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CCM NG/ccm-cms FolderBrowser: Link for deleting empty folders now shows up. 

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4589 8810af33-2d31-482b-a856-94f89814c4df
pull/2/head
jensp 2017-02-22 09:45:48 +00:00
parent d4f2daa78a
commit 6b03595360
3 changed files with 198 additions and 143 deletions
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6
ccm-cms/src/main/java/com/arsdigita/cms/ui/folder/FolderBrowserController.java
View File

@ -21,6 +21,7 @@ package com.arsdigita.cms.ui.folder;
import com.arsdigita.kernel.KernelConfig; import com.arsdigita.kernel.KernelConfig;
import org.libreccm.categorization.Categorization; import org.libreccm.categorization.Categorization;
import org.libreccm.categorization.CategoryManager;
import org.libreccm.configuration.ConfigurationManager; import org.libreccm.configuration.ConfigurationManager;
import org.libreccm.core.CcmObject; import org.libreccm.core.CcmObject;
import org.libreccm.core.CcmObjectRepository; import org.libreccm.core.CcmObjectRepository;
@ -71,6 +72,9 @@ public class FolderBrowserController {
@Inject @Inject
private EntityManager entityManager; private EntityManager entityManager;
@Inject
private CategoryManager categoryManager;
@Inject @Inject
private CcmObjectRepository objectRepo; private CcmObjectRepository objectRepo;
@ -326,6 +330,8 @@ public class FolderBrowserController {
row.setTitle(folder.getTitle().getValue(defaultLocale)); row.setTitle(folder.getTitle().getValue(defaultLocale));
} }
row.setFolder(true); row.setFolder(true);
row.setDeletable(!categoryManager.hasSubCategories(folder)
&& !categoryManager.hasObjects(folder));
return row; return row;
} }

15
ccm-core/src/main/java/org/libreccm/categorization/Category.java
View File

@ -78,14 +78,25 @@ import javax.xml.bind.annotation.XmlRootElement;
@NamedQuery( @NamedQuery(
name = "Category.findByName", name = "Category.findByName",
query = "SELECT c FROM Category c WHERE c.name = :name") query = "SELECT c FROM Category c WHERE c.name = :name")
,
@NamedQuery(
name = "Category.hasObjects",
query = "SELECT (CASE WHEN COUNT(c) > 0 THEN true ELSE false END) "
+ "FROM Categorization c "
+ "WHERE c.category = :category")
,
@NamedQuery(
name = "Category.hasSubCategories",
query = "SELECT (CASE WHEN COUNT(c) > 0 THEN true ELSE false END) "
+ "FROM Category c "
+ "WHERE c.parentCategory = :category")
}) })
@NamedEntityGraphs({ @NamedEntityGraphs({
@NamedEntityGraph( @NamedEntityGraph(
name = "Category.withSubCategoriesAndObjects", name = "Category.withSubCategoriesAndObjects",
attributeNodes = { attributeNodes = {
@NamedAttributeNode(value = "subCategories" @NamedAttributeNode(value = "subCategories"
), ),}
}
) )
}) })
@XmlRootElement(name = "category", namespace = CAT_XML_NS) @XmlRootElement(name = "category", namespace = CAT_XML_NS)

320
ccm-core/src/main/java/org/libreccm/categorization/CategoryManager.java
View File

@ -53,7 +53,7 @@ import javax.transaction.Transactional;
public class CategoryManager { public class CategoryManager {
private static final Logger LOGGER = LogManager.getLogger( private static final Logger LOGGER = LogManager.getLogger(
CategoryManager.class); CategoryManager.class);
/** /**
* A {@link CategoryRepository} instance used to interact with the database. * A {@link CategoryRepository} instance used to interact with the database.
@ -85,17 +85,17 @@ public class CategoryManager {
* {@code null} an {@link IllegalArgumentException} is thrown because * {@code null} an {@link IllegalArgumentException} is thrown because
* passing {@code null} to this method indicates a programming error. * passing {@code null} to this method indicates a programming error.
* *
* @param object The object to assign to the category. Can never be * @param object The object to assign to the category. Can never be
* {@code null}. * {@code null}.
