import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.search.SearchRequest
import com.atlassian.jira.issue.search.SearchRequestManager
import com.atlassian.jira.favourites.FavouritesManager
import com.atlassian.jira.user.ApplicationUser
import com.atlassian.jira.portal.PortalPage
import com.atlassian.jira.portal.PortalPageManager
import com.atlassian.jira.favourites.FavouritesManager
import com.atlassian.jira.user.util.UserUtil
import com.atlassian.crowd.embedded.api.*

// Set the portal page ID and group to share with here
def portalPageIds = [10400]
def groupNames = ['jira-software-users']
def groupManager = ComponentAccessor.getGroupManager()SearchRequestManager srm = ComponentAccessor.getComponentOfType(SearchRequestManager.class);
def portalPageManager = ComponentAccessor.getComponent(PortalPageManager)
FavouritesManager favouritesManager = ComponentAccessor.getComponentOfType(FavouritesManager.class);

for (String groupName: groupNames) {
    def grpUserList = groupManager.getUsersInGroup(groupName)
    for (ApplicationUser user:grpUserList){
         for (Long portalPageId: portalPageIds) {
              PortalPage portalPage = portalPageManager.getPortalPageById(portalPageId)
              try{
                 favouritesManager.addFavourite(user, portalPage) 
                 log.info("Adding portal " + portalPageId.toString() + " to user: " + user)
              } catch (Exception ex){
                 log.warn("Failed Adding portal " + portalPageId.toString() + " to user: " + user + "\n" + ex)
              } //catch 
         } //for portalID
    } //for group users
} //for groups

// This script can be run from Scriptrunner console to set Dashboards listed in the variable dashboardIds as favourites for users & groups listed in the variables userNames & groupNames and share Dashboard to groups listed in the variable sharedGroups
import com.atlassian.jira.component.ComponentAccessorimport com.atlassian.jira.user.ApplicationUser
import com.atlassian.jira.user.util.UserManagerimport com.atlassian.jira.security.groups.GroupManager
import com.atlassian.jira.bc.JiraServiceContextimport com.atlassian.jira.bc.JiraServiceContextImpl
import com.atlassian.jira.portal.PortalPageimport com.atlassian.jira.bc.portal.PortalPageService
import com.atlassian.jira.sharing.SharedEntityimport com.atlassian.jira.sharing.SharePermissionImpl
import com.atlassian.jira.sharing.type.ShareType
import org.apache.log4j.Levellog.setLevel(Level.DEBUG)

List<Integer> dashboardIds = [ // change Dashboard Ids for your case
  11111,
  22222,
  33333
]
List<String> groupNames = [ // change group names for your case or comment out this list, if userlist is not needed 
  'jiragroup1', 
  'jiragroup2', 
  'jiragroup3' 
]
List<String> userNames = [ // change user names for your case or comment out this list, if userlist is not needed  
  'user1@company.com',
  'user2@company.com',
  'user3@company.com'
] 
List<String> sharedGroups = [ // change Dashboard shared groups for your case or comment out this list, if userlist is not needed
  'jiragroup4',
  'jiragroup5'
]    

PortalPage portalPageList
<ApplicationUser> selGrpUsers
List<String> allUserNames = new ArrayList<>()
ApplicationUser curUser =  ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()
JiraServiceContext context = new JiraServiceContextImpl(curUser)
UserManager userManager = ComponentAccessor.getUserManager()
GroupManager groupManager = ComponentAccessor.getGroupManager() 
PortalPageService portalPageService = ComponentAccessor.getComponent(PortalPageService)

if (!groupNames?.isEmpty()) { // read list of group names if non-empty
  for (String groupName: groupNames) {
    try{
      selGrpUsers = groupManager.getUsersInGroup(groupName) as List<ApplicationUser>
    } catch (Exception ex) {
      log.error("Can't find Jira group with name '"+groupName+"'\n" + ex)
    }
    if (!selGrpUsers?.isEmpty()) allUserNames += selGrpUsers.collect{it.getName().toLowerCase()}
  }
  log.debug("Usernames list for all groups:\n"+allUserNames)}

if (!userNames?.isEmpty()) allUserNames += userNames.collect{it.toLowerCase()}
allUserNames.unique()
log.debug("Usernames list for all groups and separate users:\n"+allUserNames)

if (!allUserNames?.isEmpty()) {
  for (Long dashboardId: dashboardIds) {
    portalPage =  portalPageService.getPortalPage(context, dashboardId)
    if (portalPage) {
      if (!sharedGroups?.isEmpty()) {
        SharedEntity.SharePermissions perms
        List<String> sharedGroupsResult = new ArrayList<>()
        sharedGroups.each {
          if (groupManager.groupExists(it)) {
            if (groupManager.isUserInGroup(curUser, it)) sharedGroupsResult.add(it)
            else log.error("User '"+curUser.name+"' must be a member of the group '"+it+"' to be able to share Jira dashboard to the group. Can't add this group to Dashboard share.")
          } else log.error("Can't find Jira group with name '"+it+"'. Therefore can't share Jira dashboard to non-existing group.")
        }
        if (!sharedGroupsResult?.isEmpty()) {
          perms = new SharedEntity.SharePermissions(sharedGroupsResult.collect{new SharePermissionImpl(ShareType.Name.GROUP, it, null)}.toSet())
          portalPage = portalPage.portalPage(portalPage)
            .permissions(perms)
            .build()                                                                
        }
      }
      for (String userName: allUserNames) {
        try {
          portalPage = portalPageService.updatePortalPage(context, portalPage, true)
          log.info("Adding portal "+dashboardId?.toString()+" to user: "+userName)
        } catch (Exception ex) {
          log.error("Failed Adding portal "+dashboardId?.toString()+" to user: "+userName+"\n"+ex)
        }
      }
    } else log.error("Can't find Jira dashboard with Id: "+dashboardId)  
  }
} else log.error("List of usernames and usernames from groups is empty. Therefore nothing to do.")