Remove old database migrations; add missing ones

android-base/src/main/java/org/isoron/androidbase/storage/BaseSQLiteOpenHelper.java

@@ -76,4 +76,10 @@ public class BaseSQLiteOpenHelper extends SQLiteOpenHelper
             throw new RuntimeException(e);
         }
     }
+
+    @Override
+    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion)
+    {
+        throw new UnsupportedDatabaseVersionException();
+    }
 }

android-base/src/main/java/org/isoron/androidbase/storage/UnsupportedDatabaseVersionException.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ */
+
+package org.isoron.androidbase.storage;
+
+public class UnsupportedDatabaseVersionException extends RuntimeException
+{
+}

uhabits-android/src/main/assets/migrations/10.sql

@@ -1,3 +1,3 @@
 delete from Score;
 delete from Streak;
-delete from Checkmarks;
+delete from Checkmarks;

uhabits-android/src/main/assets/migrations/11.sql

@@ -1 +1 @@
-alter table habits add column reminder_days integer not null default 127;
+alter table Habits add column reminder_days integer not null default 127;

uhabits-android/src/main/assets/migrations/13.sql

@@ -1,4 +1,4 @@
-create index idx_score_habit_timestamp on score(habit, timestamp);
-create index idx_checkmark_habit_timestamp on checkmarks(habit, timestamp);
-create index idx_repetitions_habit_timestamp on repetitions(habit, timestamp);
-create index idx_streak_habit_end on streak(habit, end);
+create index idx_score_habit_timestamp on Score(habit, timestamp);
+create index idx_checkmark_habit_timestamp on Checkmarks(habit, timestamp);
+create index idx_repetitions_habit_timestamp on Repetitions(habit, timestamp);
+create index idx_streak_habit_end on Streak(habit, end);

uhabits-android/src/main/assets/migrations/17.sql

@@ -1,5 +1,11 @@
-DROP TABLE Score;
-CREATE TABLE Score (Id INTEGER PRIMARY KEY AUTOINCREMENT, habit INTEGER REFERENCES Habits(Id), score REAL, timestamp INTEGER);
-CREATE INDEX idx_score_habit_timestamp on score(habit, timestamp);
-delete from Streak;
-delete from Checkmarks;
+drop table Score;
+create table Score (
+    id integer primary key autoincrement,
+    habit integer references habits(id),
+    score real,
+    timestamp integer);
+
+create index idx_score_habit_timestamp on Score(habit, timestamp);
+
+delete from streak;
+delete from checkmarks;

uhabits-android/src/main/assets/migrations/19.sql

@@ -0,0 +1,6 @@
+create table Events (
+    id integer primary key autoincrement,
+    timestamp integer,
+    message text,
+    server_id integer
+);

uhabits-android/src/main/assets/migrations/5.sql

@@ -1,2 +0,0 @@
-alter table habits add column reminder_hour integer;
-alter table habits add column reminder_min integer;

uhabits-android/src/main/assets/migrations/6.sql

@@ -1 +0,0 @@
-alter table habits add column highlight integer not null default 0;

uhabits-android/src/main/assets/migrations/7.sql

@@ -1 +0,0 @@
-alter table habits add column archived integer not null default 0;

uhabits-android/src/main/assets/migrations/9.sql

@@ -0,0 +1,41 @@
+create table Habits (
+    id integer primary key autoincrement,
+    archived integer,
+    color integer,
+    description text,
+    freq_den integer,
+    freq_num integer,
+    highlight integer,
+    name text,
+    position integer,
+    reminder_hour integer,
+    reminder_min integer
+);
+
+create table Checkmarks (
+    id integer primary key autoincrement,
+    habit integer references habits(id),
+    timestamp integer,
+    value integer
+);
+
+create table Repetitions (
+    id integer primary key autoincrement,
+    habit integer references habits(id),
+    timestamp integer
+);
+
+create table Streak (
+    id integer primary key autoincrement,
+    end integer,
+    habit integer references habits(id),
+    length integer,
+    start integer
+);
+
+create table Score (
+    id integer primary key autoincrement,
+    habit integer references habits(id),
+    score integer,
+    timestamp integer
+);

uhabits-android/src/main/java/org/isoron/uhabits/HabitsDatabaseOpener.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ */
+
+package org.isoron.uhabits;
+
+import android.content.*;
+import android.database.sqlite.*;
+
+import org.isoron.androidbase.storage.*;
+
+
+public class HabitsDatabaseOpener extends BaseSQLiteOpenHelper
+{
+    private final int version;
+
+    public HabitsDatabaseOpener(Context context,
+                                String databaseFilename,
+                                int version)
+    {
+        super(context, databaseFilename, version);
+        this.version = version;
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db)
+    {
+        onUpgrade(db, 8, version);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
+    {
+        if(oldVersion < 8) throw new UnsupportedDatabaseVersionException();
+        super.onUpgrade(db, oldVersion, newVersion);
+    }
+}

uhabits-android/src/main/java/org/isoron/uhabits/utils/DatabaseUtils.java

@@ -23,7 +23,6 @@ import android.content.*;
 import android.database.sqlite.*;
 import android.support.annotation.*;
 
-import org.isoron.androidbase.storage.*;
 import org.isoron.androidbase.utils.*;
 import org.isoron.uhabits.*;
 import org.isoron.uhabits.core.utils.*;
@@ -35,7 +34,7 @@ import java.text.*;
 public abstract class DatabaseUtils
 {
     @Nullable
-    private static BaseSQLiteOpenHelper helper = null;
+    private static HabitsDatabaseOpener opener = null;
 
     public static void executeAsTransaction(Callback callback)
     {
@@ -83,7 +82,7 @@ public abstract class DatabaseUtils
     {
         try
         {
-            helper = new BaseSQLiteOpenHelper(context, getDatabaseFilename(),
+            opener = new HabitsDatabaseOpener(context, getDatabaseFilename(),
                 BuildConfig.databaseVersion);
         }
         catch (RuntimeException e)
@@ -113,13 +112,13 @@ public abstract class DatabaseUtils
     @NonNull
     public static SQLiteDatabase openDatabase()
     {
-        if(helper == null) throw new IllegalStateException();
-        return helper.getWritableDatabase();
+        if(opener == null) throw new IllegalStateException();
+        return opener.getWritableDatabase();
     }
 
     public static void dispose()
     {
-        helper = null;
+        opener = null;
     }
 
     public interface Callback