first version, join and very basic death messages

.gitignore

@@ -1 +1,2 @@
 node_modules
+bot.db

bot.js

@@ -0,0 +1,97 @@
+import Telegraf from 'telegraf'
+import { saveChat, getChats } from './database'
+import {
+  TYPE_JOIN, TYPE_DEATH, DEATH_TYPE_CONTACT, DEATH_TYPE_BLOCK_EXPLOSION, DEATH_TYPE_ENTITY_ATTACK,
+  DEATH_TYPE_ENTITY_SWEEP_ATTACK, DEATH_TYPE_PROJECTILE, DEATH_TYPE_FALL, DEATH_TYPE_FIRE,
+  DEATH_TYPE_FIRE_TICK, DEATH_TYPE_SUFFOCATION, DEATH_TYPE_MELTING, DEATH_TYPE_LAVA, DEATH_TYPE_DROWNING,
+  DEATH_TYPE_ENTITY_EXPLOSION, DEATH_TYPE_VOID, DEATH_TYPE_LIGHTNING, DEATH_TYPE_SUICIDE,
+  DEATH_TYPE_STARVATION, DEATH_TYPE_POISON, DEATH_TYPE_MAGIC, DEATH_TYPE_FALLING_BLOCK,
+  DEATH_TYPE_THORNS, DEATH_TYPE_DRAGON_BREATH, DEATH_TYPE_CUSTOM, DEATH_TYPE_HOT_FLOOR,
+  DEATH_TYPE_FLY_INTO_WALL, DEATH_TYPE_CRAMMING, DEATH_TYPE_DRYOUT
+} from './types'
+
+const bot = new Telegraf('643297173:AAGuqfZx3GhiiARwvY7AtWTTFw1T-2FiwCM')
+
+bot.start(({ message: { chat: { id } } }) => saveChat(id))
+bot.launch()
+
+const sendMessageToAll = text => {
+  getChats()
+    .then(chats => chats.map(({ chatId }) => chatId))
+    .then(chatIds => {
+      for (let id of chatIds) {
+        bot.telegram.sendMessage(id, text)
+      }
+    })
+}
+
+const getEntityDeathMessage = payload => {
+  switch (payload.deathType) {
+    case DEATH_TYPE_CONTACT:
+      return 'умер от соприкосновения'
+    case DEATH_TYPE_BLOCK_EXPLOSION:
+      return 'взорвался'
+    case DEATH_TYPE_ENTITY_ATTACK:
+      return 'умер от существа'
+    case DEATH_TYPE_ENTITY_SWEEP_ATTACK:
+      return 'умер от урона по области'
+    case DEATH_TYPE_PROJECTILE:
+      return 'застрелили'
+    case DEATH_TYPE_SUFFOCATION:
+      return 'сплющило'
+    case DEATH_TYPE_FALL:
+      return 'упал насмерть'
+    case DEATH_TYPE_FIRE:
+      return 'сгорел'
+    case DEATH_TYPE_FIRE_TICK:
+      return 'умер от ожогов'
+    case DEATH_TYPE_MELTING:
+      return 'замерз'
+    case DEATH_TYPE_LAVA:
+      return 'от лавы'
+    case DEATH_TYPE_DROWNING:
+      return 'утонул'
+    case DEATH_TYPE_ENTITY_EXPLOSION:
+      return 'взорван вместе с существом'
+    case DEATH_TYPE_VOID:
+      return 'упал в бездну'
+    case DEATH_TYPE_LIGHTNING:
+      return 'скончался от удара молнией'
+    case DEATH_TYPE_SUICIDE:
+      return 'совершил самоубийство'
+    case DEATH_TYPE_STARVATION:
+      return 'скончался от голода'
+    case DEATH_TYPE_POISON:
+      return 'умер от яда'
+    case DEATH_TYPE_MAGIC:
+      return 'умер от магии'
+    case DEATH_TYPE_FALLING_BLOCK:
+      return 'погиб под упавшим блоком'
+    case DEATH_TYPE_THORNS:
+      return 'умер от шипов'
+    case DEATH_TYPE_DRAGON_BREATH:
+      return 'убит драконом'
+    case DEATH_TYPE_CUSTOM:
+      return ''
+    case DEATH_TYPE_FLY_INTO_WALL:
+      return 'убил сибя ап стену'
+    case DEATH_TYPE_HOT_FLOOR:
+      return 'не увидел, что пол - магма'
+    case DEATH_TYPE_CRAMMING:
+      return ''
+    case DEATH_TYPE_DRYOUT:
+      return ''
+  }
+}
+
+export const sendEvent = ({ type, ...payload }) => {
+  switch (type) {
+    case TYPE_JOIN:
+      sendMessageToAll(`Игрок ${payload.displayName} присоединился!`)
+      break
+    case TYPE_DEATH:
+      console.log({ payload })
+      sendMessageToAll(`Игрок ${payload.displayName} ${getEntityDeathMessage(payload)}. Убийца: ${payload.killerName}`)
+      break
+  }
+}

database.js

@@ -0,0 +1,32 @@
+import sqlite from 'sqlite3'
+
+const db = new sqlite.Database('bot.db')
+db.run(
+  `CREATE TABLE IF NOT EXISTS chats (
+    chatId INTEGER,
+    UNIQUE(chatId)
+  )`)
+
+export const saveChat = id => {
+  return new Promise((resolve, reject) => {
+    db.run(`INSERT OR IGNORE INTO chats (chatId) VALUES (?)`, [ id ], (err) => {
+      if (err) {
+        reject(err)
+      } else {
+        resolve({ id })
+      }
+    })
+  })
+}
+
+export const getChats = () => {
+  return new Promise((resolve, reject) => {
+    db.all('SELECT * FROM chats', [], (err, rows) => {
+      if (err) {
+        reject(err)
+      } else {
+        resolve(rows)
+      }
+    })
+  })
+}

main.js

@@ -1,10 +1,11 @@
-import Telegraf from 'telegraf'
 import express from 'express'
+import { sendEvent } from './bot'
 
 const web = express()
-const bot = new Telegraf('643297173:AAGuqfZx3GhiiARwvY7AtWTTFw1T-2FiwCM')
 
