fix(series): show selected books in KOReader series views

Pass bulk selection state through the dedicated series-page model so grid and list layouts render the same selection cues as the library.

Closes #1956

koreader-plugin/bookorbit.koplugin/bookorbit_catalog_lists.lua

@@ -1221,6 +1221,8 @@ function CatalogLists:listBody(kind, context)
         local m = {
             entries = books, view = self:listView(kind), screen_w = sw, screen_h = sh, local_page = context.local_page,
             offline = context.list_offline and {} or nil,
+            select = self:isBulkSelectionActive(),
+            selected = function(b) return self.bulk_select_all or self:bulkIsBookSelected(b) end,
             order_label = (context.params or {}).sort == "title" and _("Title A–Z") or _("Reading order"),
             states = states, indexes = indexes, current_index = cur, next_book = next_book,
             range = #books > 0 and T(_("Books %1 – %2"), first, last) or nil,

koreader-plugin/bookorbit.koplugin/bookorbit_list_pages.lua

@@ -255,6 +255,8 @@ function Pages.seriesBody(m, f)
         local short = ListData.distinctTitles(books)
         content = ListView.cellsGrid(list_w, g, books, function(b)
             return ListView.bookCell(g, b, {
+                select = m.select,
+                selected = m.selected and m.selected(b),
                 title = function(x) return x.seriesIndex and (tostring(x.seriesIndex) .. ". " .. (short[x.id] or x.title or "")) or (short[x.id] or x.title or "") end,
                 meta = function(x)
                     local st = ListData.stateOf(x)
@@ -272,7 +274,12 @@ function Pages.seriesBody(m, f)
         content = ListView.indexList(list_w, list_h, {
             entries = books, rows_per_col = rows.n, row_h = rows.rh, cols = 1, gutter = 34, rail = false,
             groupOf = function(b) return "#" .. tostring(b.seriesIndex or "") end, group_rules = false,
-            row = function(w, hh, b) return ListView.bookRow(w, hh, b, { context = "series" }) end, action = m.action,
+            row = function(w, hh, b) return ListView.bookRow(w, hh, b, {
+                select = m.select,
+                selected = m.selected and m.selected(b),
+                context = "series",
+            }) end,
+            action = m.action,
         })
     end
     local list = vstack({ w = list_w }, { head, space(nil, px(8)), content })

koreader-plugin/spec/bookorbit_series_paging_test.lua

@@ -41,4 +41,24 @@ assert(catalog:listFetchCompleteSeries({ page = 1, size = 100, sort = "title" },
     "ordinary book lists keep server pagination")
 assert(#requested == 0, "ordinary book lists do not fetch ahead")
 
+local first_book = { id = 1, title = "First", seriesIndex = 1 }
+local second_book = { id = 2, title = "Second", seriesIndex = 2 }
+package.loaded["bookorbit_list_data"].stateOf = function() return "unread" end
+package.loaded["bookorbit_list_pages"].seriesLayout = function()
+    return { pages = 1, first = 2, rest = 2 }
+end
+function catalog:listScreen() return 600, 800 end
+function catalog:listView() return "grid" end
+function catalog:isBulkSelectionActive() return true end
+function catalog:bulkIsBookSelected(book) return book.id == first_book.id end
+function catalog:listMinutesLeft() return nil end
+local _, model = catalog:listBody("seriespage", {
+    books = { first_book, second_book },
+    params = { seriesId = 42, sort = "title" },
+    series_summary = { total = 2, finished = 0, reading = 0 },
+})
+assert(model.select == true, "a series page exposes active selection mode to its book cards")
+assert(model.selected(first_book) == true, "a series page marks the selected book")
+assert(model.selected(second_book) == false, "a series page leaves unselected books unmarked")
+
 print("bookorbit_series_paging_test.lua: ok")