Add parsing of message from markdown to html...

... and remove formatted_message

Dockerfile

@@ -1,4 +1,5 @@
 FROM parity/tools:latest
+RUN apk add markdown
 COPY entrypoint.sh /
-CMD chmod +x /entrypoint.sh
+RUN chmod +x /entrypoint.sh
 ENTRYPOINT /entrypoint.sh

action.yml

@@ -18,10 +18,6 @@ inputs:
     description: "Message to send in plaintext format"
     default: ""
     required: true
-  formatted_message:
-    description: "Message to send, formatted in Matrix HTML"
-    default: ""
-    required: false
 runs:
   using: docker
   image: 'Dockerfile'

entrypoint.sh

@@ -2,11 +2,8 @@
 
 # structure_message $content $formatted_content (optional)
 structure_message() {
-  if [ -z "$2" ]; then
-    body=$(jq -Rs --arg body "$1" '{"msgtype": "m.text", $body}' < /dev/null)
-  else
-    body=$(jq -Rs --arg body "$1" --arg formatted_body "$2" '{"msgtype": "m.text", $body, "format": "org.matrix.custom.html", $formatted_body}' < /dev/null)
-  fi
+  parsed="$(echo "$1" | markdown)"
+  body=$(jq -Rs --arg body "$1" --arg formatted_body "$parsed" '{"msgtype": "m.text", $body, "format": "org.matrix.custom.html", $formatted_body}' < /dev/null)
   echo "$body"
 }
 
@@ -22,4 +19,4 @@ send_message() {
   fi
 }
 
-send_message "$(structure_message "$INPUT_MESSAGE" "$INPUT_FORMATTED_MESSAGE")" "$INPUT_ROOM_ID" "$INPUT_ACCESS_TOKEN"
+send_message "$(structure_message "$INPUT_MESSAGE")" "$INPUT_ROOM_ID" "$INPUT_ACCESS_TOKEN"