* @param category The category to which the object should be assigned. Can * @param category The category to which the object should be assigned. Can
* never be {@code null}. * never be {@code null}.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void addObjectToCategory( public void addObjectToCategory(
final CcmObject object, final CcmObject object,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS)
final Category category) { final Category category) {
addObjectToCategory(object, category, null); addObjectToCategory(object, category, null);
} }
@ -112,28 +112,28 @@ public class CategoryManager {
* {@code null} an {@link IllegalArgumentException} is thrown because * {@code null} an {@link IllegalArgumentException} is thrown because
* passing {@code null} to this method indicates a programming error. * passing {@code null} to this method indicates a programming error.
* *
* @param object The object to assign to the category. Can never be * @param object The object to assign to the category. Can never be
* {@code null}. * {@code null}.
* @param category The category to which the object should be assigned. Can * @param category The category to which the object should be assigned. Can
* never be {@code null}. * never be {@code null}.
* @param type Type of the categorisation. * @param type Type of the categorisation.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void addObjectToCategory( public void addObjectToCategory(
final CcmObject object, final CcmObject object,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS)
final Category category, final Category category,
final String type) { final String type) {
if (object == null) { if (object == null) {
throw new IllegalArgumentException( throw new IllegalArgumentException(
"Null can't be added to a category."); "Null can't be added to a category.");
} }
if (category == null) { if (category == null) {
throw new IllegalArgumentException( throw new IllegalArgumentException(
"Can't add an object to category 'null'."); "Can't add an object to category 'null'.");
} }
final Categorization categorization = new Categorization(); final Categorization categorization = new Categorization();
@ -158,13 +158,39 @@ public class CategoryManager {
}); });
} }
public boolean hasSubCategories(final Category category) {
Objects.requireNonNull(
category,
"Can't determine if Category null has sub categories.");
final TypedQuery<Boolean> query = entityManager.createNamedQuery(
"Category.hasSubCategories", Boolean.class);
query.setParameter("category", category);
return query.getSingleResult();
}
public boolean hasObjects(final Category category) {
Objects.requireNonNull(category,
"Can't determine if category null has objects.");
final TypedQuery<Boolean> query = entityManager.createNamedQuery(
"Category.hasObjects", Boolean.class);
query.setParameter("category", category);
return query.getSingleResult();
}
/** /**
* Check if an object is assigned to a category. * Check if an object is assigned to a category.
* *
* @param category The category * @param category The category
* @param object The object * @param object The object
*
* @return {@code true} if the provided {@code object} is assigned to the * @return {@code true} if the provided {@code object} is assigned to the
* provided {@code category}, {@code false} otherwise. * provided {@code category}, {@code false} otherwise.
*/ */
public boolean isAssignedToCategory(final Category category, public boolean isAssignedToCategory(final Category category,
final CcmObject object) { final CcmObject object) {
@ -172,7 +198,7 @@ public class CategoryManager {
Objects.requireNonNull(object); Objects.requireNonNull(object);
final TypedQuery<Boolean> query = entityManager.createNamedQuery( final TypedQuery<Boolean> query = entityManager.createNamedQuery(
"Categorization.isAssignedTo", Boolean.class); "Categorization.isAssignedTo", Boolean.class);
query.setParameter("category", category); query.setParameter("category", category);
query.setParameter("object", object); query.setParameter("object", object);
@ -186,11 +212,12 @@ public class CategoryManager {
* {@link #isAssignedToCategory(org.libreccm.categorization.Category, org.libreccm.core.CcmObject)}. * {@link #isAssignedToCategory(org.libreccm.categorization.Category, org.libreccm.core.CcmObject)}.
* *
* @param category The category * @param category The category
* @param object The object * @param object The object
* @param type The type with which the object has been assigned to the * @param type The type with which the object has been assigned to the
* category. the type may be {@code null}. * category. the type may be {@code null}.
*
* @return {@code true} if the provided {@code object} is assigned to the * @return {@code true} if the provided {@code object} is assigned to the
* provided {@code category} using the provided {@code type}. * provided {@code category} using the provided {@code type}.
*/ */
public boolean isAssignedToCategoryWithType(final Category category, public boolean isAssignedToCategoryWithType(final Category category,
final CcmObject object, final CcmObject object,
@ -199,7 +226,7 @@ public class CategoryManager {
Objects.requireNonNull(object); Objects.requireNonNull(object);
final TypedQuery<Boolean> query = entityManager.createNamedQuery( final TypedQuery<Boolean> query = entityManager.createNamedQuery(
"Categorization.isAssignedTo", Boolean.class); "Categorization.isAssignedTo", Boolean.class);
query.setParameter("category", category); query.setParameter("category", category);
query.setParameter("object", object); query.setParameter("object", object);
query.setParameter("type", type); query.setParameter("type", type);
@ -218,35 +245,35 @@ public class CategoryManager {
* because passing {@code null} to either parameter indicates a programming * because passing {@code null} to either parameter indicates a programming
* error. * error.
