add printing to purchase request

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/exception/IExceptionMessage.java

@@ -59,6 +59,13 @@ public interface IExceptionMessage {
   String PURCHASE_ORDERS_MISSING_PRINTING_SETTINGS = /*$$(*/
       "Please fill printing settings on following purchase orders: %s" /*)*/;
 
+  String NO_PURCHASE_REQUEST_SELECTED_FOR_PRINTING = /*$$(*/
+      "Please select the purchase request(s) to print." /*)*/;
+  String PURCHASE_REQUEST_MISSING_PRINTING_SETTINGS = /*$$(*/
+      "Please fill printing settings on purchase request %s" /*)*/;
+  String PURCHASE_REQUESTS_MISSING_PRINTING_SETTINGS = /*$$(*/
+      "Please fill printing settings on following purchase requests: %s" /*)*/;
+
   public static final String PURCHASE_REQUEST_1 = /*$$(*/
       "There is no sequence set for the purchase requests for the company %s" /*)*/;
   public static final String PURCHASE_REQUEST_MISSING_SUPPLIER_USER = /*$$(*/

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/module/PurchaseModule.java

@@ -35,7 +35,9 @@ import com.axelor.apps.purchase.service.PurchaseRequestServiceImpl;
 import com.axelor.apps.purchase.service.app.AppPurchaseService;
 import com.axelor.apps.purchase.service.app.AppPurchaseServiceImpl;
 import com.axelor.apps.purchase.service.print.PurchaseOrderPrintService;
+import com.axelor.apps.purchase.service.print.PurchaseRequestPrintService;
 import com.axelor.apps.purchase.service.print.PurchaseOrderPrintServiceImpl;
+import com.axelor.apps.purchase.service.print.PurchaseRequestPrintServiceImpl;
 
 public class PurchaseModule extends AxelorModule {
 
@@ -47,6 +49,7 @@ public class PurchaseModule extends AxelorModule {
     bind(PurchaseRequestService.class).to(PurchaseRequestServiceImpl.class);
     bind(PurchaseProductService.class).to(PurchaseProductServiceImpl.class);
     bind(PurchaseOrderPrintService.class).to(PurchaseOrderPrintServiceImpl.class);
+    bind(PurchaseRequestPrintService.class).to(PurchaseRequestPrintServiceImpl.class);
     bind(ProductServiceImpl.class).to(ProductServicePurchaseImpl.class);
     bind(PurchaseRequestRepository.class).to(PurchaseRequestManagementRepository.class);
     bind(PurchaseOrderLineService.class).to(PurchaseOrderLineServiceImpl.class);

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/report/IReport.java

@@ -20,4 +20,5 @@ package com.axelor.apps.purchase.report;
 public interface IReport {
 
   public static final String PURCHASE_ORDER = "PurchaseOrder.rptdesign";
+  public static final String PURCHASE_REQUEST = "PurchaseRequest.rptdesign";
 }

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/print/PurchaseRequestPrintService.java

@@ -0,0 +1,39 @@
+/*
+ * Axelor Business Solutions
+ *
+ * Copyright (C) 2019 Axelor (<http://axelor.com>).
+ *
+ * This program is free software: you can redistribute it and/or  modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.axelor.apps.purchase.service.print;
+
+import com.axelor.apps.purchase.db.PurchaseRequest;
+import com.axelor.exception.AxelorException;
+import java.io.IOException;
+import java.util.List;
+
+public interface PurchaseRequestPrintService {
+
+  /**
+   * Print a purchase order
+   *
+   * @return ReportSettings
+   * @throws IOException
+   * @throws AxelorException
+   */
+  String printPurchaseRequests(List<Long> ids) throws IOException;
+
+  String printPurchaseRequest(PurchaseRequest purchaseRequest, String formatPdf) throws AxelorException;
+
+  String getFileName(PurchaseRequest purchaseRequest);
+}

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/print/PurchaseRequestPrintServiceImpl.java

