remove sorting alphabetically because of poor performances (title is of type 'text' and cannot be indexed)

src/main/app/i18n/ar.js

@@ -41,7 +41,6 @@
     "refresh" : "إعادة انعاش",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "الترتيب حسب التاريخ تصاعدي / تنازلي",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only" : "العناوين فقط",
     "expanded_view" : "عرض موسع",
     "mark_all_as_read" : "اعتبر الكل مقروء",

src/main/app/i18n/ca.js

@@ -41,7 +41,6 @@
     "refresh" : "Actualitzar",
     "refresh_all" : "Força l'actualització de tots els canals",
     "sort_by_asc_desc" : "Ordenar per data asc/desc",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only" : "Només títols",
     "expanded_view" : "Vista ampliada",
     "mark_all_as_read" : "Marcar tots llegits",

src/main/app/i18n/cs.js

@@ -41,7 +41,6 @@
     "refresh " : " Obnovit",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc " : " Seřadit podle nejnovějšího/nejstaršího",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only " : " Zobrazit jenom titulky",
     "expanded_view " : " Rozšířený náhled",
     "mark_all_as_read " : " Označit vše jako přečtené",

src/main/app/i18n/cy.js

@@ -41,7 +41,6 @@
     "refresh" : "Adnewyddu",
     "refresh_all" : "Gorfodi ail-lwytho pob ffrwd",
     "sort_by_asc_desc" : "Trefnu yn ôl dyddiad",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only" : "Teitlau yn unig",
     "expanded_view" : "Golwg estynedig",
     "mark_all_as_read" : "Nodi'r cyfan fel wedi ei ddarllen",

src/main/app/i18n/da.js

@@ -41,7 +41,6 @@
     "refresh" : "Opdater",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Sorter efter dato ny/gammel",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only" : "Kun titler",
     "expanded_view" : "Udvidet visning",
     "mark_all_as_read" : "Marker alle som læst",

src/main/app/i18n/de.js

@@ -41,7 +41,6 @@
     "refresh" : "Aktualisieren",
     "refresh_all" : "Erzwinge Aktualisierung aller Feeds",
     "sort_by_asc_desc" : "Nach Datum sortieren (auf-/absteigend)",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Nur Überschriften",
     "expanded_view" : "Ausgedehnte Ansicht",
     "mark_all_as_read" : "Alle Artikel als gelesen markieren",

src/main/app/i18n/en.js

@@ -41,7 +41,6 @@
     "refresh" : "Refresh",
     "refresh_all" : "Force refresh all my feeds",
     "sort_by_asc_desc" : "Sort by date asc/desc",
-    "sort_by_abc_zyx" : "Sort alphabetically",
     "titles_only" : "Titles only",
     "expanded_view" : "Expanded view",
     "mark_all_as_read" : "Mark all as read",

src/main/app/i18n/es.js

@@ -43,7 +43,6 @@
     "refresh" : "Actualizar",
     "refresh_all" : "Forzar la actualización de todos mis canales.",
     "sort_by_asc_desc" : "Ordenar por fecha asc/desc.",
-    "sort_by_abc_zyx" : "Ordenar alfabéticamente",
     "titles_only" : "Sólo títulos",
     "expanded_view" : "Vista expandida",
     "mark_all_as_read" : "Marcar todos como leído",

src/main/app/i18n/fa.js

@@ -41,7 +41,6 @@
     "refresh" : "تازه‌سازی",
     "refresh_all" : "مجبورکردن تازه‌سازی همهٔ خوراک‌ها",
     "sort_by_asc_desc" : "مرتب‌کردن بر اساس تاریخ به‌صورت صعودی/نزولی",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "فقط عنوان‌ها",
     "expanded_view" : "نمای گسترش‌یافته",
     "mark_all_as_read" : "علامت‌گذاری تمامی مطالب به‌عنوان خوانده‌شده",

src/main/app/i18n/fi.js

@@ -41,7 +41,6 @@
     "refresh" : "Päivitä",
     "refresh_all" : "Pakota kaikkien syötteiden päivitys",
     "sort_by_asc_desc" : "Järjestä päivämäärän mukaan nousevasti/laskevasti",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Näytä vain otsikot",
     "expanded_view" : "Laajennettu näkymä",
     "mark_all_as_read" : "Merkitse kaikki luetuiksi",

