add date range filter

pdb-ui/src/main/java/org/lucares/pdbui/PdbController.java

@@ -94,10 +94,10 @@ public class PdbController implements HardcodedValues, CollectionUtils {
 			produces = MediaType.APPLICATION_JSON_UTF8_VALUE //
 	)
 	@ResponseBody
-	List<String> fields(@RequestParam(name = "query") final String query) {
+	List<String> fields() {
 
 		try {
-			final List<String> fields = db.getDb().getFields(query);
+			final List<String> fields = db.getDb().getFields();
 
 			return fields;
 

pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java

@@ -16,6 +16,8 @@ class PlotSettingsTransformer {
 		result.setWidth(request.getWidth());
 		result.setLimit(request.getLimit());
 		result.setLimitBy(toLimit(request.getLimitBy()));
+		result.setDateFrom(request.getDateFrom());
+		result.setDateTo(request.getDateTo());
 
 		return result;
 	}

pdb-ui/src/main/java/org/lucares/pdbui/domain/PlotRequest.java

@@ -13,6 +13,10 @@ public class PlotRequest {
 
 	private int limit = Integer.MAX_VALUE;
 
+	private String dateFrom;
+
+	private String dateTo;
+
 	public String getQuery() {
 		return query;
 	}
@@ -65,4 +69,20 @@ public class PlotRequest {
 	public void setLimit(final int limit) {
 		this.limit = limit;
 	}
+
+	public String getDateFrom() {
+		return dateFrom;
+	}
+
+	public void setDateFrom(final String dateFrom) {
+		this.dateFrom = dateFrom;
+	}
+
+	public String getDateTo() {
+		return dateTo;
+	}
+
+	public void setDateTo(final String dateTo) {
+		this.dateTo = dateTo;
+	}
 }