Merge pull request #40 from codeforequity-at/feature/BOT-1013-core-support-nested-cards

BOT-1013 core support nested cards

Author: Botium

README.md

@@ -10,7 +10,7 @@ This is a [Botium](https://github.com/codeforequity-at/botium-core) connector fo
 
 __Did you read the [Botium in a Nutshell](https://medium.com/@floriantreml/botium-in-a-nutshell-part-1-overview-f8d0ceaf8fb4) articles ? Be warned, without prior knowledge of Botium you won't be able to properly use this library!__
 
-## How it works ?
+## How it works?
 The Direct Line API 3.0, part of the Microsoft Bot Framework, enables Botium to talk to a chatbot deployed and running with the Microsoft Bot Framework.
 
 The Direct Line version number does not correspond to the Microsoft Bot Framework version number. So this connector actually supports  __Microsoft Bot Framework v3 as well as v4__.
@@ -20,7 +20,10 @@ It can be used as any other Botium connector with all Botium Stack components:
 * [Botium Bindings](https://github.com/codeforequity-at/botium-bindings/)
 * [Botium Box](https://www.botium.at)
 
-This connector extracts form contents from adaptive cards. You can assert them with [Forms Asserter](https://botium.atlassian.net/wiki/spaces/BOTIUM/pages/48627713/Forms+Asserter).
+
+## Features
+* Button, Media, Card, Form extraction. Accordingly it is possible to use a corresponding [Botium Asserter](https://botium.atlassian.net/wiki/spaces/BOTIUM/pages/2293815/Botium+Asserters).
+* Adaptive Card support. 
 
 ## Requirements
 

index.js

@@ -133,7 +133,32 @@ class BotiumConnectorDirectline3 {
                 mimeType: mime.lookup(m.url) || 'application/unknown',
                 altText: m.profile
               })
-
+              const mapAdaptiveCardRecursive = (c) => {
+                const textBlocks = this._deepFilter(c.body, (t) => t.type, (t) => t.type === 'TextBlock')
+                const imageBlocks = this._deepFilter(c.body, (t) => t.type, (t) => t.type === 'Image')
+                const buttonBlocks = this._deepFilter(c.body, (t) => t.type, (t) => t.type.startsWith('Action.'))
+                const actions = (c.actions || []).concat((buttonBlocks && buttonBlocks.map(mapButton)) || [])
+                const subcards = actions.filter(a => (a.type === 'Action.ShowCard' && a.card)).map(a => mapAdaptiveCardRecursive(a.card))
+                const inputs = this._deepFilter(c.body, (t) => t.type, (t) => t.type.startsWith('Input.'))
+                const forms = []
+                for (const input of inputs) {
+                  forms.push({
+                    name: input.id,
+                    label: input.label,
+                    type: input.type.substring('Input.'.length),
+                    options: input.choices
+                  })
+                }
+                return {
+                  text: textBlocks && textBlocks.map(t => t.text),
+                  image: imageBlocks && imageBlocks.length > 0 && mapImage(imageBlocks[0]),
+                  buttons: actions.map(mapButton),
+                  media: imageBlocks && imageBlocks.length > 1 && imageBlocks.slice(1).map(mapImage),
+                  forms: forms.length ? forms : null,
+                  cards: subcards.length ? subcards : null,
+                  sourceData: c
+                }
+              }
               message.attachments && message.attachments.forEach(a => {
                 if (a.contentType === 'application/vnd.microsoft.card.hero') {
                   botMsg.cards.push({
@@ -146,25 +171,9 @@ class BotiumConnectorDirectline3 {
                     sourceData: a
                   })
                 } else if (a.contentType === 'application/vnd.microsoft.card.adaptive') {
-                  const textBlocks = this._deepFilter(a.content.body, (t) => t.type, (t) => t.type === 'TextBlock')
-                  const imageBlocks = this._deepFilter(a.content.body, (t) => t.type, (t) => t.type === 'Image')
-                  const buttonBlocks = this._deepFilter(a.content.body, (t) => t.type, (t) => t.type.startsWith('Action.'))
-
-                  botMsg.cards.push({
-                    text: textBlocks && textBlocks.map(t => t.text),
-                    image: imageBlocks && imageBlocks.length > 0 && mapImage(imageBlocks[0]),
-                    buttons: ((a.content.actions && a.content.actions.map(mapButton)) || []).concat((buttonBlocks && buttonBlocks.map(mapButton)) || []),
-                    media: imageBlocks && imageBlocks.length > 1 && imageBlocks.slice(1).map(mapImage),
-                    sourceData: a
-                  })
-                  const inputs = this._deepFilter(a.content.body, (t) => t.type, (t) => t.type.startsWith('Input.'))
-                  for (const input of inputs) {
-                    botMsg.forms.push({
-                      name: input.id,
-                      label: input.label,
-                      type: input.type.substring('Input.'.length),
-                      options: input.choices
-                    })
+                  // if is send 'card inputs please' instead of 'card inputs' then there is an empty card in attachments
+                  if (a.content) {
+                    botMsg.cards.push(mapAdaptiveCardRecursive(a.content))
                   }
                 } else if (a.contentType === 'application/vnd.microsoft.card.animation' ||
                   a.contentType === 'application/vnd.microsoft.card.audio' ||

samples/convo/spec/convo/subcards.convo.txt

@@ -0,0 +1,10 @@
+subcards
+
+#me
+BUTTON card inputs
+
+#bot
+Showing inputs
+FORMS SimpleVal|UrlVal|EmailVal|CommentVal|..
+BUTTONS Submit|Show Card|Ok
+MEDIA https://www.bing.com/th?id=AR_3934aff63dd6ff941034090a4b9d12e1&w=50&h=50&dpr=2&pid=AppEx