src/main/app/i18n/fr.js

@@ -41,7 +41,6 @@
     "refresh" : "Rafraîchir",
     "refresh_all" : "Rafraîchir tous les flux",
     "sort_by_asc_desc" : "Trier par date croissante/décroissante",
-    "sort_by_abc_zyx" : "Trier par ordre alphabétique",
     "titles_only" : "Titres uniquement",
     "expanded_view" : "Vue étendue",
     "mark_all_as_read" : "Tout marquer comme lu",

src/main/app/i18n/gl.js

@@ -41,7 +41,6 @@
     "refresh" : "Actualizar",
     "refresh_all" : "Forzar a actualización de todas as fontes ",
     "sort_by_asc_desc" : "Ordenar por data asc/desc",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Só títulos",
     "expanded_view" : "Vista expandida",
     "mark_all_as_read" : "Marcar todos como lidos",

src/main/app/i18n/glk.js

@@ -41,7 +41,6 @@
     "refresh" : "واج‌أری",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "تاریخˇ سر دچئن",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "خالی تیتران",
     "expanded_view" : "واشاده نما",
     "mark_all_as_read" : "همه‌ته مطالبه چاکون بخانده",

src/main/app/i18n/hu.js

@@ -41,7 +41,6 @@
     "refresh" : "Frissítés",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Rendezés időrend szerint",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Csak cím",
     "expanded_view" : "Részletes nézet",
     "mark_all_as_read" : "Az összes megjelölése olvasottként",

src/main/app/i18n/id.js

@@ -41,7 +41,6 @@
     "refresh" : "Segarkan",
     "refresh_all" : "Memaksa menyegarkan semua umpan saya",
     "sort_by_asc_desc" : "Urutkan menurut tanggal asc/desc",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Hanya Judul",
     "expanded_view" : "Penglihatan diperluas",
     "mark_all_as_read" : "Tandai semua sebagai telah dibaca",

src/main/app/i18n/it.js

@@ -41,7 +41,6 @@
     "refresh" : "Aggiorna",
     "refresh_all" : "Forza l'aggiornamento di tutti i feed",
     "sort_by_asc_desc" : "Ordina per data crescente/decrescente",
-    "sort_by_abc_zyx" : "Ordina alfabeticamente",
     "titles_only" : "Solo i titoli",
     "expanded_view" : "Espandi",
     "mark_all_as_read" : "Segna tutti come già letti",

src/main/app/i18n/ja.js

@@ -41,7 +41,6 @@
     "refresh" : "更新",
     "refresh_all" : "全てのフィードを更新",
     "sort_by_asc_desc" : "日時でソート",
-    "sort_by_abc_zyx" : "名前でソート",
     "titles_only" : "タイトルのみ",
     "expanded_view" : "拡張ビュー",
     "mark_all_as_read" : "全て既読にする",

src/main/app/i18n/ko.js

@@ -41,7 +41,6 @@
     "refresh" : "새로고침",
     "refresh_all" : "모든 피드를 강제로 새로고침",
     "sort_by_asc_desc" : "날짜별 오름차/내림차순 정렬",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "제목만 표시하기",
     "expanded_view" : "Expanded View",
     "mark_all_as_read" : "읽음으로 표시",

src/main/app/i18n/ms.js

@@ -41,7 +41,6 @@
     "refresh" : "Refresh",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Aturkan mengikut tarikh (baru/lama)",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Tajuk sahaja",
     "expanded_view" : "Wide view",
     "mark_all_as_read" : "Tanda kesemuanya telah dibaca",

src/main/app/i18n/nb.js

@@ -41,7 +41,6 @@
     "refresh" : "Oppdater",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Sorter etter dato ny/gammel",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Kun titler",
     "expanded_view" : "Utvidet visning",
     "mark_all_as_read" : "Merk alle som lest",

src/main/app/i18n/nl.js

@@ -41,7 +41,6 @@
     "refresh" : "Vernieuwen",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Sorteer op datum opl/afl",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Alleen titels",
     "expanded_view" : "Uitgebreide weergave",
     "mark_all_as_read" : "Markeer alles als gelezen",

