Limit feed/category entry pagination to unread entries when coming from unread entry list

internal/template/templates/views/category_entries.html

@@ -56,7 +56,11 @@
                     {{ if ne .Feed.Icon.IconID 0 }}
                         <img src="{{ route "icon" "iconID" .Feed.Icon.IconID }}" width="16" height="16" loading="lazy" alt="{{ .Feed.Title }}">
                     {{ end }}
+                    {{ if $.showOnlyUnreadEntries }}
+                      <a href="{{ route "unreadCategoryEntry" "categoryID" .Feed.Category.ID "entryID" .ID }}">{{ .Title }}</a>
+                    {{ else }}
                       <a href="{{ route "categoryEntry" "categoryID" .Feed.Category.ID "entryID" .ID }}">{{ .Title }}</a>
+                    {{ end }}
                 </span>
                 <span class="category"><a href="{{ route "categoryEntries" "categoryID" .Feed.Category.ID }}">{{ .Feed.Category.Title }}</a></span>
             </div>

internal/template/templates/views/feed_entries.html

@@ -88,7 +88,11 @@
                     {{ if ne .Feed.Icon.IconID 0 }}
                         <img src="{{ route "icon" "iconID" .Feed.Icon.IconID }}" width="16" height="16" loading="lazy" alt="{{ .Feed.Title }}">
                     {{ end }}
+                    {{ if $.showOnlyUnreadEntries }}
+                      <a href="{{ route "unreadFeedEntry" "feedID" .Feed.ID "entryID" .ID }}">{{ .Title }}</a>
+                    {{ else }}
                       <a href="{{ route "feedEntry" "feedID" .Feed.ID "entryID" .ID }}">{{ .Title }}</a>
+                    {{ end }}
                 </span>
                 <span class="category"><a href="{{ route "categoryEntries" "categoryID" .Feed.Category.ID }}">{{ .Feed.Category.Title }}</a></span>
             </div>

internal/ui/ui.go

@@ -73,11 +73,13 @@ func Serve(router *mux.Router, store *storage.Storage, pool *worker.Pool) {
 	uiRouter.HandleFunc("/feed/{feedID}/entries", handler.showFeedEntriesPage).Name("feedEntries").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/feed/{feedID}/entries/all", handler.showFeedEntriesAllPage).Name("feedEntriesAll").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/feed/{feedID}/entry/{entryID}", handler.showFeedEntryPage).Name("feedEntry").Methods(http.MethodGet)
+	uiRouter.HandleFunc("/unread/feed/{feedID}/entry/{entryID}", handler.showUnreadFeedEntryPage).Name("unreadFeedEntry").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/feed/icon/{iconID}", handler.showIcon).Name("icon").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/feed/{feedID}/mark-all-as-read", handler.markFeedAsRead).Name("markFeedAsRead").Methods(http.MethodPost)
 
 	// Category pages.
 	uiRouter.HandleFunc("/category/{categoryID}/entry/{entryID}", handler.showCategoryEntryPage).Name("categoryEntry").Methods(http.MethodGet)
+	uiRouter.HandleFunc("/unread/category/{categoryID}/entry/{entryID}", handler.showUnreadCategoryEntryPage).Name("unreadCategoryEntry").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/categories", handler.showCategoryListPage).Name("categories").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/category/create", handler.showCreateCategoryPage).Name("createCategory").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/category/save", handler.saveCategory).Name("saveCategory").Methods(http.MethodPost)

internal/ui/unread_entry_category.go

@@ -0,0 +1,105 @@
+// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package ui // import "miniflux.app/v2/internal/ui"
+
+import (
+	"net/http"
+
+	"miniflux.app/v2/internal/http/request"
+	"miniflux.app/v2/internal/http/response/html"
+	"miniflux.app/v2/internal/http/route"
+	"miniflux.app/v2/internal/model"
+	"miniflux.app/v2/internal/storage"
+	"miniflux.app/v2/internal/ui/session"
+	"miniflux.app/v2/internal/ui/view"
+)
+
+func (h *handler) showUnreadCategoryEntryPage(w http.ResponseWriter, r *http.Request) {
+	user, err := h.store.UserByID(request.UserID(r))
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	categoryID := request.RouteInt64Param(r, "categoryID")
+	entryID := request.RouteInt64Param(r, "entryID")
+
+	builder := h.store.NewEntryQueryBuilder(user.ID)
+	builder.WithCategoryID(categoryID)
+	builder.WithEntryID(entryID)
+	builder.WithoutStatus(model.EntryStatusRemoved)
+
+	entry, err := builder.GetEntry()
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	if entry == nil {
+		html.NotFound(w, r)
+		return
+	}
+
+	if user.MarkReadOnView && entry.Status == model.EntryStatusUnread {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusRead)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+
+		entry.Status = model.EntryStatusRead
+	}
+
+	entryPaginationBuilder := storage.NewEntryPaginationBuilder(h.store, user.ID, entry.ID, user.EntryOrder, user.EntryDirection)
+	entryPaginationBuilder.WithCategoryID(categoryID)
+	entryPaginationBuilder.WithStatus(model.EntryStatusUnread)
+
+	if entry.Status == model.EntryStatusRead {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusUnread)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+	}
+
+	prevEntry, nextEntry, err := entryPaginationBuilder.Entries()
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	nextEntryRoute := ""
+	if nextEntry != nil {
+		nextEntryRoute = route.Path(h.router, "unreadCategoryEntry", "categoryID", categoryID, "entryID", nextEntry.ID)
+	}
+
+	prevEntryRoute := ""
+	if prevEntry != nil {
+		prevEntryRoute = route.Path(h.router, "unreadCategoryEntry", "categoryID", categoryID, "entryID", prevEntry.ID)
+	}
+
+	// Restore entry read status if needed after fetching the pagination.
+	if entry.Status == model.EntryStatusRead {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusRead)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+	}
+
+	sess := session.New(h.store, request.SessionID(r))
+	view := view.New(h.tpl, r, sess)
+	view.Set("entry", entry)
+	view.Set("prevEntry", prevEntry)
+	view.Set("nextEntry", nextEntry)
+	view.Set("nextEntryRoute", nextEntryRoute)
+	view.Set("prevEntryRoute", prevEntryRoute)
+	view.Set("menu", "categories")
+	view.Set("user", user)
+	view.Set("countUnread", h.store.CountUnreadEntries(user.ID))
+	view.Set("countErrorFeeds", h.store.CountUserFeedsWithErrors(user.ID))
+	view.Set("hasSaveEntry", h.store.HasSaveEntry(user.ID))
+
+	html.OK(w, r, view.Render("entry"))
+}

