X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fasync%2FRetrieveAccountsTask.java;h=8602ed1430f48845410597bf387bee1ac295c176;hp=3d96d3270f188bb09346769a63ac3325b0e147f9;hb=1aadcdeec93fc8892a8323735334890cd8859c80;hpb=6c58c1072c9af6ea0d0f52baeae7f95ba7f7ee2f

diff --git a/app/src/main/java/net/ktnx/mobileledger/async/RetrieveAccountsTask.java b/app/src/main/java/net/ktnx/mobileledger/async/RetrieveAccountsTask.java
index 3d96d327..8602ed14 100644
--- a/app/src/main/java/net/ktnx/mobileledger/async/RetrieveAccountsTask.java
+++ b/app/src/main/java/net/ktnx/mobileledger/async/RetrieveAccountsTask.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018 Damyan Ivanov.
+ * Copyright © 2019 Damyan Ivanov.
  * This file is part of Mobile-Ledger.
  * Mobile-Ledger is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
@@ -19,11 +19,13 @@ package net.ktnx.mobileledger.async;
 
 import android.content.SharedPreferences;
 import android.database.sqlite.SQLiteDatabase;
+import android.os.OperationCanceledException;
 import android.util.Log;
 
-import net.ktnx.mobileledger.AccountSummary;
 import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.model.Data;
 import net.ktnx.mobileledger.model.LedgerAccount;
+import net.ktnx.mobileledger.ui.activity.MainActivity;
 import net.ktnx.mobileledger.utils.MLDB;
 import net.ktnx.mobileledger.utils.NetworkUtil;
 
@@ -41,11 +43,10 @@ import java.util.regex.Pattern;
 
 public class RetrieveAccountsTask extends android.os.AsyncTask<Void, Integer, Void> {
     int error;
-
+    WeakReference<MainActivity> mContext;
     private SharedPreferences pref;
-    WeakReference<AccountSummary> mContext;
 
-    public RetrieveAccountsTask(WeakReference<AccountSummary> context) {
+    public RetrieveAccountsTask(WeakReference<MainActivity> context) {
         mContext = context;
         error = 0;
     }
@@ -55,111 +56,122 @@ public class RetrieveAccountsTask extends android.os.AsyncTask<Void, Integer, Vo
     }
 
