Restrict Issue Types

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.security.roles.ProjectRoleManager
import com.onresolve.jira.groovy.user.FieldBehaviours
import groovy.transform.BaseScript

import static com.atlassian.jira.issue.IssueFieldConstants.ISSUE_TYPE

@BaseScript FieldBehaviours fieldBehaviours

def projectRoleManager = ComponentAccessor.getComponent(ProjectRoleManager)
def allIssueTypes = ComponentAccessor.constantsManager.allIssueTypeObjects
def user = ComponentAccessor.jiraAuthenticationContext.loggedInUser

def issueTypeField = getFieldById(ISSUE_TYPE)
def remoteUsersRoles = projectRoleManager.getProjectRoles(user, issueContext.projectObject)*.name
def availableIssueTypes = []

if ("Users" in remoteUsersRoles) {
    availableIssueTypes.addAll(allIssueTypes.findAll { it.name in ["Query", "General Request"] })
}

if ("Developers" in remoteUsersRoles) {
    availableIssueTypes.addAll(allIssueTypes.findAll { it.name in ["Bug", "Task", "New Feature"] })
}

issueTypeField.setFieldOptions(availableIssueTypes)