ui mini grey label">未开始</div></span>' %>
+          <% } else if (now >= contest.start_time && now < contest.end_time) { %>
+            <% tag = '<span class="ui header"><div class="ui mini green label">进行中</div></span>' %>
+          <% } else { %>
+            <% tag = '<span class="ui header"><div class="ui mini red label">已结束</div></span>' %>
+          <% } %>
+
+          <td><a href="<%= syzoj.utils.makeUrl(['contest', contest.id]) %>"><%= contest.title %> <%- tag %></a></td>
+          <td><%= syzoj.utils.formatDate(contest.start_time) %></td>
+          <td><%= syzoj.utils.formatDate(contest.end_time) %></td>
+          <td><%- contest.information %></td>
+        </tr>
+        <% } %>
+      </tbody>
+    </table>
+  <br>
+  <% include page %>
+</div>
+<% include footer %>

views/contest_problem.ejs

@@ -0,0 +1,81 @@
+<% this.title = syzoj.utils.removeTitleTag(problem.title) + ' - ' + contest.title + ' - 比赛' %>
+<% include header %>
+    <div class="ui center aligned grid">
+        <div class="row">
+          <h1><%= syzoj.utils.removeTitleTag(problem.title) %></h1>
+        </div>
+        <div class="row" style="margin-top: -15px">
+          <span class="ui label">内存限制: <%= problem.memory_limit %> MiB</span>
+          <span class="ui label">时间限制: <%= problem.time_limit %> ms</span>
+        </div>
+        <div class="row" style="margin-top: -23px">
+          <% if (problem.file_io) { %>
+          <span class="ui label">输入文件: <%= problem.file_io_input_name %></span>
+          <span class="ui label">输出文件: <%= problem.file_io_output_name %></span>
+          <% } else { %>
+          <span class="ui label">标准输入输出</span>
+          <% } %>
+        </div>
+    </div>
+<div class="ui grid">
+  <div class="row">
+    <div class="column">
+      <div class="ui buttons">
+        <a href="#submit_form" class="ui primary button">提交</a>
+        <a href="<%= syzoj.utils.makeUrl(['contest', contest.id]) %>" class="ui positive button">返回比赛</a>
+      </div>
+    </div>
+  </div>
+  <div class="row">
+    <div class="column">
+      <h4 class="ui top attached block header">题目描述</h4>
+      <div class="ui bottom attached segment" id="description"><%- problem.description %></div>
+    </div>
+  </div>
+  <div class="row">
+    <div class="column">
+        <h4 class="ui top attached block header">输入格式</h4>
+        <div class="ui bottom attached segment" id="input"><%- problem.input_format %></div>
+    </div>
+  </div>
+    <div class="row">
+        <div class="column">
+          <h4 class="ui top attached block header">输出格式</h4>
+          <div class="ui bottom attached segment" id="output"><%- problem.output_format %></div>
+        </div>
+    </div>
+    <div class="row">
+        <div class="column">
+          <h4 class="ui top attached block header">测试样例</h4>
+          <div class="ui bottom attached segment" id="example"><%- problem.example %></div>
+        </div>
+    </div>
+    <div class="row">
+        <div class="column">
+          <h4 class="ui top attached block header">数据范围与提示</h4>
+          <div class="ui bottom attached segment" id="hint"><%- problem.limit_and_hint %></div>
+        </div>
+    </div>
+</div>
+
+<h2 class="ui header">提交代码</h2>
+<form id="submit_form" class="ui form" action="<%= syzoj.utils.makeUrl(['submit', problem.id], { contest_id: contest.id }) %>" method="post">
+   <div class="field">
+   <label for="doc-select-1">选择语言</label>
+   <select class="ui fluid dropdown" name="language" id="doc-select-1">
+     <% for (lang of syzoj.config.languages) { %>
+         <option value="<%= lang %>"><%= lang %></option>
+     <% } %>
+   </select>
+   </div>
+   <div class="field">
+      <textarea rows="15" name="code" style="font-family: 'Roboto Mono', 'Bitstream Vera Sans Mono', 'Menlo', 'Consolas', 'Lucida Console', monospace; "></textarea>
+   </div>
+   <button type="submit" class="ui button">提交</button>
+</form>
+<script>
+$(function () {
+    $('.ui.dropdown').dropdown();
+});
+</script>
+<% include footer %>

