Create error report endpoint #22

Added error report endpoint w/ filter + codecs.

Change-Id: I5d884fa7bf7774b05dd9168372f0cd846bf9dadc Signed-off-by: Martin Lowe martin.lowe@eclipse-foundation.org

src/main/java/org/eclipsefoundation/marketplace/dto/codecs/ErrorReportCodec.java

+/* Copyright (c) 2019 Eclipse Foundation and others.
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Public License 2.0
+ * which is available at http://www.eclipse.org/legal/epl-v20.html,
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipsefoundation.marketplace.dto.codecs;
+
+import java.util.UUID;
+
+import org.apache.commons.lang3.StringUtils;
+import org.bson.BsonReader;
+import org.bson.BsonString;
+import org.bson.BsonValue;
+import org.bson.BsonWriter;
+import org.bson.Document;
+import org.bson.codecs.Codec;
+import org.bson.codecs.CollectibleCodec;
+import org.bson.codecs.DecoderContext;
+import org.bson.codecs.EncoderContext;
+import org.eclipsefoundation.marketplace.dto.ErrorReport;
+import org.eclipsefoundation.marketplace.namespace.DatabaseFieldNames;
+
+import com.mongodb.MongoClient;
+
+
+/**
+ * MongoDB codec for transcoding of {@link ErrorReport} and {@link Document}
+ * objects. Used when writing or retrieving objects of given type from the
+ * database.
+ * 
+ * @author Martin Lowe
+ */
+public class ErrorReportCodec implements CollectibleCodec<ErrorReport> {
+	private final Codec<Document> documentCodec;
+
+	public ErrorReportCodec() {
+		this.documentCodec = MongoClient.getDefaultCodecRegistry().get(Document.class);
+	}
+	
+	@Override
+	public void encode(BsonWriter writer, ErrorReport value, EncoderContext encoderContext) {
+		Document doc = new Document();
+
+		doc.put(DatabaseFieldNames.DOCID, value.getId());
+		doc.put(DatabaseFieldNames.NAME, value.getTitle());
+		doc.put(DatabaseFieldNames.ERROR_BODY, value.getBody());
+		doc.put(DatabaseFieldNames.ERROR_DETAILED_MESSAGE, value.getDetailedMessage());
+		doc.put(DatabaseFieldNames.ERROR_READ, value.isRead());
+		doc.put(DatabaseFieldNames.ERROR_FEATURE_IDS, value.getFeatureIDs());
+		doc.put(DatabaseFieldNames.ERROR_STATUS_CODE, value.getStatus());
+		doc.put(DatabaseFieldNames.ERROR_STATUS_MESSAGE, value.getStatusMessage());
+		documentCodec.encode(writer, doc, encoderContext);
+	}
+
+	@Override
+	public Class<ErrorReport> getEncoderClass() {
+		return ErrorReport.class;
+	}
+
+	@Override
+	public ErrorReport decode(BsonReader reader, DecoderContext decoderContext) {
+		Document document = documentCodec.decode(reader, decoderContext);
+		ErrorReport out = new ErrorReport();
+		out.setId(document.getString(DatabaseFieldNames.DOCID));
+		out.setTitle(document.getString(DatabaseFieldNames.ERROR_TITLE));
+		out.setBody(document.getString(DatabaseFieldNames.ERROR_BODY));
+		out.setDetailedMessage(document.getString(DatabaseFieldNames.ERROR_DETAILED_MESSAGE));
+		out.setStatusMessage(document.getString(DatabaseFieldNames.ERROR_STATUS_MESSAGE));
+		out.setStatus(document.getString(DatabaseFieldNames.ERROR_STATUS_CODE));
+		out.setFeatureIds(document.getList(DatabaseFieldNames.ERROR_FEATURE_IDS, String.class));
+		out.setRead(document.getBoolean(DatabaseFieldNames.ERROR_READ));
+		
+		return out;
+	}
+
+	@Override
+	public ErrorReport generateIdIfAbsentFromDocument(ErrorReport document) {
+		if (!documentHasId(document)) {
+			document.setId(UUID.randomUUID().toString());
+		}
+		return document;
+	}
+
+	@Override
+	public boolean documentHasId(ErrorReport document) {
+		return !StringUtils.isBlank(document.getId());
+	}
+
+	@Override
+	public BsonValue getDocumentId(ErrorReport document) {
+		return new BsonString(document.getId());
+	}
+
+}