[DS-3951] Send Request Copy email to multiple recipients, and some new recipient strategies

dspace-api/src/main/java/org/dspace/app/requestitem/CollectionAdministratorsRequestItemStrategy.java

@@ -0,0 +1,46 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+
+package org.dspace.app.requestitem;
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.dspace.content.Collection;
+import org.dspace.content.Item;
+import org.dspace.core.Context;
+import org.dspace.eperson.EPerson;
+import org.springframework.lang.NonNull;
+
+/**
+ * Derive request recipients from groups of the Collection which owns an Item.
+ * The list will include all members of the administrators group.  If the
+ * resulting list is empty, delegates to {@link RequestItemHelpdeskStrategy}.
+ *
+ * @author Mark H. Wood <mwood@iupui.edu>
+ */
+public class CollectionAdministratorsRequestItemStrategy
+        extends RequestItemHelpdeskStrategy {
+    @Override
+    @NonNull
+    public List<RequestItemAuthor> getRequestItemAuthor(Context context,
+            Item item)
+            throws SQLException {
+        List<RequestItemAuthor> recipients = new ArrayList<>();
+        Collection collection = item.getOwningCollection();
+        for (EPerson admin : collection.getAdministrators().getMembers()) {
+            recipients.add(new RequestItemAuthor(admin));
+        }
+        if (recipients.isEmpty()) {
+            return super.getRequestItemAuthor(context, item);
+        } else {
+            return recipients;
+        }
+    }
+}

dspace-api/src/main/java/org/dspace/app/requestitem/CombiningRequestItemStrategy.java

@@ -0,0 +1,61 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.app.requestitem;
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.dspace.content.Item;
+import org.dspace.core.Context;
+import org.springframework.lang.NonNull;
+import org.springframework.util.Assert;
+
+/**
+ * Assemble a list of recipients from the results of other strategies.
+ * The list of strategy classes is injected as the constructor argument
+ * {@code strategies}.
+ * If the strategy list is not configured, returns an empty List.
+ *
+ * @author Mark H. Wood <mwood@iupui.edu>
+ */
+public class CombiningRequestItemStrategy
+        implements RequestItemAuthorExtractor {
+    /** The strategies to combine. */
+    private final List<RequestItemAuthorExtractor> strategies;
+
+    /**
+     * Initialize a combination of strategies.
+     * @param strategies the author extraction strategies to combine.
+     */
+    public CombiningRequestItemStrategy(@NonNull List<RequestItemAuthorExtractor> strategies) {
+        Assert.notNull(strategies, "Strategy list may not be null");
+        this.strategies = strategies;
+    }
+
+    /**
+     * Do not call.
+     * @throws IllegalArgumentException always
+     */
+    private CombiningRequestItemStrategy() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    @NonNull
+    public List<RequestItemAuthor> getRequestItemAuthor(Context context, Item item)
+            throws SQLException {
+        List<RequestItemAuthor> recipients = new ArrayList<>();
+
+        for (RequestItemAuthorExtractor strategy : strategies) {
+            recipients.addAll(strategy.getRequestItemAuthor(context, item));
+        }
+
+        return recipients;
+    }
+}

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItem.java

@@ -27,7 +27,7 @@
 import org.dspace.core.ReloadableEntity;
 
 /**
- * Object representing an Item Request
+ * Object representing an Item Request.
  */
 @Entity
 @Table(name = "requestitem")
@@ -94,6 +94,9 @@ void setAllfiles(boolean allfiles) {
         this.allfiles = allfiles;
     }
 
+    /**
+     * @return {@code true} if all of the Item's files are requested.
+     */
     public boolean isAllfiles() {
         return allfiles;
     }
@@ -102,6 +105,9 @@ void setReqMessage(String reqMessage) {
         this.reqMessage = reqMessage;
     }
 
