[WIP] Search Engine (issue 535)

pom.xml

@@ -551,6 +551,15 @@
 			<artifactId>mail</artifactId>
 			<version>1.4.5</version>
 		</dependency>
+
+		<!-- SolrJ -->
+		<dependency>
+               <artifactId>solr-solrj</artifactId>
+               <groupId>org.apache.solr</groupId>
+               <version>6.5.0</version>
+               <type>jar</type>
+               <scope>compile</scope>
+        </dependency>
 
 		<!-- MISC -->
 		<dependency>

src/main/java/org/sigmah/client/Sigmah.java

@@ -132,6 +132,7 @@ private void clientInitializing() {
 		injector.getAppLoaderPresenter();
 		injector.getMenuBannerPresenter();
 		injector.getMessageBannerPresenter();
+		injector.getSearchPresenter();
 
 		// Pages.
 		injector.getLoginPresenter();
@@ -165,6 +166,7 @@ private void clientInitializing() {
 		injector.getReportCreatePresenter();
 		injector.getAttachFilePresenter();
 		injector.getImportationPresenter();
+		injector.getSearchResultsPresenter();
 
 		injector.getAdminPresenter();
 		injector.getUsersAdminPresenter();

src/main/java/org/sigmah/client/inject/Injector.java

@@ -35,6 +35,7 @@
 import org.sigmah.client.ui.presenter.HelpPresenter;
 import org.sigmah.client.ui.presenter.LoginPresenter;
 import org.sigmah.client.ui.presenter.MockUpPresenter;
+import org.sigmah.client.ui.presenter.SearchResultsPresenter;
 import org.sigmah.client.ui.presenter.admin.AdminPresenter;
 import org.sigmah.client.ui.presenter.admin.CategoriesAdminPresenter;
 import org.sigmah.client.ui.presenter.admin.ParametersAdminPresenter;
@@ -99,6 +100,7 @@
 import org.sigmah.client.ui.presenter.zone.MessageBannerPresenter;
 import org.sigmah.client.ui.presenter.zone.OfflineBannerPresenter;
 import org.sigmah.client.ui.presenter.zone.OrganizationBannerPresenter;
+import org.sigmah.client.ui.presenter.zone.SearchPresenter;
 import org.sigmah.client.ui.theme.Theme;
 import org.sigmah.offline.dao.FileDataAsyncDAO;
 import org.sigmah.offline.dao.TransfertAsyncDAO;
@@ -178,6 +180,8 @@ public interface Injector extends Ginjector {
 	MenuBannerPresenter getMenuBannerPresenter();
 
 	MessageBannerPresenter getMessageBannerPresenter();
+
+	SearchPresenter getSearchPresenter();
 
 	CreditsPresenter getCreditsPresenter();
 
@@ -204,6 +208,8 @@ public interface Injector extends Ginjector {
 	AttachFilePresenter getAttachFilePresenter();
 
 	ImportationPresenter getImportationPresenter();
+
+	SearchResultsPresenter getSearchResultsPresenter();
 
 	// ---- Project presenters.
 

src/main/java/org/sigmah/client/page/Page.java

@@ -114,7 +114,8 @@ public enum Page implements IsSerializable {
 	CREDITS("credits", true),
 	HELP("help", true),
 	CREATE_PROJECT("create-project", true),
-	IMPORT_VALUES("import-values"), ;
+	IMPORT_VALUES("import-values"), 
+	SEARCH_RESULTS("search-results") ;
 
 	private final String parentKey;
 	private final String token;
@@ -320,6 +321,8 @@ public static String getTitle(final Page page) {
 				return I18N.CONSTANTS.adminboard();
 			case CREATE_PROJECT:
 				return I18N.CONSTANTS.createProject();
+			case SEARCH_RESULTS:
+				return "Search Results";
 			default:
 				return PropertyName.error(page.token);
 		}

src/main/java/org/sigmah/client/page/RequestParameter.java

@@ -65,7 +65,8 @@ public enum RequestParameter {
 	CLOSE_CURRENT_TAB,
 	CONTACT_ID,
     ELEMENTS,
-	PROJECT_ID;
+	PROJECT_ID,
+	;
 
