Merge pull request #348 from ldgallery/p_viewer_epub

viewer: render EPUB ebooks

16 files changed, 541 insertions, 7 deletions

diff --git a/compiler/src/ItemProcessors.hs b/compiler/src/ItemProcessors.hs
index fa99316..6035477 100644
--- a/compiler/src/ItemProcessors.hs
+++ b/compiler/src/ItemProcessors.hs
@@ -1,7 +1,7 @@
 -- ldgallery - A static generator which turns a collection of tagged
 --             pictures into a searchable web gallery.
 --
--- Copyright (C) 2019-2021  Pacien TRAN-GIRARD
+-- Copyright (C) 2019-2022  Pacien TRAN-GIRARD
 --
 -- This program is free software: you can redistribute it and/or modify
 -- it under the terms of the GNU Affero General Public License as
@@ -38,6 +38,7 @@ data Format =
   | PlainTextFormat
   | MarkdownFormat
   | PortableDocumentFormat
+  | EPUBFormat
   | VideoFormat
   | AudioFormat
   | Unknown
@@ -59,6 +60,7 @@ formatFromPath =
       ".txt" -> PlainTextFormat
       ".md" -> MarkdownFormat
       ".pdf" -> PortableDocumentFormat
+      ".epub" -> EPUBFormat
       ".wav" -> AudioFormat
       ".oga" -> AudioFormat
       ".ogg" -> AudioFormat
@@ -103,6 +105,7 @@ itemFileProcessor maxResolution =
     processorFor PlainTextFormat _ = copyResource PlainText
     processorFor MarkdownFormat _ = copyResource Markdown
     processorFor PortableDocumentFormat _ = copyResource PDF
+    processorFor EPUBFormat _ = copyResource EPUB
     processorFor VideoFormat _ = copyResource Video
     processorFor AudioFormat _ = copyResource Audio
     processorFor Unknown _ = copyResource Other
diff --git a/compiler/src/Resource.hs b/compiler/src/Resource.hs
index 804c9a1..1868512 100644
--- a/compiler/src/Resource.hs
+++ b/compiler/src/Resource.hs
@@ -92,6 +92,7 @@ data GalleryItemProps =
   | PlainText { resource :: Resource }
   | Markdown { resource :: Resource }
   | PDF { resource :: Resource }
+  | EPUB { resource :: Resource }
   | Video { resource :: Resource }
   | Audio { resource :: Resource }
   | Other { resource :: Resource }
diff --git a/example/src/Misc Media/First Geneva Convention.epub b/example/src/Misc Media/First Geneva Convention.epub
new file mode 100644
index 0000000..4274ab7
--- /dev/null
+++ b/example/src/Misc Media/First Geneva Convention.epub
diff --git a/example/src/gallery.yaml b/example/src/gallery.yaml
index 1a6cd69..c13cdca 100644
--- a/example/src/gallery.yaml
+++ b/example/src/gallery.yaml
@@ -10,6 +10,7 @@ includedFiles:
   - '*.txt'
   - '*.md'
   - '*.pdf'
+  - '*.epub'
   - '*.ogg'
   - '*.mp4'
 
diff --git a/readme.md b/readme.md
index b363490..0d4ed9f 100644
--- a/readme.md
+++ b/readme.md
@@ -77,6 +77,7 @@ Builds of this software embed and make use of the following libraries:
   * fortawesome/vue-fontawesome, licensed under the MIT License
   * vueuse/core, licensed under the MIT License
   * core-js, licensed under the MIT License
+  * Epub.js, licensed under the BSD-2-Clause License
   * hammerjs, licensed under the MIT License
   * marked, licensed under the MIT License
   * mosha-vue-toastify, licensed under the MIT License
diff --git a/viewer/ldgallery-viewer.7.md b/viewer/ldgallery-viewer.7.md
index 46509fb..afdaec5 100644
--- a/viewer/ldgallery-viewer.7.md
+++ b/viewer/ldgallery-viewer.7.md
@@ -2,7 +2,7 @@
 pagetitle: Viewer user manual - ldgallery
 title: LDGALLERY-VIEWER(7) ldgallery
 author: Pacien TRAN-GIRARD, Guillaume FOUET
-date: 2022-10-26 (v2.1-SNAPSHOT)
+date: 2022-10-30 (v2.1-SNAPSHOT)
 ---
 
