Feat/file attachment display

web/package.json

@@ -70,6 +70,7 @@
     "typescript": "^5.3.3"
   },
   "dependencies": {
+    "@cyntler/react-doc-viewer": "^1.16.3",
     "@filebase/client": "^0.0.5",
     "@kleros/ui-components-library": "^2.12.0",
     "@middy/core": "^5.3.5",

web/src/app.tsx

@@ -13,6 +13,7 @@ import Layout from "layout/index";
 import NewTransaction from "./pages/NewTransaction";
 import MyTransactions from "./pages/MyTransactions";
 import { NewTransactionProvider } from "./context/NewTransactionContext";
+import AttachmentDisplay from "./pages/AttachmentDisplay";
 
 const App: React.FC = () => {
   return (
@@ -28,6 +29,7 @@ const App: React.FC = () => {
                     <Route index element={<Navigate to="new-transaction" replace />} />
                     <Route path="new-transaction/*" element={<NewTransaction />} />
                     <Route path="transactions/*" element={<MyTransactions />} />
+                    <Route path="attachment/*" element={<AttachmentDisplay />} />
                     <Route path="*" element={<h1>404 not found</h1>} />
                   </Route>
                 </SentryRoutes>

web/src/components/FileViewer/Viewers/MarkdownViewer.tsx

@@ -0,0 +1,38 @@
+import React from "react";
+import styled from "styled-components";
+
+import { type DocRenderer } from "@cyntler/react-doc-viewer";
+import ReactMarkdown from "react-markdown";
+
+const Container = styled.div`
+  padding: 16px;
+`;
+
+const StyledMarkdown = styled(ReactMarkdown)`
+  background-color: ${({ theme }) => theme.whiteBackground};
+  a {
+    font-size: 16px;
+  }
+  code {
+    color: ${({ theme }) => theme.secondaryText};
+  }
+`;
+
+const MarkdownRenderer: DocRenderer = ({ mainState: { currentDocument } }) => {
+  if (!currentDocument) return null;
+  const base64String = (currentDocument.fileData as string).split(",")[1];
+
+  // Decode the base64 string
+  const decodedData = atob(base64String);
+
+  return (
+    <Container id="md-renderer">
+      <StyledMarkdown>{decodedData}</StyledMarkdown>
+    </Container>
+  );
+};
+
+MarkdownRenderer.fileTypes = ["md", "text/plain"];
+MarkdownRenderer.weight = 1;
+
+export default MarkdownRenderer;

web/src/components/FileViewer/index.tsx

@@ -0,0 +1,53 @@
+import React from "react";
+import styled from "styled-components";
+
+import DocViewer, { DocViewerRenderers } from "@cyntler/react-doc-viewer";
+
+import "@cyntler/react-doc-viewer/dist/index.css";
+
+import MarkdownRenderer from "./Viewers/MarkdownViewer";
+import { customScrollbar } from "styles/customScrollbar";
+
+const Wrapper = styled.div`
+  background-color: ${({ theme }) => theme.whiteBackground};
+  border-radius: 3px;
+  box-shadow: 0px 2px 3px 0px rgba(0, 0, 0, 0.06);
+  max-height: 1050px;
+  overflow: scroll;
+
+  ${customScrollbar}
+`;
+
+const StyledDocViewer = styled(DocViewer)`
+  background-color: ${({ theme }) => theme.whiteBackground} !important;
+`;
+
+/**
+ * @description this viewer supports loading multiple files, it can load urls, local files, etc
+ * @param url The url of the file to be displayed
+ * @returns renders the file
+ */
+const FileViewer: React.FC<{ url: string }> = ({ url }) => {
+  const docs = [{ uri: url }];
+  return (
+    <Wrapper className="file-viewer-wrapper">
+      <StyledDocViewer
+        documents={docs}
+        pluginRenderers={[...DocViewerRenderers, MarkdownRenderer]}
+        config={{
+          header: {
+            disableHeader: true,
+            disableFileName: true,
+          },
+          pdfZoom: {
+            defaultZoom: 0.8,
+            zoomJump: 0.1,
+          },
+          pdfVerticalScrollByDefault: true, // false as default
+        }}
+      />
+    </Wrapper>
+  );
+};
+
+export default FileViewer;