 	// If the parameter is part of the tab uniqueness logic.
 	private final boolean unique;

src/main/java/org/sigmah/client/search/SearchService.java

@@ -0,0 +1,44 @@
+package org.sigmah.client.search;
+
+/*
+ * #%L
+ * Sigmah
+ * %%
+ * Copyright (C) 2010 - 2016 URD
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import java.util.ArrayList;
+
+import org.sigmah.shared.dto.search.SearchResultsDTO;
+
+import com.google.gwt.user.client.rpc.RemoteService;
+import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
+
+/**
+ * Interface used by the client side for calling search related methods using GWT's 
+ * async callbacks. {@link SearchServiceAsync} is the associated Async interface
+ * 
+ * @author Aditya Adhikary (aditya15007@iiitd.ac.in)
+ * 
+ */
+@RemoteServiceRelativePath("search")
+public interface SearchService extends RemoteService {
+	ArrayList<SearchResultsDTO> search(String searchStr, String filter);
+	Boolean index();
+	Boolean updateCore(String solrCoreUrl);
+}

src/main/java/org/sigmah/client/search/SearchServiceAsync.java

@@ -0,0 +1,43 @@
+package org.sigmah.client.search;
+
+/*
+ * #%L
+ * Sigmah
+ * %%
+ * Copyright (C) 2010 - 2016 URD
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import java.util.ArrayList;
+
+import org.sigmah.server.search.SearchServiceImpl;
+import org.sigmah.shared.dto.search.SearchResultsDTO;
+
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+/**
+ * Async interface on the client side which is implemented by 
+ * {@link SearchServiceImpl} on the server side.
+ * 
+ * @author Aditya Adhikary (aditya15007@iiitd.ac.in)
+ */
+public interface SearchServiceAsync {
+
+	public void search(String searchStr, String filter, AsyncCallback<ArrayList<SearchResultsDTO>> callback);
+	public void index(AsyncCallback<Boolean> callback);
+	public void updateCore(String solrCoreUrl, AsyncCallback<Boolean> callback);
+}

src/main/java/org/sigmah/client/ui/presenter/ApplicationPresenter.java

@@ -35,6 +35,7 @@
 import org.sigmah.client.ui.presenter.zone.MessageBannerPresenter;
 import org.sigmah.client.ui.presenter.zone.OfflineBannerPresenter;
 import org.sigmah.client.ui.presenter.zone.OrganizationBannerPresenter;
+import org.sigmah.client.ui.presenter.zone.SearchPresenter;
 import org.sigmah.client.ui.view.ApplicationView;
 import org.sigmah.client.ui.view.base.ViewInterface;
 import org.sigmah.client.ui.view.base.ViewPopupInterface;
@@ -95,7 +96,7 @@ public static interface View extends ViewInterface {
 		 */
 		void initZones(OrganizationBannerPresenter.View organizationBannerView, AuthenticationBannerPresenter.View authenticationBannerPresenter,
 				OfflineBannerPresenter.View offlineBannerPresenter, AppLoaderPresenter.View appLoaderPresenter, MenuBannerPresenter.View menuBannerPresenter,
-				MessageBannerPresenter.View messageBannerPresenter);
+				MessageBannerPresenter.View messageBannerPresenter, SearchPresenter.View searchPresenter);
 
 		/**
 		 * Returns the <em>credits</em> widget capable of handling a {@code ClickHandler}.
@@ -142,7 +143,7 @@ public ApplicationPresenter(final View view, final Injector injector) {
 
 		view.initZones(injector.getOrganizationBannerPresenter().getView(), injector.getAuthenticationBannerPresenter().getView(), injector
 			.getOfflineBannerPresenter().getView(), injector.getAppLoaderPresenter().getView(), injector.getMenuBannerPresenter().getView(), injector
-			.getMessageBannerPresenter().getView());
+			.getMessageBannerPresenter().getView(), injector.getSearchPresenter().getView());
 
 	}