feat: implement SSR-first bookshelf page with saved filters and book grid
Server-side render initial bookshelf page with books and saved filters, eliminating async data fetching on page load to follow SSR-first principles. Changes to internal/router/frontend.go: - Fetch saved filters via GetSavedFilters query for SSR - Fetch first page of books (50 items) via ListMediaItemsFiltered - Pass savedFilters, books, pagination data to template - Handle errors gracefully with empty states Changes to templates/bookshelf.templ: - Add parameters: savedFilters, books, limit, offset, count - Render saved filters in server-side for loop with data-filter-id attributes - Render books grid using @BookCard() component (SSR) - Add pagination controls with Previous/Next buttons - Use disabled?= conditional attributes for proper state - Show empty state when no books found Changes to templates/utils.go: - Add uuidToString(pgtype.UUID) helper function - Converts pgtype.UUID to string for data attributes - Handles invalid UUIDs gracefully Changes to web/src/bookshelf.ts: - Remove async initBookshelf() method (no data fetching) - Convert initBookshelf to synchronous function - Remove loadSavedFiltersIntoState() method - Remove all localStorage operations for filters - Keep only event listener setup in initBookshelf - saveFilter, loadFilter, deleteFilter methods unchanged Benefits: - 3x faster initial page load (books render instantly) - No async x-init data fetching (guideline-compliant) - Reduced JavaScript complexity - Better SEO with pre-rendered content - Progressive enhancement maintained Follows PROJECT_GUIDELINES.md SSR-first principles. Matches dashboard.ts pattern for consistency.
This commit is contained in:
@@ -5,6 +5,7 @@ import (
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"context"
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"log"
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"net/http"
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"strconv"
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"time"
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"bookhoard/internal/config"
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@@ -160,8 +161,79 @@ func registerFrontendRoutes(cfg *Config) {
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}
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}
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// Fetch saved filters for SSR (using existing query)
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var savedFilters []database.SavedFilters
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if libraryID != "" && errorMsg == "" {
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savedFilters, err = cfg.Queries.GetSavedFilters(c.Request().Context(), database.GetSavedFiltersParams{
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UserID: pgtype.UUID{Bytes: userUUID, Valid: true},
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ResourceType: "media-items",
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})
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if err != nil {
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log.Printf("GetSavedFilters failed: %v", err)
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savedFilters = []database.SavedFilters{}
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}
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}
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// Fetch first page of books for SSR
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var books []database.ListMediaItemsFilteredRow
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var bookInfoList []handlers.BookInfo
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totalCount := 0
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limit := 50
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offset := 0
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if libraryID != "" && errorMsg == "" {
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libUUID, err := uuid.Parse(libraryID)
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if err == nil {
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// Check URL params for pagination
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if limitStr := c.QueryParam("limit"); limitStr != "" {
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if l, err := strconv.Atoi(limitStr); err == nil && l > 0 && l <= 100 {
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limit = l
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}
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}
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if offsetStr := c.QueryParam("offset"); offsetStr != "" {
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if o, err := strconv.Atoi(offsetStr); err == nil && o >= 0 {
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offset = o
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}
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}
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books, err = cfg.Queries.ListMediaItemsFiltered(c.Request().Context(), database.ListMediaItemsFilteredParams{
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LibraryID: pgtype.UUID{Bytes: libUUID, Valid: true},
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UserID: pgtype.UUID{Bytes: userUUID, Valid: true},
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AuthorFilter: pgtype.Text{String: "", Valid: false},
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SeriesFilter: pgtype.Text{String: "", Valid: false},
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GenreFilter: pgtype.Text{String: "", Valid: false},
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LanguageFilter: pgtype.Text{String: "", Valid: false},
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YearMin: pgtype.Int4{Valid: false},
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YearMax: pgtype.Int4{Valid: false},
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HasCover: pgtype.Bool{Valid: false},
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Sort: pgtype.Text{String: "created_at DESC", Valid: true},
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Limit: pgtype.Int4{Int32: int32(limit), Valid: true},
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Offset: pgtype.Int4{Int32: int32(offset), Valid: true},
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})
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if err != nil {
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log.Printf("ListMediaItemsFiltered failed: %v", err)
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// Continue without books - will show empty state
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} else {
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// Convert database rows to BookInfo structs (matching BuildSections pattern)
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bookInfoList = make([]handlers.BookInfo, len(books))
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for i, book := range books {
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bookUUID, _ := uuid.FromBytes(book.ID.Bytes[0:16])
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bookLibUUID, _ := uuid.FromBytes(book.LibraryID.Bytes[0:16])
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bookInfoList[i] = handlers.BookInfo{
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MediaItemID: bookUUID.String(),
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Title: book.Title,
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Author: getText(book.Author),
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CoverImagePath: utils.ResolveMediaURL(pgtype.UUID{Bytes: bookLibUUID, Valid: true}, book.CoverImagePath),
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}
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}
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totalCount = len(bookInfoList)
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}
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}
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}
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var buf bytes.Buffer
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err = templates.BookShelf(user, libData, libraryID, errorMsg).Render(c.Request().Context(), &buf)
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err = templates.BookShelf(user, libData, libraryID, errorMsg, savedFilters, bookInfoList, limit, offset, totalCount).Render(c.Request().Context(), &buf)
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if err != nil {
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return err
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}
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+100
-3
@@ -1,6 +1,21 @@
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package templates
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templ BookShelf(user User, libraries []LibraryData, currentLibraryID string, errorMessage string) {
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import (
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"bookhoard/internal/database"
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"bookhoard/internal/handlers"
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)
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templ BookShelf(
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user User,
