From 04bd98e0e544b8ac8eafc92cb10cb339458c5a6a Mon Sep 17 00:00:00 2001
From: Tim Gunn <2896311+Tornado-Tim@users.noreply.github.com>
Date: Sun, 31 May 2020 16:41:19 +1200
Subject: [PATCH] Add Last Carb Time

---
 .../plugins/treatments/TreatmentService.java  | 23 +++++++++++++++++++
 .../plugins/treatments/TreatmentsPlugin.java  | 13 +++++++++++
 2 files changed, 36 insertions(+)

diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentService.java b/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentService.java
index 18d997178e..5dfceda204 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentService.java
+++ b/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())
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentsPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentsPlugin.java
index 8d723cea71..68d1be2f23 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/treatments/TreatmentsPlugin.java
+++ b/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;