<?php

  class da_downloads extends data
  {

    function artiste_downloads($id = null, $public = false, $album = null, $_sql = null)
    { $downloads = array();
      try
      { $query =
         "SELECT #--downloads.*"
        .", #--artistes.nom as auteur"
        .", #--licences.nom as licence"
        .", #--licences.lien as licence_url"
        ." FROM #--artistes"
        .", #--downloads"
        .", #--licences"
        ." WHERE #--downloads.id_artiste=#--artistes.id"
        .(isset($id) ? " AND #--artistes.id=".$id : "")
        ." AND #--downloads.id_licence=#--licences.id"
        .($public ? " AND actif=1" : "")
        .(isset($album) ? " AND id_album=".$album : "")
        .(isset($_sql) ? $_sql : " ORDER BY #--downloads.ordre ASC");
        $rst = $this->sql->query($query);
        while($v_rst = $this->sql->fetch_assoc($rst))
        { $downloads[$v_rst["id"]] = $v_rst;
          $downloads[$v_rst["id"]]["compteur"] = 0;
          $downloads[$v_rst["id"]]["urls"] = array();
          $u_query =
           "SELECT #--download_urls.*, #--formats.nom as format"
          ." FROM #--download_urls, #--formats"
          ." WHERE id_download=".$v_rst["id"]
          ." AND #--download_urls.id_format=#--formats.id";
          $u_rst = $this->sql->query($u_query);
          while($v_u_rst = $this->sql->fetch_assoc($u_rst))
          { $downloads[$v_rst["id"]]["urls"][$v_u_rst["id"]] = $v_u_rst;
            $downloads[$v_rst["id"]]["compteur"] += $v_u_rst["compteur"];
            if($v_u_rst["format"] === "mp3")
            { $downloads[$v_rst["id"]]["mp3_id_url"] = $v_u_rst["id"];
              $downloads[$v_rst["id"]]["mp3_url"] = $v_u_rst["url"];
            }
          }
          $this->sql->free_result($u_rst);
        }
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $downloads = false; }
      return $downloads;
    }

    function nb_downloads($public = false)
    { $n = 0;
      try
      { $select =
         "SELECT count(*) as n"
        ." FROM #--downloads";
        $where = $public ? " WHERE actif=1 AND id_licence IS NOT NULL" : "";
        $rst = $this->sql->query($select.$where);
        if($v_rst = $this->sql->fetch_assoc($rst)) $n = $v_rst["n"];
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $n = false; }
      return $n;
    }

    function nb_mp3($id, $public = false, $album = null)
    { $n = 0;
      try
      { $query =
         "SELECT #--downloads.id"
        ." FROM #--artistes, #--downloads"
        ." WHERE #--downloads.id_artiste=#--artistes.id"
        ." AND #--artistes.id=".$id
        .($public ? " AND actif=1 AND id_licence IS NOT NULL" : "")
        .(isset($album) ? " AND id_album=".$album : "");
        $rst = $this->sql->query($query);
        while($v_rst = $this->sql->fetch_assoc($rst))
        { $u_query =
           "SELECT count(*) as n"
          ." FROM #--download_urls, #--formats"
          ." WHERE id_download=".$v_rst["id"]
          ." AND #--download_urls.id_format=#--formats.id"
          ." AND #--formats.nom='mp3'";
          $u_rst = $this->sql->query($u_query);
          if($v_u_rst = $this->sql->fetch_assoc($u_rst)) $n += $v_u_rst["n"];
          $this->sql->free_result($u_rst);
        }
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $n = false; }
      return $n;
    }

    function artiste_download($id)
    { $download = array();
      try
      { $query =
         "SELECT #--downloads.*"
        .", #--licences.nom as licence"
        .", #--licences.lien as licence_url"
        ." FROM #--downloads, #--licences"
        ." WHERE #--downloads.id=".$id
        ." AND #--downloads.id_licence=#--licences.id";
        $rst = $this->sql->query($query);
        if($v_rst = $this->sql->fetch_assoc($rst))
        { $download = $v_rst;
          $download["urls"] = array();
          $u_query =
           "SELECT #--download_urls.*, #--formats.nom as format"
          ." FROM #--download_urls, #--formats"
          ." WHERE id_download=".$v_rst["id"]
          ." AND #--download_urls.id_format=#--formats.id";
          $u_rst = $this->sql->query($u_query);
          while($v_u_rst = $this->sql->fetch_assoc($u_rst))
          { $download["urls"][$v_u_rst["id"]] = $v_u_rst;
            if($v_u_rst["format"] === "mp3") $download["mp3_url"] = $v_u_rst["url"];
          }
          $this->sql->free_result($u_rst);
        }
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $download = false; }
      return $download;
    }