     protected Void doInBackground(Void... params) {
+        Data.backgroundTaskCount.incrementAndGet();
         try {
-            HttpURLConnection http = NetworkUtil.prepare_connection( pref, "add");
+            HttpURLConnection http = NetworkUtil.prepare_connection(pref, "add");
             publishProgress(0);
-            try (SQLiteDatabase db = MLDB.getDatabase(mContext.get(), MLDB.DatabaseMode.WRITE)) {
-                    try (InputStream resp = http.getInputStream()) {
-                        Log.d("update_accounts", String.valueOf(http.getResponseCode()));
-                        if (http.getResponseCode() != 200) {
-                            throw new IOException(
-                                    String.format("HTTP error: %d %s", http.getResponseCode(), http.getResponseMessage()));
-                        }
-                        else {
-                            if (db.inTransaction()) throw new AssertionError();
-
-                            db.beginTransaction();
-
-                            try {
-                                db.execSQL("update account_values set keep=0;");
-                                db.execSQL("update accounts set keep=0;");
-
-                                String line;
-                                String last_account_name = null;
-                                BufferedReader buf =
-                                        new BufferedReader(new InputStreamReader(resp, "UTF-8"));
-                                // %3A is '='
-                                Pattern account_name_re = Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
-                                Pattern value_re = Pattern.compile(
-                                        "<span class=\"[^\"]*\\bamount\\b[^\"]*\">\\s*([-+]?[\\d.,]+)(?:\\s+(\\S+))?</span>");
-                                Pattern tr_re = Pattern.compile("</tr>");
-                                Pattern descriptions_line_re = Pattern.compile("\\bdescriptionsSuggester\\s*=\\s*new\\b");
-                                Pattern description_items_re = Pattern.compile("\"value\":\"([^\"]+)\"");
-                                int count = 0;
-                                while ((line = buf.readLine()) != null) {
-                                    Matcher m = account_name_re.matcher(line);
-                                    if (m.find()) {
-                                        String acct_encoded = m.group(1);
-                                        String acct_name = URLDecoder.decode(acct_encoded, "UTF-8");
-                                        acct_name = acct_name.replace("\"", "");
-                                        Log.d("account-parser", acct_name);
-
-                                        addAccount(db, acct_name);
-                                        publishProgress(++count);
-
-                                        last_account_name = acct_name;
-
-                                        continue;
-                                    }
-
-                                    Matcher tr_m = tr_re.matcher(line);
-                                    if (tr_m.find()) {
-                                        Log.d("account-parser", "<tr> - another account expected");
-                                        last_account_name = null;
-                                        continue;
-                                    }
-
-                                    if (last_account_name != null) {
-                                        m = value_re.matcher(line);
-                                        boolean match_found = false;
-                                        while (m.find()) {
-                                            match_found = true;
-                                            String value = m.group(1);
-                                            String currency = m.group(2);
-                                            if (currency == null) currency = "";
-                                            value = value.replace(',', '.');
-                                            Log.d("db", "curr=" + currency + ", value=" + value);
-                                            db.execSQL(
-                                                    "insert or replace into account_values(account, currency, value, keep) values(?, ?, ?, 1);",
-                                                    new Object[]{last_account_name, currency, Float.valueOf(value)
-                                                    });
-                                        }
-
-                                        if (match_found) continue;
-                                    }
-
-                                    m = descriptions_line_re.matcher(line);
-                                    if (m.find()) {
-                                        db.execSQL("update description_history set keep=0;");
-                                        m = description_items_re.matcher(line);
-                                        while (m.find()) {
-                                            String description = m.group(1);
-                                            if (description.isEmpty()) continue;
-
-                                            Log.d("db", String.format("Stored description: %s",
-                                                    description));
-                                            db.execSQL("insert or replace into description_history"
-                                                            + "(description, description_upper, keep) " + "values(?, ?, 1);",
-                                                    new Object[]{description, description.toUpperCase()
-                                                    });
-                                        }
-                                    }
-                                }
+            SQLiteDatabase db = MLDB.getWritableDatabase();
+            try (InputStream resp = http.getInputStream()) {
+                Log.d("update_accounts", String.valueOf(http.getResponseCode()));
+                if (http.getResponseCode() != 200) {
+                    throw new IOException(String.format("HTTP error: %d %s", http.getResponseCode(),
+                            http.getResponseMessage()));
+                }
+                else {
+                    if (db.inTransaction()) throw new AssertionError();
+
+                    db.beginTransaction();
+
+                    try {
+                        db.execSQL("update account_values set keep=0;");
+                        db.execSQL("update accounts set keep=0;");
+
+                        String line;
+                        String last_account_name = null;
+                        BufferedReader buf =
+                                new BufferedReader(new InputStreamReader(resp, "UTF-8"));
+                        // %3A is '='
+                        Pattern account_name_re =
+                                Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
+                        Pattern account_value_re = Pattern.compile(
+                                "<span class=\"[^\"]*\\bamount\\b[^\"]*\">\\s*([-+]?[\\d.,]+)(?:\\s+(\\S+))?</span>");
+                        Pattern tr_end_re = Pattern.compile("</tr>");
+                        Pattern descriptions_line_re =
+                                Pattern.compile("\\bdescriptionsSuggester\\s*=\\s*new\\b");
+                        Pattern description_items_re = Pattern.compile("\"value\":\"([^\"]+)\"");
+                        int count = 0;
+                        while ((line = buf.readLine()) != null) {
+                            throwIfCancelled();
+
+                            Matcher m = account_name_re.matcher(line);
+                            if (m.find()) {
+                                String acct_encoded = m.group(1);
+                                String acct_name = URLDecoder.decode(acct_encoded, "UTF-8");
+                                acct_name = acct_name.replace("\"", "");
+                                Log.d("account-parser", acct_name);
+
+                                addAccount(db, acct_name);
+                                publishProgress(++count);
+
+                                last_account_name = acct_name;
+
+                                continue;
+                            }
 
