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package org.psesquared.server.model;
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.NamedAttributeNode;
import jakarta.persistence.NamedEntityGraph;
import jakarta.persistence.OneToMany;
import jakarta.persistence.Table;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
/**
* A podcast that was subscribed.
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@Entity
@Table(name = "subscriptions")
@NamedEntityGraph(name = "graph.Subscription.episodes",
attributeNodes = @NamedAttributeNode("episodes"))
public class Subscription implements Serializable {
/**
* A primary key for the table.
*/
@JsonIgnore
@Id
@GeneratedValue(strategy=GenerationType.SEQUENCE)
@Column(name = "id", updatable = false)
private Long id;
/**
* The URL for the RSS-Feed of the Podcast.
*/
@Column(name = "url", nullable = false)
private String url;
/**
* The title of the Podcast.
*/
@Column(name = "title")
private String title;
/**
* Timestamp of the last time the RSS-Feed was fetched.
*/
@Column(name = "timestamp")
private long timestamp;
/**
* The list of SubscriptionActions of this podcast.
*/
@JsonIgnore
@OneToMany(mappedBy = "subscription",
cascade = CascadeType.REMOVE)
private List<SubscriptionAction> subscriptionActions;
/**
* The episodes of a subscription.
*/
@JsonIgnore
@OneToMany(mappedBy = "subscription", cascade = CascadeType.REMOVE)
private final List<Episode> episodes = new ArrayList<>();
/**
* Adds an episode to the list of episodes.
*
* @param episode The to be added episode
*/
public void addEpisode(@NonNull final Episode episode) {
this.episodes.add(episode);
}
}
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