func HasPermissionToChannel(user *model.User, teamMember *model.TeamMember, channelMember *model.ChannelMember, permission *model.Permission) bool {
if channelMember == nil {
return false
}
roles := channelMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
return HasPermissionToTeam(user, teamMember, permission)
}