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package org.molgenis.api.data.v1;

import java.util.List;
import java.util.Map;
import org.molgenis.data.DataService;
import org.molgenis.data.meta.model.EntityType;
import org.molgenis.security.core.UserPermissionEvaluator;

public class EntityCollectionResponse {
  private final String href;
  private final EntityTypeResponse meta;
  private final int start;
  private final int num;
  private final long total;
  private final String prevHref;
  private final String nextHref;
  private final List> items;

  public EntityCollectionResponse(
      EntityPager entityPager,
      List> items,
      String href,
      EntityType meta,
      UserPermissionEvaluator permissionService,
      DataService dataService) {
    this.href = href;
    this.meta = meta != null ? new EntityTypeResponse(meta, permissionService, dataService) : null;
    this.start = entityPager.getStart();
    this.num = entityPager.getNum();
    this.total = entityPager.getTotal();

    Integer prevStart = entityPager.getPrevStart();
    this.prevHref =
        prevStart != null ? this.href + "?start=" + prevStart + "&num=" + this.num : null;

    Integer nextStart = entityPager.getNextStart();
    this.nextHref =
        nextStart != null ? this.href + "?start=" + nextStart + "&num=" + this.num : null;

    this.items = items;
  }

  public String getHref() {
    return href;
  }

  public EntityTypeResponse getMeta() {
    return meta;
  }

  public int getStart() {
    return start;
  }

  public int getNum() {
    return num;
  }

  public long getTotal() {
    return total;
  }

  public String getPrevHref() {
    return prevHref;
  }

  public String getNextHref() {
    return nextHref;
  }

  public List> getItems() {
    return items;
  }
}