splash: show forced delay before starting the main activity in debug

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / MobileLedgerDatabase.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/MobileLedgerDatabase.java b/app/src/main/java/net/ktnx/mobileledger/utils/MobileLedgerDatabase.java
index 7d73ee65f8ce397aa36e85bb5eb65f4bc8f0e87c..911c2034bd13b34fab7f30c8cd74c8f3372336f1 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/utils/MobileLedgerDatabase.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/MobileLedgerDatabase.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2021 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
@@ -18,91 +18,38 @@
 package net.ktnx.mobileledger.utils;
 
 import android.app.Application;
-import android.content.res.Resources;
-import android.database.SQLException;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.util.Log;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.util.Locale;
+import androidx.lifecycle.MutableLiveData;
+
+import net.ktnx.mobileledger.db.DB;
 
 import static net.ktnx.mobileledger.utils.Logger.debug;
 
 public class MobileLedgerDatabase extends SQLiteOpenHelper {
-    private static final String DB_NAME = "MoLe.db";
-    private static final int LATEST_REVISION = 26;
-    private static final String CREATE_DB_SQL = "create_db";
-
-    private final Application mContext;
-
+    public static final MutableLiveData<Boolean> initComplete = new MutableLiveData<>(false);
     public MobileLedgerDatabase(Application context) {
-        super(context, DB_NAME, null, LATEST_REVISION);
+        super(context, DB.DB_NAME, null, DB.REVISION);
         debug("db", "creating helper instance");
-        mContext = context;
         super.setWriteAheadLoggingEnabled(true);
     }
 
     @Override
     public void onCreate(SQLiteDatabase db) {
-        debug("db", "onCreate called");
-        applyRevisionFile(db, CREATE_DB_SQL);
+        throw new IllegalStateException("Should not happen. Where's Room!?");
     }
-
     @Override
     public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        debug("db", "onUpgrade called");
-        for (int i = oldVersion + 1; i <= newVersion; i++) applyRevision(db, i);
+        throw new IllegalStateException("Should not happen. Where's Room!?");
     }
 
-    private void applyRevision(SQLiteDatabase db, int rev_no) {
-        String rev_file = String.format(Locale.US, "sql_%d", rev_no);
-
-        applyRevisionFile(db, rev_file);
-    }
-    private void applyRevisionFile(SQLiteDatabase db, String rev_file) {
-        final Resources rm = mContext.getResources();
-        int res_id = rm.getIdentifier(rev_file, "raw", mContext.getPackageName());
-        if (res_id == 0)
-            throw new SQLException(String.format(Locale.US, "No resource for %s", rev_file));
-        db.beginTransaction();
-        try (InputStream res = rm.openRawResource(res_id)) {
-            debug("db", "Applying " + rev_file);
-            InputStreamReader isr = new InputStreamReader(res);
-            BufferedReader reader = new BufferedReader(isr);
-
-            String line;
-            int line_no = 1;
-            while ((line = reader.readLine()) != null) {
-                if (line.startsWith("--")) {
-                    line_no++;
-                    continue;
-                }
-                if (line.isEmpty()) {
-                    line_no++;
-                    continue;
-                }
-                try {
-                    db.execSQL(line);
-                }
-                catch (Exception e) {
-                    throw new RuntimeException(
-                            String.format("Error applying %s, line %d", rev_file, line_no), e);
-                }
-                line_no++;
-            }
-
-            db.setTransactionSuccessful();
-        }
-        catch (IOException e) {
-            Log.e("db", String.format("Error opening raw resource for %s", rev_file));
-            e.printStackTrace();
-        }
-        finally {
-            db.endTransaction();
-        }
+    @Override
+    public void onConfigure(SQLiteDatabase db) {
+        super.onConfigure(db);
+        // force a check by Room to ensure everything is OK
+        // TODO: remove when all DB access is via Room
+        DB.get()
+          .compileStatement("SELECT COUNT(*) FROM profiles");
     }
 }