Ludopatico

.prettierrc

@@ -0,0 +1,13 @@
+{
+  "tabWidth": 2,
+  "arrowParens": "always",
+  "bracketSameLine": false,
+  "bracketSpacing": true,
+  "endOfLine": "crlf",
+  "htmlWhitespaceSensitivity": "ignore",
+  "semi": true,
+  "singleQuote": false,
+  "trailingComma": "none",
+  "useTabs": false,
+  "requirePragma": false
+}

README.md

@@ -59,6 +59,8 @@ asked to "send a list of commands for your bot". Consider using this one:
 > noncercogruppo - Smetti di cercare un gruppo di progetto
 >
 > registrate - Lezioni registrate su OneDrive
+
+> ludopatico - Tenta la fortuna
 >
 > scelta - Elenchi esami a scelta
 >
@@ -144,6 +146,10 @@ in the `template` attribute with the elements of a different array from the
 The bot replies listing each command-description pair. If a command has no
 description, it is not listed.
 
+#### `luck`
+
+Tests your luck.
+
 #### `alias`
 
 These commands are just aliases for others. The `command` attribute specifies

json/actions.json

@@ -118,6 +118,10 @@
     "chatError": "Questo comando è riservato alle chat dei gruppi degli insegnamenti.",
     "notFoundError": "Neanche prima cercavi gruppi in \"{0}\"."
   },
+  "ludopatico": {
+    "type": "luck",
+    "description": "Tenta la fortuna"
+  },
   "registrate": {
     "type": "message",
     "description": "Lezioni registrate su OneDrive",

src/bot.js

@@ -12,9 +12,9 @@ function onMessage(bot, msg) {
   if (!msg.text) return; // no text
   const text = msg.text.toString();
   if (text[0] !== "/") {
-    Object.entries(data.autoreply).forEach(([regexp,value]) => {
-      const indexOfAt = text.search(new RegExp(regexp,"i")); //case insensitive search
-      if(indexOfAt != -1) message(bot, msg, value);
+    Object.entries(data.autoreply).forEach(([regexp, value]) => {
+      const indexOfAt = text.search(new RegExp(regexp, "i")); //case insensitive search
+      if (indexOfAt != -1) message(bot, msg, value);
     });
     return; // no command
   }

src/commands/basics.js

@@ -1,5 +1,6 @@
 const { data } = require("../jsons"),
   { format } = require("../util"),
+  { randomInt } = require("crypto"),
   TelegramBot = require("node-telegram-bot-api");
 
 /**
@@ -13,9 +14,31 @@ function message(bot, msg, text) {
     .sendMessage(msg.chat.id, text, data.settings.messageOptions)
     .catch((e) => console.error(e.stack));
 }
-
 module.exports.message = message;
 
+/**
+ * Sends a dice message.
+ * @param {TelegramBot} bot The bot that should send the message.
+ * @param {TelegramBot.Message} msg The message that triggered this action.
+ * @param {'🎲'|'🎯'|'🏀'|'⚽'|'🎳'|'🎰'} [emoji] The emoji that should be sent, must be one of:
+ */
+function dice(bot, msg, emoji) {
+  if (!emoji) {
+    const emojis = ["🎲", "🎯", "🏀", "⚽", "🎳", "🎰"];
+    // Don't send last sent emoji
+    while (emoji === this.last) emoji = emojis[randomInt(emojis.length)];
+  }
+  this.last = emoji;
+  bot
+    .sendDice(msg.chat.id, {
+      allow_sending_without_reply: true,
+      disable_notification: true,
+      emoji
+    })
+    .catch((e) => console.error(e.stack));
+}
+module.exports.dice = dice;
+
 /**
  * Sends a help message.
  * @param {TelegramBot} bot The bot that should send the message.

src/router.js

@@ -1,6 +1,6 @@
 const { data } = require("./jsons"),
   { tomorrowDate } = require("./util"),
-  { message, giveHelp, list } = require("./commands/basics"),
+  { message, giveHelp, list, dice } = require("./commands/basics"),
   { lookingFor, notLookingFor } = require("./commands/looking-for"),
   { timetable, course } = require("./commands/uni"),
   { considerUpdating } = require("./commands/update"),
@@ -34,6 +34,9 @@ function act(bot, msg, action) {
     case "help":
       giveHelp(bot, msg);
       break;
+    case "luck":
+      dice(bot, msg);
+      break;
     case "lookingFor":
       lookingFor(
         bot,
@@ -95,7 +98,7 @@ function act(bot, msg, action) {
     default:
       console.error(`Unknown action type "${action.type}"`);
   }
-};
+}
 
 /**
  * Picks a different command based on the year of the current group.