[NEW][β] IPFS snapshot component (RocketChat#151)

Add IPFS - fix build problem.

app/.gitignore

@@ -18,6 +18,7 @@
 # misc
 .DS_Store
 *.pem
+package-lock.json
 
 # debug
 npm-debug.log*

app/components/marketplace/ipfs.js

@@ -0,0 +1,120 @@
+import { Button, Card, Spinner, Stack } from "react-bootstrap";
+import * as IPFS from "ipfs-core";
+import { useRef, useState } from "react";
+
+const IpfsAdder = ({ showText }) => {
+  const [fileUrl, updateFileUrl] = useState(``);
+  const [cid, setCID] = useState("");
+  const [adding, setAdding] = useState(false);
+
+  const hiddenInput = useRef(null);
+
+  const getIPFS = async (e) => {
+    try {
+      setAdding(true);
+      const file = e.target.files[0];
+
+      const ipfs = await IPFS.create({ repo: "ok" + Math.random() });
+
+      console.log("ipfs", ipfs);
+      const { cid } = await ipfs.add(file);
+      const url = `https://ipfs.io/ipfs/${cid.toString()}`;
+      updateFileUrl(url);
+
+      setCID(cid.toString());
+      setAdding(false);
+    } catch (e) {
+      setAdding(false);
+      console.error("An error occurred while uploading media", e);
+    }
+  };
+
+  const handleInputClick = (event) => {
+    hiddenInput.current.click();
+  };
+
+  return (
+    <div className="mx-auto">
+      <Stack direction="vertical" gap={2}>
+        <Stack direction="horizontal" gap={2}>
+          <Button disabled={adding} onClick={handleInputClick}>
+            {adding ? (
+              <Spinner
+                as="span"
+                animation="border"
+                size="sm"
+                role="status"
+                aria-hidden="true"
+              />
+            ) : (
+              showText
+            )}
+          </Button>
+          <input
+            type="file"
+            style={{ display: "none" }}
+            ref={hiddenInput}
+            accept="image/*"
+            capture="camera"
+            onChange={getIPFS}
+          />
+          {cid && <Copy cid={cid} />}
+        </Stack>
+
+        {fileUrl && <PreviewImage srcUrl={fileUrl} />}
+      </Stack>
+    </div>
+  );
+};
+
+const Copy = ({ cid }) => {
+  const [isCopied, setIsCopied] = useState(false);
+
+  async function copyTextToClipboard(text) {
+    if ("clipboard" in navigator) {
+      return await navigator.clipboard.writeText(text);
+    } else {
+      return document.execCommand("copy", true, text);
+    }
+  }
+
+  const handleCopyClick = () => {
+    copyTextToClipboard(cid)
+      .then(() => {
+        setIsCopied(true);
+        setTimeout(() => {
+          setIsCopied(false);
+        }, 1500);
+      })
+      .catch((err) => {
+        console.log(err);
+      });
+  };
+
+  return (
+    <Stack gap={2} direction="horizontal">
+      <Button disabled variant="outline-dark">
+        {cid.substr(0, 5)}...{cid.substr(cid.length - 5, cid.length)}
+      </Button>
+      <Button variant="outline-dark" onClick={handleCopyClick}>
+        {isCopied ? "Copied" : "Copy"}
+      </Button>
+    </Stack>
+  );
+};
+
+const PreviewImage = ({ srcUrl }) => {
+  return (
+    <Card style={{ width: "18rem" }}>
+      <Card.Img variant="top" src={srcUrl} />
+      <Card.Body>
+        <Card.Title>Image Preview</Card.Title>
+        <Button href={srcUrl} target="_blank" variant="primary">
+          Visit on IPFS
+        </Button>
+      </Card.Body>
+    </Card>
+  );
+};
+
+export default IpfsAdder;