* *
* @param object The object to remove from the category. Can never be * @param object The object to remove from the category. Can never be
* {@code null}. * {@code null}.
* @param category The category from which the object should be removed. Can * @param category The category from which the object should be removed. Can
* never be {@code null}. * never be {@code null}.
* *
* @throws ObjectNotAssignedToCategoryException Thrown is the provided * @throws ObjectNotAssignedToCategoryException Thrown is the provided
* object is <em>not</em> * object is <em>not</em>
* assigned to the provided category. * assigned to the provided category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void removeObjectFromCategory( public void removeObjectFromCategory(
final CcmObject object, final CcmObject object,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS)
final Category category) final Category category)
throws ObjectNotAssignedToCategoryException { throws ObjectNotAssignedToCategoryException {
if (object == null) { if (object == null) {
throw new IllegalArgumentException( throw new IllegalArgumentException(
"Can't remove object 'null' from a category"); "Can't remove object 'null' from a category");
} }
if (category == null) { if (category == null) {
throw new IllegalArgumentException( throw new IllegalArgumentException(
"Can't remove an object from category 'null'"); "Can't remove an object from category 'null'");
} }
final TypedQuery<Categorization> query = entityManager.createNamedQuery( final TypedQuery<Categorization> query = entityManager.createNamedQuery(
"Categorization.find", Categorization.class); "Categorization.find", Categorization.class);
query.setParameter("category", category); query.setParameter("category", category);
query.setParameter("object", object); query.setParameter("object", object);
@ -255,10 +282,10 @@ public class CategoryManager {
categorization = query.getSingleResult(); categorization = query.getSingleResult();
} catch (NoResultException ex) { } catch (NoResultException ex) {
LOGGER.warn(String.format( LOGGER.warn(String.format(
"No categorization for category %s and object %s found." "No categorization for category %s and object %s found."
+ "Ignoring. Orginal exception: ", + "Ignoring. Orginal exception: ",
category.toString(), category.toString(),
object.toString()), object.toString()),
ex); ex);
return; return;
} }
@ -289,21 +316,22 @@ public class CategoryManager {
* The value of the {@code order} property of the object after the provided * The value of the {@code order} property of the object after the provided
* is decreased by one. Effectively the two objects are swapped. * is decreased by one. Effectively the two objects are swapped.
* *
* @param object The object which {@code order} property is decreased. Can't * @param object The object which {@code order} property is decreased.
* be {@code null}. * Can't be {@code null}.
* @param category The category to which the object is assigned. Can't be * @param category The category to which the object is assigned. Can't be
* {@code null}. * {@code null}.
* *
* @throws ObjectNotAssignedToCategoryException Throws if the provided * @throws ObjectNotAssignedToCategoryException Throws if the provided
* object is not assigned to the provided category. * object is not assigned to
* the provided category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void increaseObjectOrder( public void increaseObjectOrder(
final CcmObject object, final CcmObject object,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS)
final Category category) final Category category)
throws ObjectNotAssignedToCategoryException { throws ObjectNotAssignedToCategoryException {
if (object == null) { if (object == null) {
throw new IllegalArgumentException("The object can't be null."); throw new IllegalArgumentException("The object can't be null.");
@ -319,7 +347,7 @@ public class CategoryManager {
Categorization current = null; Categorization current = null;
int index = 0; int index = 0;
final List<Categorization> objects = new ArrayList<>(category final List<Categorization> objects = new ArrayList<>(category
.getObjects()); .getObjects());
objects.sort((o1, o2) -> { objects.sort((o1, o2) -> {
return Long.compare(o1.getObjectOrder(), o2.getObjectOrder()); return Long.compare(o1.getObjectOrder(), o2.getObjectOrder());
}); });
@ -342,10 +370,10 @@ public class CategoryManager {
if (categorization == null) { if (categorization == null) {
//Object is not part of the category. //Object is not part of the category.
