Rock paper scissors game

src/commands/games/rockpaperscissors.js

@@ -0,0 +1,75 @@
+const { Command, CommandError, SwitchbladeEmbed, Constants } = require('../../')
+
+const handEmojis = ['✊', '✋', '✌']
+
+const objectEmojis = ['🪨', '📄', '✂️']
+
+module.exports = class RockPaperScissorsCommand extends Command {
+  constructor (client) {
+    super({
+      name: 'rockpaperscissors',
+      aliases: ['rps'],
+      category: 'games',
+      parameters: [{
+        type: 'string',
+        clean: true,
+        required: true,
+        whitelist: ['rock', 'r', 'paper', 'p', 'scissors', 's'],
+        missingError: 'commands:rockpaperscissors.noChoice'
+      },
+      {
+        type: 'number', min: 1, required: false
+      },
+      [{
+        type: 'booleanFlag', name: 'hand', aliases: ['h', 'hands']
+      }]]
+    }, client)
+  }
+
+  async run ({ t, author, channel, flags }, choice, betValue) {
+    console.log(betValue)
+    const embed = new SwitchbladeEmbed(author)
+    const emojis = flags.hand ? handEmojis : objectEmojis
+    const botSelected = ['r', 'p', 's'][Math.floor(Math.random() * 3)]
+    const botSelectedEmoji = this.getEmoji(botSelected, emojis)
+
+    const result = this.calculateResult(choice, botSelected)
+
+    if (betValue) {
+      const balance = await this.client.controllers.economy.balance(author.id)
+      if (betValue > balance) throw new CommandError(t('commands:rockpaperscissors.notEnoughMoney'))
+      embed.setDescription(t('commands:rockpaperscissors.bet.' + result, { count: betValue }))
+      if (result === 'win') {
+        await this.client.controllers.economy.give(author.id, betValue)
+      } else if (result === 'lose') {
+        await this.client.controllers.economy.take(author.id, betValue)
+      }
+    }
+
+    embed.setTitle(`${this.getEmoji(choice, emojis)} 🆚 ${botSelectedEmoji}`)
+    embed.setAuthor(t('commands:rockpaperscissors.' + result))
+    if (result !== 'draw') {
+      embed.setColor(
+        result === 'win' ? Constants.GENERIC_SUCCESS : Constants.GENERIC_FAILURE
+      )
+    }
+
+    channel.send(embed)
+  }
+
+  getEmoji (choice, emojis) {
+    const /* valve */index = ['r', 'p', 's'].indexOf(choice[0].toLowerCase())
+    return emojis[index]
+  }
+
+  // Calculates the result on the choice1's perspective
+  calculateResult (_choice1, _choice2) {
+    const choice1 = _choice1[0].toLowerCase()
+    const choice2 = _choice2[0].toLowerCase()
+
+    if (choice1 === choice2) return 'draw'
+    if (choice1 === 'r') return choice2 === 'p' ? 'lose' : 'win'
+    if (choice1 === 'p') return choice2 === 's' ? 'lose' : 'win'
+    if (choice1 === 's') return choice2 === 'r' ? 'lose' : 'win'
+  }
+}

src/controllers/EconomyController.js

@@ -96,4 +96,16 @@ module.exports = class EconomyController extends Controller {
 
     return { won, chosenSide }
   }
+
+  give (_user, amount) {
+    return this._users.update(_user, { $inc: { money: amount } })
+  }
+
+  async take (_user, amount) {
+    const balance = await this.balance(_user)
+
+    if (balance < amount) throw new Error('NOT_ENOUGH_MONEY')
+
+    return this._users.update(_user, { $inc: { money: -amount } })
+  }
 }

src/locales/en-US/commands.json

@@ -1960,5 +1960,19 @@
     "categoryObese1": "Obese Class I (Moderately obese)",
     "categoryObese2": "Obese Class II (Severely obese)",
     "categoryObese3": "Obese Class III (Very severely obese)"
+  },
+  "rockpaperscissors": {
+    "commandDescription": "Plays Rock Paper Scissors with the bot",
+    "commandUsage": "<rock, paper or scissors> [money to bet]",
+    "noChoice": "You have to give me your choice, either rock, paper or scissors",
+    "draw": "It's a draw!",
+    "win": "You win!",
+    "lose": "You lose!",
+    "notEnoughMoney": "You don't have this enough money to bet",
+    "bet": {
+      "draw": "You balance hasn't changed!",
+      "win": "Nice! You have won **$t(commons:currencyWithCount, { 'count': {{count}} })**",
+      "lose": "Whoops! You lose **$t(commons:currencyWithCount, { 'count': {{count}} })**"
+    }
   }
 }

src/utils/Constants.js

@@ -42,6 +42,9 @@ module.exports = {
   STEAM_COLOR: '#1b2838',
   MERRIAM_WEBSTER_COLOR: '#375c71',
 
+  GENERIC_SUCCESS: '#16f747',
+  GENERIC_FAILURE: '#e03d19',
+
   // Emojis
 
   // Common