Fixed exchange rates update

CHANGELOG.md

@@ -1,3 +1,7 @@
+###Version: 0.18.1
+- ```fix``` Fixed currency exchange rates update.
+- ```fix``` Categories report shows tag amounts again.
+
 ###Version: 0.18.0
 - ```new``` New trends graph that is interactive.
 - ```new``` Updated settings page UI.

financius/src/main/java/com/code44/finance/api/Request.java

@@ -2,6 +2,7 @@
 
 import com.code44.finance.utils.EventBus;
 import com.code44.finance.utils.Logger;
+import com.crashlytics.android.Crashlytics;
 
 import java.util.concurrent.Callable;
 
@@ -22,6 +23,7 @@ protected Request(EventBus eventBus) {
             final T data = performRequest();
             result = new Result<>(data, null);
         } catch (Exception error) {
+            Crashlytics.logException(error);
             logger.error("Request failed.", error);
             result = new Result<>(null, error);
         }

financius/src/main/java/com/code44/finance/api/currencies/ExchangeRatesResponse.java

@@ -1,44 +1,31 @@
 package com.code44.finance.api.currencies;
 
 import com.code44.finance.data.model.ExchangeRate;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
 import com.google.gson.annotations.SerializedName;
 
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
 
 public class ExchangeRatesResponse {
     @SerializedName("query")
-    private Query query;
+    private JsonObject query;
 
     public Set<ExchangeRate> getExchangeRates() {
         final Set<ExchangeRate> exchangeRates = new HashSet<>();
-        for (Rate rate : query.results.rates) {
+        final JsonArray jsonArray = query.getAsJsonObject("results").getAsJsonArray("rate");
+        for (int i = 0, size = jsonArray.size(); i < size; i++) {
+            final JsonObject jsonObject = jsonArray.get(i).getAsJsonObject();
+            final String id = jsonObject.get("id").getAsString();
+            final double rate = jsonObject.get("Rate").getAsDouble();
             final ExchangeRate exchangeRate = new ExchangeRate();
-            exchangeRate.setFromCode(rate.id.substring(0, 3));
-            exchangeRate.setToCode(rate.id.substring(3));
-            exchangeRate.setRate(rate.rate);
+            exchangeRate.setFromCode(id.substring(0, 3));
+            exchangeRate.setToCode(id.substring(3));
+            exchangeRate.setRate(rate);
             exchangeRates.add(exchangeRate);
         }
 
         return exchangeRates;
     }
-
-    private static class Query {
-        @SerializedName("results")
-        private Results results;
-    }
-
-    private static class Results {
-        @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") @SerializedName("rate")
-        private List<Rate> rates;
-    }
-
-    private static class Rate {
-        @SerializedName("id")
-        private String id;
-
-        @SerializedName("Rate")
-        private double rate;
-    }
 }