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package com.juick.command;
import com.juick.User;
import com.juick.server.protocol.ProtocolListener;
import com.juick.service.ShowQueriesService;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.regex.Pattern;
/**
* @author ma1uta
*/
@Component
@Getter
public class Recommendations implements Command {
private static final Pattern PATTERN = Pattern.compile("@", Pattern.CASE_INSENSITIVE);
private final ShowQueriesService showQueriesService;
@Autowired
public Recommendations(ShowQueriesService showQueriesService) {
this.showQueriesService = showQueriesService;
}
@Override
public Pattern pattern() {
return PATTERN;
}
@Override
public String help() {
return "@ - Show recommendations and popular personal blogs";
}
@Override
public String execute(User sender, ProtocolListener protocolListener, String command) {
StringBuilder msg = new StringBuilder();
msg.append("Recommended blogs");
List<String> recommendedUsers = getShowQueriesService().getRecommendedUsers(sender);
if (recommendedUsers.size() > 0) {
for (String user : recommendedUsers) {
msg.append("\n@").append(user);
}
} else {
msg.append("\nNo recommendations now. Subscribe to more blogs. ;)");
}
msg.append("\n\nTop 10 personal blogs:");
List<String> topUsers = getShowQueriesService().getTopUsers();
if (topUsers.size() > 0) {
for (String user : topUsers) {
msg.append("\n@").append(user);
}
} else {
msg.append("\nNo top users. Empty DB? ;)");
}
return msg.toString();
}
}
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