Added pagination and filter properties for the BucketViewer component

.changeset/red-socks-grow.md

@@ -0,0 +1,5 @@
+---
+'@portaljs/components': patch
+---
+
+Added pagination and filter properties for the BucketViewer component

packages/components/src/components/BucketViewer.tsx

@@ -1,46 +1,131 @@
-import { useEffect, useState } from 'react';
+import { CSSProperties, ReactNode, useEffect, useState } from 'react';
 import LoadingSpinner from './LoadingSpinner';
 
+export interface BucketViewerFilterSearchedDataEvent { 
+  startDate?: Date;
+  endDate?: Date; 
+}
+
 export interface BucketViewerProps {
+  onLoadTotalNumberOfItems?: (total: number) => void;
   domain: string;
   suffix?: string;
   className?: string;
+  downloadComponent?: ReactNode;
+  paginationConfig?: BucketViewerPaginationConfig;
+  filterState?: BucketViewerFilterSearchedDataEvent;
   dataMapperFn: (rawData: Response) => Promise<BucketViewerData[]>;
 }
 
+export interface BucketViewerPaginationConfig {
+  containerClassName?: string;
+  containerStyles?: CSSProperties;
+  itemsPerPage: number;
+}
+
 export interface BucketViewerData {
   fileName: string;
   downloadFileUri: string;
   dateProps?: {
     date: Date;
-    dateFormatter: (date: Date) => string;
+    dateFormatter?: (date: Date) => string;
   };
 }
 
 export function BucketViewer({
   domain,
+  downloadComponent,
   suffix,
   dataMapperFn,
   className,
+  filterState,
+  paginationConfig,
+  onLoadTotalNumberOfItems
 }: BucketViewerProps) {
+
+  suffix = suffix ?? '/';
+  downloadComponent = downloadComponent ?? <></>;
+
   const [isLoading, setIsLoading] = useState<boolean>(false);
+  const [showDownloadComponentOnLine, setShowDownloadComponentOnLine] = useState(0);
+  const [currentPage, setCurrentPage] = useState<number>(0);
+  const [lastPage, setLastPage] = useState<number>(0);
   const [bucketFiles, setBucketFiles] = useState<BucketViewerData[]>([]);
-  suffix = suffix ?? '/';
+  const [paginatedData, setPaginatedData] = useState<BucketViewerData[]>([]);
+  const [filteredData, setFilteredData] = useState<BucketViewerData[]>([]);
 
