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<template>
<div>
<gallery-search v-if="$uiStore.isModeSearch" :items="currentSearch" />
<gallery-directory v-else-if="isDirectory" :directory="currentItem" />
<gallery-image v-else-if="isImage" :image="currentItem" />
</div>
</template>
<script lang="ts">
import { Component, Vue, Prop } from "vue-property-decorator";
import { Operation } from '@/@types/tag/Operation';
import GallerySearch from "./GallerySearch.vue";
import GalleryDirectory from "./GalleryDirectory.vue";
import GalleryImage from "./GalleryImage.vue";
import GalleryStore from "../store/galleryStore";
@Component({
components: { GallerySearch, GalleryDirectory, GalleryImage },
})
export default class Gallery extends Vue {
@Prop(String) readonly pathMatch!: string;
get isDirectory(): boolean {
return this.checkType("directory");
}
get isImage(): boolean {
return this.checkType("image");
}
// Results of the search (by tags)
get currentSearch(): Gallery.Item[] {
const byOperation = this.extractTagsByOperation(this.$uiStore.currentTags);
const intersection = this.extractIntersection(byOperation);
const substraction = this.extractSubstraction(byOperation);
return this.aggregateAll(byOperation, intersection, substraction);
}
// Item pointed by the URL (navigation)
get currentItem(): Gallery.Item | null {
const galleryItemsRoot = this.$galleryStore.galleryItemsRoot;
if (galleryItemsRoot) return GalleryStore.searchCurrentItem(galleryItemsRoot, this.pathMatch);
return null;
}
// ---
private checkType(type: string): boolean {
return this.currentItem?.properties.type === type ?? false;
}
private extractTagsByOperation(currentTags: Tag.Search[]): Tag.SearchByOperation {
let byOperation: Tag.SearchByOperation = {};
Object.values(Operation)
.forEach(operation => byOperation[operation] = currentTags.filter(tag => tag.operation === operation));
return byOperation;
}
private extractIntersection(byOperation: Tag.SearchByOperation): Set<Gallery.Item> {
let intersection = new Set<Gallery.Item>();
if (byOperation[Operation.INTERSECTION].length > 0) {
byOperation[Operation.INTERSECTION]
.map(tag => tag.items)
.reduce((a,b) => a.filter(c => b.includes(c)))
.flatMap(items=>items)
.forEach(item => intersection.add(item));
}
return intersection;
}
private extractSubstraction(byOperation: Tag.SearchByOperation): Set<Gallery.Item> {
let substraction = new Set<Gallery.Item>();
if (byOperation[Operation.SUBSTRACTION].length > 0) {
byOperation[Operation.SUBSTRACTION]
.flatMap(tag => tag.items)
.forEach(item => substraction.add(item));
}
return substraction;
}
private aggregateAll(byOperation: Tag.SearchByOperation, intersection: Set<Gallery.Item>, substraction: Set<Gallery.Item>): Gallery.Item[] {
byOperation[Operation.ADDITION].flatMap(tag => tag.items).forEach(item => intersection.add(item));
substraction.forEach(item => intersection.delete(item));
return [...intersection];
}
}
</script>
<style lang="scss">
</style>
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