feat(telegram): support image builtin type

botpress · Sep 10, 2018 · b1ecac6 · b1ecac6
1 parent 3f1da72
commit b1ecac6
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Showing 5 changed files with 55 additions and 0 deletions.
diff --git a/packages/channels/botpress-channel-telegram/src/actions.js b/packages/channels/botpress-channel-telegram/src/actions.js
@@ -26,6 +26,27 @@ const createText = ({ chatId, userId }, text, options = {}) => {
   }
 }
 
+const createPhoto = ({ chatId, userId }, photo, options = {}) => {
+  validateChatId(chatId)
+  validateText(photo) // TODO Refactor validators
+
+  if (options.caption) {
+    validateText(options.caption)
+  }
+
+  return {
+    platform: 'telegram',
+    type: 'photo',
+    text: 'Attachment (photo): ' + photo,
+    raw: {
+      chatId: chatId,
+      to: userId,
+      photo: photo,
+      options: options
+    }
+  }
+}
+
 const createEditMessage = (text, options = {}) => {
   return {
     platform: 'telegram',
@@ -40,5 +61,6 @@ const createEditMessage = (text, options = {}) => {
 
 module.exports = {
   createText,
+  createPhoto,
   createEditMessage
 }
diff --git a/packages/channels/botpress-channel-telegram/src/outgoing.js b/packages/channels/botpress-channel-telegram/src/outgoing.js
@@ -22,6 +22,18 @@ const handleText = (event, next, telegram) => {
   return handlePromise(next, telegram.sendText(chatId, text, options))
 }
 
+const handlePhoto = (event, next, telegram) => {
+  if (event.platform !== 'telegram' || event.type !== 'photo') {
+    return next()
+  }
+
+  const chatId = event.raw.chatId
+  const photo = event.raw.photo
+  const options = event.raw.options
+
+  return handlePromise(next, telegram.sendPhoto(chatId, photo, options))
+}
+
 const handleEditMessageText = (event, next, telegram) => {
   if (event.platform !== 'telegram' || event.type !== 'edited_message_text') {
     return next()
@@ -38,6 +50,7 @@ const handleEditMessageText = (event, next, telegram) => {
 
 module.exports = {
   text: handleText,
+  photo: handlePhoto,
   edited_message_text: handleEditMessageText,
   pending: {}
 }
diff --git a/packages/channels/botpress-channel-telegram/src/telegram.js b/packages/channels/botpress-channel-telegram/src/telegram.js
@@ -76,6 +76,14 @@ class Telegram {
     })
   }
 
+  sendPhoto(chatId, photo, options) {
+    this.validateBeforeSending(chatId, options)
+
+    return Promise.fromCallback(() => {
+      this.bot.sendPhoto(chatId, photo, options)
+    })
+  }
+
   sendEditMessage(text, options = {}) {
     this.validateBeforeSending(options.chat_id, options)
     Telegram.validateText(text)

diff --git a/packages/channels/botpress-channel-telegram/src/umm.js b/packages/channels/botpress-channel-telegram/src/umm.js
@@ -54,6 +54,10 @@ function processOutgoing({ event, blocName, instruction }) {
     return actions.createText({ chatId: event.chat.id, userId: getUserId(event) }, instruction.text, options)
   }
 
+  if (!_.isNil(instruction.photo)) {
+    return actions.createPhoto({ chatId: event.chat.id, userId: getUserId(event) }, instruction.photo, options)
+  }
+
   if (!_.isNil(instruction.options) && !_.isNil(instruction.options.reply_markup)) {
     return actions.createText(
       { chatId: event.chat.id, userId: getUserId(event) },

diff --git a/packages/core/botpress-builtins/src/renderers/builtin_image.js b/packages/core/botpress-builtins/src/renderers/builtin_image.js
@@ -35,5 +35,13 @@ export default data => [
         image_url: data.image
       }
     ]
+  },
+  {
+    on: 'telegram',
+    photo: url.resolve(data.BOT_URL, data.image),
+    options: {
+      caption: data.title,
+      parse_mode: 'Markdown'
+    }
   }
 ]