treehouses message slack channels(fixes #2014)

README.md

@@ -166,7 +166,7 @@ resolution <cea|dmt [modes]>              sets the screen resolution
 system [cpu|ram|disk|volt|temperature]    display real system informations
 message gitter <apitoken|authorize>       sets api/channel info in config file and sends/recieves message
                <send|show|read|mark>
-        slack <apitoken|send>             sets api/channel info in config file and sends message
+        slack <apitoken|send|channels>    sets api/channel info in config file and sends message
 shutdown [now|in|force]                   shutdown the system
 ```
 

_treehouses

@@ -236,6 +236,7 @@ treehouses message gitter show
 treehouses message gitter read
 treehouses message gitter mark
 treehouses message slack apitoken
+treehouses message slack channels
 treehouses message slack send
 treehouses networkmode
 treehouses networkmode info

modules/help.sh

@@ -142,7 +142,7 @@ resolution <cea|dmt [modes]>              sets the screen resolution
 system [cpu|ram|disk|volt|temperature]    display real system informations
 message gitter <apitoken|authorize>       sets api/channel info in config file and sends/recieves message
                <send|show|read|mark>
-        slack <apitoken|send>             sets api/channel info in config file and sends message
+        slack <apitoken|send|channels>    sets api/channel info in config file and sends message
 shutdown [now|in|force]                   shutdown the system
 EOF
   echo "$helpdefault"

modules/message.sh

@@ -220,24 +220,33 @@ function message {
         apitoken)
           if [[ $3 != "" ]]; then
             tempVar=$(echo $3 | cut -d "-" -f 1)
-            if [[ $tempVar == "xoxp" ]]; then
+            if [[ $tempVar != "xoxp" ]]; then
+              log_comment_and_exit1 "invalid token"
+            else
               conf_var_update "slack_apitoken" "$3"
               echo "your apitoken is $3"
-            else
-              log_comment_and_exit1 "invalid token"
             fi
           elif check_apitoken slack; then
             get_apitoken slack
           else
-            echo "You do not have an authorized access token for slack"
-            echo ""
             echo "To get an authorized access token"
+            echo ""
             echo "Navigate to https://api.slack.com/apps and create an APP. Provide a name for the APP and select the \"Development Slack Workspace (eg : Open Learning Exchange)\" from the drop down list"
             echo "Go to \"OAuth & Permission\" under \"features \" and select the scope under \"User Token Scopes\" and add \"chat:write\" for the APP from the drop down list"
             echo "Then install APP to the workspace and click the allow button to give permissions in the redirected link and then you will get the \"OAuth access token\""
             echo "Run $BASENAME message slack apitoken <oauth access token>"
           fi
           ;;
+        channels)
+          if check_apitoken slack; then
+            list=$(curl -s -F token=$access_token https://slack.com/api/conversations.list)
+            channel_names=$(echo $list | python -m json.tool | jq '.channels[].name' | tr -d '"')
+            echo "Channels names:"
+            echo "$channel_names"
+          else
+            log_comment_and_exit1 "Error: You do not have an authorized access token" "To get access token, run $BASENAME message slack apitoken"
+          fi
+          ;;
         send)
           channel=$3
           if check_apitoken slack; then
@@ -246,7 +255,6 @@ function message {
             fi
             shift; shift; shift;
             message=$*
-            echo "$message"
             message_response=$(curl -s -X POST -H 'Authorization: Bearer '$access_token'' -H 'Content-type: application/json' --data "{\"channel\":\"$channel\",\"text\":\"$message\"}" https://slack.com/api/chat.postMessage)
             message_response=$(echo $message_response | python -m json.tool | jq '.ok' | tr -d '"')
             if [[ $message_response == "true" ]]; then
@@ -301,6 +309,9 @@ function message_help {
   echo "  $BASENAME message slack apitoken"
   echo "     check for API token for slack"
   echo
+  echo "  $BASENAME message slack channels"
+  echo "     check for channels"
+  echo
   echo "  $BASENAME message slack send \"channel_name or channel ID\" \"Hi, you are very awesome\""
   echo "     Sends a message to a slack channel using channel name, eg, channel: #channel_name"
   echo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@treehouses/cli",
-  "version": "1.24.82",
+  "version": "1.24.83",
   "remote": "4000",
   "description": "Thin command-line interface for Raspberry Pi low level configuration.",
   "main": "cli.sh",