throw new ObjectNotAssignedToCategoryException(String.format( throw new ObjectNotAssignedToCategoryException(String.format(
"The object %s is not assigned to the category %s (UUID: %s).", "The object %s is not assigned to the category %s (UUID: %s).",
object.getUuid(), object.getUuid(),
category.getName(), category.getName(),
category.getUuid())); category.getUuid()));
} }
final long order = categorization.getObjectOrder(); final long order = categorization.getObjectOrder();
@ -362,21 +390,22 @@ public class CategoryManager {
* The value of the {@code order} property of the object before the provided * The value of the {@code order} property of the object before the provided
* is increased by one. Effectively the two objects are swapped. * is increased by one. Effectively the two objects are swapped.
* *
* @param object The object which {@code order} property is decreased. Can't * @param object The object which {@code order} property is decreased.
* be {@code null}. * Can't be {@code null}.
* @param category The category to which the object is assigned. Can't be * @param category The category to which the object is assigned. Can't be
* {@code null}. * {@code null}.
* *
* @throws ObjectNotAssignedToCategoryException Throws if the provided * @throws ObjectNotAssignedToCategoryException Throws if the provided
* object is not assigned to the provided category. * object is not assigned to
* the provided category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void decreaseObjectOrder( public void decreaseObjectOrder(
final CcmObject object, final CcmObject object,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY_OBJECTS)
final Category category) final Category category)
throws ObjectNotAssignedToCategoryException { throws ObjectNotAssignedToCategoryException {
if (object == null) { if (object == null) {
throw new IllegalArgumentException("The object can't be null."); throw new IllegalArgumentException("The object can't be null.");
@ -392,7 +421,7 @@ public class CategoryManager {
Categorization current = null; Categorization current = null;
int index = 0; int index = 0;
final List<Categorization> objects = new ArrayList<>(category final List<Categorization> objects = new ArrayList<>(category
.getObjects()); .getObjects());
objects.sort((o1, o2) -> { objects.sort((o1, o2) -> {
return Long.compare(o1.getObjectOrder(), o2.getObjectOrder()); return Long.compare(o1.getObjectOrder(), o2.getObjectOrder());
}); });
@ -415,10 +444,10 @@ public class CategoryManager {
if (categorization == null) { if (categorization == null) {
//Object is not part of the category. //Object is not part of the category.
throw new ObjectNotAssignedToCategoryException(String.format( throw new ObjectNotAssignedToCategoryException(String.format(
"The object %s is not assigned to the category %s (UUID: %s).", "The object %s is not assigned to the category %s (UUID: %s).",
object.getUuid(), object.getUuid(),
category.getName(), category.getName(),
category.getUuid())); category.getUuid()));
} }
final long order = categorization.getObjectOrder(); final long order = categorization.getObjectOrder();
@ -435,13 +464,15 @@ public class CategoryManager {
* of the {@code order} property of the {@link Categorization} of the * of the {@code order} property of the {@link Categorization} of the
* provided objects are swapped. * provided objects are swapped.
* *
* @param objectA Th first object. Can't be {@code null}. * @param objectA Th first object. Can't be {@code null}.
* @param objectB The second object. Can't be {@code null}. * @param objectB The second object. Can't be {@code null}.
* @param category Can't be {@code null}. The category to which both objects * @param category Can't be {@code null}. The category to which both objects
* are assigned. Can't be {@code null}. * are assigned. Can't be {@code null}.
* *
* @throws ObjectNotAssignedToCategoryException Thrown if one or both of the * @throws ObjectNotAssignedToCategoryException Thrown if one or both of the
* provided objects are not assigned to the provided category. * provided objects are not
* assigned to the provided
* category.
*/ */
// public void swapObjects(final CcmObject objectA, // public void swapObjects(final CcmObject objectA,
// final CcmObject objectB, // final CcmObject objectB,
@ -454,17 +485,17 @@ public class CategoryManager {
* Adds a category as an subcategory to another category. If the category is * Adds a category as an subcategory to another category. If the category is
* assigned to another category that association is removed. * assigned to another category that association is removed.
* *
* @param subCategory The category to add as subcategory. Can't be * @param subCategory The category to add as subcategory. Can't be
* {@code null}. * {@code null}.
