Stats: Add stats command to show a users data

like cards owned, level progression and date registered

commands/stats.js

@@ -0,0 +1,45 @@
+const { SlashCommandBuilder, EmbedBuilder } = require('discord.js');
+const { UserUtils } = require('../util');
+
+module.exports = {
+    data: new SlashCommandBuilder()
+            .setName("stats")
+            .setDescription("View user Stats")
+            .addUserOption((option) =>
+                option
+                    .setName("user")
+                    .setDescription("View someone else's stats")
+                    .setRequired(false)
+                ),
+    async execute(interaction) {
+        await interaction.deferReply();
+        let discordUser = interaction.options.getUser("user") ? interaction.options.getUser("user") : interaction.member.user;
+        let user = await UserUtils.getUserByDiscordId(discordUser.id);
+        
+        let level = await user.level();
+        let registrationDate = new Date(user.createdAt).toLocaleString('en-GB', { timeZone: 'UTC' });
+        let userCards = await user.cards();
+
+        let qualityCount = Array(6).fill(0);
+        let qualities = ['Bad', 'Okay', 'Good', 'Great', 'Epic', 'Shiny'];
+        for (card of userCards.rows) {
+            qualityCount[card.quality-1]++;
+        }
+
+        for (let i = 0; i < qualities.length; i++) {
+            qualities[i] = `${qualities[i]}: ${qualityCount[i]}`;
+        }
+
+        let embed = new EmbedBuilder()
+            .setTitle(`${discordUser.username}'s Stats`)
+            .addFields(
+                { name: "Cards owned", value: `${qualities.join('\n')}\n${userCards.count} total`, inline: true },
+                { name: "Level", value: `${level.currentLevel}`, inline: true },
+                { name: "Progress", value: `${level.currentExperience} / ${level.nextLevelExperience}\n${level.remaining} XP remaining`, inline: true },
+                { name: "Registered since", value: `${registrationDate}`, inline: true }
+                )
+            .setColor(0x00FF00);        
+        await interaction.editReply({ embeds: [embed] });
+
+    }
+}

models/user.js

@@ -3,6 +3,8 @@ const {
   Model
 } = require('sequelize');
 
+const levelModifier = 0.5;
+
 module.exports = (sequelize, DataTypes) => {
   class User extends Model {
     /**
@@ -21,8 +23,23 @@ module.exports = (sequelize, DataTypes) => {
           experience: this.experience + parseInt(amount)
       });
     }
-    async getLevel() {
-      return Math.ceil(0.5 * Math.sqrt(this.experience));
+    level() {
+      let currentLevel = Math.ceil(levelModifier * Math.sqrt(this.experience));
+      let nextLevelExperience = Math.pow((currentLevel + 1) / levelModifier, 2);
+      let remaining = nextLevelExperience - this.experience;
+      return {
+          currentLevel: currentLevel,
+          currentExperience: this.experience,
+          nextLevelExperience: nextLevelExperience,
+          remaining: remaining
+      };
+    }
+    async cards() {
+      return await sequelize.models.Card.findAndCountAll({
+        where: {
+          userId: this.id
+        }
+      });
     }
     //instance methods
     async getCardsWithCharactersCounted() {