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Code Issues Releases Wiki Activity

Use email addresses for message classifier

This commit is contained in:
M66B 2021-01-04 15:28:45 +01:00
parent 9a03f28945
commit 0d8535815a
1 changed files with 37 additions and 0 deletions
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37
app/src/main/java/eu/faircode/email/MessageClassifier.java
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@ -21,6 +21,7 @@ package eu.faircode.email;
import android.content.Context;
import android.content.SharedPreferences;
import android.text.TextUtils;
import androidx.preference.PreferenceManager;
@ -33,6 +34,7 @@ import java.io.File;
import java.io.IOException;
import java.text.BreakIterator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
@ -40,6 +42,9 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.mail.Address;
import javax.mail.internet.InternetAddress;
public class MessageClassifier {
private static boolean loaded = false;
private static boolean dirty = false;
@ -73,9 +78,38 @@ public class MessageClassifier {
return;
StringBuilder sb = new StringBuilder();
List<Address> addresses = new ArrayList<>();
if (message.from != null)
addresses.addAll(Arrays.asList(message.from));
if (message.to != null)
addresses.addAll(Arrays.asList(message.to));
if (message.cc != null)
addresses.addAll(Arrays.asList(message.cc));
if (message.bcc != null)
addresses.addAll(Arrays.asList(message.bcc));
if (message.reply != null)
addresses.addAll(Arrays.asList(message.reply));
for (Address address : addresses) {
String email = ((InternetAddress) address).getAddress();
String name = ((InternetAddress) address).getAddress();
if (!TextUtils.isEmpty(email)) {
sb.append(email).append('\n');
int at = email.indexOf('@');
String domain = (at < 0 ? null : email.substring(at + 1));
if (!TextUtils.isEmpty(domain))
sb.append(domain).append('\n');
}
if (!TextUtils.isEmpty(name))
sb.append(name).append('\n');
}
if (message.subject != null)
sb.append(message.subject).append('\n');
sb.append(HtmlHelper.getFullText(file));
if (sb.length() == 0)
return;
@ -219,6 +253,9 @@ public class MessageClassifier {
chances.add(c);
}
if (BuildConfig.DEBUG)
Log.i("Classifier words=" + TextUtils.join(", ", words));
if (chances.size() <= 1 || maxMatchedWords < MIN_MATCHED_WORDS)
return null;