Example - getAvailabilityByUser

This example outputs a list of teams with user availability for the selected user.

Controller

public class UserAvailabilityController {
    
    public Id selectedUser {get;set;}
    
    /**
     * Get a list of all users involved with DE teams
     */
    public List<SelectOption> getUserOptions() {
        List<User> users = [SELECT Name FROM User WHERE Id in (SELECT n2de__User__c FROM n2de__Team_member__c) ORDER BY Name ASC];
        List<SelectOption> userOptions = new List<SelectOption>();
        for (User u : users) {
            userOptions.add(new SelectOption(u.Id, u.Name));
        }
        return userOptions;
    }
    
    /**
     * Action for selecting a user
     */
    public PageReference selectUser() {
       return null;
    }
    
    /**
     * Get the availability by team for the selected user Id
     */
    public List<UserAvailabilityWrapper> getUserAvailability() {        
        List<UserAvailabilityWrapper> resultList = new List<UserAvailabilityWrapper>();
        
        if (selectedUser == null) {
            return resultList;
        }
            
        //Get a map of DE teams
        Map<Id, n2de__Team__c> teamMap = new Map<Id, n2de__Team__c>([SELECT Id, Name FROM n2de__Team__c WHERE n2de__Is_active__c = TRUE AND n2de__Is_distribute_to_queue__c = FALSE ORDER BY Name ASC]);

        //Get the availability of this user
        Map<Id, Boolean> userAvailabilityMap = n2de.DistributionEngineGlobal.getAvailabilityByUser(selectedUser);
    
        //Loop through the user availability map by team
        for (Id teamId : userAvailabilityMap.keySet()) {
            //If this team isn't in the map then ignore (it may be inactive)
            n2de__Team__c thisTeam = teamMap.get(teamId);
            if (thisTeam == null) {
               continue;
            }

            UserAvailabilityWrapper uaw = new UserAvailabilityWrapper();
            uaw.teamName = thisTeam.name;
            uaw.isOnline = userAvailabilityMap.get(teamId);

            resultList.add(uaw);
        }

        return resultList;
    }
    
    public class UserAvailabilityWrapper {
        public String teamName {get;set;}
        public Boolean isOnline {get;set;}
    }
}

Visualforce Page

<apex:page controller="UserAvailabilityController">
<style>
   .online{
      color: green;
      font-weight: bold;
      font-size: 12pt;
   }
   .offline{
      color: gray;
   }
</style>
    <apex:form>
        <apex:selectList value="{!selectedUser}">
            <apex:selectOptions value="{!userOptions}" />
            <apex:actionSupport rerender="pnlTeams" action="{!selectUser}" event="onchange" />
        </apex:selectList>
        <apex:outputPanel id="pnlTeams">
            <ul>
            <apex:repeat value="{!userAvailability}" var="team">
                <li class="{!IF(team.isOnline, 'online', 'offline')}">{!team.teamName} - {!IF(team.isOnline, 'Online', 'Offline')}</li>
            </apex:repeat>
            </ul>
        </apex:outputPanel>
    </apex:form>
</apex:page>