* @param parentCategory The category to which the category is added as * @param parentCategory The category to which the category is added as
* subcategory. Can't be {@code null}. * subcategory. Can't be {@code null}.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void addSubCategoryToCategory( public void addSubCategoryToCategory(
final Category subCategory, final Category subCategory,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY)
final Category parentCategory) { final Category parentCategory) {
if (subCategory == null) { if (subCategory == null) {
throw new IllegalArgumentException("subCategory can't be null."); throw new IllegalArgumentException("subCategory can't be null.");
@ -474,21 +505,21 @@ public class CategoryManager {
} }
final Optional<Category> sub = categoryRepo.findById(subCategory final Optional<Category> sub = categoryRepo.findById(subCategory
.getObjectId()); .getObjectId());
final Optional<Category> parent = categoryRepo.findById(parentCategory final Optional<Category> parent = categoryRepo.findById(parentCategory
.getObjectId()); .getObjectId());
if (!sub.isPresent()) { if (!sub.isPresent()) {
throw new IllegalArgumentException(String.format( throw new IllegalArgumentException(String.format(
"The provided category to add as sub category {} was not found " "The provided category to add as sub category {} was not found "
+ "in the database.", + "in the database.",
subCategory.toString())); subCategory.toString()));
} }
if (!parent.isPresent()) { if (!parent.isPresent()) {
throw new IllegalArgumentException(String.format( throw new IllegalArgumentException(String.format(
"The category {} provided as parent category was not found in " "The category {} provided as parent category was not found in "
+ "the database.", + "the database.",
parentCategory.toString())); parentCategory.toString()));
} }
if (sub.get().getParentCategory() != null) { if (sub.get().getParentCategory() != null) {
@ -512,26 +543,27 @@ public class CategoryManager {
* assigned to another parent category (or as root category to a * assigned to another parent category (or as root category to a
* {@link Domain} the category becomes orphaned. * {@link Domain} the category becomes orphaned.
* *
* @param subCategory The subcategory to remove from the parent category. * @param subCategory The subcategory to remove from the parent category.
* Can't be {@code null}. * Can't be {@code null}.
* @param parentCategory The parent category. Can't be {@code null}. * @param parentCategory The parent category. Can't be {@code null}.
* *
* @throws IllegalArgumentException If the provided subcategory is not * @throws IllegalArgumentException If the provided subcategory is not
* assigned to the provided parent category. * assigned to the provided parent
* category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void removeSubCategoryFromCategory( public void removeSubCategoryFromCategory(
final Category subCategory, final Category subCategory,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY)
final Category parentCategory) { final Category parentCategory) {
if (subCategory.getParentCategory() == null if (subCategory.getParentCategory() == null
|| !subCategory.getParentCategory().equals(parentCategory)) { || !subCategory.getParentCategory().equals(parentCategory)) {
throw new IllegalArgumentException(String.format( throw new IllegalArgumentException(String.format(
"Category %s is not a subcategory of category %s.", "Category %s is not a subcategory of category %s.",
subCategory.toString(), subCategory.toString(),
parentCategory.toString())); parentCategory.toString()));
} }
parentCategory.removeSubCategory(subCategory); parentCategory.removeSubCategory(subCategory);
@ -555,20 +587,21 @@ public class CategoryManager {
* objects is decreased by one. If the object is the last one this method * objects is decreased by one. If the object is the last one this method
* has not effect. * has not effect.
* *
* @param subCategory The category which order property is increased. Can't * @param subCategory The category which order property is increased.
* be {@code null}. * Can't be {@code null}.
* @param parentCategory The parent category of the category. Can't be * @param parentCategory The parent category of the category. Can't be
* {@code null}. * {@code null}.
