added community admin "Send E-Mail To All Members" menu option

src/com/silverwrist/venice/core/CommunityContext.java

@@ -179,4 +179,8 @@ public interface CommunityContext extends SearchMode
 
   public abstract SecurityInfo getSecurityInfo();
 
+  public abstract boolean canMassMail();
+
+  public abstract void massMail(String subject, String text) throws AccessError, DataException;
+
 } // end interface CommunityContext

src/com/silverwrist/venice/core/impl/CommunityCoreData.java

@@ -1821,6 +1821,51 @@ class CommunityCoreData implements CommunityData, CommunityDataBackend
 
   } // end setProperties
 
+  public List getMassMailList() throws DataException
+  {
+    if (logger.isDebugEnabled())
+      logger.debug("getMassMailList() for community " + cid);
+    if (deleted)
+      throw new DataException("This community has been deleted.");
+
+    Connection conn = null;          // database connection
+    ArrayList rc = new ArrayList();  // return from this function
+
+    try
+    { // get a database connection
+      conn = env.getConnection();
+      Statement stmt = conn.createStatement();
+
+      // create the SQL statement
+      StringBuffer sql =
+	  new StringBuffer("SELECT c.email FROM contacts c, users u, sigmember m "
+			   + "WHERE c.contactid = u.contactid AND u.uid = m.uid AND m.sigid = ");
+      sql.append(cid).append(" AND u.is_anon = 0;");
+      if (logger.isDebugEnabled())
+	logger.debug("SQL: " + sql.toString());
+
+      // execute the query and copy the results to the ArrayList
+      ResultSet rs = stmt.executeQuery(sql.toString());
+      while (rs.next())
+	rc.add(rs.getString(1));
+
+    } // end try
+    catch (SQLException e)
+    { // database error - this is a DataException
+      logger.error("DB error getting mailing list: " + e.getMessage(),e);
+      throw new DataException("unable to get community mailing list: " + e.getMessage(),e);
+
+    } // end catch
+    finally
+    { // make sure the connection is released before we go
+      env.releaseConnection(conn);
+
+    } // end finally
+
+    return rc;
+
+  } // end getMassMailList
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface CommunityDataBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/CommunityUserContextImpl.java

@@ -1360,6 +1360,33 @@ class CommunityUserContextImpl implements CommunityContext, CommunityBackend
 
   } // end getSecurityInfo
 
+  public boolean canMassMail()
+  {
+    return env.testPermission("Community.MassMail");
+
+  } // end canMassMail
+
+  public void massMail(String subject, String text) throws AccessError, DataException
+  {
+    if (!(env.testPermission("Community.MassMail")))
+    { // no can do, man!
+      logger.error("user not permitted to modify the community's information");
+      throw new AccessError("You are not permitted to send E-mail to all community members.");
+      
+    } // end if
+
+    // get the mailing list
+    List mail_list = getData().getMassMailList();
+    if (mail_list.size()>0)
+    { // send the mail in the background!
+      MailerAgent agent = new MailerAgent(env,env.getUser().realUserName(),env.getUser().realEmailAddress(),
+					  mail_list,subject,text);
+      agent.start();
+
+    } // end if
+
+  } // end massMail
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface CommunityBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/internals/CommunityData.java

@@ -158,4 +158,6 @@ public interface CommunityData
 
   public abstract void setProperties(CommunityProperties props) throws DataException;
 
+  public abstract List getMassMailList() throws DataException;
+
 } // end interface CommunityData

src/com/silverwrist/venice/servlets/CommunityAdmin.java

@@ -96,6 +96,15 @@ public class CommunityAdmin extends VeniceServlet
    *--------------------------------------------------------------------------------
    */
 
