Add Last Carb Time

app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentService.java

@@ -613,6 +613,29 @@ public class TreatmentService extends OrmLiteBaseService<DatabaseHelper> {
         }
     }
 
+    /**
+     * Returns the newest record with carbs > 0
+     */
+    @Nullable
+    public Treatment getLastCarb() {
+        try {
+            QueryBuilder<Treatment, Long> queryBuilder = getDao().queryBuilder();
+            Where where = queryBuilder.where();
+            where.gt("carbs", 0);
+            where.and().le("date", DateUtil.now());
+            where.and().eq("isValid", true);
+            queryBuilder.orderBy("date", false);
+            queryBuilder.limit(1L);
+
+            List<Treatment> result = getDao().query(queryBuilder.prepare());
+            if (result.isEmpty())
+                return null;
+            return result.get(0);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     public void deleteNS(JSONObject json) {
         String _id = JsonHelper.safeGetString(json, "_id");
         if (_id != null && !_id.isEmpty())

app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentsPlugin.java

@@ -358,6 +358,19 @@ public class TreatmentsPlugin extends PluginBase implements TreatmentsInterface
         }
     }
 
+    public long getLastCarbTime() {
+        Treatment last = getService().getLastCarb();
+        if (last == null) {
+            getAapsLogger().debug(LTag.DATATREATMENTS, "Last Carb time: NOTHING FOUND");
+            return 0;
+        }
+        else {
+            getAapsLogger().debug(LTag.DATATREATMENTS, "Last Carb time: " + dateUtil.dateAndTimeString(last.date));
+            return last.date;
+        }
+    }
+
+
     @Override
     public boolean isInHistoryRealTempBasalInProgress() {
         return getRealTempBasalFromHistory(System.currentTimeMillis()) != null;