* *
* @throws IllegalArgumentException If the provided subcategory is not a * @throws IllegalArgumentException If the provided subcategory is not a
* subcategory of the provided parent category. * subcategory of the provided parent
* category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void increaseCategoryOrder( public void increaseCategoryOrder(
final Category subCategory, final Category subCategory,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY)
final Category parentCategory) { final Category parentCategory) {
if (parentCategory == null) { if (parentCategory == null) {
throw new IllegalArgumentException("parentCategory can't be null."); throw new IllegalArgumentException("parentCategory can't be null.");
@ -581,7 +614,7 @@ public class CategoryManager {
boolean found = false; boolean found = false;
int index = 0; int index = 0;
final List<Category> subCategories = new ArrayList<>(parentCategory final List<Category> subCategories = new ArrayList<>(parentCategory
.getSubCategories()); .getSubCategories());
subCategories.sort((c1, c2) -> { subCategories.sort((c1, c2) -> {
return Long.compare(c1.getCategoryOrder(), c2.getCategoryOrder()); return Long.compare(c1.getCategoryOrder(), c2.getCategoryOrder());
}); });
@ -595,12 +628,12 @@ public class CategoryManager {
if (!found) { if (!found) {
throw new IllegalArgumentException(String.format( throw new IllegalArgumentException(String.format(
"The category %s (UUID: %s) is not a subcategory of the " "The category %s (UUID: %s) is not a subcategory of the "
+ "category %s (UUID: %s)", + "category %s (UUID: %s)",
subCategory.getName(), subCategory.getName(),
subCategory.getUuid(), subCategory.getUuid(),
parentCategory.getName(), parentCategory.getName(),
parentCategory.getUuid())); parentCategory.getUuid()));
} }
final Category nextCategory; final Category nextCategory;
@ -629,20 +662,21 @@ public class CategoryManager {
* preceeding objects is increased by one. If the object is the last one * preceeding objects is increased by one. If the object is the last one
* this method has not effect. * this method has not effect.
* *
* @param subCategory The category which order property is increased. Can't * @param subCategory The category which order property is increased.
* be {@code null}. * Can't be {@code null}.
* @param parentCategory The parent category of the category. Can't be * @param parentCategory The parent category of the category. Can't be
* {@code null}. * {@code null}.
* *
* @throws IllegalArgumentException If the provided subcategory is not a * @throws IllegalArgumentException If the provided subcategory is not a
* subcategory of the provided parent category. * subcategory of the provided parent
* category.
*/ */
@AuthorizationRequired @AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void decreaseCategoryOrder( public void decreaseCategoryOrder(
final Category subCategory, final Category subCategory,
@RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY) @RequiresPrivilege(PRIVILEGE_MANAGE_CATEGORY)
final Category parentCategory) { final Category parentCategory) {
if (parentCategory == null) { if (parentCategory == null) {
throw new IllegalArgumentException("parentCategory can't be null."); throw new IllegalArgumentException("parentCategory can't be null.");
@ -655,7 +689,7 @@ public class CategoryManager {
boolean found = false; boolean found = false;
int index = 0; int index = 0;
final List<Category> subCategories = new ArrayList<>(parentCategory final List<Category> subCategories = new ArrayList<>(parentCategory
.getSubCategories()); .getSubCategories());
subCategories.sort((c1, c2) -> { subCategories.sort((c1, c2) -> {
return Long.compare(c1.getCategoryOrder(), c2.getCategoryOrder()); return Long.compare(c1.getCategoryOrder(), c2.getCategoryOrder());
}); });
@ -669,12 +703,12 @@ public class CategoryManager {
if (!found) { if (!found) {
throw new IllegalArgumentException(String.format( throw new IllegalArgumentException(String.format(
"The category %s (UUID: %s) is not a subcategory of the " "The category %s (UUID: %s) is not a subcategory of the "
+ "category %s (UUID: %s)", + "category %s (UUID: %s)",
subCategory.getName(), subCategory.getName(),
subCategory.getUuid(), subCategory.getUuid(),
parentCategory.getName(), parentCategory.getName(),
parentCategory.getUuid())); parentCategory.getUuid()));
} }
final Category prevCategory; final Category prevCategory;
@ -724,7 +758,7 @@ public class CategoryManager {
public boolean hasIndexObject(final Category category) { public boolean hasIndexObject(final Category category) {
final TypedQuery<Boolean> query = entityManager final TypedQuery<Boolean> query = entityManager
.createNamedQuery("Categorization.hasIndexObject", Boolean.class); .createNamedQuery("Categorization.hasIndexObject", Boolean.class);
query.setParameter("category", category); query.setParameter("category", category);
return query.getSingleResult(); return query.getSingleResult();
@ -736,15 +770,15 @@ public class CategoryManager {
* object! * object!
* *
* @param category The category of which the index object should be * @param category The category of which the index object should be
* retrieved. * retrieved.
* *
* @return An {@link Optional} containing the index object of the provided * @return An {@link Optional} containing the index object of the provided
* category if the category has an index object. * category if the category has an index object.