    function licences()
    { $licences = array();
      try
      { $query = "SELECT * FROM #--licences";
        $rst = $this->sql->query($query);
        while($v_rst = $this->sql->fetch_assoc($rst)) $licences[$v_rst["id"]] = $v_rst;
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $licences = false; }
      return $licences;
    }

    function formats()
    { $formats = array();
      try
      { $query = "SELECT * FROM #--formats";
        $rst = $this->sql->query($query);
        while($v_rst = $this->sql->fetch_assoc($rst)) $formats[$v_rst["id"]] = $v_rst;
        $this->sql->free_result($rst);
      }
      catch(Exception $_e) { $formats = false; }
      return $formats;
    }

    function add_download($id_artiste, $nom, $album, $style, $id_licence, $date_creation, $id_format, $url)
    { try
      { $query =
         "INSERT INTO #--downloads VALUES"
        ."(NULL"
        .", ".$id_artiste
        .", ".$this->eq($album)
        .", ".$id_licence
        .", ".$this->eq($nom)
        .", '".$date_creation."'"
        .", ".$this->eq($style)
        .", NULL"
        .", 0"
        .", 1"
        .")";
        $this->sql->query($query);
        $id_download = $this->sql->insert_id();
        $query =
         "INSERT INTO #--download_urls VALUES"
        ."(NULL"
        .", ".$id_download
        .", ".$id_format
        .", NULL"
        .", ".$this->eq($url)
        .", NULL"
        .", '".date("Y-m-d")."'"
        .", 0"
        .")";
        $this->sql->query($query);
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function set_download($id, $nom, $album, $style, $id_licence, $date_creation)
    { try
      { $query =
         "UPDATE #--downloads SET"
        ."  nom=".$this->eq($nom)
        .", id_album=".$this->eq($album)
        .", style=".$this->eq($style)
        .", id_licence=".$id_licence
        .", date_creation='".$date_creation."'"
        ." WHERE id=".$id;
        $this->sql->query($query);
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function del_download($id_download)
    { try
      { $this->sql->query("DELETE FROM #--downloads WHERE id=".$this->eq($id_download));
        $this->sql->query("DELETE FROM #--download_urls WHERE id_download=".$this->eq($id_download));
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function add_download_url($id_download, $url, $id_format)
    { try
      { $query =
         "INSERT INTO #--download_urls(id_download, id_format, url, date_publication) VALUES"
        ."( ".$id_download
        .", ".$id_format
        .", ".$this->eq($url)
        .", '".date("Y-m-d")."'"
        .")";
        $this->sql->query($query);
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function set_download_url($id_download_url, $url, $id_format)
    { try
      { $query =
         "UPDATE #--download_urls SET"
        ."  url=".$this->eq($url)
        .", id_format=".$id_format
        ." WHERE id=".$id_download_url;
        $this->sql->query($query);
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function del_download_url($id_download, $id_download_url)
    { if(($download = $this->artiste_download($id_download)) !== false)
      { try
        { $this->sql->query("DELETE FROM #--download_urls WHERE id=".$this->eq($id_download_url));
          if(count($download["urls"]) <= 1)
          { if($this->del_download($id_download)) return 2;
            else return false;
          }
        }
        catch(Exception $_e) { return false; }
      }
      else return false;
      return 1;
    }

    function set_downloads($ordre, $actif)
    { try
      { foreach($ordre as $id => $_ordre)
        { $query =
           "UPDATE #--downloads SET"
          ."  ordre=".$_ordre
          .", actif=".($actif[$id] ? 1 : 0)
          ." WHERE id=".$id;
          $this->sql->query($query);
        }
      }
      catch(Exception $_e) { return false; }
      return true;
    }

    function inc_download_compteur($id_download)
    { $url = false;
      try
      { $sql = "SELECT url FROM #--download_urls WHERE id=".$id_download;
        $rst = $this->sql->query($sql);
        if($v_rst = $this->sql->fetch_assoc($rst)) $url = $v_rst["url"];
        if($url)
        { $sql =
           "UPDATE #--download_urls SET compteur=(compteur + 1) WHERE id=".$id_download; 
          $this->sql->query($sql);
        }
      }
      catch(Exception $_e) { $url = false; }
      return $url;
    }

  }

?>