src/main/app/i18n/nn.js

@@ -41,7 +41,6 @@
     "refresh" : "Oppdater",
     "refresh_all" : "Force refresh all my feeds ",
     "sort_by_asc_desc" : "Sorter etter dato ny/gamal",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Berre titlar",
     "expanded_view" : "Utvida visning",
     "mark_all_as_read" : "Merk alle som lesne",

src/main/app/i18n/pl.js

@@ -41,7 +41,6 @@
     "refresh" : "Odswież",
     "refresh_all" : "Odśwież teraz wszystkie kanały ",
     "sort_by_asc_desc" : "Sortuj od najnowszego/najstarszego",
-    "sort_by_abc_zyx" : "Sortuj alfabetycznie",
     "titles_only" : "Widok listy",
     "expanded_view" : "Widok rozwinięty",
     "mark_all_as_read" : "Oznacz wszystko jako przeczytane",

src/main/app/i18n/pt.js

@@ -41,7 +41,6 @@
     "refresh" : "Atualizar",
     "refresh_all" : "Forçar atualização de todos os meus feeds",
     "sort_by_asc_desc" : "Ordenar por data cresc/decres",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Somente títulos",
     "expanded_view" : "Modo Expandido",
     "mark_all_as_read" : "Marcar tudo como lido",

src/main/app/i18n/ru.js

@@ -41,7 +41,6 @@
     "refresh" : "Обновить",
     "refresh_all" : "Обновить все подписки вручную",
     "sort_by_asc_desc" : "Сначала новые/старые",
-    "sort_by_abc_zyx" : "По алфавиту",
     "titles_only" : "Только заголовки",
     "expanded_view" : "Развёрнутый вид",
     "mark_all_as_read" : "Отметить всё как прочитанное",

src/main/app/i18n/sk.js

@@ -41,7 +41,6 @@
     "refresh" : "Obnoviť",
     "refresh_all" : "Vynútené obnovenie všetkých položiek",
     "sort_by_asc_desc" : "Zoradiť podľa najnovšieho/najstaršieho",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Náhľad titulkov",
     "expanded_view" : "Rozšírený náhľad",
     "mark_all_as_read" : "Označiť všetky ako prečítané",

src/main/app/i18n/sv.js

@@ -41,7 +41,6 @@
     "refresh" : "Uppdatera",
     "refresh_all" : "Tvinga uppdatering av alla prenumerationer",
     "sort_by_asc_desc" : "Sortera efter datum stigande/fallande",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Endast titlar",
     "expanded_view" : "Expanderad vy",
     "mark_all_as_read" : "Markera alla som lästa",

src/main/app/i18n/tr.js

@@ -41,7 +41,6 @@
     "refresh" : "Yenile",
     "refresh_all" : "Tüm yayınları yenilemek için zorla",
     "sort_by_asc_desc" : "Tarihe göre sırala artan/azalan",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "Sadece başlıklar",
     "expanded_view" : "Genişletilmiş görünüm",
     "mark_all_as_read" : "Tümünü okundu işaretle",

src/main/app/i18n/zh.js

@@ -41,7 +41,6 @@
     "refresh" : "刷新",
     "refresh_all" : "刷新所有订阅",
     "sort_by_asc_desc" : "按日期升序/降序排序",
-    "sort_by_abc_zyx" : "Sort Alphabetically",
     "titles_only" : "仅显示标题",
     "expanded_view" : "显示内容",
     "mark_all_as_read" : "标记所有为已读",

src/main/app/js/controllers.js

@@ -529,10 +529,6 @@ module.controller('ToolbarCtrl', [
 				var settings = $scope.settingsService.settings;
 				settings.readingOrder = settings.readingOrder == 'desc' ? 'asc' : 'desc';
 			};
-			$scope.toggleAbcOrder = function() {
-				var settings = $scope.settingsService.settings;
-				settings.readingOrder = settings.readingOrder == 'abc' ? 'zyx' : 'abc';
-			};
 
