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Merge pull request #552 from metasfresh/gh528-api
Exception when opening PP Order issue / receipt #528
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94
src/main/java/de/metas/ui/web/handlingunits/process/WEBUI_M_HU_Receipt_Base.java
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| @@ -0,0 +1,94 @@ | ||
| package de.metas.ui.web.handlingunits.process; | ||
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| import org.adempiere.util.lang.MutableInt; | ||
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| /* | ||
| * #%L | ||
| * metasfresh-webui-api | ||
| * %% | ||
| * Copyright (C) 2017 metas GmbH | ||
| * %% | ||
| * 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 2 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-2.0.html>. | ||
| * #L% | ||
| */ | ||
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| import de.metas.process.IProcessPrecondition; | ||
| import de.metas.process.IProcessPreconditionsContext; | ||
| import de.metas.process.JavaProcess; | ||
| import de.metas.process.ProcessPreconditionsResolution; | ||
| import de.metas.ui.web.handlingunits.HUEditorRow; | ||
| import de.metas.ui.web.handlingunits.HUEditorView; | ||
| import de.metas.ui.web.process.ViewAsPreconditionsContext; | ||
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| /** | ||
| * Common base class to dedupliate code. | ||
| * | ||
| * @author metas-dev <dev@metasfresh.com> | ||
| * | ||
| */ | ||
| public abstract class WEBUI_M_HU_Receipt_Base extends JavaProcess implements IProcessPrecondition | ||
| { | ||
| @Override | ||
| public ProcessPreconditionsResolution checkPreconditionsApplicable(final IProcessPreconditionsContext context) | ||
| { | ||
| final ViewAsPreconditionsContext viewContext = ViewAsPreconditionsContext.castOrNull(context); | ||
| if (viewContext == null) | ||
| { | ||
| return ProcessPreconditionsResolution.rejectWithInternalReason("webui view not available"); | ||
| } | ||
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| final boolean isHUView = viewContext.getView() instanceof HUEditorView; | ||
| if (!isHUView) | ||
| { | ||
| return ProcessPreconditionsResolution.rejectWithInternalReason("The current view is not an HUEditorView; view=" + viewContext.getView() + ";"); | ||
| } | ||
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| if (viewContext.isNoSelection()) | ||
| { | ||
| return ProcessPreconditionsResolution.rejectBecauseNoSelection(); | ||
| } | ||
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| final MutableInt checkedDocumentsCount = new MutableInt(0); | ||
| final ProcessPreconditionsResolution firstRejection = viewContext.getView(HUEditorView.class) | ||
| .streamByIds(viewContext.getSelectedDocumentIds()) | ||
| .filter(document -> document.isPureHU()) | ||
| // | ||
| .peek(document -> checkedDocumentsCount.incrementAndGet()) // count checked documents | ||
| .map(document -> rejectResolutionOrNull(document)) // create reject resolution if any | ||
| .filter(resolution -> resolution != null) // filter out those which are not errors | ||
| .findFirst() | ||
| .orElse(null); | ||
| if (firstRejection != null) | ||
| { | ||
| // found a record which is not eligible => don't run the process | ||
| return firstRejection; | ||
| } | ||
| if (checkedDocumentsCount.getValue() <= 0) | ||
| { | ||
| return ProcessPreconditionsResolution.rejectWithInternalReason("no eligible rows"); | ||
| } | ||
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| return ProcessPreconditionsResolution.accept(); | ||
| } | ||
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| /** | ||
| * Check the individual given row, to find out if this process can be applied to it or not. | ||
| * | ||
| * @param document | ||
| * @return | ||
| */ | ||
| abstract ProcessPreconditionsResolution rejectResolutionOrNull(HUEditorRow document); | ||
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| } |
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