 
@@ -37,8 +37,8 @@ Items of the following formats can be opened and visualised within the web appli
 * Pictures (Bitmap, JPEG, PNG, TIFF, HDR, GIF)
 * Videos (OGV, WebM, Matroska, MPEG-4)
 * Audio files (WAV, Opus, FLAC, MP3, MPEG-4)
-* Plain text files (`.txt`)
-* PDFs
+* Text files (TXT, Markdown)
+* Ebooks (PDF, EPUB)
 
 Formats which are not listed above or which are not supported by the user's web browser are offered for download instead of being directly displayed in the same window.
 The item being visualised can be downloaded using the download button at the top-left corner.
diff --git a/viewer/package.json b/viewer/package.json
index f5ac5e3..61ea287 100644
--- a/viewer/package.json
+++ b/viewer/package.json
@@ -14,6 +14,7 @@
     "@fortawesome/vue-fontawesome": "3.0.1",
     "@vueuse/core": "9.3.1",
     "core-js": "3.25.0",
+    "epubjs": "0.3.93",
     "hammerjs": "2.0.8",
     "marked": "4.1.1",
     "mosha-vue-toastify": "1.0.23",
diff --git a/viewer/src/@types/gallery.ts b/viewer/src/@types/gallery.ts
index 8c0f177..6960de2 100644
--- a/viewer/src/@types/gallery.ts
+++ b/viewer/src/@types/gallery.ts
@@ -64,6 +64,9 @@ export interface MarkdownProperties extends Downloadable {
 export interface PDFProperties extends Downloadable {
   type: ItemType.PDF;
 }
+export interface EPUBProperties extends Downloadable {
+  type: ItemType.EPUB;
+}
 export interface VideoProperties extends Downloadable {
   type: ItemType.VIDEO;
 }
@@ -107,6 +110,9 @@ export interface MarkdownItem extends Item {
 export interface PDFItem extends Item {
   properties: PDFProperties;
 }
+export interface EPUBItem extends Item {
+  properties: EPUBProperties;
+}
 export interface VideoItem extends Item {
   properties: VideoProperties;
 }
diff --git a/viewer/src/@types/itemType.ts b/viewer/src/@types/itemType.ts
index ecab05c..8528728 100644
--- a/viewer/src/@types/itemType.ts
+++ b/viewer/src/@types/itemType.ts
@@ -23,6 +23,7 @@ export enum ItemType {
   PLAINTEXT = 'plaintext',
   MARKDOWN = 'markdown',
   PDF = 'pdf',
+  EPUB = 'epub',
   VIDEO = 'video',
   AUDIO = 'audio',
   DIRECTORY = 'directory',
diff --git a/viewer/src/assets/scss/theme.scss b/viewer/src/assets/scss/theme.scss
index 63febbf..6622fa5 100644
--- a/viewer/src/assets/scss/theme.scss
+++ b/viewer/src/assets/scss/theme.scss
@@ -41,6 +41,8 @@ $dropdown-item-color: $palette-600;
 $dropdown-item-hover-color: $palette-500;
 $panel-top-bgcolor: $palette-800;
 $panel-top-txtcolor: $primary;
+$panel-bottom-bgcolor: $palette-800;
+$panel-bottom-txtcolor: $primary;
 $panel-left-bgcolor: $palette-800;
 $panel-left-txtcolor: $primary;
 $command-buttons-bgcolor: $palette-700;
@@ -55,6 +57,7 @@ $thumbnail-other-size: $body-line-height * 7em;
 $proposed-category-bgcolor: $palette-700;
 $viewer-text: $palette-000;
 $viewer-text-background: $palette-900;
+$viewer-epub-background: $palette-000;
 
 // Layout
 
diff --git a/viewer/src/locales/en.yml b/viewer/src/locales/en.yml
index 86ecd49..280f18b 100644
--- a/viewer/src/locales/en.yml
+++ b/viewer/src/locales/en.yml
@@ -15,6 +15,9 @@ directory:
   no-results: Empty directory
 download:
   download-file-fmt: Download {0}
+epubViewer:
+  previousSection: Previous section
+  nextSection: Next section
 gallery:
   resource-loading-error: Error loading resource
   unknown-resource: Resource not found
diff --git a/viewer/src/services/navigation.ts b/viewer/src/services/navigation.ts
index b2e807b..fb01169 100644
--- a/viewer/src/services/navigation.ts
+++ b/viewer/src/services/navigation.ts
@@ -19,7 +19,18 @@
 
 import { DirectoryItem, DownloadableItem, Item } from '@/@types/gallery';
 import { ItemType } from '@/@types/itemType';