app/src/main/java/de/dhbwloe/campusapp/mensaplan/MensaplanManager.java

   1 package de.dhbwloe.campusapp.mensaplan;
   2
   3 import android.util.Log;
   4
   5 import java.io.UnsupportedEncodingException;
   6 import java.net.URLEncoder;
   7 import java.text.DateFormat;
   8 import java.text.NumberFormat;
   9 import java.text.ParseException;
  10 import java.text.SimpleDateFormat;
  11 import java.util.ArrayList;
  12 import java.util.Date;
  13 import java.util.List;
  14 import java.util.Locale;
  15
  16 import de.dhbwloe.campusapp.CampusAppContext;
  17 import de.dhbwloe.campusapp.network.XmlEntry;
  18 import de.dhbwloe.campusapp.network.XmlRequestHelper;
  19 import de.dhbwloe.campusapp.search.SearchIndices;
  20 import de.dhbwloe.campusapp.vorlesungen.VorlesungsplanManagerInterface;
  21
  22 /**
  23  * Created by pk910 on 22.01.2016.
  24  */
  25 public class MensaplanManager extends XmlRequestHelper {
  26     private CampusAppContext AppContext;
  27     private boolean bRequestRunning = false;
  28     private ArrayList<MensaplanManagerInterface> aCallbackInterfaces = new ArrayList<MensaplanManagerInterface>();
  29
  30     public MensaplanManager(CampusAppContext context) {
  31         AppContext = context;
  32     }
  33
  34     public void performSynchronisation(MensaplanManagerInterface callback) {
  35         aCallbackInterfaces.add(callback);
  36         if(bRequestRunning)
  37             return;
  38
  39         bRequestRunning = true;
  40         String mensaplanUrl = "http://www.swfr.de/index.php?id=1400&type=98&tx_swfrspeiseplan_pi1[apiKey]=c3841e89a2c8c301b890723ecdb786ad&tx_swfrspeiseplan_pi1[ort]=677";
  41         requestXmlFromWeb(mensaplanUrl, "plan", "tagesplan");
  42     }
  43
  44     private long getTimeFromDateString(String timestamp) {
  45         // 01.03.2016
  46         if(timestamp == null)
  47             return 0;
  48         DateFormat df = new SimpleDateFormat("dd.MM.yyyy", Locale.ENGLISH);
  49         try {
  50             Date result =  df.parse(timestamp);
  51             return result.getTime()/1000;
  52         } catch (ParseException e) {
  53             return 0;
  54         }
  55     }
  56
  57     private int getPriceFromString(String pricestr) {
  58         // 2,90€
  59         if(pricestr == null)
  60             return 0;
  61         NumberFormat nf = NumberFormat.getInstance(Locale.GERMAN);
  62         try {
  63             Number result =  nf.parse(pricestr.replace("€", ""));
  64             return (int)(result.doubleValue()*100);
  65         } catch (ParseException e) {
  66             return 0;
  67         }
  68     }
  69
  70     @Override
  71     protected void onXmlReceived(List<XmlEntry> entries) {
  72         ArrayList<SearchIndices> newIndices = new ArrayList<SearchIndices>();
  73
  74         Log.i("MPMSync", "Received Mensaplan XML");
  75         for(XmlEntry entry : entries) {
  76             Log.i("MPMSync", "Parse Tagesplan: "+entry.getAttribute("datum"));
  77             long plandate = getTimeFromDateString(entry.getAttribute("datum"));
  78             if(plandate == 0)
  79                 continue;
  80
  81             XmlEntry[] menues = XmlEntry.FindXmlEntriesByName(entry, "menue");
  82             for(XmlEntry menue : menues) {
  83                 XmlEntry centry;
  84                 String menuname = menue.getAttribute("art");
  85                 Log.i("MPMSync", "Parse menu "+menuname);
  86                 if(menuname == null) continue;
  87
  88                 String additional = menue.getAttribute("zusatz");
  89
  90                 centry = XmlEntry.FindXmlEntryByName(menue, "name");
  91                 String name = (centry == null ? null : centry.getValue());
  92
  93                 centry = XmlEntry.FindXmlEntryByName(menue, "nameMitUmbruch");
  94                 String nameHtml = (centry == null ? null : centry.getValue());
  95
  96                 centry = XmlEntry.FindXmlEntryByName(menue, "kennzeichnungen");
  97                 String notes = (centry == null ? null : centry.getValue());
  98
  99                 int priceArray[] = new int[4];
 100
 101                 centry = XmlEntry.FindXmlEntryByName(menue, "studierende");
 102                 priceArray[0] = (centry == null ? 0 : getPriceFromString(centry.getValue()));
 103                 centry = XmlEntry.FindXmlEntryByName(menue, "angestellte");
 104                 priceArray[1] = (centry == null ? 0 : getPriceFromString(centry.getValue()));
 105                 centry = XmlEntry.FindXmlEntryByName(menue, "gaeste");
 106                 priceArray[2] = (centry == null ? 0 : getPriceFromString(centry.getValue()));
 107                 centry = XmlEntry.FindXmlEntryByName(menue, "schueler");
 108                 priceArray[3] = (centry == null ? 0 : getPriceFromString(centry.getValue()));
 109
 110                 MensaTagesplan tagesplan = new MensaTagesplan(plandate, menuname, 0, name, nameHtml, additional, notes, priceArray[0], priceArray[1], priceArray[2], priceArray[3]);
 111                 tagesplan.calculateChkSum();
 112
 113                 AppContext.getDatabaseManager().updateMensaTagesplan(tagesplan);
 114
 115                 if(tagesplan.getIsNew(true)) {
 116                     SearchIndices indices = new SearchIndices("MensaTagesplan#"+tagesplan.getPlanDate()+"|"+tagesplan.getMenuName(), false);
 117                     indices.setUpdateTime(tagesplan.getPlanDate());
 118                     try {
 119                         indices.setTarget("#Mensa#showdate=" + tagesplan.getPlanDate()+"&showmenu=" + URLEncoder.encode(tagesplan.getMenuName(), "UTF-8"));
 120                     } catch (UnsupportedEncodingException e) {
 121                         indices.setTarget("#Mensa#showdate=" + tagesplan.getPlanDate());
 122                     }
 123                     indices.setTitle("Mensaplan " + tagesplan.getFormatedDate());
 124                     indices.setDescription(tagesplan.getMenuName() + ": " + tagesplan.getName());
 125                     indices.addKeyWord(tagesplan.getName());
 126                     indices.addKeyWord(tagesplan.getNotes());
 127                     newIndices.add(indices);
 128                 }
 129             }
 130         }
 131
 132         SearchIndices[] newIndicesArr = new SearchIndices[newIndices.size()];
 133         newIndicesArr = newIndices.toArray(newIndicesArr);
 134         AppContext.addSearchIndices(newIndicesArr);
 135
 136         for(MensaplanManagerInterface callback : aCallbackInterfaces) {
 137             callback.onMensaplanUpdateDone();
 138         }
 139         aCallbackInterfaces.clear();
 140         bRequestRunning = false;
 141     }
 142
 143     @Override
 144     protected void onXmlRequestFail(int statusCode, String errorMessage) {
 145         for(MensaplanManagerInterface callback : aCallbackInterfaces) {
 146             callback.onMensaplanUpdateFail("error " + statusCode + ": " + errorMessage);
 147         }
 148         aCallbackInterfaces.clear();
 149         bRequestRunning = false;
 150     }
 151 }