 			$scope.toAdmin = function() {
 				$location.path('admin');

src/main/app/templates/_toolbar.html

@@ -71,10 +71,6 @@
 						ng-class="{'active' : settingsService.settings.readingOrder == 'asc' || settingsService.settings.readingOrder == 'desc'}">
 						<i ng-class="{'icon-arrow-up' : settingsService.settings.readingOrder == 'asc', 'icon-arrow-down': settingsService.settings.readingOrder != 'asc'}"></i>
 					</a>
-					<button type="button" class="btn btn-default" ng-click="toggleAbcOrder()" title="{{ 'toolbar.sort_by_abc_zyx' | translate }}"
-						ng-class="{'active' : settingsService.settings.readingOrder == 'abc' || settingsService.settings.readingOrder == 'zyx'}">
-						<i ng-class="{'icon-sort-by-alphabet' : settingsService.settings.readingOrder != 'zyx', 'icon-sort-by-alphabet-alt': settingsService.settings.readingOrder == 'zyx'}"></i>
-					</button>
 				</div>
 
 				<div class="btn-group" id="toolbar-read-view-settings">

src/main/java/com/commafeed/backend/dao/FeedEntryStatusDAO.java

@@ -38,14 +38,14 @@ import com.querydsl.jpa.impl.JPAQuery;
 @Singleton
 public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
 
-	private FeedEntryDAO feedEntryDAO;
+	private final FeedEntryDAO feedEntryDAO;
-	private FeedEntryTagDAO feedEntryTagDAO;
+	private final FeedEntryTagDAO feedEntryTagDAO;
-	private CommaFeedConfiguration config;
+	private final CommaFeedConfiguration config;
 
-	private QFeedEntryStatus status = QFeedEntryStatus.feedEntryStatus;
+	private final QFeedEntryStatus status = QFeedEntryStatus.feedEntryStatus;
-	private QFeedEntry entry = QFeedEntry.feedEntry;
+	private final QFeedEntry entry = QFeedEntry.feedEntry;
-	private QFeedEntryContent content = QFeedEntryContent.feedEntryContent;
+	private final QFeedEntryContent content = QFeedEntryContent.feedEntryContent;
-	private QFeedEntryTag entryTag = QFeedEntryTag.feedEntryTag;
+	private final QFeedEntryTag entryTag = QFeedEntryTag.feedEntryTag;
 
 	@Inject
 	public FeedEntryStatusDAO(SessionFactory sessionFactory, FeedEntryDAO feedEntryDAO, FeedEntryTagDAO feedEntryTagDAO,
@@ -68,18 +68,6 @@ public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
 
 	private static final Comparator<FeedEntryStatus> STATUS_COMPARATOR_ASC = Ordering.from(STATUS_COMPARATOR_DESC).reverse();
 
-	private static final Comparator<FeedEntryStatus> STATUS_COMPARATOR_ABC = new Comparator<FeedEntryStatus>() {
-		@Override
-		public int compare(FeedEntryStatus o1, FeedEntryStatus o2) {
-			CompareToBuilder builder = new CompareToBuilder();
-			builder.append(o1.getEntry().getContent().getTitle(), o2.getEntry().getContent().getTitle());
-			builder.append(o1.getId(), o2.getId());
-			return builder.toComparison();
-		}
-	};
-
-	private static final Comparator<FeedEntryStatus> STATUS_COMPARATOR_ZYX = Ordering.from(STATUS_COMPARATOR_ABC).reverse();
-
 	public FeedEntryStatus getStatus(User user, FeedSubscription sub, FeedEntry entry) {
 		List<FeedEntryStatus> statuses = query().selectFrom(status).where(status.entry.eq(entry), status.subscription.eq(sub)).fetch();
 		FeedEntryStatus status = Iterables.getFirst(statuses, null);
@@ -113,12 +101,8 @@ public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
 
 		if (order == ReadingOrder.asc) {
 			query.orderBy(status.entryUpdated.asc(), status.id.asc());
-		} else if (order == ReadingOrder.desc) {
+		} else {
 			query.orderBy(status.entryUpdated.desc(), status.id.desc());
-		} else if (order == ReadingOrder.abc) {
-			query.orderBy(status.entry.content.title.asc(), status.id.desc());
-		} else { // order == ReadingOrder.xyz
-			query.orderBy(status.entry.content.title.desc(), status.id.desc());
 		}
 
