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package com.juick.command;
import com.juick.User;
import com.juick.service.SubscriptionService;
import com.juick.service.UserService;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.regex.Pattern;
/**
* @author ma1uta
*/
@Component
@Getter
public class SubscribeUser extends MultiArgsCommand {
private static final Pattern PATTERN = Pattern.compile("^([su])\\s+@(\\S+)$", Pattern.CASE_INSENSITIVE);
private final UserService userService;
private final SubscriptionService subscriptionService;
@Autowired
public SubscribeUser(UserService userService, SubscriptionService subscriptionService) {
this.userService = userService;
this.subscriptionService = subscriptionService;
}
@Override
public Pattern pattern() {
return PATTERN;
}
@Override
public String help() {
return "S @user - subscribe to user's posts\n U @user - unsubscribe to user's posts";
}
@Override
protected String execute(User sender, MessageListener protocolListener, String... arguments) {
boolean subscribe = arguments[0].equalsIgnoreCase("s");
User toUser = getUserService().getUserByName(arguments[1]);
if (toUser.getUid() > 0) {
if (subscribe) {
if (getSubscriptionService().subscribeUser(sender, toUser)) {
protocolListener.userSubscribed(sender, toUser);
return "Subscribed";
// TODO: already subscribed case
}
} else {
if (subscriptionService.unSubscribeUser(sender, toUser)) {
return "Unsubscribed from @" + toUser.getName();
}
return "You was not subscribed to @" + toUser.getName();
}
}
return "Error";
}
}
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