feat(settings): Implement `showcase` type for App Discover section

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

apps/settings/src/components/AppStoreDiscover/AppStoreDiscoverSection.vue

@@ -42,6 +42,7 @@ import { parseApiResponse, filterElements } from '../../utils/appDiscoverParser.
 
 const PostType = defineAsyncComponent(() => import('./PostType.vue'))
 const CarouselType = defineAsyncComponent(() => import('./CarouselType.vue'))
+const ShowcaseType = defineAsyncComponent(() => import('./ShowcaseType.vue'))
 
 const hasError = ref(false)
 const elements = ref<IAppDiscoverElements[]>([])
@@ -89,6 +90,8 @@ const getComponent = (type) => {
 		return PostType
 	} else if (type === 'carousel') {
 		return CarouselType
+	} else if (type === 'showcase') {
+		return ShowcaseType
 	}
 	return defineComponent({
 		mounted: () => logger.error('Unknown component requested ', type),

apps/settings/src/components/AppStoreDiscover/PostType.vue

@@ -214,6 +214,8 @@ export default defineComponent({
 
 	display: flex;
 	flex-direction: row;
+	justify-content: start;
+
 	&--reverse {
 		flex-direction: row-reverse;
 	}

apps/settings/src/components/AppStoreDiscover/ShowcaseType.vue

@@ -0,0 +1,139 @@
+<!--
+  - @copyright Copyright (c) 2024 Ferdinand Thiessen <opensource@fthiessen.de>
+  -
+  - @author Ferdinand Thiessen <opensource@fthiessen.de>
+  -
+  - @license AGPL-3.0-or-later
+  -
+  - 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 <http://www.gnu.org/licenses/>.
+  -
+  -->
+<template>
+	<section ref="container"
+		class="app-discover-showcase"
+		:class="{
+			'app-discover-showcase--small': isSmallWidth,
+			'app-discover-showcase--extra-small': isExtraSmallWidth,
+		}">
+		<h3 v-if="translatedHeadline">
+			{{ translatedHeadline }}
+		</h3>
+		<ul class="app-discover-showcase__list">
+			<li v-for="(item, index) of content"
+				:key="item.id ?? index"
+				class="app-discover-showcase__item">
+				<PostType v-if="item.type === 'post'"
+					v-bind="item"
+					inline />
+				<AppType v-else-if="item.type === 'app'" :model-value="item" />
+			</li>
+		</ul>
+	</section>
+</template>
+
+<script lang="ts">
+import type { PropType } from 'vue'
+import type { IAppDiscoverShowcase } from '../../constants/AppDiscoverTypes.ts'
+
+import { translate as t } from '@nextcloud/l10n'
+import { useElementSize } from '@vueuse/core'
+import { computed, defineComponent, ref } from 'vue'
+import { commonAppDiscoverProps } from './common.ts'
+import { useLocalizedValue } from '../../composables/useGetLocalizedValue.ts'
+
+import AppType from './AppType.vue'
+import PostType from './PostType.vue'
+
+export default defineComponent({
+	name: 'ShowcaseType',
+
+	components: {
+		AppType,
+		PostType,
+	},
+
+	props: {
+		...commonAppDiscoverProps,
+
+		/**
+		 * The content of the carousel
+		 */
+		content: {
+			type: Array as PropType<IAppDiscoverShowcase['content']>,
+			required: true,
+		},
+	},
+
+	setup(props) {
+		const translatedHeadline = useLocalizedValue(computed(() => props.headline))
+
+		/**
+		 * Make the element responsive based on the container width to also handle open navigation or sidebar
+		 */
+		const container = ref<HTMLElement>()
+		const { width: containerWidth } = useElementSize(container)
+		const isSmallWidth = computed(() => containerWidth.value < 768)
+		const isExtraSmallWidth = computed(() => containerWidth.value < 512)
+
+		return {
+			t,
+
+			container,
+			isSmallWidth,
+			isExtraSmallWidth,
+			translatedHeadline,
+		}
+	},
+})
+</script>
+
+<style scoped lang="scss">
+$item-gap: calc(var(--default-clickable-area, 44px) / 2);
+
+h3 {
+	font-size: 24px;
+	font-weight: 600;
+	margin-block: 0 1em;
+}
+
+.app-discover-showcase {
+	&__list {
+		list-style: none;
+
+		display: flex;
+		flex-wrap: wrap;
+		gap: $item-gap;
+	}
+
+	&__item {
+		display: flex;
+		align-items: stretch;
+
+		position: relative;
+		width: calc(33% - $item-gap);
+	}
+}
+
+.app-discover-showcase--small {
+	.app-discover-showcase__item {
+		width: calc(50% - $item-gap);
+	}
+}
+
+.app-discover-showcase--extra-small {
+	.app-discover-showcase__item {
+		width: 100%;
+	}
+}
+</style>