   useEffect(() => {
     setIsLoading(true);
     fetch(`${domain}${suffix}`)
       .then((res) => dataMapperFn(res))
-      .then((data) => setBucketFiles(data))
+      .then((data) => {
+        setBucketFiles(data);
+        setFilteredData(data);
+      })
       .finally(() => setIsLoading(false));
   }, [domain, suffix]);
+
+  useEffect(
+    () => {
+      if(paginationConfig) {
+        const startIndex = paginationConfig
+          ? currentPage * paginationConfig.itemsPerPage
+          : 0;
+
+        const endIndex = paginationConfig
+          ? startIndex + paginationConfig.itemsPerPage
+          : 0;
+
+        setLastPage(Math.ceil(filteredData.length / paginationConfig.itemsPerPage) - 1);
+        setPaginatedData(filteredData.slice(startIndex, endIndex));
+      }
+    }, 
+    [currentPage, filteredData]
+  );
+
+  useEffect(
+    () => {
+      if(onLoadTotalNumberOfItems) onLoadTotalNumberOfItems(filteredData.length);
+    }, 
+    [filteredData]
+  )
+
+  useEffect(() => {
+      if(!filterState) return;
+
+      if(filterState.startDate && filterState.startDate) {
+        setFilteredData(bucketFiles.filter(({ dateProps }) => 
+          dateProps 
+            ? 
+              dateProps.date.getTime() >= filterState.startDate.getTime() 
+              && dateProps.date.getTime() <= filterState.endDate.getTime() 
+            : true
+        ));
+      } else if(filterState.startDate) {
+        setFilteredData(bucketFiles.filter(({ dateProps }) => 
+          dateProps ? dateProps.date.getTime() >= filterState.startDate.getTime() : true
+        ));
+      } else if(filterState.endDate) {
+        setFilteredData(bucketFiles.filter(({ dateProps }) => 
+          dateProps ? dateProps.date.getTime() <= filterState.endDate.getTime() : true
+        ));
+      } else {
+        setFilteredData(bucketFiles);
+      }
+    }, 
+    [filterState]
+  )
+
   return isLoading ? (
     <div className="w-full flex items-center justify-center h-[300px]">
       <LoadingSpinner />
     </div>
   ) : bucketFiles ? (
     <>
-      {...bucketFiles?.map((data, i) => (
+      {...(paginationConfig && bucketFiles
+        ? paginatedData
+        : filteredData
+      )?.map((data, i) => (
         <ul
           onClick={() => {
             const anchorId = `download_anchor_${i}`;
@@ -49,7 +134,7 @@ export function BucketViewer({
               document.createElement('a');
             a.id = anchorId;
             if (a.download) a.click();
-            else {
+            else {  
               setIsLoading(true);
               fetch(data.downloadFileUri)
                 .then((res) => res.blob())
@@ -63,19 +148,78 @@ export function BucketViewer({
             }
           }}
           key={i}
+          onMouseEnter={() => setShowDownloadComponentOnLine(i)}
+          onMouseLeave={() => setShowDownloadComponentOnLine(undefined)}
           className={`${
             className ??
             'mb-2 border-b-[2px] border-b-[red] hover:cursor-pointer'
           }`}
         >
-          <li>{data.fileName}</li>
-          {data.dateProps ? (
-            <li>{data.dateProps.dateFormatter(data.dateProps.date)}</li>
-          ) : (
-            <></>
-          )}
+          {
+            downloadComponent && showDownloadComponentOnLine === i 
+              ? downloadComponent
+              : <></>
+          }
+          <div>
+            <li>{data.fileName}</li>
+            {data.dateProps && data.dateProps.dateFormatter ? (
+              <li>{data.dateProps.dateFormatter(data.dateProps.date)}</li>
+            ) : (
+              <></>
+            )}
+          </div>
         </ul>
       ))}
+      {paginationConfig ? (
+        <ul className={
+            paginationConfig.containerClassName 
+              ? paginationConfig.containerClassName 
+              : "flex justify-end gap-x-[0.5rem] w-full"
+            }
+            style={paginationConfig.containerStyles ?? {}}
+          >
+          <li>
+            <button 
+              className="hover:cursor-pointer hover:disabled:cursor-not-allowed"
+              disabled={currentPage === 0}
+              onClick={() => setCurrentPage(0)}>First</button>
+          </li>
+          <li>
+            <button
+              className="hover:cursor-pointer hover:disabled:cursor-not-allowed"
+              onClick={() => setCurrentPage(currentPage - 1)}
+              disabled={currentPage === 0}
+            >
+              Previous
+            </button>
+          </li>
+          <label>
+            {currentPage + 1}
+          </label>
+
+          <li>
+            <button
+              onClick={() => setCurrentPage(currentPage + 1)}
+              disabled={currentPage >= lastPage}
+              className="hover:cursor-pointer hover:disabled:cursor-not-allowed"
+            >
+              Next
+            </button>
+          </li>
+
+          <li>
+            <button
+              onClick={() => setCurrentPage(lastPage)}
+              disabled={currentPage >= lastPage}
+              className="hover:cursor-pointer hover:disabled:cursor-not-allowed"
+            >
+              Last
+            </button>
+          </li>
+        </ul>
+      ) : (
+        <></>
+      )}
     </>
   ) : null;
 }

packages/components/stories/BucketViewer.stories.ts

@@ -1,6 +1,7 @@
 import { type Meta, type StoryObj } from '@storybook/react';
 
 import { BucketViewer, BucketViewerProps } from '../src/components/BucketViewer';
+import LoadingSpinner from '../src/components/LoadingSpinner';
 
 // More on how to set up stories at: https://storybook.js.org/docs/react/writing-stories/introduction
 const meta: Meta = {
@@ -16,6 +17,16 @@ const meta: Meta = {
       description:
         'Suffix of bucket domain',
     },
+    downloadComponent: {
+      description:
+        'Component to be displayed on hover of each bucket data',
+    },
+    filterState: {
+      description: `State with values used to filter the bucket files`
+    },
+    paginationConfig: {
+      description: `Configuration to show and stylise the pagination on the component`,
+    },
   },
 };
 
@@ -44,3 +55,49 @@ export const Normal: Story = {
     }
   },
 };
+
+export const WithPagination: Story = {
+  name: 'With pagination',
+  args: {
+    domain: 'https://ssen-smart-meter.datopian.workers.dev',
+    suffix: '/',
+    paginationConfig: {
+      itemsPerPage: 3
+    },
+    dataMapperFn: async (rawData: Response) => {
+      const result = await rawData.json();
+      return result.objects.map(
+        e => ({
+          downloadFileUri: e.downloadLink,
+          fileName: e.key.replace(/^(\w+\/)/g, '') ,
+          dateProps: {
+            date: new Date(e.uploaded),
+            dateFormatter: (date) => date.toLocaleDateString()
+          }
+        })
+      )
+    }
+  },
+};
+
+export const WithComponentOnHoverOfEachBucketFile: Story = {
+  name: 'With component on hover of each bucket file',
+  args: {
+    domain: 'https://ssen-smart-meter.datopian.workers.dev',
+    suffix: '/',
+    downloadComponent: LoadingSpinner(),
+    dataMapperFn: async (rawData: Response) => {
+      const result = await rawData.json();
+      return result.objects.map(
+        e => ({
+          downloadFileUri: e.downloadLink,
+          fileName: e.key.replace(/^(\w+\/)/g, '') ,
+          dateProps: {
+            date: new Date(e.uploaded),
+            dateFormatter: (date) => date.toLocaleDateString()
+          }
+        })
+      )
+    }
+  },
+};