From 577b9b4635b69646ebf27185a4ec2e75f025778a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rom=C3=A1n?= <rgmf@riseup.net>
Date: Thu, 3 Sep 2020 14:55:12 +0200
Subject: [PATCH] Alter table trackpoints: added elevation gain to the
 trackpoints table.

---
 .../content/data/TrackPointsColumns.java      |  4 ++-
 .../provider/ContentProviderUtils.java        |  5 ++++
 .../provider/CustomSQLiteOpenHelper.java      | 30 ++++++++++++++++++-
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/dennisguse/opentracks/content/data/TrackPointsColumns.java b/src/main/java/de/dennisguse/opentracks/content/data/TrackPointsColumns.java
index d8d434853..59fa38806 100644
--- a/src/main/java/de/dennisguse/opentracks/content/data/TrackPointsColumns.java
+++ b/src/main/java/de/dennisguse/opentracks/content/data/TrackPointsColumns.java
@@ -51,6 +51,7 @@ public interface TrackPointsColumns extends BaseColumns {
     String SENSOR_HEARTRATE = "sensor_heartrate";
     String SENSOR_CADENCE = "sensor_cadence";
     String SENSOR_POWER = "sensor_power";
+    String ELEVATION_GAIN = "elevation_gain";
 
     String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + " ("
             + _ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
@@ -64,7 +65,8 @@ public interface TrackPointsColumns extends BaseColumns {
             + BEARING + " FLOAT, "
             + SENSOR_HEARTRATE + " FLOAT, "
             + SENSOR_CADENCE + " FLOAT, "
-            + SENSOR_POWER + " FLOAT)";
+            + SENSOR_POWER + " FLOAT, "
+            + ELEVATION_GAIN + " FLOAT)";
 
     String CREATE_TABLE_INDEX = "CREATE INDEX " + TABLE_NAME + "_" + TRACKID + "_index ON " + TABLE_NAME + "(" + TRACKID + ")";
 }
diff --git a/src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java b/src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java
index d0dc07e2f..4d67d2d30 100644
--- a/src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java
+++ b/src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java
@@ -836,6 +836,11 @@ public class ContentProviderUtils {
         if (trackPoint.hasPower()) {
             values.put(TrackPointsColumns.SENSOR_POWER, trackPoint.getPower());
         }
+
+        if (trackPoint.hasElevationGain()) {
+            values.put(TrackPointsColumns.ELEVATION_GAIN, trackPoint.getElevationGain());
+        }
+
         return values;
     }
 
diff --git a/src/main/java/de/dennisguse/opentracks/content/provider/CustomSQLiteOpenHelper.java b/src/main/java/de/dennisguse/opentracks/content/provider/CustomSQLiteOpenHelper.java
index 3d434132e..4c0b60113 100644
--- a/src/main/java/de/dennisguse/opentracks/content/provider/CustomSQLiteOpenHelper.java
+++ b/src/main/java/de/dennisguse/opentracks/content/provider/CustomSQLiteOpenHelper.java
@@ -25,7 +25,7 @@ public class CustomSQLiteOpenHelper extends SQLiteOpenHelper {
 
     private static final String TAG = CustomSQLiteOpenHelper.class.getSimpleName();
 
-    private static final int DATABASE_VERSION = 26;
+    private static final int DATABASE_VERSION = 27;
 
     @VisibleForTesting
     public static final String DATABASE_NAME = "database.db";
@@ -70,6 +70,10 @@ public class CustomSQLiteOpenHelper extends SQLiteOpenHelper {
                 case 26:
                     upgradeFrom25to26(db);
                     break;
+                case 27:
+                    upgradeFrom26to27(db);
+                    break;
+
 
                 default:
                     throw new RuntimeException("Not implemented: upgrade to " + toVersion);
@@ -91,6 +95,9 @@ public class CustomSQLiteOpenHelper extends SQLiteOpenHelper {
                 case 25:
                     downgradeFrom26to25(db);
                     break;
+                case 26:
+                    downgradeFrom27to26(db);
+                    break;
 
                 default:
                     throw new RuntimeException("Not implemented: downgrade to " + toVersion);
@@ -190,4 +197,25 @@ public class CustomSQLiteOpenHelper extends SQLiteOpenHelper {
         db.setTransactionSuccessful();
         db.endTransaction();
     }
+
+    private void upgradeFrom26to27(SQLiteDatabase db) {
+        db.beginTransaction();
+
+        db.execSQL("ALTER TABLE trackpoints ADD COLUMN elevation_gain FLOAT");
+
+        db.setTransactionSuccessful();
+        db.endTransaction();
+    }
+
+    private void downgradeFrom27to26(SQLiteDatabase db) {
+        db.beginTransaction();
+
+        db.execSQL("ALTER TABLE trackpoints RENAME TO trackpoints_old");
+        db.execSQL("CREATE TABLE trackpoints (_id INTEGER PRIMARY KEY AUTOINCREMENT, trackid INTEGER, longitude INTEGER, latitude INTEGER, time INTEGER, elevation FLOAT, accuracy FLOAT, speed FLOAT, bearing FLOAT, sensor_heartrate FLOAT, sensor_cadence FLOAT, sensor_power FLOAT)");
+        db.execSQL("INSERT INTO trackpoints SELECT _id, trackid, longitude, latitude, time, elevation, accuracy, speed, bearing, sensor_heartrate, sensor_cadence, sensor_power FROM trackpoints_old");
+        db.execSQL("DROP TABLE trackpoints_old");
+
+        db.setTransactionSuccessful();
+        db.endTransaction();
+    }
 }