web/src/components/Loader.tsx

@@ -0,0 +1,49 @@
+import React from "react";
+import styled, { type CSSProperties, keyframes } from "styled-components";
+
+import KlerosIcon from "svgs/icons/kleros.svg";
+
+type Width = CSSProperties["width"];
+type Height = CSSProperties["height"];
+
+const breathing = keyframes`
+  0% {
+    transform: scale(1);
+  }
+
+  50% {
+    transform: scale(1.3);
+  }
+
+  100% {
+    transform: scale(1);
+  }
+`;
+
+const StyledKlerosIcon = styled(KlerosIcon)`
+  path {
+    fill: ${({ theme }) => theme.klerosUIComponentsStroke};
+  }
+  animation: ${breathing} 2s ease-out infinite normal;
+`;
+
+const Container = styled.div<{ width?: Width; height?: Height }>`
+  width: ${({ width }) => width ?? "100%"};
+  height: ${({ height }) => height ?? "100%"};
+`;
+
+interface ILoader {
+  width?: Width;
+  height?: Height;
+  className?: string;
+}
+
+const Loader: React.FC<ILoader> = ({ width, height, className }) => {
+  return (
+    <Container {...{ width, height, className }}>
+      <StyledKlerosIcon />
+    </Container>
+  );
+};
+
+export default Loader;

web/src/components/PreviewCard/Terms/AttachedFile.tsx

@@ -1,12 +1,14 @@
 import React from "react";
+import { Link } from "react-router-dom";
 import styled from "styled-components";
-import { responsiveSize } from "styles/responsiveSize";
 import AttachmentIcon from "svgs/icons/attachment.svg";
+import { responsiveSize } from "styles/responsiveSize";
 import { getIpfsUrl } from "utils/getIpfsUrl";
 
-const StyledA = styled.a`
+const StyledA = styled(Link)`
   display: flex;
   gap: ${responsiveSize(5, 6)};
+
   > svg {
     width: 16px;
     fill: ${({ theme }) => theme.primaryBlue};
@@ -18,10 +20,10 @@ interface IAttachedFile {
 }
 
 const AttachedFile: React.FC<IAttachedFile> = ({ extraDescriptionUri }) => {
-  const href = extraDescriptionUri && getIpfsUrl(extraDescriptionUri);
+  const uri = extraDescriptionUri && getIpfsUrl(extraDescriptionUri);
 
   return extraDescriptionUri ? (
-    <StyledA href={href} target="_blank" rel="noreferrer">
+    <StyledA to={`/attachment/?url=${uri}`}>
       <AttachmentIcon />
       View Attached File
     </StyledA>

web/src/layout/Header/index.tsx

@@ -5,7 +5,7 @@ import DesktopHeader from "./DesktopHeader";
 
 const Container = styled.div`
   position: sticky;
-  z-index: 1;
+  z-index: 10;
   top: 0;
   width: 100%;
   height: 64px;
@@ -33,4 +33,4 @@ const Header: React.FC = () => {
   );
 };
 
-export default Header;
+export default Header;

web/src/pages/AttachmentDisplay/Header.tsx

@@ -0,0 +1,73 @@
+import React from "react";
+import styled from "styled-components";
+
+import { useNavigate } from "react-router-dom";
+
+import { Button } from "@kleros/ui-components-library";
+
+import Arrow from "svgs/icons/arrow-left.svg";
+import PaperClip from "svgs/icons/paperclip.svg";
+
+import { responsiveSize } from "styles/responsiveSize";
+
+const Container = styled.div`
+  width: 100%;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 38px;
+`;
+
+const TitleContainer = styled.div`
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  gap: 8px;
+`;
+
+const Title = styled.h1`
+  margin: 0px;
+  font-size: ${responsiveSize(16, 24)};
+`;
+
+const StyledPaperClip = styled(PaperClip)`
+  width: ${responsiveSize(16, 24)};
+  height: ${responsiveSize(16, 24)};
+  path {
+    fill: ${({ theme }) => theme.primaryPurple};
+  }
+`;
+
+const StyledButton = styled(Button)`
+  background-color: transparent;
+  padding: 0;
+  .button-text {
+    color: ${({ theme }) => theme.primaryBlue};
+    font-weight: 400;
+  }
+  .button-svg {
+    path {
+      fill: ${({ theme }) => theme.primaryBlue};
+    }
+  }
+  :focus,
+  :hover {
+    background-color: transparent;
+  }
+`;
+
+const Header: React.FC = () => {
+  const navigate = useNavigate();
+
+  return (
+    <Container>
+      <TitleContainer>
+        <StyledPaperClip />
+        <Title>Attachment File</Title>{" "}
+      </TitleContainer>
+      <StyledButton text="Return" Icon={Arrow} onClick={() => navigate(-1)} />
+    </Container>
+  );
+};
+
+export default Header;