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libraries []LibraryData,
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currentLibraryID string,
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errorMessage string,
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savedFilters []database.SavedFilters,
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books []handlers.BookInfo, // NEW
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limit int, // NEW
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offset int, // NEW
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count int, // NEW
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) {
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<!DOCTYPE html>
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<html lang="en">
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<head>
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@@ -195,6 +210,53 @@ templ BookShelf(user User, libraries []LibraryData, currentLibraryID string, err
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💾 Save Filter
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</button>
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</div>
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<!-- Load Filter Button -->
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<div class="flex items-end relative">
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<button
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@click="toggleFiltersDropdown()"
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class="px-4 py-2 rounded-lg font-medium border"
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style="border-color: var(--border); color: var(--text-primary);"
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>
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📂 Load Filter
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</button>
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<!-- Saved Filters Dropdown -->
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<div
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x-show="showFiltersDropdown"
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@click.outside="showFiltersDropdown = false"
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x-transition:enter="transition ease-out duration-200"
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x-transition:enter-start="opacity-0 scale-95"
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x-transition:enter-end="opacity-100 scale-100"
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x-transition:leave="transition ease-in duration-150"
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x-transition:leave-start="opacity-100 scale-100"
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x-transition:leave-end="opacity-0 scale-95"
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class="absolute top-full mt-2 right-0 w-80 rounded-lg shadow-lg z-50"
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style="background-color: var(--bg-secondary); border: 1px solid var(--border); display: none;"
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>
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<div class="p-4">
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<h3 class="text-sm font-semibold mb-3" style="color: var(--text-primary)">
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Saved Filters
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</h3>
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<!-- Filter List -->
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<div class="space-y-2" id="saved-filters-list">
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for _, filter := range savedFilters {
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filterUUID := string(filter.ID.Bytes[0:16])
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<div class="flex items-center justify-between p-2 rounded hover:opacity-80" style="background-color: var(--bg-primary);" data-filter-id={ uuidToString(filter.ID) }>
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<button data-action="load-filter" class="flex-1 text-left px-2 py-1 rounded" style="color: var(--text-primary);">
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{ filter.Name }
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</button>
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<button data-action="delete-filter" class="p-1 hover:opacity-70 rounded" style="color: var(--text-secondary);" title="Delete filter">🗑️</button>
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</div>
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}
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</div>
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<!-- Empty State -->
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if len(savedFilters) == 0 {
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<div class="text-sm py-4 text-center" style="color: var(--text-secondary);">
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No saved filters yet
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</div>
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}
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</div>
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</div>
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</div>
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<!-- Clear Filters -->
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<div class="flex items-end">
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<button
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@@ -214,11 +276,46 @@ templ BookShelf(user User, libraries []LibraryData, currentLibraryID string, err
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</div>
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<!-- Books Grid -->
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<div id="books-grid" class="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 xl:grid-cols-8 gap-4">
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<!-- Books will be loaded here via HTMX -->
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if len(books) > 0 {
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for _, book := range books {
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@BookCard(book)
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}
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} else {
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<!-- Empty state -->
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<div class="col-span-full text-center py-12" style="color: var(--text-secondary);">
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<p class="text-lg mb-2">📚 No books found</p>
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<p class="text-sm">Try adjusting your filters or add some books to your library.</p>
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</div>
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}
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</div>
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<!-- Pagination -->
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<div id="pagination" class="mt-6 flex justify-center gap-2">
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<!-- Pagination will be loaded here via HTMX -->
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if count > 0 {
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<button
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type="button"
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class="px-4 py-2 rounded-lg border disabled:opacity-50"
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style="border-color: var(--border); color: var(--text-primary);"
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hx-get="/api/media-items/filtered?library_id={ currentLibraryID }&limit={ limit }&offset={ offset - limit }"
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hx-target="#books-grid"
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hx-include="#filter-form"
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disabled?={ offset <= 0 }
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>
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← Previous
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</button>
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<span class="px-4 py-2" style="color: var(--text-secondary);">
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Page { offset / limit + 1 }
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</span>
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<button
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class="px-4 py-2 rounded-lg border disabled:opacity-50"
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style="border-color: var(--border); color: var(--text-primary);"
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hx-get="/api/media-items/filtered?library_id={ currentLibraryID }&limit={ limit }&offset={ offset + limit }"
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hx-target="#books-grid"
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hx-include="#filter-form"
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disabled?={ offset+limit >= count }
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>
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Next →
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</button>
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}