-web.get('/', (req, res) => {
-  bot.telegram.sendMessage('test')
+web.use(express.json())
+web.post('/', (req, res) => {
+  sendEvent(req.body)
+  res.send({ ok: true })
 })
 web.listen(3000)

package.json

@@ -22,6 +22,8 @@
     "@babel/node": "^7.2.2",
     "@babel/preset-env": "^7.3.1",
     "express": "^4.16.4",
-    "telegraf": "^3.27.1"
+    "sqlite3": "^4.0.6",
+    "telegraf": "^3.27.1",
+    "translate": "^1.0.3"
   }
 }

types.js

@@ -0,0 +1,201 @@
+export const TYPE_JOIN = 'join'
+export const TYPE_DEATH = 'death'
+
+/**
+ * Damage caused when an entity contacts a block such as a Cactus.
+ * <p>
+ * Damage: 1 (Cactus)
+ */
+export const DEATH_TYPE_CONTACT = 'CONTACT'
+
+/**
+ * Damage caused when an entity attacks another entity.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_ENTITY_ATTACK = 'ENTITY_ATTACK'
+
+/**
+ * Damage caused when an entity attacks another entity in a sweep attack.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_ENTITY_SWEEP_ATTACK = 'ENTITY_SWEEP_ATTACK'
+
+/**
+ * Damage caused when attacked by a projectile.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_PROJECTILE = 'PROJECTILE'
+
+/**
+ * Damage caused by being put in a block
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_SUFFOCATION = 'SUFFOCATION'
+
+/**
+ * Damage caused when an entity falls a distance greater than 3 blocks
+ * <p>
+ * Damage: fall height - 3.0
+ */
+export const DEATH_TYPE_FALL = 'FALL'
+
+/**
+ * Damage caused by direct exposure to fire
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_FIRE = 'FIRE'
+
+/**
+ * Damage caused due to burns caused by fire
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_FIRE_TICK = 'FIRE_TICK'
+
+/**
+ * Damage caused due to a snowman melting
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_MELTING = 'MELTING'
+
+/**
+ * Damage caused by direct exposure to lava
+ * <p>
+ * Damage: 4
+ */
+export const DEATH_TYPE_LAVA = 'LAVA'
+
+/**
+ * Damage caused by running out of air while in water
+ * <p>
+ * Damage: 2
+ */
+export const DEATH_TYPE_DROWNING = 'DROWNING'
+
+/**
+ * Damage caused by being in the area when a block explodes.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_BLOCK_EXPLOSION = 'BLOCK_EXPLOSION'
+
+/**
+ * Damage caused by being in the area when an entity, such as a
+ * Creeper, explodes.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_ENTITY_EXPLOSION = 'ENTITY_EXPLOSION'
+
+/**
+ * Damage caused by falling into the void
+ * <p>
+ * Damage: 4 for players
+ */
+export const DEATH_TYPE_VOID = 'VOID'
+
+/**
+ * Damage caused by being struck by lightning
+ * <p>
+ * Damage: 5
+ */
+export const DEATH_TYPE_LIGHTNING = 'LIGHTNING'
+
+/**
+ * Damage caused by committing suicide using the command "/kill"
+ * <p>
+ * Damage: 1000
+ */
+export const DEATH_TYPE_SUICIDE = 'SUICIDE'
+
+/**
+ * Damage caused by starving due to having an empty hunger bar
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_STARVATION = 'STARVATION'
+
+/**
+ * Damage caused due to an ongoing poison effect
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_POISON = 'POISON'
+
+/**
+ * Damage caused by being hit by a damage potion or spell
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_MAGIC = 'MAGIC'
+
+/**
+ * Damage caused by Wither potion effect
+ */
+export const DEATH_TYPE_WITHER = 'WITHER'
+
+/**
+ * Damage caused by being hit by a falling block which deals damage
+ * <p>
+ * <b>Note:</b> Not every block deals damage
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_FALLING_BLOCK = 'FALLING_BLOCK'
+
+/**
+ * Damage caused in retaliation to another attack by the Thorns
+ * enchantment.
+ * <p>
+ * Damage: 1-4 (Thorns)
+ */
+export const DEATH_TYPE_THORNS = 'THORNS'
+
+/**
+ * Damage caused by a dragon breathing fire.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_DRAGON_BREATH = 'DRAGON_BREATH'
+
+/**
+ * Custom damage.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_CUSTOM = 'CUSTOM'
+
+/**
+ * Damage caused when an entity runs into a wall.
+ * <p>
+ * Damage: variable
+ */
+export const DEATH_TYPE_FLY_INTO_WALL = 'FLY_INTO_WALL'
+
+/**
+ * Damage caused when an entity steps on {@link Material#MAGMA_BLOCK}.
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_HOT_FLOOR = 'HOT_FLOOR'
+
+/**
+ * Damage caused when an entity is colliding with too many entities due
+ * to the maxEntityCramming game rule.
+ * <p>
+ * Damage: 6
+ */
+export const DEATH_TYPE_CRAMMING = 'CRAMMING'
+
+/**
+ * Damage caused when an entity that should be in water is not.
+ * <p>
+ * Damage: 1
+ */
+export const DEATH_TYPE_DRYOUT = 'DRYOUT'