[components][m] - move catalog to @portaljs/components

packages/components/src/components/Catalog.tsx

@@ -0,0 +1,119 @@
+import { Index } from 'flexsearch';
+import { useState } from 'react';
+import DebouncedInput from './DebouncedInput';
+import { useForm } from 'react-hook-form';
+
+export function Catalog({
+  datasets,
+  facets,
+}: {
+  datasets: any[];
+  facets: string[];
+}) {
+  const [indexFilter, setIndexFilter] = useState('');
+  const index = new Index({ tokenize: 'full' });
+  datasets.forEach((dataset) =>
+    index.add(
+      dataset._id,
+      //This will join every metadata value + the url_path into one big string and index that
+      Object.entries(dataset.metadata).reduce(
+        (acc, curr) => acc + ' ' + curr[1].toString(),
+        ''
+      ) +
+        ' ' +
+        dataset.url_path
+    )
+  );
+
+  const facetValues = facets
+    ? facets.reduce((acc, facet) => {
+        const possibleValues = datasets.reduce((acc, curr) => {
+          const facetValue = curr.metadata[facet];
+          if (facetValue) {
+            return Array.isArray(facetValue)
+              ? acc.concat(facetValue)
+              : acc.concat([facetValue]);
+          }
+          return acc;
+        }, []);
+        acc[facet] = {
+          possibleValues: [...new Set(possibleValues)],
+          selectedValue: null,
+        };
+        return acc;
+      }, {})
+    : [];
+
+  const { register, watch } = useForm(facetValues);
+
+  const filteredDatasets = datasets
+    // First filter by flex search
+    .filter((dataset) =>
+      indexFilter !== ''
+        ? index.search(indexFilter).includes(dataset._id)
+        : true
+    )
+    //Then check if the selectedValue for the given facet is included in the dataset metadata
+    .filter((dataset) => {
+      //Avoids a server rendering breakage
+      if (!watch() || Object.keys(watch()).length === 0) return true
+      //This will filter only the key pairs of the metadata values that were selected as facets
+      const datasetFacets = Object.entries(dataset.metadata).filter((entry) =>
+        facets.includes(entry[0])
+      );
+      //Check if the value present is included in the selected value in the form
+      return datasetFacets.every((elem) =>
+        watch()[elem[0]].selectedValue
+          ? (elem[1] as string | string[]).includes(
+              watch()[elem[0]].selectedValue
+            )
+          : true
+      );
+    });
+
+  return (
+    <>
+      <DebouncedInput
+        value={indexFilter ?? ''}
+        onChange={(value) => setIndexFilter(String(value))}
+        className="p-2 text-sm shadow border border-block mr-1"
+        placeholder="Search all datasets..."
+      />
+      {Object.entries(facetValues).map((elem) => (
+        <select
+          key={elem[0]}
+          defaultValue=""
+          className="p-2 ml-1 text-sm shadow border border-block"
+          {...register(elem[0] + '.selectedValue')}
+        >
+          <option value="">
+            Filter by {elem[0]}
+          </option>
+          {(elem[1] as { possibleValues: string[] }).possibleValues.map(
+            (val) => (
+              <option
+                key={val}
+                className="dark:bg-white dark:text-black"
+                value={val}
+              >
+                {val}
+              </option>
+            )
+          )}
+        </select>
+      ))}
+      <ul className='mb-5 pl-6 mt-5 list-disc'>
+        {filteredDatasets.map((dataset) => (
+          <li className='py-2' key={dataset._id}>
+            <a className='font-medium underline' href={dataset.url_path}>
+              {dataset.metadata.title
+                ? dataset.metadata.title
+                : dataset.url_path}
+            </a>
+          </li>
+        ))}
+      </ul>
+    </>
+  );
+}
+

packages/components/src/index.ts

@@ -1,4 +1,5 @@
 export * from "./components/Table";
+export * from "./components/Catalog";
 export * from "./components/LineChart";
 export * from "./components/Vega";
-export * from "./components/VegaLite";
+export * from "./components/VegaLite";