From 35456c6183c199b23ded85838414eb28a6d4b60f Mon Sep 17 00:00:00 2001
From: pacien
Date: Mon, 4 May 2020 00:11:31 +0200
Subject: viewer/LdDownload: add generic file download handler

GitHub: closes #209
---
 viewer/src/@types/gallery.d.ts         |  1 +
 viewer/src/components/LdDownload.vue   | 67 ++++++++++++++++++++++++++++++++++
 viewer/src/locales/en.json             |  2 +-
 viewer/src/plugins/fontawesome.ts      |  2 +
 viewer/src/views/GalleryNavigation.vue |  5 +--
 5 files changed, 72 insertions(+), 5 deletions(-)
 create mode 100644 viewer/src/components/LdDownload.vue

diff --git a/viewer/src/@types/gallery.d.ts b/viewer/src/@types/gallery.d.ts
index 066aedf..3246894 100644
--- a/viewer/src/@types/gallery.d.ts
+++ b/viewer/src/@types/gallery.d.ts
@@ -55,6 +55,7 @@ declare namespace Gallery {
   }
   interface OtherProperties {
     type: "other",
+    resource: string
   }
   interface PictureProperties {
     type: "picture",
diff --git a/viewer/src/components/LdDownload.vue b/viewer/src/components/LdDownload.vue
new file mode 100644
index 0000000..3b13e99
--- /dev/null
+++ b/viewer/src/components/LdDownload.vue
@@ -0,0 +1,67 @@
+<!--
+-- ldgallery - A static generator which turns a collection of tagged
+--             pictures into a searchable web gallery.
+--
+-- Copyright (C) 2020  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
+-- published by the Free Software Foundation, either version 3 of the
+-- License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
+<template>
+  <div :class="$style.container">
+    <a :class="$style.content" :download="itemFileName" :href="itemDownloadUrl">
+      <!-- TODO: show thumbnail instead of this generic file download icon? -->
+      <fa-icon :class="$style.icon" icon="file-download" size="6x" />
+      <div>{{ $t("download.download-file-fmt", [itemFileName]) }}</div>
+    </a>
+  </div>
+</template>
+
+<script lang="ts">
+import { Component, Prop, Vue } from "vue-property-decorator";
+
+@Component export default class LdDownload extends Vue {
+  @Prop({ required: true }) readonly item!: Gallery.Item;
+
+  get itemResource(): string {
+    return (this.item.properties as Gallery.OtherProperties).resource;
+  }
+
+  get itemFileName(): string {
+    const timeStamped = this.itemResource.split("/").pop() ?? "";
+    return timeStamped.split("?")[0];
+  }
+
+  get itemDownloadUrl(): string {
+    return this.$galleryStore.resourceRoot + this.itemResource;
+  }
+}
+</script>
+
+<style lang="scss" module>
+.container {
+  min-height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.content {
+  text-align: center;
+}
+
+.icon {
+  margin-bottom: 0.15em;
+}
+</style>
diff --git a/viewer/src/locales/en.json b/viewer/src/locales/en.json
index c011552..824064e 100644
--- a/viewer/src/locales/en.json
+++ b/viewer/src/locales/en.json
@@ -7,8 +7,8 @@
   "tag-propositions.addition": "Include all items with this tag",
   "tag-propositions.intersection": "Search for this tag",
   "tag-propositions.item-count": "Item count",
-  "gallery.unknown-type": "Could not display item of unknown type",
   "gallery.unknown-resource": "Resource not found",
+  "download.download-file-fmt": "Download {0}",
   "command.search": "Open/close search panel",
   "command.search.clear": "Clear",
   "command.search.search": "Search",
diff --git a/viewer/src/plugins/fontawesome.ts b/viewer/src/plugins/fontawesome.ts
index 933bce6..886d680 100644
--- a/viewer/src/plugins/fontawesome.ts
+++ b/viewer/src/plugins/fontawesome.ts
@@ -35,6 +35,7 @@ import {
   faAngleRight,
   faAngleDoubleLeft,
   faFile,
+  faFileDownload,
 } from "@fortawesome/free-solid-svg-icons";
 
 library.add(
@@ -51,6 +52,7 @@ library.add(
   faAngleRight,
   faAngleDoubleLeft,
   faFile,
+  faFileDownload,
 );
 
 config.autoAddCss = false;
diff --git a/viewer/src/views/GalleryNavigation.vue b/viewer/src/views/GalleryNavigation.vue
index 08c8218..2e40409 100644
--- a/viewer/src/views/GalleryNavigation.vue
+++ b/viewer/src/views/GalleryNavigation.vue
@@ -65,10 +65,7 @@ export default class GalleryNavigation extends Vue {
         return { component: "ld-picture", properties: { picture: this.$galleryStore.currentItem } };
 
       default:
-        return {
-          component: "ld-error",
-          properties: { icon: "file", message: this.$t("gallery.unknown-type") }
-        };
+        return { component: "ld-download", properties: { item: this.$galleryStore.currentItem } };
     }
   }
 }
-- 
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