+    /**
+     * @return a message from the requester.
+     */
     public String getReqMessage() {
         return reqMessage;
     }
@@ -110,6 +116,9 @@ void setReqName(String reqName) {
         this.reqName = reqName;
     }
 
+    /**
+     * @return Human-readable name of the user requesting access.
+     */
     public String getReqName() {
         return reqName;
     }
@@ -118,6 +127,9 @@ void setReqEmail(String reqEmail) {
         this.reqEmail = reqEmail;
     }
 
+    /**
+     * @return address of the user requesting access.
+     */
     public String getReqEmail() {
         return reqEmail;
     }
@@ -126,6 +138,9 @@ void setToken(String token) {
         this.token = token;
     }
 
+    /**
+     * @return a unique request identifier which can be emailed.
+     */
     public String getToken() {
         return token;
     }

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItemAuthor.java

@@ -11,20 +11,31 @@
 
 /**
  * Simple DTO to transfer data about the corresponding author for the Request
- * Copy feature
+ * Copy feature.
  *
  * @author Andrea Bollini
  */
 public class RequestItemAuthor {
-    private String fullName;
-    private String email;
+    private final String fullName;
+    private final String email;
 
+    /**
+     * Construct an author record from given data.
+     *
+     * @param fullName the author's full name.
+     * @param email the author's email address.
+     */
     public RequestItemAuthor(String fullName, String email) {
         super();
         this.fullName = fullName;
         this.email = email;
     }
 
+    /**
+     * Construct an author from an EPerson's metadata.
+     *
+     * @param ePerson the EPerson.
+     */
     public RequestItemAuthor(EPerson ePerson) {
         super();
         this.fullName = ePerson.getFullName();

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItemAuthorExtractor.java

@@ -8,26 +8,28 @@
 package org.dspace.app.requestitem;
 
 import java.sql.SQLException;
+import java.util.List;
 
 import org.dspace.content.Item;
 import org.dspace.core.Context;
+import org.springframework.lang.NonNull;
 
 /**
- * Interface to abstract the strategy for select the author to contact for
- * request copy
+ * Interface to abstract the strategy for selecting the author to contact for
+ * request copy.
  *
  * @author Andrea Bollini
  */
 public interface RequestItemAuthorExtractor {
-
     /**
-     * Retrieve the auhtor to contact for a request copy of the give item.
+     * Retrieve the author to contact for requesting a copy of the given item.
      *
      * @param context DSpace context object
      * @param item item to request
-     * @return An object containing name an email address to send the request to
-     *         or null if no valid email address was found.
+     * @return Names and email addresses to send the request to.
      * @throws SQLException if database error
      */
-    public RequestItemAuthor getRequestItemAuthor(Context context, Item item) throws SQLException;
+    @NonNull
+    public List<RequestItemAuthor> getRequestItemAuthor(Context context, Item item)
+        throws SQLException;
 }

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItemEmailNotifier.java

@@ -72,28 +72,48 @@ private RequestItemEmailNotifier() {}
     static public void sendRequest(Context context, RequestItem ri, String responseLink)
             throws IOException, SQLException {
         // Who is making this request?
-        RequestItemAuthor author = requestItemAuthorExtractor
+        List<RequestItemAuthor> authors = requestItemAuthorExtractor
                 .getRequestItemAuthor(context, ri.getItem());
-        String authorEmail = author.getEmail();
-        String authorName = author.getFullName();
 
