From 94f10fb7c2417a72be55271093ad8687dd0b0481 Mon Sep 17 00:00:00 2001
From: Norbert Csaba Herczeg <noherczeg@gmail.com>
Date: Thu, 14 Nov 2024 13:09:18 +0100
Subject: [PATCH] JNG-6014 image display component (#489)

---
 .../components/widgets/ImageDisplay.tsx.hbs   | 52 +++++++++++++++++++
 .../src/main/resources/ui-react.yaml          |  4 ++
 2 files changed, 56 insertions(+)
 create mode 100644 judo-ui-react/src/main/resources/actor/src/components/widgets/ImageDisplay.tsx.hbs

diff --git a/judo-ui-react/src/main/resources/actor/src/components/widgets/ImageDisplay.tsx.hbs b/judo-ui-react/src/main/resources/actor/src/components/widgets/ImageDisplay.tsx.hbs
new file mode 100644
index 00000000..9a655ef4
--- /dev/null
+++ b/judo-ui-react/src/main/resources/actor/src/components/widgets/ImageDisplay.tsx.hbs
@@ -0,0 +1,52 @@
+import type { SxProps } from '@mui/material/styles';
+import Box from '@mui/system/Box';
+import { type CSSProperties, useEffect, useMemo, useState } from 'react';
+import { AccessServiceImpl } from '~/services/data-axios/AccessServiceImpl';
+import { judoAxiosProvider } from '~/services/data-axios/JudoAxiosProvider';
+import { fileHandling } from '~/utilities/file-handling';
+
+export interface ImageDisplayProps {
+  token: string;
+  imageCSS?: CSSProperties;
+  sx?: SxProps;
+  fallbackUrl?: string;
+}
+
+export function ImageDisplay({ token, imageCSS, sx, fallbackUrl }: ImageDisplayProps) {
+  const { extractFileNameFromToken } = fileHandling();
+
+  const [imageUrl, setImageUrl] = useState<string | null>(null);
+  const [altText, setAltText] = useState<string | null>(null);
+
+  const accessServiceImpl = useMemo(() => new AccessServiceImpl(judoAxiosProvider), []);
+
+  useEffect(() => {
+    (async () => {
+      try {
+        const response = await accessServiceImpl.downloadFile(token, 'inline');
+
+        if (response && response.status === 200) {
+          const fileType = response.headers['content-type'];
+          const url = window.URL.createObjectURL(new Blob([response.data], { type: fileType }));
+          setImageUrl(url);
+          setAltText(extractFileNameFromToken(token));
+        } else {
+          setImageUrl(null);
+          setAltText(null);
+        }
+      } catch (error) {
+        console.error(error);
+        setImageUrl(null);
+        setAltText(null);
+      }
+    })();
+  }, [token]);
+
+  const effectiveImageUrl: string | undefined = useMemo(() => imageUrl || fallbackUrl, [imageUrl, fallbackUrl]);
+
+  return (
+    <Box sx={sx}>
+      {effectiveImageUrl ? <img src={effectiveImageUrl} alt={altText as any} style={imageCSS} /> : null}
+    </Box>
+  );
+}
diff --git a/judo-ui-react/src/main/resources/ui-react.yaml b/judo-ui-react/src/main/resources/ui-react.yaml
index db8873ce..27e4c57c 100644
--- a/judo-ui-react/src/main/resources/ui-react.yaml
+++ b/judo-ui-react/src/main/resources/ui-react.yaml
@@ -509,6 +509,10 @@ templates:
     pathExpression: "'src/components/widgets/DefaultToolbar.tsx'"
     templateName: actor/src/components/widgets/DefaultToolbar.tsx.hbs
 
+  - name: actor/src/components/widgets/ImageDisplay.tsx
+    pathExpression: "'src/components/widgets/ImageDisplay.tsx'"
+    templateName: actor/src/components/widgets/ImageDisplay.tsx.hbs
+
   # Actor - src - components-api
 
   - name: actor/src/components-api/components/Action.ts