-                                db.execSQL("delete from account_values where keep=0;");
-                                db.execSQL("delete from accounts where keep=0;");
-//                        db.execSQL("delete from description_history where keep=0;");
-                                db.setTransactionSuccessful();
+                            Matcher tr_m = tr_end_re.matcher(line);
+                            if (tr_m.find()) {
+                                Log.d("account-parser", "<tr> - another account expected");
+                                last_account_name = null;
+                                continue;
                             }
-                            finally {
-                                db.endTransaction();
+
+                            if (last_account_name != null) {
+                                m = account_value_re.matcher(line);
+                                boolean match_found = false;
+                                while (m.find()) {
+                                    throwIfCancelled();
+
+                                    match_found = true;
+                                    String value = m.group(1);
+                                    String currency = m.group(2);
+                                    if (currency == null) currency = "";
+                                    value = value.replace(',', '.');
+                                    Log.d("db", "curr=" + currency + ", value=" + value);
+                                    db.execSQL(
+                                            "insert or replace into account_values(account, currency, value, keep) values(?, ?, ?, 1);",
+                                            new Object[]{last_account_name, currency,
+                                                         Float.valueOf(value)
+                                            });
+                                }
+
+                                if (match_found) continue;
                             }
 
+                            m = descriptions_line_re.matcher(line);
+                            if (m.find()) {
+                                db.execSQL("update description_history set keep=0;");
+                                m = description_items_re.matcher(line);
+                                while (m.find()) {
+                                    throwIfCancelled();
+
+                                    String description = m.group(1);
+                                    if (description.isEmpty()) continue;
+
+                                    Log.d("db",
+                                            String.format("Stored description: %s", description));
+                                    db.execSQL("insert or replace into description_history" +
+                                               "(description, description_upper, keep) " +
+                                               "values(?, ?, 1);",
+                                            new Object[]{description, description.toUpperCase()
+                                            });
+                                }
+                            }
                         }
+
+                        db.execSQL("delete from account_values where keep=0;");
+                        db.execSQL("delete from accounts where keep=0;");
+                        db.setTransactionSuccessful();
+                    }
+                    catch (OperationCanceledException e) {
+                        Log.w("async", "Account retrieval cancelled");
+                    }
+                    finally {
+                        db.endTransaction();
                     }
                 }
             }
-        } catch (MalformedURLException e) {
+        }
+        catch (MalformedURLException e) {
             error = R.string.err_bad_backend_url;
             e.printStackTrace();
         }
@@ -175,27 +187,33 @@ public class RetrieveAccountsTask extends android.os.AsyncTask<Void, Integer, Vo
             error = R.string.err_net_error;
             e.printStackTrace();
         }
+        finally {
+            Log.d("RAT", "decrementing background task count");
+            Data.backgroundTaskCount.decrementAndGet();
+        }
 
         return null;
     }
+    private void throwIfCancelled() {
+        if (isCancelled()) throw new OperationCanceledException(null);
+    }
 
     private void addAccount(SQLiteDatabase db, String name) {
         do {
             LedgerAccount acc = new LedgerAccount(name);
-            db.execSQL(
-                    "update accounts set level = ?, keep = 1 where name = ?",
+            db.execSQL("update accounts set level = ?, keep = 1 where name = ?",
                     new Object[]{acc.getLevel(), name});
-            db.execSQL("insert into accounts(name, name_upper, parent_name, level) select ?,?,"
-                            + "?,? " + "where (select changes() = 0)",
+            db.execSQL("insert into accounts(name, name_upper, parent_name, level) select ?,?," +
+                       "?,? " + "where (select changes() = 0)",
                     new Object[]{name, name.toUpperCase(), acc.getParentName(), acc.getLevel()});
             name = acc.getParentName();
         } while (name != null);
     }
     @Override
     protected void onPostExecute(Void result) {
-        AccountSummary ctx = mContext.get();
+        MainActivity ctx = mContext.get();
         if (ctx == null) return;
-        ctx.onAccountRefreshDone(this.error);
+        ctx.onRetrieveDone(this.error == 0);
     }
 
 }