views/contest_ranklist.ejs

@@ -0,0 +1,63 @@
+<%= this.title = '排名 - ' + contest.title %>
+<% include header %>
+<div class="padding">
+        <table class="ui very basic center aligned table">
+            <thead>
+            <tr>
+                <th>#</th>
+                <th>用户名</th>
+                <% for (let problem of problems) { %>
+                <th><a href="<%= syzoj.utils.makeUrl(['problem', problem.id]) %>">
+                  <%= syzoj.utils.removeTitleTag(problem.title) %>
+                </a></th>
+                <% } %>
+                <th>总分</th>
+            </tr>
+            </thead>
+            <tbody>
+            <%
+            let i = 0;
+            for (let item of ranklist) {
+              i++
+            %>
+            <tr>
+                <td>
+                  <% if (i == 1) { %>
+                    <div class="ui yellow ribbon label">
+                  <% } else if (i == 2) { %>
+                    <div class="ui ribbon label">
+                  <% } else if (i == 3) { %>
+                    <div class="ui brown ribbon label" style="background-color: #C47222 !important;">
+                  <% } else { %>
+                    <div>
+                  <% } %>
+                  <%= i %>
+                  </div>
+                </td>
+                <td><a href="<%= syzoj.utils.makeUrl(['user', item.user.id]) %>"><%= item.user.username %></a>
+                <% if (item.user.nameplate) { %>
+                  <%= item.user.nameplate %>
+                <% } %>
+                </td>
+                <% for (let problem of problems) { %>
+                <% if (item.player.score_details[problem.id]) { %>
+                <td><a href="<%= syzoj.utils.makeUrl(['judge_detail', item.player.score_details[problem.id].judge_id]) %>">
+                <span class="score score_<%= parseInt((item.player.score_details[problem.id].score / 10) || 0) %>">
+                  <%= item.player.score_details[problem.id].score %>
+                </span>
+                </a></td>
+                <% } else { %>
+                <td></td>
+                <% } %>
+                <% } %>
+                <td>
+                  <span class="score score_<%= parseInt((item.player.score / ranklist[0].player.score * 10) || 0) %>">
+                    <%= item.player.score %>
+                  </span>
+                </td>
+            </tr>
+            <% } %>
+            </tbody>
+        </table>
+</div>
+<% include footer %>

views/edit_contest.ejs

@@ -0,0 +1,50 @@
+<% this.title = contest.id ? '编辑比赛' : '新建比赛' %>
+<% include header %>
+<div class="padding">
+        <form class="ui form" action="<%= syzoj.utils.makeUrl(['contest', contest.id, 'edit']) %>" method="post">
+            <div class="field">
+                <label>比赛名称</label>
+                <input type="text" name="title" value="<%= contest.title %>">
+            </div>
+            <div class="field">
+                <label>试题列表</label>
+                <select class="ui fluid search dropdown" multiple="" id="search_problems" name="problems">
+                <% for (let problem of problems) { %>
+                <option value="<%= problem.id %>" selected>#<%= problem.id %>. <%= problem.title %></option>
+                <% } %>
+                </select>
+            </div>
+            <div class="field">
+                <label>比赛介绍</label>
+                <textarea class="" rows="5" id="doc-ta-1" name="information"><%= contest.information %></textarea>
+            </div>
+            <div class="field">
+                <label>开始时间</label>
+                <input type="text" name="start_time" value="<%= syzoj.utils.formatDate(contest.start_time || syzoj.utils.getCurrentTime()) %>">
+            </div>
+            <div class="field">
+                <label>结束时间</label>
+                <input type="text" name="end_time" value="<%= syzoj.utils.formatDate(contest.end_time || syzoj.utils.getCurrentTime()) %>">
+            </div>
+            <button type="submit" class="ui button">提交</button>
+        </form>
+<script>
+$(function () {
+  $('#search_problems')
+    .dropdown({
+      debug: true,
+      apiSettings: {
+        url: '/api/v2/search/problem/{query}',
+        onResponse: function (response) {
+          var a = $('#search_problems').val().map(x => parseInt(x));
+          if (response.results) {
+            response.results = response.results.filter(x => !a.includes(parseInt(x.value)));
+          }
+          return response;
+        },
+        cache: false
+      }
+    });
+});
+</script>
+<% include footer %>

views/header.ejs

@@ -17,6 +17,7 @@
             <a class="header item" href="/"><span style="font-family: Raleway; font-size: 1.5em; font-weight: 500; "><%= syzoj.config.title %></span></a>
             <a class="item<% if (active === '') { %> active<% } %>" href="/"><i class="home icon"></i> 首页</a>
             <a class="item<% if (active === 'problem') { %> active<% } %>" href="/problem"><i class="list icon"></i> 题库</a>
+            <a class="item<% if (active === 'contest') { %> active<% } %>" href="/contest"><i class="calendar icon"></i> 比赛</a>
             <a class="item<% if (active.startsWith('judge')) { %> active<% } %>" href="/judge_state"><i class="tasks icon"></i> 评测</a>
             <a class="item<% if (active === 'ranklist') { %> active<% } %>" href="/ranklist"><i class="signal icon"></i> 排名</a>
             <a class="item<% if (active === 'discussion' || active === 'article') { %> active<% } %>" href="/discussion"><i class="comments icon"></i> 讨论</a>

