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Make getUser a safer method by returning an EMPTY_USER on null

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This commit is contained in:
Abbas Abou Daya 2020-07-18 00:36:29 -07:00
parent 023772142a
commit 5281caad39
2 changed files with 18 additions and 8 deletions
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7
telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/bot/BaseAbilityBot.java
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@ -37,6 +37,7 @@ import static com.google.common.collect.Sets.difference;
import static java.lang.String.format;
import static java.time.ZonedDateTime.now;
import static java.util.Arrays.stream;
import static java.util.Objects.isNull;
import static java.util.Optional.ofNullable;
import static java.util.regex.Pattern.CASE_INSENSITIVE;
import static java.util.regex.Pattern.compile;
@ -402,8 +403,12 @@ public abstract class BaseAbilityBot extends DefaultAbsSender implements Ability
}
boolean checkBlacklist(Update update) {
Integer id = AbilityUtils.getUser(update).getId();
User user = getUser(update);
if (isNull(user)) {
return true;
}
int id = user.getId();
return id == creatorId() || !blacklist().contains(id);
}

7
telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/util/AbilityUtils.java
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@ -17,6 +17,7 @@ import java.util.function.Predicate;
import static java.util.ResourceBundle.Control.FORMAT_PROPERTIES;
import static java.util.ResourceBundle.Control.getNoFallbackControl;
import static java.util.ResourceBundle.getBundle;
import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;
import static org.apache.commons.lang3.StringUtils.isEmpty;
import static org.telegram.abilitybots.api.objects.Flag.*;
@ -57,6 +58,10 @@ public final class AbilityUtils {
* @throws IllegalStateException if the user could not be found
*/
public static User getUser(Update update) {
return defaultIfNull(getUserElseThrow(update), EMPTY_USER);
}
private static User getUserElseThrow(Update update) {
if (MESSAGE.test(update)) {
return update.getMessage().getFrom();
} else if (CALLBACK_QUERY.test(update)) {
@ -247,8 +252,8 @@ public final class AbilityUtils {
* The full name is identified as the concatenation of the first and last name, separated by a space.
* This method can return an empty name if both first and last name are empty.
*
* @return the full name of the user
* @param user
* @return the full name of the user
*/
public static String fullName(User user) {
StringJoiner name = new StringJoiner(" ");