internal/ui/unread_entry_feed.go

@@ -0,0 +1,105 @@
+// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package ui // import "miniflux.app/v2/internal/ui"
+
+import (
+	"net/http"
+
+	"miniflux.app/v2/internal/http/request"
+	"miniflux.app/v2/internal/http/response/html"
+	"miniflux.app/v2/internal/http/route"
+	"miniflux.app/v2/internal/model"
+	"miniflux.app/v2/internal/storage"
+	"miniflux.app/v2/internal/ui/session"
+	"miniflux.app/v2/internal/ui/view"
+)
+
+func (h *handler) showUnreadFeedEntryPage(w http.ResponseWriter, r *http.Request) {
+	user, err := h.store.UserByID(request.UserID(r))
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	entryID := request.RouteInt64Param(r, "entryID")
+	feedID := request.RouteInt64Param(r, "feedID")
+
+	builder := h.store.NewEntryQueryBuilder(user.ID)
+	builder.WithFeedID(feedID)
+	builder.WithEntryID(entryID)
+	builder.WithoutStatus(model.EntryStatusRemoved)
+
+	entry, err := builder.GetEntry()
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	if entry == nil {
+		html.NotFound(w, r)
+		return
+	}
+
+	if user.MarkReadOnView && entry.Status == model.EntryStatusUnread {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusRead)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+
+		entry.Status = model.EntryStatusRead
+	}
+
+	entryPaginationBuilder := storage.NewEntryPaginationBuilder(h.store, user.ID, entry.ID, user.EntryOrder, user.EntryDirection)
+	entryPaginationBuilder.WithFeedID(feedID)
+	entryPaginationBuilder.WithStatus(model.EntryStatusUnread)
+
+	if entry.Status == model.EntryStatusRead {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusUnread)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+	}
+
+	prevEntry, nextEntry, err := entryPaginationBuilder.Entries()
+	if err != nil {
+		html.ServerError(w, r, err)
+		return
+	}
+
+	nextEntryRoute := ""
+	if nextEntry != nil {
+		nextEntryRoute = route.Path(h.router, "unreadFeedEntry", "feedID", feedID, "entryID", nextEntry.ID)
+	}
+
+	prevEntryRoute := ""
+	if prevEntry != nil {
+		prevEntryRoute = route.Path(h.router, "unreadFeedEntry", "feedID", feedID, "entryID", prevEntry.ID)
+	}
+
+	// Restore entry read status if needed after fetching the pagination.
+	if entry.Status == model.EntryStatusRead {
+		err = h.store.SetEntriesStatus(user.ID, []int64{entry.ID}, model.EntryStatusRead)
+		if err != nil {
+			html.ServerError(w, r, err)
+			return
+		}
+	}
+
+	sess := session.New(h.store, request.SessionID(r))
+	view := view.New(h.tpl, r, sess)
+	view.Set("entry", entry)
+	view.Set("prevEntry", prevEntry)
+	view.Set("nextEntry", nextEntry)
+	view.Set("nextEntryRoute", nextEntryRoute)
+	view.Set("prevEntryRoute", prevEntryRoute)
+	view.Set("menu", "feeds")
+	view.Set("user", user)
+	view.Set("countUnread", h.store.CountUnreadEntries(user.ID))
+	view.Set("countErrorFeeds", h.store.CountUserFeedsWithErrors(user.ID))
+	view.Set("hasSaveEntry", h.store.HasSaveEntry(user.ID))
+
+	html.OK(w, r, view.Render("entry"))
+}