 		query.offset(offset).limit(limit);
@@ -178,36 +162,27 @@ public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
 		if (last != null) {
 			if (order == ReadingOrder.desc) {
 				query.where(entry.updated.gt(last.getEntryUpdated()));
-			} else if (order == ReadingOrder.asc) {
+			} else {
 				query.where(entry.updated.lt(last.getEntryUpdated()));
-			} else if (order == ReadingOrder.abc) {
-				query.join(entry.content, content);
-				query.where(content.title.lt(last.getEntry().getContent().getTitle()));
-			} else { // order == ReadingOrder.zyx
-				query.join(entry.content, content);
-				query.where(content.title.gt(last.getEntry().getContent().getTitle()));
 			}
-		} else if (order != null && (order == ReadingOrder.abc || order == ReadingOrder.zyx)) {
-			query.join(entry.content, content);
 		}
 
 		if (order != null) {
 			if (order == ReadingOrder.asc) {
 				query.orderBy(entry.updated.asc(), entry.id.asc());
-			} else if (order == ReadingOrder.desc) {
+			} else {
 				query.orderBy(entry.updated.desc(), entry.id.desc());
-			} else if (order == ReadingOrder.abc) {
-				query.orderBy(content.title.asc(), entry.id.asc());
-			} else { // order == ReadingOrder.zyx
-				query.orderBy(content.title.desc(), entry.id.desc());
 			}
 		}
+
 		if (offset > -1) {
 			query.offset(offset);
 		}
+
 		if (limit > -1) {
 			query.limit(limit);
 		}
+
 		setTimeout(query, config.getApplicationSettings().getQueryTimeout());
 		return query;
 	}
@@ -217,18 +192,9 @@ public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
 			boolean onlyIds, String tag) {
 		int capacity = offset + limit;
 
-		Comparator<FeedEntryStatus> comparator;
+		Comparator<FeedEntryStatus> comparator = order == ReadingOrder.desc ? STATUS_COMPARATOR_DESC : STATUS_COMPARATOR_ASC;
-		if (order == ReadingOrder.desc) {
-			comparator = STATUS_COMPARATOR_DESC;
-		} else if (order == ReadingOrder.abc) {
-			comparator = STATUS_COMPARATOR_ABC;
-		} else if (order == ReadingOrder.zyx) {
-			comparator = STATUS_COMPARATOR_ZYX;
-		} else {
-			comparator = STATUS_COMPARATOR_ASC;
-		}
 
-		FixedSizeSortedSet<FeedEntryStatus> set = new FixedSizeSortedSet<FeedEntryStatus>(capacity, comparator);
+		FixedSizeSortedSet<FeedEntryStatus> set = new FixedSizeSortedSet<>(capacity, comparator);
 		for (FeedSubscription sub : subs) {
 			FeedEntryStatus last = (order != null && set.isFull()) ? set.last() : null;
 			JPAQuery<FeedEntry> query = buildQuery(user, sub, unreadOnly, keywords, newerThan, -1, capacity, order, last, tag);

src/main/java/com/commafeed/backend/model/UserSettings.java

@@ -27,7 +27,7 @@ public class UserSettings extends AbstractModel {
 	}
 
 	public enum ReadingOrder {
-		asc, desc, abc, zyx
+		asc, desc
 	}
 
 	public enum ViewMode {

src/main/java/com/commafeed/frontend/servlet/NextUnreadServlet.java

@@ -32,7 +32,7 @@ import com.google.common.collect.Iterables;
 import lombok.RequiredArgsConstructor;
 
 @SuppressWarnings("serial")
-@RequiredArgsConstructor(onConstructor = @__({ @Inject }) )
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
 @Singleton
 public class NextUnreadServlet extends HttpServlet {
 
@@ -61,18 +61,7 @@ public class NextUnreadServlet extends HttpServlet {
 			return;
 		}
 
-		final ReadingOrder order = (StringUtils.equals(orderParam, "asc") ?
+		final ReadingOrder order = StringUtils.equals(orderParam, "asc") ? ReadingOrder.asc : ReadingOrder.desc;
-										ReadingOrder.asc :
-										(
-										StringUtils.equals(orderParam, "desc") ?
-											ReadingOrder.desc :
-											(
-											StringUtils.equals(orderParam, "abc") ?
-												ReadingOrder.abc :
-												(ReadingOrder.zyx)
-											)
-										)
-									);
 
 		FeedEntryStatus status = UnitOfWork.call(sessionFactory, () -> {
 			FeedEntryStatus s = null;