[mm-65] Allows users to add multiple teams to the messages using team-a,team-b in the messages

README.md

@@ -32,7 +32,7 @@ To configure the Welcome Bot, edit your `config.json` file with a message you wa
             "com.mattermost.welcomebot": {
                 "WelcomeMessages": [
                     {
-                        "TeamName": "your-team-name",
+                        "TeamName": "your-team-name, your-second-team-name",
                         "DelayInSeconds": 3,
                         "Message": [
                             "Your welcome message here. Each list item specifies one line in the message text."
@@ -63,7 +63,7 @@ To configure the Welcome Bot, edit your `config.json` file with a message you wa
 
 where
 
-- **TeamName**: The team for which the Welcome Bot sends a message for. Must be the team handle used in the URL, in lowercase. For example, in the following URL the **TeamName** value is `my-team`: https://example.com/my-team/channels/my-channel
+- **TeamName**: - **TeamName**: The teams for which the Welcome Bot sends a message. Must be the team handle used in the URL, in lowercase. For example, in the following URL, the **TeamName** value is `my-team`: https://example.com/my-team/channels/my-channel . In the case of multiple teams, use comma separated fields. For example `"my-team, my-team-2"` to display the same messages for both `my-team` and `my-team-2`
 - **DelayInSeconds**: The number of seconds after joining a team that the user receives a welcome message.
 - **Message**: The message posted to the user.
 - (Optional) **AttachmentMessage**: Message text in attachment containing user action buttons.
@@ -100,7 +100,7 @@ To accomplish the above, you can specify the following configuration in your `co
             "com.mattermost.welcomebot": {
                 "WelcomeMessages": [
                     {
-                        "TeamName": "staff",
+                        "TeamName": "staff, management",
                         "DelayInSeconds": 5,
                         "Message": [
                             "### Welcome {{.UserDisplayName}} to the Staff {{.Team.DisplayName}} team!",

server/command.go

@@ -87,13 +87,17 @@ func (p *Plugin) validateCommand(action string, parameters []string) string {
 func (p *Plugin) executeCommandPreview(teamName string, args *model.CommandArgs) {
 	found := false
 	for _, message := range p.getWelcomeMessages() {
-		if message.TeamName == teamName {
-			if err := p.previewWelcomeMessage(teamName, args, *message); err != nil {
-				p.postCommandResponse(args, "error occurred while processing greeting for team `%s`: `%s`", teamName, err)
-				return
+		var teamNamesArr = strings.Split(message.TeamName, ",")
+		for _, name := range teamNamesArr {
+			tn := strings.Trim(name, "\t")
+			if tn == teamName {
+				p.postCommandResponse(args, "%s", teamName)
+				if err := p.previewWelcomeMessage(teamName, args, *message); err != nil {
+					p.postCommandResponse(args, "error occurred while processing greeting for team `%s`: `%s`", teamName, err)
+					return
+				}
+				found = true
 			}
-
-			found = true
 		}
 	}