+  /* Command values for CommunityAdmin:
+   * A = Display Audit Records
+   * DEL = Delete Community
+   * F = Set Features/Services (not implemented yet)
+   * I = E-Mail to All Members
+   * M = Membership Control
+   * P = Edit Profile
+   * T = Set Category
+   */
   protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
 				      UserContext user, RenderData rdat)
       throws ServletException, IOException, VeniceServletResult
@@ -302,6 +311,20 @@ public class CommunityAdmin extends VeniceServlet
 
     } // end if ("A" command)
 
+    if (cmd.equals("I"))
+    { // "I" = "Send E-Mail To All Members"
+      if (!(comm.canMassMail()))
+      { // we can't send mass mail to the community, so what are we doing here?
+	logger.error("you can't mass-mail the community - not gonna do it, wouldn't be prudent");
+	return new ErrorBox("Access Error","You do not have permission to sent mass mail to this community.",
+			    on_error);
+
+      } // end if
+
+      return new CommunityEMail(comm);  // return the view object
+
+    } // end if ("I" command)
+
     if (cmd.equals("DEL"))
     { // "DEL" = "Delete Community" (requires a confirmation)
       if (!(comm.canDelete()))
@@ -587,6 +610,37 @@ public class CommunityAdmin extends VeniceServlet
 
     } // end if ("M" command)
 
+    if (cmd.equals("I"))
+    { // "I" - "Send E-Mail To Community"
+      if (!(comm.canMassMail()))
+      { // we can't send mass mail to the community, so what are we doing here?
+	logger.error("you can't mass-mail the community - not gonna do it, wouldn't be prudent");
+	return new ErrorBox("Access Error","You do not have permission to sent mass mail to this community.",
+			    on_error);
+
+      } // end if
+
+      try
+      { // attempt to do the mass mailing!
+	comm.massMail(request.getParameter("subj"),request.getParameter("pb"));
+
+      } // end try
+      catch (AccessError ae)
+      { // some sort of access error - display an error dialog
+	return new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+      } // end catch
+      catch (DataException de)
+      { // database error creating the conference
+	return new ErrorBox("Database Error","Database error getting mailing list: " + de.getMessage(),
+			    on_error);
+
+      } // end catch
+
+      throw new RedirectResult(on_error);  // bounce back to the menu
+
+    } // end if ("I" command)
+
     // on unknown command, redirect to the GET function
     return doVeniceGet(request,engine,user,rdat);
 

src/com/silverwrist/venice/servlets/format/CommunityAdminTop.java

@@ -36,6 +36,7 @@ public class CommunityAdminTop extends ContentMenuPanel
     addChoice("Set Community Category","sigadmin?sig=$s&cmd=T");
     addChoice("Set Community Features","sigadmin?sig=$s&cmd=F");
     addChoice("Membership Control","sigadmin?sig=$s&cmd=M");
+    addChoice("E-Mail To All Members","sigadmin?sig=$s&cmd=I");
     addChoice("Display Audit Records","sigadmin?sig=$s&cmd=A");
     // TODO: More options
     addChoice("Delete Community","sigadmin?sig=$s&cmd=DEL");

src/com/silverwrist/venice/servlets/format/CommunityEMail.java

@@ -0,0 +1,115 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.util.*;
+import javax.servlet.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.except.*;
+
+public class CommunityEMail implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.CommunityEMail";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private CommunityContext comm;        // the community we're in
+
+  /*--------------------------------------------------------------------------------
+   * Constructors
+   *--------------------------------------------------------------------------------
+   */
+
+  public CommunityEMail(CommunityContext comm)
+  {
+    this.comm = comm;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static CommunityEMail retrieve(ServletRequest request)
+  {
+    return (CommunityEMail)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Community E-Mail: " + comm.getName();
+
+  } // end getPageTitle
+
+  public String getPageQID()
+  {
+    return null;
+
+  } // end getPageQID
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "comm_email.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public final int getCommunityID()
+  {
+    return comm.getCommunityID();
+
+  } // end getCommunityID
+
+  public final String getCommunityName()
+  {
+    return comm.getName();
+
+  } // end getCommunityName
+
+} // end class CommunityEMail