add courses blacklist

app/src/main/java/de/qvalentin/rapla2kustom/ToKservice.java

@@ -105,17 +105,31 @@ public class ToKservice extends IntentService {
         IcalToStr icalToStr = new IcalToStr();
 
         try {
-            result = icalToStr.icalToSting(url);
+
+            SharedPreferences sharedpreferences = getSharedPreferences(getPackageName() + "_preferences", Context.MODE_PRIVATE);
+
+            String ignore_classes = sharedpreferences.getString("ignore_classes", "");
+
+
+            result = icalToStr.icalToSting(url, ignore_classes);
         } catch (Exception e) {
+            Log.d("error", e.getLocalizedMessage());
         }
 
         return result;
     }
 
     public boolean checkLastModified(URL url) {
-        try {
 
         SharedPreferences sharedpreferences = getSharedPreferences(getPackageName() + "_preferences", Context.MODE_PRIVATE);
+        boolean disable_cache = sharedpreferences.getBoolean("disable_cache", true);
+
+        if (disable_cache) {
+            return disable_cache;
+        }
+
+        try {
+
             String lastModifiedOld = sharedpreferences.getString(getString(R.string.saved_last_modified_key), "");
 
 

app/src/main/java/de/qvalentin/rapla2kustom/ical/IcalToStr.java

@@ -27,7 +27,10 @@ public class IcalToStr {
     public IcalToStr() {
     }
 
-    public String icalToSting(URL url) throws IOException {
+    public String icalToSting(URL url, String ignore_classes) throws IOException {
+
+
+        String[] classes_to_ignore = ignore_classes.split(",");
 
 
         ICalReader reader = new ICalReader(new InputStreamReader(
@@ -51,7 +54,7 @@ public class IcalToStr {
                     timezone = (dtstartTimezone == null) ? TimeZone.getTimeZone("UTC") : dtstartTimezone.getTimeZone();
                 }
 
-                veventStrings.addAll(buildList(ical.getEvents(),timezone));
+                veventStrings.addAll(buildList(ical.getEvents(), timezone, classes_to_ignore));
 
             }
         } finally {
@@ -67,7 +70,7 @@ public class IcalToStr {
     }
 
 
-    public List<VeventString> buildList(List<VEvent> events,TimeZone timeZone){
+    public List<VeventString> buildList(List<VEvent> events, TimeZone timeZone, String[] classes_to_ignore) {
 
         List<VeventString> eventStrings = new ArrayList<VeventString>();
         boolean repeating;
@@ -83,10 +86,14 @@ public class IcalToStr {
 
             dateStartVal = event.getDateStart().getValue();
 
+            Summary summary = event.getSummary();
+            String summaryStr = (summary == null) ? "" : summary.getValue();
+
             future = dateStartVal.compareTo(new DateStart(today).getValue()) >= 0;
             category = event.getCategories().get(0).getValues().get(0).toString();
             repeating = event.getRecurrenceRule() != null;
-            relevent= !category.equalsIgnoreCase("Sonstiger Termin");
+            relevent = !category.equalsIgnoreCase("Sonstiger Termin")
+                    && !Arrays.asList(classes_to_ignore).contains(summaryStr);
 
             if (relevent && (future || repeating)) {
 
@@ -94,8 +101,7 @@ public class IcalToStr {
 
                 isTest = category.equalsIgnoreCase("Prüfung");
 
-                Summary summary = event.getSummary();
+
-                String summaryStr = (summary == null) ? null : summary.getValue();
 
                 DateIterator it = event.getDateIterator(timeZone);
                 Date current;
@@ -118,7 +124,6 @@ public class IcalToStr {
     }
 
 
-
     public String buidSting(List<VeventString> events) {
 
         boolean future;
@@ -145,7 +150,7 @@ public class IcalToStr {
             dateStartVal = e.getStartdate();
             dateEndVal = e.getEnddate();
             future = dateEndVal.compareTo(today) >= 0;
-            if (future && counter<25){
+            if (future && counter < 50) {
 
                 sameDay = dateStartVal.getDay() == previousDate.getDay();
                 sameMonth = dateStartVal.getMonth() == previousDate.getMonth();

app/src/main/res/values/strings.xml

@@ -5,8 +5,10 @@
 
 
     <string name="rapla_url">The url of the rapla course.</string>
+    <string name="ignore_classes">Comma separated List of classes to ignore.</string>
     <string name="kustom_code">The forumla to put into kustom live wall paper.</string>
     <string name="enable">Enable loading the information.</string>
+    <string name="disable_cache">Force a refresh.</string>
 
 
 

app/src/main/res/xml/root_preferences.xml

@@ -11,10 +11,23 @@
             app:defaultValue="https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=braun&file=TINF19B2&day=17&month=4&year=2020&today=Heute"
     />
 
+    <EditTextPreference
+            app:key="ignore_classes"
+            app:title="@string/ignore_classes"
+            app:useSimpleSummaryProvider="true"
+            app:defaultValue="ERP-Systeme,Kommunikations und Netztechnik II"
+    />
+
 
     <SwitchPreferenceCompat
             app:key="sync"
-            app:title="@string/enable"/>
+            app:title="@string/enable"
+            app:defaultValue="true"/>
+
+    <SwitchPreferenceCompat
+            app:key="disable_cache"
+            app:title="@string/disable_cache"
+            app:defaultValue="false"/>
 
 
     <Preference