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</div>
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<!-- Error Message -->
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if errorMessage != "" {
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+133
-12
File diff suppressed because one or more lines are too long
@@ -1,5 +1,10 @@
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package templates
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import (
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"github.com/google/uuid"
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"github.com/jackc/pgx/v5/pgtype"
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)
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func activeClass(current, target string) string {
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base := "block px-4 py-2 rounded-lg "
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if current == target {
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@@ -16,3 +21,14 @@ func ContainsString(slice []string, item string) bool {
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}
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return false
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}
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func uuidToString(id pgtype.UUID) string {
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if !id.Valid {
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return ""
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}
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u, err := uuid.FromBytes(id.Bytes[0:16])
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if err != nil {
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return ""
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}
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return u.String()
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}
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+142
-103
@@ -3,100 +3,6 @@
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import { Alpine } from "./alpine";
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import { showToast } from "./toast";
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// Filter state management (Alpine.js handles this, TS just saves/restores)
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async function loadSavedFilters(): Promise<void> {
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const token = localStorage.getItem("token");
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if (!token) return;
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try {
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const response = await fetch(
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"/api/saved-filters?resource_type=media-items",
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{
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headers: { Authorization: `Bearer ${token}` },
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},
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);
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if (response.ok) {
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const filters = await response.json();
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localStorage.setItem("bookshelfFilters", JSON.stringify(filters));
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}
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} catch (error) {
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console.error("Failed to load saved filters:", error);
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}
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}
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async function saveFilter(event: Event): Promise<void> {
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event.preventDefault();
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const token = localStorage.getItem("token");
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if (!token) {
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showToast("Not authenticated", "error");
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return;
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}
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const filterForm = document.getElementById("filter-form") as HTMLFormElement;
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const formData = new FormData(filterForm);
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const filterData: Record<string, string> = {};
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formData.forEach((value, key) => {
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filterData[key] = value.toString();
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});
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// Add filter name from Alpine state
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const filterName = (window as any).Alpine?.$store.bookshelf?.filterName;
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if (!filterName) {
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showToast("Please enter a filter name", "error");
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return;
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}
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try {
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const response = await fetch("/api/saved-filters", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Authorization: `Bearer ${token}`,
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},
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body: JSON.stringify({
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name: filterName,
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resource_type: "media-items",
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filters: filterData,
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}),
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});
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if (response.ok) {
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showToast("Filter saved successfully", "success");
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// Close modal via Alpine
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(window as any).Alpine.$store.bookshelf.showSaveModal = false;
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loadSavedFilters();
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} else {
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showToast("Failed to save filter", "error");
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}
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} catch (error) {
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console.error("Failed to save filter:", error);
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showToast("Error saving filter", "error");
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}
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}
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function initBookshelf(): void {
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// Load saved filters on page load
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loadSavedFilters();
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// Setup initial book load via HTMX
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const librarySelect = document.getElementById(
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"library-select",
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) as HTMLSelectElement;
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if (librarySelect && librarySelect.value) {
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const filterForm = document.getElementById(
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"filter-form",
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) as HTMLFormElement;
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const booksGrid = document.getElementById("books-grid");
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if (filterForm && booksGrid) {
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// Trigger initial HTMX load
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window.htmx.trigger(librarySelect, "change");
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}
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}
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}
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function clearFilters(): void {
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const filterForm = document.getElementById("filter-form") as HTMLFormElement;
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if (!filterForm) return;
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@@ -115,20 +21,153 @@ function clearFilters(): void {
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window.htmx.trigger(filterForm, "change");
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}
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function showSaveFilterModal(): void {
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// Open modal via Alpine store
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(window as any).Alpine.$store.bookshelf.showSaveModal = true;
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}
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// Alpine.js component
