Removes DetailsDocumentFields interface

This interface only ever provided two of the many fields in details
documents.

Fixes: #27180

src/main/java/org/torproject/onionoo/docs/DetailsDocumentFields.java

-/* Copyright 2017--2018 The Tor Project
- * See LICENSE for licensing information */
-
-package org.torproject.onionoo.docs;
-
-/** Provides constants for details document field names. */
-public interface DetailsDocumentFields {
-
-  public static final String FIRST_SEEN = "first_seen";
-
-  public static final String CONSENSUS_WEIGHT = "consensus_weight";
-}
-

src/main/java/org/torproject/onionoo/server/OrderParameterValues.java

@@ -3,22 +3,20 @@
 
 package org.torproject.onionoo.server;
 
-import org.torproject.onionoo.docs.DetailsDocumentFields;
-
 /** Provides constants for order parameter values. */
 public class OrderParameterValues {
 
   private static final String DESCENDING = "-";
 
-  public static final String FIRST_SEEN_ASC = DetailsDocumentFields.FIRST_SEEN;
+  public static final String FIRST_SEEN_ASC = "first_seen";
 
   public static final String FIRST_SEEN_DES =
-      DESCENDING + DetailsDocumentFields.FIRST_SEEN;
+      DESCENDING + FIRST_SEEN_ASC;
 
   public static final String CONSENSUS_WEIGHT_ASC =
-      DetailsDocumentFields.CONSENSUS_WEIGHT;
+      "consensus_weight";
 
   public static final String CONSENSUS_WEIGHT_DES =
-      DESCENDING + DetailsDocumentFields.CONSENSUS_WEIGHT;
+      DESCENDING + CONSENSUS_WEIGHT_ASC;
 }
 

src/main/java/org/torproject/onionoo/server/ResponseBuilder.java

@@ -6,7 +6,6 @@ package org.torproject.onionoo.server;
 import org.torproject.onionoo.docs.BandwidthDocument;
 import org.torproject.onionoo.docs.ClientsDocument;
 import org.torproject.onionoo.docs.DetailsDocument;
-import org.torproject.onionoo.docs.DetailsDocumentFields;
 import org.torproject.onionoo.docs.DocumentStore;
 import org.torproject.onionoo.docs.DocumentStoreFactory;
 import org.torproject.onionoo.docs.SummaryDocument;
@@ -261,7 +260,7 @@ public class ResponseBuilder {
           } else if (field.equals("last_changed_address_or_port")) {
             dd.setLastChangedAddressOrPort(
                 detailsDocument.getLastChangedAddressOrPort());
-          } else if (field.equals(DetailsDocumentFields.FIRST_SEEN)) {
+          } else if (field.equals("first_seen")) {
             dd.setFirstSeen(detailsDocument.getFirstSeen());
           } else if (field.equals("running")) {
             dd.setRunning(detailsDocument.getRunning());
@@ -285,7 +284,7 @@ public class ResponseBuilder {
             dd.setAsNumber(detailsDocument.getAsNumber());
           } else if (field.equals("as_name")) {
             dd.setAsName(detailsDocument.getAsName());
-          } else if (field.equals(DetailsDocumentFields.CONSENSUS_WEIGHT)) {
+          } else if (field.equals("consensus_weight")) {
             dd.setConsensusWeight(detailsDocument.getConsensusWeight());
           } else if (field.equals("verified_host_names")) {
             dd.setVerifiedHostNames(detailsDocument.getVerifiedHostNames());

src/test/java/org/torproject/onionoo/server/SummaryDocumentComparatorTest.java

@@ -6,7 +6,6 @@ package org.torproject.onionoo.server;
 import static org.junit.Assert.assertEquals;
 
 import org.torproject.onionoo.docs.DateTimeHelper;
-import org.torproject.onionoo.docs.DetailsDocumentFields;
 import org.torproject.onionoo.docs.SummaryDocument;
 
 import org.hamcrest.Matchers;
@@ -73,7 +72,7 @@ public class SummaryDocumentComparatorTest {
   public SummaryDocumentComparatorTest(String order, long[] vals) {
     for (int i = 0; i < sd.length; i++) {
       sd[i] = createSummaryDoc();
-      if (order.contains(DetailsDocumentFields.FIRST_SEEN)) {
+      if (order.contains("first_seen")) {
         sd[i].setFirstSeenMillis(vals[i]);
       } else {
         sd[i].setConsensusWeight(vals[i]);