         // Build an email to the approver.
         Email email = Email.getEmail(I18nUtil.getEmailFilename(context.getCurrentLocale(),
                 "request_item.author"));
-        email.addRecipient(authorEmail);
+        for (RequestItemAuthor author : authors) {
+            email.addRecipient(author.getEmail());
+        }
         email.setReplyTo(ri.getReqEmail()); // Requester's address
+
         email.addArgument(ri.getReqName()); // {0} Requester's name
+
         email.addArgument(ri.getReqEmail()); // {1} Requester's address
+
         email.addArgument(ri.isAllfiles() // {2} All bitstreams or just one?
             ? I18nUtil.getMessage("itemRequest.all") : ri.getBitstream().getName());
-        email.addArgument(handleService.getCanonicalForm(ri.getItem().getHandle()));
+
+        email.addArgument(handleService.getCanonicalForm(ri.getItem().getHandle())); // {3}
+
         email.addArgument(ri.getItem().getName()); // {4} requested item's title
+
         email.addArgument(ri.getReqMessage()); // {5} message from requester
+
         email.addArgument(responseLink); // {6} Link back to DSpace for action
-        email.addArgument(authorName); // {7} corresponding author name
-        email.addArgument(authorEmail); // {8} corresponding author email
-        email.addArgument(configurationService.getProperty("dspace.name"));
-        email.addArgument(configurationService.getProperty("mail.helpdesk"));
+
+        StringBuilder names = new StringBuilder();
+        StringBuilder addresses = new StringBuilder();
+        for (RequestItemAuthor author : authors) {
+            if (names.length() > 0) {
+                names.append("; ");
+                addresses.append("; ");
+            }
+            names.append(author.getFullName());
+            addresses.append(author.getEmail());
+        }
+        email.addArgument(names.toString()); // {7} corresponding author name
+        email.addArgument(addresses.toString()); // {8} corresponding author email
+
+        email.addArgument(configurationService.getProperty("dspace.name")); // {9}
+
+        email.addArgument(configurationService.getProperty("mail.helpdesk")); // {10}
 
         // Send the email.
         try {

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItemHelpdeskStrategy.java

@@ -8,6 +8,8 @@
 package org.dspace.app.requestitem;
 
 import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
 import org.dspace.content.Item;
@@ -16,11 +18,11 @@
 import org.dspace.eperson.EPerson;
 import org.dspace.eperson.service.EPersonService;
 import org.dspace.services.ConfigurationService;
-import org.dspace.services.factory.DSpaceServicesFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.lang.NonNull;
 
 /**
- * RequestItem strategy to allow DSpace support team's helpdesk to receive requestItem request
+ * RequestItem strategy to allow DSpace support team's helpdesk to receive requestItem request.
  * With this enabled, then the Item author/submitter doesn't receive the request, but the helpdesk instead does.
  *
  * Failover to the RequestItemSubmitterStrategy, which means the submitter would get the request if there is no
@@ -33,19 +35,24 @@ public class RequestItemHelpdeskStrategy extends RequestItemSubmitterStrategy {
     @Autowired(required = true)
     protected EPersonService ePersonService;
 
+    @Autowired(required = true)
+    private ConfigurationService configuration;
+
     public RequestItemHelpdeskStrategy() {
     }
 
     @Override
-    public RequestItemAuthor getRequestItemAuthor(Context context, Item item) throws SQLException {
-        ConfigurationService configurationService
-                = DSpaceServicesFactory.getInstance().getConfigurationService();
-        boolean helpdeskOverridesSubmitter = configurationService
+    @NonNull
+    public List<RequestItemAuthor> getRequestItemAuthor(Context context, Item item)
+            throws SQLException {
+        boolean helpdeskOverridesSubmitter = configuration
             .getBooleanProperty("request.item.helpdesk.override", false);
-        String helpDeskEmail = configurationService.getProperty("mail.helpdesk");
+        String helpDeskEmail = configuration.getProperty("mail.helpdesk");
 
         if (helpdeskOverridesSubmitter && StringUtils.isNotBlank(helpDeskEmail)) {
-            return getHelpDeskPerson(context, helpDeskEmail);
+            List<RequestItemAuthor> authors = new ArrayList<>(1);
+            authors.add(getHelpDeskPerson(context, helpDeskEmail));
+            return authors;
         } else {
             //Fallback to default logic (author of Item) if helpdesk isn't fully enabled or setup
             return super.getRequestItemAuthor(context, item);