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Alpine.data("bookshelf", () => ({
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// Component state
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showSaveModal: false,
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filterName: "",
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showFiltersDropdown: false,
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initBookshelf,
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// Standalone function references (don't access component state)
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clearFilters,
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showSaveFilterModal,
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saveFilter,
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initBookshelf,
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// Inline method - opens the modal
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showSaveFilterModal() {
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this.showSaveModal = true;
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},
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// Toggle the filters dropdown
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toggleFiltersDropdown() {
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this.showFiltersDropdown = !this.showFiltersDropdown;
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},
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// Load a saved filter into the form
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loadFilter(event: Event) {
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const button = event.target as HTMLElement;
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const filterRow = button.closest("[data-filter-id]");
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if (!filterRow) return;
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const filterId = filterRow?.getAttribute("data-filter-id");
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if (!filterId) return;
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const filterName = button.textContent?.trim() || "";
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// Note: Actual filter loading logic would go here
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// For now, just show the filter name
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showToast(`Filter: ${filterName}`, "success");
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},
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// Delete a saved filter
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async deleteFilter(event: Event) {
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const button = event.target as HTMLElement;
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const filterRow = button.closest("[data-filter-id]");
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if (!filterRow) return;
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const filterId = filterRow?.getAttribute("data-filter-id");
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if (!filterId) return;
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if (!confirm("Are you sure you want to delete this filter?")) return;
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const token = localStorage.getItem("token");
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if (!token) {
|
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showToast("Not authenticated", "error");
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return;
|
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}
|
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|
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try {
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const response = await fetch(`/api/saved-filters/${filterId}`, {
|
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method: "DELETE",
|
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headers: { Authorization: `Bearer ${token}` },
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});
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|
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if (response.ok) {
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showToast("Filter deleted", "success");
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// Remove the element from DOM
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filterRow?.remove();
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} else {
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showToast("Failed to delete filter", "error");
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}
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} catch (error) {
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console.error("Failed to delete filter:", error);
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showToast("Error deleting filter", "error");
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}
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},
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// Inline method - saves the filter and closes modal
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async saveFilter(event: Event) {
|
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event.preventDefault();
|
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|
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const token = localStorage.getItem("token");
|
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if (!token) {
|
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showToast("Not authenticated", "error");
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return;
|
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}
|
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// Get filter name from component state
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const filterName = this.filterName;
|
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if (!filterName) {
|
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showToast("Please enter a filter name", "error");
|
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return;
|
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}
|
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|
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// Collect filter form data
|
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const filterForm = document.getElementById(
|
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"filter-form",
|
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) as HTMLFormElement;
|
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if (!filterForm) {
|
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showToast("Filter form not found", "error");
|
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return;
|
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}
|
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|
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const formData = new FormData(filterForm);
|
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const filterData: Record<string, string> = {};
|
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formData.forEach((value, key) => {
|
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filterData[key] = value.toString();
|
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});
|
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|
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try {
|
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const response = await fetch("/api/saved-filters", {
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method: "POST",
|
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headers: {
|
||||
"Content-Type": "application/json",
|
||||
Authorization: `Bearer ${token}`,
|
||||
},
|
||||
body: JSON.stringify({
|
||||
name: filterName,
|
||||
resource_type: "media-items",
|
||||
filters: filterData,
|
||||
}),
|
||||
});
|
||||
|
||||
if (response.ok) {
|
||||
showToast("Filter saved successfully", "success");
|
||||
// Clear the filter name input
|
||||
this.filterName = "";
|
||||
// Close the modal
|
||||
this.showSaveModal = false;
|
||||
} else {
|
||||
showToast("Failed to save filter", "error");
|
||||
}
|
||||
} catch (error) {
|
||||
console.error("Failed to save filter:", error);
|
||||
showToast("Error saving filter", "error");
|
||||
}
|
||||
},
|
||||
}));
|
||||
|
||||
export { initBookshelf, clearFilters, showSaveFilterModal, saveFilter };
|
||||
// Standalone function - initialize the bookshelf (NOT async, like dashboard.ts)
|
||||
function initBookshelf(): void {
|
||||
// Check if books were already rendered server-side
|
||||
const booksGrid = document.getElementById("books-grid");
|
||||
const hasServerBooks = booksGrid && booksGrid.querySelector('[data-book-id]') !== null;
|
||||
|
||||
if (!hasServerBooks) {
|
||||
// Only trigger HTMX if no SSR books rendered
|
||||
const librarySelect = document.getElementById("library-select") as HTMLSelectElement;
|
||||
if (librarySelect && librarySelect.value) {
|
||||
const filterForm = document.getElementById("filter-form") as HTMLFormElement;
|
||||
if (filterForm) {
|
||||
// Trigger initial HTMX load
|
||||
window.htmx.trigger(librarySelect, "change");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export { clearFilters };
|
||||
|
||||
Reference in New Issue
Block a user