1 files changed, 75 insertions, 0 deletions

diff --git a/viewer/src/components/LdProposition.vue b/viewer/src/components/LdProposition.vue
new file mode 100644
index 0000000..b23c14a
--- /dev/null
+++ b/viewer/src/components/LdProposition.vue
@@ -0,0 +1,75 @@
+<template>
+  <div>
+    <div v-for="proposed in proposedTags" :key="proposed.rawTag" class="proposition">
+      <fa-icon icon="minus" @click="add(Operation.SUBSTRACTION, proposed.rawTag)" />
+      <span
+        @click="add(Operation.INTERSECTION, proposed.rawTag)"
+      >{{proposed.rawTag}}&nbsp;x{{proposed.count}}</span>
+      <fa-icon icon="plus" @click="add(Operation.ADDITION, proposed.rawTag)" />
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import { Component, Vue } from "vue-property-decorator";
+import { Operation } from "@/@types/tag/Operation";
+import Gallery from '../views/Gallery.vue';
+
+@Component
+export default class LdTagInput extends Vue {
+  get Operation() {
+    return Operation;
+  }
+
+  get proposedTags() {
+    const currentTags = this.$uiStore.currentTags;
+    let propositions: { [index: string]: number } = {};
+    if (currentTags.length > 0) {
+      // Tags count from current search
+      this.extractDistinctItems(currentTags)
+        .flatMap(item => item.tags)
+        .map(this.rightmost)
+        .filter(rawTag => !currentTags.find(currentTag => currentTag.tag === rawTag))
+        .forEach(rawTag => (propositions[rawTag] = (propositions[rawTag] ?? 0) + 1));
+    } else {
+      // Tags count from the whole gallery
+      Object.entries(this.$galleryStore.tags)
+        .forEach(entry => (propositions[entry[0]] = entry[1].items.length));
+    }
+    
+    return Object.entries(propositions)
+      .sort((a,b) => b[1] - a[1])
+      .map(entry => ({rawTag: entry[0], count: entry[1]}));
+  }
+
+  extractDistinctItems(currentTags: Tag.Search[]): Gallery.Item[] {
+    return [...new Set(currentTags.flatMap(tag => tag.items))];
+  }
+
+  rightmost(tag: Gallery.RawTag): Gallery.RawTag {
+    const dot = tag.lastIndexOf(".");
+    return dot <= 0 ? tag : tag.substr(dot + 1);
+  }
+
+  add(operation: Operation, rawTag: Gallery.RawTag) {
+    const node = this.$galleryStore.tags[rawTag];
+    const search: Tag.Search = { ...node, operation, display: `${operation}${node.tag}` };
+    this.$uiStore.currentTags.push(search);
+    this.$uiStore.mode = "search";
+  }
+}
+</script>
+
+<style lang="scss">
+.proposition {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin: 10px;
+  color: lightcyan;
+  cursor: pointer;
+}
+.proposition span {
+  padding: 0 10px;
+}
+</style>