feat: draw.io (diagrams.net) integration (#215)

* draw.io init

* updates

apps/client/src/features/editor/components/drawio/drawio-view.tsx

@@ -0,0 +1,173 @@
+import { NodeViewProps, NodeViewWrapper } from '@tiptap/react';
+import { ActionIcon, Card, Image, Modal, Text } from '@mantine/core';
+import { useRef, useState } from 'react';
+import { uploadFile } from '@/features/page/services/page-service.ts';
+import { useDisclosure } from '@mantine/hooks';
+import { getFileUrl } from '@/lib/config.ts';
+import {
+  DrawIoEmbed,
+  DrawIoEmbedRef,
+  EventExit,
+  EventSave,
+} from 'react-drawio';
+import { IAttachment } from '@/lib/types';
+import { decodeBase64ToSvgString, svgStringToFile } from '@/lib/utils';
+import clsx from 'clsx';
+import { IconEdit } from '@tabler/icons-react';
+
+export default function DrawioView(props: NodeViewProps) {
+  const { node, updateAttributes, editor, selected } = props;
+  const { src, title, width, attachmentId } = node.attrs;
+  const drawioRef = useRef<DrawIoEmbedRef>(null);
+  const [initialXML, setInitialXML] = useState<string>('');
+  const [opened, { open, close }] = useDisclosure(false);
+
+  const handleOpen = async () => {
+    if (!editor.isEditable) {
+      return;
+    }
+
+    try {
+      if (src) {
+        const url = getFileUrl(src);
+        const request = await fetch(url, {
+          credentials: 'include',
+          cache: 'no-store',
+        });
+        const blob = await request.blob();
+
+        const reader = new FileReader();
+        reader.readAsDataURL(blob);
+        reader.onloadend = () => {
+          let base64data = (reader.result || '') as string;
+          setInitialXML(base64data);
+        };
+      }
+    } catch (err) {
+      console.error(err);
+    } finally {
+      open();
+    }
+  };
+
+  const handleSave = async (data: EventSave) => {
+    const svgString = decodeBase64ToSvgString(data.xml);
+
+    const fileName = 'diagram.drawio.svg';
+    const drawioSVGFile = await svgStringToFile(svgString, fileName);
+
+    const pageId = editor.storage?.pageId;
+
+    let attachment: IAttachment = null;
+
+    if (attachmentId) {
+      attachment = await uploadFile(drawioSVGFile, pageId, attachmentId);
+    } else {
+      attachment = await uploadFile(drawioSVGFile, pageId);
+    }
+
+    updateAttributes({
+      src: `/files/${attachment.id}/${attachment.fileName}?t=${new Date(attachment.updatedAt).getTime()}`,
+      title: attachment.fileName,
+      size: attachment.fileSize,
+      attachmentId: attachment.id,
+    });
+
+    close();
+  };
+
+  return (
+    <NodeViewWrapper>
+      <Modal.Root opened={opened} onClose={close} fullScreen>
+        <Modal.Overlay />
+        <Modal.Content style={{ overflow: 'hidden' }}>
+          <Modal.Body>
+            <div style={{ height: '100vh' }}>
+              <DrawIoEmbed
+                ref={drawioRef}
+                xml={initialXML}
+                urlParameters={{
+                  ui: 'kennedy',
+                  spin: true,
+                  libraries: true,
+                  saveAndExit: true,
+                  noSaveBtn: true,
+                }}
+                onSave={(data: EventSave) => {
+                  // If the save is triggered by another event, then do nothing
+                  if (data.parentEvent !== 'save') {
+                    return;
+                  }
+                  handleSave(data);
+                }}
+                onClose={(data: EventExit) => {
+                  // If the exit is triggered by another event, then do nothing
+                  if (data.parentEvent) {
+                    return;
+                  }
+                  close();
+                }}
+              />
+            </div>
+          </Modal.Body>
+        </Modal.Content>
+      </Modal.Root>
+
+      {src ? (
+        <div style={{ position: 'relative' }}>
+          <Image
+            onClick={(e) => e.detail === 2 && handleOpen()}
+            radius="md"
+            fit="contain"
+            w={width}
+            src={getFileUrl(src)}
+            alt={title}
+            className={clsx(
+              selected ? 'ProseMirror-selectednode' : '',
+              'alignCenter'
+            )}
+          />
+
+          {selected && (
+            <ActionIcon
+              onClick={handleOpen}
+              variant="default"
+              color="gray"
+              mx="xs"
+              style={{
+                position: 'absolute',
+                top: 8,
+                right: 8,
+              }}
+            >
+              <IconEdit size={18} />
+            </ActionIcon>
+          )}
+        </div>
+      ) : (
+        <Card
+          radius="md"
+          onClick={(e) => e.detail === 2 && handleOpen()}
+          p="xs"
+          style={{
+            display: 'flex',
+            justifyContent: 'center',
+            alignItems: 'center',
+          }}
+          withBorder
+          className={clsx(selected ? 'ProseMirror-selectednode' : '')}
+        >
+          <div style={{ display: 'flex', alignItems: 'center' }}>
+            <ActionIcon variant="transparent" color="gray">
+              <IconEdit size={18} />
+            </ActionIcon>
+
+            <Text component="span" size="lg" c="dimmed">
+              Double-click to edit drawio diagram
+            </Text>
+          </div>
+        </Card>
+      )}
+    </NodeViewWrapper>
+  );
+}