Method checkEmergencyBackup

app/src/main/java/eu/faircode/email/DB.java:388–435

(Context context)

    }

    private static void checkEmergencyBackup(Context context) {
        try {
            File dbfile = context.getDatabasePath(DB_NAME);
            if (dbfile.exists()) {
                Log.i("Emergency restore /dbfile");
                return;
            }

            File emergency = new File(context.getFilesDir(), "emergency.json");
            if (!emergency.exists()) {
                Log.i("Emergency restore /json");
                return;
            }

            DB db = DB.getInstance(context);
            if (db.account().getAccounts().size() > 0) {
                Log.e("Emergency restore /accounts");
                return;
            }

            Log.e("Emergency restore");

            String json = Helper.readText(emergency);
            JSONArray jaccounts = new JSONArray(json);
            for (int a = 0; a < jaccounts.length(); a++) {
                JSONObject jaccount = jaccounts.getJSONObject(a);
                EntityAccount account = EntityAccount.fromJSON(jaccount);
                account.created = new Date().getTime();
                account.id = db.account().insertAccount(account);

                JSONArray jfolders = jaccount.getJSONArray("folders");
                for (int f = 0; f < jfolders.length(); f++) {
                    EntityFolder folder = EntityFolder.fromJSON(jfolders.getJSONObject(f));
                    folder.account = account.id;
                    db.folder().insertFolder(folder);
                }

                JSONArray jidentities = jaccount.getJSONArray("identities");
                for (int i = 0; i < jidentities.length(); i++) {
                    EntityIdentity identity = EntityIdentity.fromJSON(jidentities.getJSONObject(i));
                    identity.account = account.id;
                    db.identity().insertIdentity(identity);
                }
            }
        } catch (Throwable ex) {
            Log.e(ex);
        }
    }

    public static synchronized DB getInstance(Context context) {
        int apid = android.os.Process.myPid();