@@ -0,0 +1,110 @@
+/*
+ * Axelor Business Solutions
+ *
+ * Copyright (C) 2019 Axelor (<http://axelor.com>).
+ *
+ * This program is free software: you can redistribute it and/or  modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.axelor.apps.purchase.service.print;
+
+import com.axelor.apps.ReportFactory;
+import com.axelor.apps.base.service.app.AppBaseService;
+import com.axelor.apps.purchase.db.PurchaseRequest;
+import com.axelor.apps.purchase.exception.IExceptionMessage;
+import com.axelor.apps.purchase.report.IReport;
+import com.axelor.apps.report.engine.ReportSettings;
+import com.axelor.apps.tool.ModelTool;
+import com.axelor.apps.tool.ThrowConsumer;
+import com.axelor.apps.tool.file.PdfTool;
+import com.axelor.exception.AxelorException;
+import com.axelor.exception.db.repo.TraceBackRepository;
+import com.axelor.i18n.I18n;
+import com.axelor.inject.Beans;
+import java.io.File;
+import java.io.IOException;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PurchaseRequestPrintServiceImpl implements PurchaseRequestPrintService {
+
+  @Override
+  public String printPurchaseRequest(PurchaseRequest purchaseRequest, String formatPdf)
+      throws AxelorException {
+
+      String fileName = getPurchaseRequestFilesName(false, formatPdf);
+
+    return PdfTool.getFileLinkFromPdfFile(print(purchaseRequest, formatPdf), fileName);
+  }
+
+  @Override
+  public String printPurchaseRequests(List<Long> ids) throws IOException {
+    List<File> printedPurchaseRequests = new ArrayList<>();
+    ModelTool.apply(
+        PurchaseRequest.class,
+        ids,
+        new ThrowConsumer<PurchaseRequest>() {
+
+          @Override
+          public void accept(PurchaseRequest purchaseRequest) throws Exception {
+            printedPurchaseRequests.add(print(purchaseRequest, ReportSettings.FORMAT_PDF));
+          }
+        });
+    String fileName = getPurchaseRequestFilesName(true, ReportSettings.FORMAT_PDF);
+    return PdfTool.mergePdfToFileLink(printedPurchaseRequests, fileName);
+  }
+
+  public File print(PurchaseRequest purchaseRequest, String formatPdf) throws AxelorException {
+    ReportSettings reportSettings = prepareReportSettings(purchaseRequest, formatPdf);
+    return reportSettings.generate().getFile();
+  }
+
+  public ReportSettings prepareReportSettings(PurchaseRequest purchaseRequest, String formatPdf)
+      throws AxelorException {
+    if (purchaseRequest.getPrintingSettings() == null) {
+      throw new AxelorException(
+          TraceBackRepository.CATEGORY_MISSING_FIELD,
+          String.format(
+              I18n.get(IExceptionMessage.PURCHASE_REQUEST_MISSING_PRINTING_SETTINGS),
+              purchaseRequest.getPurchaseRequestSeq()),
+          purchaseRequest);
+    }
+    String locale = ReportSettings.getPrintingLocale(null);
+    String title = getFileName(purchaseRequest);
+    ReportSettings reportSetting =
+        ReportFactory.createReport(IReport.PURCHASE_REQUEST, title + " - ${date}");
+
+
+    return reportSetting
+        .addParam("PurchaseRequestId", purchaseRequest.getId())
+        .addParam("Locale", locale)
+        .addParam("HeaderHeight", purchaseRequest.getPrintingSettings().getPdfHeaderHeight())
+        .addParam("FooterHeight", purchaseRequest.getPrintingSettings().getPdfFooterHeight())
+        .addFormat(formatPdf);
+  }
+
+  protected String getPurchaseRequestFilesName(boolean plural, String formatPdf) {
+    return I18n.get(plural ? "Purchase requests" : "Purchase request")
+        + " - "
+        + Beans.get(AppBaseService.class).getTodayDate().format(DateTimeFormatter.BASIC_ISO_DATE)
+        + "."
+        + formatPdf;
+  }
+
+  @Override
+  public String getFileName(PurchaseRequest purchaseRequest) {
+    return I18n.get("Purchase request")
+        + " "
+        + purchaseRequest.getPurchaseRequestSeq();
+  }
+}

modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/web/PurchaseRequestController.java

@@ -35,10 +35,27 @@ import com.axelor.rpc.ActionResponse;
 import com.google.inject.Singleton;
 import java.util.List;
 import java.util.stream.Collectors;
+import com.axelor.apps.purchase.service.print.PurchaseRequestPrintService;
+import com.axelor.common.ObjectUtils;
+import com.axelor.rpc.Context;
+import com.google.common.base.Function;
+import java.util.List;
+import javax.annotation.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.axelor.apps.report.engine.ReportSettings;
+import com.axelor.exception.service.TraceBackService;
+import com.google.common.collect.Lists;
+import java.lang.invoke.MethodHandles;
+
+
 
 @Singleton
 public class PurchaseRequestController {
 
+  private final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+
   public void confirmCart(ActionRequest request, ActionResponse response) {
     Beans.get(PurchaseRequestService.class).confirmCart();
     response.setReload(true);
@@ -147,4 +164,51 @@ public class PurchaseRequestController {
     
   }
 
+  /**
+   * Called from grid or form purchase order view, print selected purchase order.
+   *
+   * @param request
+   * @param response
+   * @return
+   */
+  @SuppressWarnings("unchecked")
+  public void showPurchaseRequest(ActionRequest request, ActionResponse response) {
+
+    Context context = request.getContext();
+    String fileLink;
+    String title;
+    PurchaseRequestPrintService purchaseRequestPrintService =
+        Beans.get(PurchaseRequestPrintService.class);
+
+    try {
+      if (!ObjectUtils.isEmpty(request.getContext().get("_ids"))) {
+        List<Long> ids =
+            Lists.transform(
+                (List) request.getContext().get("_ids"),
+                new Function<Object, Long>() {
+                  @Nullable
+                  @Override
+                  public Long apply(@Nullable Object input) {
+                    return Long.parseLong(input.toString());
+                  }
+                });
+        fileLink = purchaseRequestPrintService.printPurchaseRequests(ids);
+        title = I18n.get("Purchase requests");
+      } else if (context.get("id") != null) {
+        PurchaseRequest purchaseRequest = request.getContext().asType(PurchaseRequest.class);
+        title = purchaseRequestPrintService.getFileName(purchaseRequest);
+        fileLink =
+            purchaseRequestPrintService.printPurchaseRequest(purchaseRequest, ReportSettings.FORMAT_PDF);
+        logger.debug("Printing " + title);
+      } else {
+        throw new AxelorException(
+            TraceBackRepository.CATEGORY_MISSING_FIELD,
+            I18n.get(IExceptionMessage.NO_PURCHASE_REQUEST_SELECTED_FOR_PRINTING));
+      }
+      response.setView(ActionView.define(title).add("html", fileLink).map());
+    } catch (Exception e) {
+      TraceBackService.trace(response, e);
+    }
+  }
+
 }

modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseRequest.xml

@@ -31,6 +31,8 @@
 	
 	<many-to-one name="assignedToUser" title="Buyer" ref="com.axelor.auth.db.User"/>
 	
+	<many-to-one name="printingSettings" ref="com.axelor.apps.base.db.PrintingSettings"/>
+
     <unique-constraint columns="purchaseRequestSeq"/>
 
     <extra-code>