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package eu.dnetlib.functionality.modular.ui;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Sets;
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import eu.dnetlib.functionality.modular.ui.users.AccessLimited;
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import eu.dnetlib.functionality.modular.ui.users.PermissionLevel;
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import eu.dnetlib.functionality.modular.ui.users.User;
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public class EntryPointsAggregator {
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@Autowired(required=false)
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private List<ModuleEntryPoint> entryPoints = Lists.newArrayList();;
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@Autowired(required=false)
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private List<AbstractMenu> otherMenus = Lists.newArrayList();
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public List<ModuleEntryPoint> getEntryPoints() {
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return entryPoints;
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}
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public void setEntryPoints(List<ModuleEntryPoint> entryPoints) {
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this.entryPoints = entryPoints;
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}
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public List<AbstractMenu> getMenus(User user) {
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final Map<String, ModulesMenu> map = new HashMap<String, ModulesMenu>();
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for (ModuleEntryPoint entry : entryPoints) {
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if (entry.isValidMenuEntry() && verifyAuthorization(entry, user)) {
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final String group = entry.getGroup();
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if (!map.containsKey(group)) {
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map.put(group, new ModulesMenu(group));
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}
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map.get(group).addEntry(entry);
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}
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}
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final List<AbstractMenu> items = Lists.newArrayList();
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for (AbstractMenu menu : otherMenus) {
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if (menu instanceof AccessLimited) {
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if (verifyAuthorization((AccessLimited) menu, user) && menu.getEntries().size() > 0) {
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items.add(menu);
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}
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} else if (menu.getEntries().size() > 0) {
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items.add(menu);
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}
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}
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for (ModulesMenu item : map.values()) {
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item.complete();
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items.add(item);
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}
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Collections.sort(items);
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return items;
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}
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private boolean verifyAuthorization(AccessLimited entry, User user) {
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if (user.getPermissionLevels().contains(PermissionLevel.SUPER_ADMIN)) return true;
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return (Sets.intersection(user.getPermissionLevels(), entry.getPermissionLevels()).size() > 0);
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}
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}
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