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Adding Collection.findAuthorizeOptimized

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Based on Ohio State University code
This commit is contained in:
Peter Dietz
2014-09-23 18:17:02 -04:00
parent 69f217a4b6
commit bbe9ef6f3c
2 changed files with 277 additions and 4 deletions
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180
dspace-api/src/main/java/org/dspace/content/Collection.java
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@@ -33,10 +33,7 @@ import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.MissingResourceException;
import java.util.*;
/**
* Class representing a collection.
@@ -1505,6 +1502,69 @@ public class Collection extends DSpaceObject
myCollections = (Collection[]) myResults.toArray(myCollections);
return myCollections;
}
public static Collection[] findAuthorizedOptimized(Context context, int actionID) throws java.sql.SQLException
{
List<Collection> myResults = new ArrayList<Collection>();
if(AuthorizeManager.isAdmin(context))
{
return findAll(context);
}
//Check eperson->policy
Collection[] directToCollection = findDirectMapped(context, actionID);
for (int i = 0; i< directToCollection.length; i++)
{
if(!myResults.contains(directToCollection[i]))
{
myResults.add(directToCollection[i]);
}
}
//Check eperson->groups->policy
Collection[] groupToCollection = findGroupMapped(context, actionID);
for (int i = 0; i< groupToCollection.length; i++)
{
if(!myResults.contains(groupToCollection[i]))
{
myResults.add(groupToCollection[i]);
}
}
//Check eperson->groups->groups->policy->collection
//i.e. Malcolm Litchfield is a member of OSU_Press_Embargo,
// which is a member of: COLLECTION_24_ADMIN, COLLECTION_24_SUBMIT
Collection[] group2GroupToCollection = findGroup2GroupMapped(context, actionID);
for (int i = 0; i< group2GroupToCollection.length; i++)
{
if(!myResults.contains(group2GroupToCollection[i]))
{
myResults.add(group2GroupToCollection[i]);
}
}
//TODO Check eperson->groups->groups->policy->community
//TODO Check eperson->groups->policy->community
// i.e. Typical Community Admin -- name.# > COMMUNITY_10_ADMIN > Ohio State University Press
//Check eperson->comm-admin
// Return the collections, sorted alphabetically
Collections.sort(myResults, new CollectionComparator());
Collection[] myCollections = new Collection[myResults.size()];
myCollections = (Collection[]) myResults.toArray(myCollections);
return myCollections;
}
/**
@@ -1609,4 +1669,116 @@ public class Collection extends DSpaceObject
ourContext.addEvent(new Event(Event.MODIFY, Constants.COLLECTION,
getID(), null, getIdentifiers(ourContext)));
}
//TODO replace hard-coded action_id's with constants...
public static Collection[] findDirectMapped(Context context, int actionID) throws java.sql.SQLException
{
//eperson_id -> resourcepolicy.eperson_id
TableRowIterator tri = DatabaseManager.query(context,
"SELECT * FROM collection, resourcepolicy, eperson " +
"WHERE resourcepolicy.resource_id = collection.collection_id AND " +
"eperson.eperson_id = resourcepolicy.eperson_id AND "+
"resourcepolicy.resource_type_id = 3 AND "+
"( resourcepolicy.action_id = 3 OR resourcepolicy.action_id = 11 ) AND "+
"eperson.eperson_id = ?", context.getCurrentUser().getID());
return produceCollectionsFromQuery(context, tri);
}
public static Collection[] findGroupMapped(Context context, int actionID) throws java.sql.SQLException
{
//eperson_id -> resourcepolicy.eperson_id
TableRowIterator tri = DatabaseManager.query(context,
"SELECT * FROM collection, resourcepolicy, eperson, epersongroup2eperson " +
"WHERE resourcepolicy.resource_id = collection.collection_id AND "+
"eperson.eperson_id = epersongroup2eperson.eperson_id AND "+
"epersongroup2eperson.eperson_group_id = resourcepolicy.epersongroup_id AND "+
"resourcepolicy.resource_type_id = 3 AND "+
"( resourcepolicy.action_id = 3 OR resourcepolicy.action_id = 11 ) AND "+
"eperson.eperson_id = ?", context.getCurrentUser().getID());
return produceCollectionsFromQuery(context, tri);
}
public static Collection[] findGroup2GroupMapped(Context context, int actionID) throws SQLException {
TableRowIterator tri = DatabaseManager.query(context,
"SELECT \n" +
" * \n" +
"FROM \n" +
" public.eperson, \n" +
" public.epersongroup2eperson, \n" +
" public.epersongroup, \n" +
" public.group2group, \n" +
" public.resourcepolicy rp_parent, \n" +
" public.collection\n" +
"WHERE \n" +
" epersongroup2eperson.eperson_id = eperson.eperson_id AND\n" +
" epersongroup.eperson_group_id = epersongroup2eperson.eperson_group_id AND\n" +
" group2group.child_id = epersongroup.eperson_group_id AND\n" +
" rp_parent.epersongroup_id = group2group.parent_id AND\n" +
" collection.collection_id = rp_parent.resource_id AND\n" +
" eperson.eperson_id = ? AND \n" +
" (rp_parent.action_id = 3 OR \n" +
" rp_parent.action_id = 11 \n" +
" ) AND rp_parent.resource_type_id = 3;", context.getCurrentUser().getID());
return produceCollectionsFromQuery(context, tri);
}
public static Collection[] findGroup2CommunityMapped(Context context) throws SQLException {
TableRowIterator tri = DatabaseManager.query(context,
"SELECT \n" +
" * \n" +
"FROM \n" +
" public.eperson, \n" +
" public.epersongroup2eperson, \n" +
" public.epersongroup, \n" +
" public.community, \n" +
" public.resourcepolicy\n" +
"WHERE \n" +
" epersongroup2eperson.eperson_id = eperson.eperson_id AND\n" +
" epersongroup.eperson_group_id = epersongroup2eperson.eperson_group_id AND\n" +
" resourcepolicy.epersongroup_id = epersongroup.eperson_group_id AND\n" +
" resourcepolicy.resource_id = community.community_id AND\n" +
" ( resourcepolicy.action_id = 3 OR \n" +
" resourcepolicy.action_id = 11) AND \n" +
" resourcepolicy.resource_type_id = 4 AND eperson.eperson_id = ?", context.getCurrentUser().getID());
return produceCollectionsFromCommunityQuery(context, tri);
}
public static class CollectionComparator implements Comparator<Collection> {
@Override
public int compare(Collection collection1, Collection collection2) {
return collection1.getName().compareTo(collection2.getName());
}
}
public static Collection[] produceCollectionsFromQuery(Context context, TableRowIterator tri) throws SQLException {
List<Collection> collections = new ArrayList<Collection>();
while(tri.hasNext()) {
TableRow row = tri.next();
Collection collection = Collection.find(context, row.getIntColumn("collection_id"));
collections.add(collection);
}
return collections.toArray(new Collection[0]);
}
public static Collection[] produceCollectionsFromCommunityQuery(Context context, TableRowIterator tri) throws SQLException {
List<Collection> collections = new ArrayList<Collection>();
while(tri.hasNext()) {
TableRow commRow = tri.next();
Community community = Community.find(context, commRow.getIntColumn("community_id"));
Collection[] comCollections = community.getCollections();
for(Collection collection : comCollections) {
collections.add(collection);
}
//ugh, handle that communities has subcommunities...
//TODO community.getAllCollections();
}
return collections.toArray(new Collection[0]);
}
}