Add rating history.

libs/rating.js

@@ -73,5 +73,5 @@ function calculateDeltas(allContestants) {
 
 module.exports = function(allContestants) {
     const deltas = calculateDeltas(allContestants);
-    return allContestants.map((contestant, i) => ({ user: contestant.user, currentRating: contestant.currentRating + deltas[i] }));
+    return allContestants.map((contestant, i) => ({ user: contestant.user, rank: contestant.rank, currentRating: contestant.currentRating + deltas[i] }));
 }

models/rating_history.js

@@ -27,6 +27,7 @@ let model = db.define('rating_history', {
     rating_calculation_id: { type: Sequelize.INTEGER, primaryKey: true },
     user_id: { type: Sequelize.INTEGER, primaryKey: true },
     rating_after: { type: Sequelize.INTEGER },
+    rank: { type: Sequelize.INTEGER },
 }, {
         timestamps: false,
         tableName: 'rating_history',
@@ -42,11 +43,12 @@ let model = db.define('rating_history', {
 
 let Model = require('./common');
 class RatingHistory extends Model {
-    static async create(rating_calculation_id, user_id, rating) {
+    static async create(rating_calculation_id, user_id, rating, rank) {
         return RatingHistory.fromRecord(RatingHistory.model.build({
             rating_calculation_id: rating_calculation_id,
             user_id: user_id,
-            rating_after: rating
+            rating_after: rating,
+            rank: rank
         }));
     }
 

modules/admin.js

@@ -250,7 +250,7 @@ app.post('/admin/rating/add', async (req, res) => {
       const user = newRating[i].user;
       user.rating = newRating[i].currentRating;
       await user.save();
-      const newHistory = await RatingHistory.create(newcalc.id, user.id, user.rating);
+      const newHistory = await RatingHistory.create(newcalc.id, user.id, newRating[i].currentRating, newRating[i].rank);
       await newHistory.save();
     }
 

modules/user.js

@@ -20,6 +20,10 @@
 'use strict';
 
 let User = syzoj.model('user');
+const RatingCalculation = syzoj.model('rating_calculation');
+const RatingHistory = syzoj.model('rating_history');
+const Contest = syzoj.model('contest');
+const ContestPlayer = syzoj.model('contest_player');
 
 // Ranklist
 app.get('/ranklist', async (req, res) => {
@@ -103,9 +107,30 @@ app.get('/user/:id', async (req, res) => {
     await user.renderInformation();
     user.emailVisible = user.public_email || user.allowedEdit;
 
+    const ratingHistoryValues = await RatingHistory.query(null, { user_id: user.id }, [['rating_calculation_id', 'asc']]);
+    const ratingHistories = [{
+      name: "初始积分",
+      value: syzoj.config.default.user.rating,
+      delta: null,
+      rank: null
+    }];
+    ratingHistories.reverse();
+
+    for (const history of ratingHistoryValues) {
+      const contest = await Contest.fromId((await RatingCalculation.fromID(history.rating_calculation_id)).contest_id);
+      ratingHistories.push({
+        contestName: contest.title,
+        value: history.rating_after,
+        delta: history.rating_after - ratingHistories[ratingHistories.length - 1].value,
+        rank: history.rank,
+        participants: await ContestPlayer.count({ contest_id: contest.id })
+      });
+    }
+
     res.render('user', {
       show_user: user,
-      statistics: statistics
+      statistics: statistics,
+      ratingHistories: ratingHistories
     });
   } catch (e) {
     syzoj.log(e);

views/user.ejs

@@ -118,6 +118,36 @@
                         </div>
                     </div>
                 </div>
+                <div class="row">
+                    <div class="column">
+                        <h4 class="ui top attached block header">比赛</h4>
+                        <div class="ui bottom attached segment">
+                            <table class="ui very basic table">
+                                <thead>
+                                    <tr>
+                                        <th>比赛</th>
+                                        <th>名次</th>
+                                        <th>Rating</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <% for (const history of ratingHistories) { %>
+                                    <tr>
+                                        <td><%= history.contestName %></td>
+                                        <td><%= history.rank != null ? history.rank + " / " + history.participants : '' %></td>
+                                        <td><%= history.value %> 
+                                            <% if(history.delta != null) { %> 
+                                                <span class="<%= history.delta >= 0 ? 'red' : 'green' %>">
+                                                (<%= (history.delta < 0 ? '' : '+') + history.delta %>)
+                                            <% } %>
+                                        </td>
+                                    </tr>
+                                    <% } %>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
             </div>
         </div>
     </div>