Introduce a new facet filters query field

http-ui/Cargo.toml

@@ -22,6 +22,7 @@ tempfile = "3.1.0"
 askama = "0.10.1"
 askama_warp = "0.10.0"
 bytes = "0.5.6"
+either = "1.6.1"
 flate2 = "1.0.19"
 futures = "0.3.6"
 serde = { version = "1.0", features = ["derive"] }

http-ui/public/script.js

@@ -2,9 +2,10 @@ var request = null;
 var timeoutID = null;
 var selected_facets = {};
 
-$('#query, #facet').on('input', function () {
+$('#query, #filters').on('input', function () {
   var query = $('#query').val();
-  var facet = $('#facet').val();
+  var filters = $('#filters').val();
+  var facet_filters = selectedFacetsToArray(selected_facets);
   var timeoutMs = 100;
 
   if (timeoutID !== null) {
@@ -17,7 +18,10 @@ $('#query, #facet').on('input', function () {
       url: "query",
       contentType: 'application/json',
       data: JSON.stringify({
-        'query': query, 'facetCondition': facet, "facetDistribution": true
+        'query': query,
+        'filters': filters,
+        'facetFilters': facet_filters,
+        "facetDistribution": true,
       }),
       contentType: 'application/json',
       success: function (data, textStatus, request) {
@@ -41,7 +45,20 @@ $('#query, #facet').on('input', function () {
 
           // Create the select element
           let select = $(`<select data-facet-name='${facet_name}' multiple size=\"8\"></select>`);
-          for (value of data.facets[facet_name]) {
+          let selected_values = selected_facets[facet_name] || [];
+          // Create the previously selected facets (mark them as selected)
+          for (value of selected_values) {
+              let option = $('<option></option>')
+                .text(value)
+                .attr('selected', "selected")
+                .attr('value', value)
+                .attr('title', value);
+              select.append(option);
+          }
+
+          // Create the newly discovered facets
+          let diff = diffArray(data.facets[facet_name], selected_values);
+          for (value of diff) {
               let option = $('<option></option>')
                 .text(value)
                 .attr('value', value)
@@ -53,7 +70,6 @@ $('#query, #facet').on('input', function () {
           $('#facets').append(div);
         }
 
-
         for (element of data.documents) {
           const elem = document.createElement('li');
           elem.classList.add("document");
@@ -87,8 +103,8 @@ $('#query, #facet').on('input', function () {
         $('#facets select').on('change', function(e) {
             let facet_name = $(this).attr('data-facet-name');
             selected_facets[facet_name] = $(this).val();
+            $('#query').trigger('input');
         });
-
       },
       beforeSend: function () {
         if (request !== null) {
@@ -100,6 +116,25 @@ $('#query, #facet').on('input', function () {
   }, timeoutMs);
 });
 
+function diffArray(arr1, arr2) {
+  return arr1.concat(arr2).filter(function (val) {
+    if (!(arr1.includes(val) && arr2.includes(val)))
+      return val;
+  });
+}
+
+function selectedFacetsToArray(facets_obj) {
+  var array = [];
+  for (const facet_name in facets_obj) {
+    var subarray = [];
+    for (const facet_value of facets_obj[facet_name]) {
+      subarray.push(`${facet_name}:${facet_value}`);
+    }
+    array.push(subarray);
+  }
+  return array;
+}
+
 // Make the number of document a little bit prettier
 $('#docs-count').text(function(index, text) {
   return parseInt(text).toLocaleString()

http-ui/src/main.rs

@@ -11,6 +11,7 @@ use std::{mem, io};
 
 use askama_warp::Template;
 use byte_unit::Byte;
+use either::Either;
 use flate2::read::GzDecoder;
 use futures::stream;
 use futures::{FutureExt, StreamExt};
@@ -620,12 +621,29 @@ async fn main() -> anyhow::Result<()> {
             .body(include_str!("../public/logo-black.svg"))
         );
 
+    #[derive(Debug, Deserialize)]
+    #[serde(untagged)]
+    enum UntaggedEither<L, R> {
+        Left(L),
+        Right(R),
+    }
+
+    impl<L, R> From<UntaggedEither<L, R>> for Either<L, R> {
+        fn from(value: UntaggedEither<L, R>) -> Either<L, R> {
+            match value {
+                UntaggedEither::Left(left) => Either::Left(left),
+                UntaggedEither::Right(right) => Either::Right(right),
+            }
+        }
+    }
+
     #[derive(Debug, Deserialize)]
     #[serde(deny_unknown_fields)]
     #[serde(rename_all = "camelCase")]
     struct QueryBody {
         query: Option<String>,
-        facet_condition: Option<String>,
+        filters: Option<String>,
+        facet_filters: Option<Vec<UntaggedEither<Vec<String>, String>>>,
         facet_distribution: Option<bool>,
     }
 
@@ -651,11 +669,32 @@ async fn main() -> anyhow::Result<()> {
             if let Some(query) = query.query {
                 search.query(query);
             }
-            if let Some(condition) = query.facet_condition {
-                if !condition.trim().is_empty() {
-                    let condition = FacetCondition::from_str(&rtxn, &index, &condition).unwrap();
-                    search.facet_condition(condition);
-                }
+
+            let filters = match query.filters {
+                Some(condition) if !condition.trim().is_empty() => {
+                    Some(FacetCondition::from_str(&rtxn, &index, &condition).unwrap())
+                },
+                _otherwise => None,
+            };
+
+            let facet_filters = match query.facet_filters {
+                Some(array) => {
+                    let eithers = array.into_iter().map(Into::into);
+                    FacetCondition::from_array(&rtxn, &index, eithers).unwrap()
+                },
+                _otherwise => None,
+            };
+
+            let condition = match (filters, facet_filters) {
+                (Some(filters), Some(facet_filters)) => {
+                    Some(FacetCondition::And(Box::new(filters), Box::new(facet_filters)))
+                },
+                (Some(condition), None) | (None, Some(condition)) => Some(condition),
+                _otherwise => None,
+            };
+
+            if let Some(condition) = condition {
+                search.facet_condition(condition);
             }
 
             let SearchResult { found_words, candidates, documents_ids } = search.execute().unwrap();

http-ui/templates/index.html

@@ -56,7 +56,7 @@
           <div class="level-item">
             <div class="field has-addons has-addons-right">
               <input id="query" class="input" type="text" autofocus placeholder="e.g. George Clooney">
-              <input id="facet" class="input" type="text" placeholder="facet filter like released >= 1577836800">
+              <input id="filters" class="input" type="text" placeholder="filters like released >= 1577836800">
             </div>
           </div>
           <div class="level-item"></div>