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package com.camilstaps.common;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import org.json.JSONException;
import java.text.ParseException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
/**
* Created by camilstaps on 11-4-15.
*/
public class DatedStringPreferenceSet {
public static Set<Object> get(Context context, String key, Class type) {
Set<Object> set = new HashSet<>();
for (String s : PreferenceManager.getDefaultSharedPreferences(context).getStringSet(key, new HashSet<String>())) {
try {
set.add(type.cast(DatedString.fromString(s, type)));
} catch (JSONException e) {
e.printStackTrace();
} catch (ParseException e) {
e.printStackTrace();
}
}
return set;
}
public static void put(Context context, String key, Set<DatedString> set) {
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
Set<String> putSet = new HashSet<>();
for (DatedString item : set) {
putSet.add(item.toString());
}
editor.putStringSet(key, putSet);
editor.apply();
}
public static void add(Context context, String key, DatedString object) {
Set<DatedString> set = (Set) DatedStringPreferenceSet.get(context, key, DatedString.class);
set.add(object);
DatedStringPreferenceSet.put(context, key, (Set) set);
}
public static void update(Context context, String key, DatedString object) {
Set<DatedString> set = (Set) get(context, key, object.getClass());
Iterator<DatedString> iterator = set.iterator();
boolean add = false;
while (iterator.hasNext()) {
DatedString this_object = iterator.next();
if (this_object.getDate().equals(object.getDate())) {
iterator.remove();
add = true;
}
}
if (add) {
set.add(object);
}
put(context, key, set);
}
public static boolean has(Context context, String key, Date date) {
Set<DatedString> set = (Set) get(context, key, DatedString.class);
for (DatedString item : set) {
if (item.getDate().equals(date)) {
return true;
}
}
return false;
}
public static void updateOrAdd(Context context, String key, DatedString object) {
if (has(context, key, object.getDate())) {
update(context, key, object);
} else {
add(context, key, object);
}
}
public static void clear(Context context, String key) {
put(context, key, new HashSet<DatedString>());
}
public static void remove(Context context, String key, Date date) {
Set<DatedString> set = (Set) get(context, key, DatedString.class);
Iterator<DatedString> iterator = set.iterator();
boolean add = false;
while (iterator.hasNext()) {
DatedString this_object = iterator.next();
if (this_object.getDate().equals(date)) {
iterator.remove();
}
}
put(context, key, set);
}
}
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