views/judge_detail.ejs

@@ -17,19 +17,27 @@
        <tr>
         <td>#<%= judge.id %></td>
         <td><a href="<%= syzoj.utils.makeUrl(['problem', judge.problem_id]) %>">#<%= judge.problem_id %>. <%= judge.problem.title %></a></td>
-        <td class="status <%= judge.result.status.toLowerCase().split(' ').join('_') %>"><%= judge.result.status %></td>
-        <td class="score score_<%= parseInt(judge.result.score / 10) || 0 %>"><%= judge.result.score %></td>
+        <% if (judge.allowedSeeResult) { %>
+          <td class="status <%= judge.result.status.toLowerCase().split(' ').join('_') %>"><%= judge.result.status %></td>
+          <td class="score score_<%= parseInt(judge.result.score / 10) || 0 %>"><%= judge.result.score %></td>
         <td><%= judge.result.total_time %></td>
+        <% } else { %>
+          <td>隐藏</td>
+          <td>隐藏</td>
+          <td>隐藏</td>
+        <% } %>
         <td><a href="<%= syzoj.utils.makeUrl(['user', judge.user_id]) %>"><%= judge.user.username %></a></td>
         <td><%= syzoj.utils.formatDate(judge.submit_time) %></td>
        </tr>
      </tbody>
   </table>
+  <% if (judge.allowedSeeCode) { %>
     <div class="ui existing segment"><pre style="margin-top: 0; margin-bottom: 0; "><code><%- judge.code %></code></pre></div>
-<% if (judge.result.compiler_output && judge.result.status === 'Compile Error') { %>
+  <% } %>
+<% if (judge.result.compiler_output && judge.result.status === 'Compile Error' && judge.allowedSeeCode) { %>
   <h3 class="ui header">编译信息</h3>
   <div class="ui existing segment"><pre style="margin-top: 0; margin-bottom: 0; "><code><%- judge.result.compiler_output %></code></pre></div>
-<% } else { %>
+<% } else if (judge.allowedSeeResult) { %>
 <div class="ui styled fluid accordion">
   <% for (let i = 0; i < judge.result.case_num; i++) { %>
   <% let testcase = judge.result[i]; %>
@@ -56,7 +64,7 @@
   <% } %>
 </div>
 <% } %>
- 
+
 <script>
 $(function() {
   $('.ui.accordion').accordion();

views/page.ejs

@@ -1,11 +1,11 @@
-<% if (pageCnt) { %>
+<% if (paginate.pageCnt) { %>
 <div class="ui center aligned grid">
     <div class="ui buttons">
-        <a class="ui<% if (page === 1) { %> disabled<% } %> button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: page - 1 })) %>">
+        <a class="ui<% if (paginate.currPage === 1) { %> disabled<% } %> button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: paginate.currPage - 1 })) %>">
             <i class="left chevron icon"></i>
         </a>
         <%
-        let leftCnt = page - 1, rightCnt = pageCnt - page, omitLeft = leftCnt > 4, omitRight = rightCnt > 4;
+        let leftCnt = paginate.currPage - 1, rightCnt = paginate.pageCnt - paginate.currPage, omitLeft = leftCnt > 4, omitRight = rightCnt > 4;
         if (omitLeft) leftCnt = 3;
         if (omitRight) rightCnt = 3;
         if (omitLeft) {
@@ -13,13 +13,13 @@
         <li><span>...</span></li>
         <%
         }
-        for (let i = page - leftCnt; i < page; i++) { %>
+        for (let i = paginate.currPage - leftCnt; i < paginate.currPage; i++) { %>
             <a class="ui button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: i })) %>"><%= i %></a>
         <%
         }
         %>
-        <a class="ui primary button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: page })) %>"><%= page %></a>
-        <% for (let i = page + 1; i <= page + rightCnt; i++) { %>
+        <a class="ui primary button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: paginate.currPage })) %>"><%= paginate.currPage %></a>
+        <% for (let i = paginate.currPage + 1; i <= paginate.currPage + rightCnt; i++) { %>
           <a class="ui button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: i })) %>"><%= i %></a>
         <%
         }
@@ -27,7 +27,7 @@
         %>
         <li><span>...</span></li>
         <% } %>
-        <a class="ui<% if (page === pageCnt) { %> disabled<% } %> button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: page + 1 })) %>">
+        <a class="ui<% if (paginate.currPage === paginate.pageCnt) { %> disabled<% } %> button" href="<%= syzoj.utils.makeUrl(req, Object.assign(req.query, { page: paginate.currPage + 1 })) %>">
             <i class="right chevron icon"></i>
         </a>
     </div>

views/ranklist.ejs

@@ -18,7 +18,7 @@
 	        </thead>
 	        <tbody>
 	        <%
-            let i = (page - 1) * syzoj.config.page.ranklist;
+            let i = (paginate.currPage - 1) * paginate.perPage;
             for (let user of ranklist) {
               ++i;
             %>