*/ */
public Optional<CcmObject> getIndexObject(final Category category) { public Optional<CcmObject> getIndexObject(final Category category) {
if (hasIndexObject(category)) { if (hasIndexObject(category)) {
final TypedQuery<CcmObject> query = entityManager.createNamedQuery( final TypedQuery<CcmObject> query = entityManager.createNamedQuery(
"Categorization.findIndexObject", CcmObject.class); "Categorization.findIndexObject", CcmObject.class);
query.setParameter("category", category); query.setParameter("category", category);
return Optional.of(query.getSingleResult()); return Optional.of(query.getSingleResult());
@ -762,15 +796,18 @@ public class CategoryManager {
* {@code true} for this categorisation. * {@code true} for this categorisation.
* *
* @param category The category whose index object is set or changed. * @param category The category whose index object is set or changed.
* @param object The new index object for the category. The object must be * @param object The new index object for the category. The object must be
* assigned to the category. * assigned to the category.
*
* @throws ObjectNotAssignedToCategoryException If the provided * @throws ObjectNotAssignedToCategoryException If the provided
* {@code object} is not assigned to the provided {@code category}. * {@code object} is not
* assigned to the provided
* {@code category}.
*/ */
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void setIndexObject(final Category category, public void setIndexObject(final Category category,
final CcmObject object) final CcmObject object)
throws ObjectNotAssignedToCategoryException { throws ObjectNotAssignedToCategoryException {
Objects.requireNonNull(category); Objects.requireNonNull(category);
Objects.requireNonNull(object); Objects.requireNonNull(object);
@ -779,10 +816,10 @@ public class CategoryManager {
// category. // category.
if (!isAssignedToCategory(category, object)) { if (!isAssignedToCategory(category, object)) {
throw new ObjectNotAssignedToCategoryException(String.format( throw new ObjectNotAssignedToCategoryException(String.format(
"The provided object %s is not assigned to the provided category %s " "The provided object %s is not assigned to the provided category %s "
+ "and can therefore not be an index object of the category.", + "and can therefore not be an index object of the category.",
Objects.toString(category), Objects.toString(category),
Objects.toString(object))); Objects.toString(object)));
} }
// If the category has already an index object we need to reset the // If the category has already an index object we need to reset the
@ -793,7 +830,7 @@ public class CategoryManager {
// Now find the categorization for the provided object and set // Now find the categorization for the provided object and set
// index = true // index = true
final TypedQuery<Categorization> query = entityManager.createNamedQuery( final TypedQuery<Categorization> query = entityManager.createNamedQuery(
"Categorization.find", Categorization.class); "Categorization.find", Categorization.class);
query.setParameter("category", category); query.setParameter("category", category);
query.setParameter("object", object); query.setParameter("object", object);
@ -802,13 +839,13 @@ public class CategoryManager {
categorization = query.getSingleResult(); categorization = query.getSingleResult();
} catch (NoResultException ex) { } catch (NoResultException ex) {
throw new ObjectNotAssignedToCategoryException(String.format( throw new ObjectNotAssignedToCategoryException(String.format(
"Strange. The previous check if the provided object %s is " "Strange. The previous check if the provided object %s is "
+ "assigned to the provided category %s returned " + "assigned to the provided category %s returned "
+ "true, but the query for the categorization " + "true, but the query for the categorization "
+ "object returned no result. This should not happen. " + "object returned no result. This should not happen. "
+ "Please report a bug.", + "Please report a bug.",
Objects.toString(object), Objects.toString(object),
Objects.toString(category)), Objects.toString(category)),
ex); ex);
} }
@ -828,12 +865,13 @@ public class CategoryManager {
@Transactional(Transactional.TxType.REQUIRED) @Transactional(Transactional.TxType.REQUIRED)
public void resetIndexObject(final Category category) { public void resetIndexObject(final Category category) {
final TypedQuery<Categorization> query = entityManager.createNamedQuery( final TypedQuery<Categorization> query = entityManager.createNamedQuery(
"Categorization.findIndexObjectCategorization", "Categorization.findIndexObjectCategorization",
Categorization.class); Categorization.class);
query.setParameter("category", category); query.setParameter("category", category);
final List<Categorization> result = query.getResultList(); final List<Categorization> result = query.getResultList();
result.forEach(categorization -> categorization.setIndex(false)); result.forEach(categorization -> categorization.setIndex(false));
result.forEach(categorization -> entityManager.merge(categorization)); result.forEach(categorization -> entityManager.merge(categorization));
} }
} }