Add argument to calculate checksums

sist2-vue/src/views/Configuration.vue

@@ -35,6 +35,11 @@
         <br/>
         <h4>{{ $t("searchOptions") }}</h4>
         <b-card>
+          <b-form-checkbox :checked="optHideDuplicates" @input="setOptHideDuplicates">{{
+              $t("opt.hideDuplicates")
+            }}
+          </b-form-checkbox>
+
           <b-form-checkbox :checked="optHighlight" @input="setOptHighlight">{{ $t("opt.highlight") }}</b-form-checkbox>
           <b-form-checkbox :checked="optTagOrOperator" @input="setOptTagOrOperator">{{
               $t("opt.tagOrOperator")
@@ -206,10 +211,10 @@ export default {
       "optTreemapSize",
       "optLightboxLoadOnlyCurrent",
       "optLightboxSlideDuration",
-      "optContainerWidth",
       "optResultSize",
       "optTagOrOperator",
-      "optLang"
+      "optLang",
+      "optHideDuplicates",
     ]),
     clientWidth() {
       return window.innerWidth;
@@ -248,7 +253,8 @@ export default {
       "setOptContainerWidth",
       "setOptResultSize",
       "setOptTagOrOperator",
-      "setOptLang"
+      "setOptLang",
+      "setOptHideDuplicates"
     ]),
     onResetClick() {
       localStorage.removeItem("sist2_configuration");

sist2-vue/src/views/SearchPage.vue

@@ -91,6 +91,7 @@ export default Vue.extend({
     search: undefined as any,
     docs: [] as EsHit[],
     docIds: new Set(),
+    docChecksums: new Set(),
     searchBusy: false,
     Sist2Query: Sist2Query,
     showHelp: false
@@ -193,6 +194,7 @@ export default Vue.extend({
     async clearResults() {
       this.docs = [];
       this.docIds.clear();
+      this.docChecksums.clear();
       await this.$store.dispatch("clearResults");
       this.$store.commit("setUiReachedScrollEnd", false);
     },
@@ -202,7 +204,19 @@ export default Vue.extend({
       }
 
       resp.hits.hits = resp.hits.hits.filter(hit => !this.docIds.has(hit._id));
-      resp.hits.hits.forEach(hit => this.docIds.add(hit._id));
+
+      if (this.$store.state.optHideDuplicates) {
+        resp.hits.hits = resp.hits.hits.filter(hit => {
+
+          if (!("checksum" in hit._source)) {
+              return true;
+          }
+
+          const isDupe = !this.docChecksums.has(hit._source.checksum);
+          this.docChecksums.add(hit._source.checksum);
+          return isDupe;
+        });
+      }
 
       for (const hit of resp.hits.hits) {
         if (hit._props.isPlayableImage || hit._props.isPlayableVideo) {