From 4092f856a6f973285210cca3db105d4d49df101d Mon Sep 17 00:00:00 2001
From: Wallys Ferreira <wallysfsilva@gmail.com>
Date: Sat, 27 Jan 2024 09:21:17 -0300
Subject: [PATCH] feat: upload multiple files (#116)

* feat: add property 'multiple' to file input

* feat: sends multiple documents or images to api

* fix: show icon for each file being uploaded

* fix: refresh page after uploading all files

* chore: add semicolons

* fix: cards overflow

* chore: add EOF

* fix: prevent file name overflow in card

Co-authored-by: Kevin Nielsen <keveran@gmail.com>

* chore: fix indentation

---------

Co-authored-by: Kevin Nielsen <keveran@gmail.com>
---
 frontend/src/components/docs-input.tsx     | 32 +++++++++---------
 frontend/src/components/image-input.tsx    | 31 +++++++++---------
 frontend/src/components/upload-preview.tsx | 33 +++++++++++++++++++
 frontend/src/components/upload.tsx         | 38 ++++++++++++----------
 frontend/src/index.css                     |  6 +++-
 5 files changed, 89 insertions(+), 51 deletions(-)
 create mode 100644 frontend/src/components/upload-preview.tsx

diff --git a/frontend/src/components/docs-input.tsx b/frontend/src/components/docs-input.tsx
index 2d5893d..ceaec0d 100644
--- a/frontend/src/components/docs-input.tsx
+++ b/frontend/src/components/docs-input.tsx
@@ -1,37 +1,35 @@
 import { useState } from "react";
-import { FileText } from "lucide-react";
+import UploadPreview from "./upload-preview";
 
 const DocsInput: React.FC<{
   fileRef: React.RefObject<HTMLInputElement>;
 }> = ({ fileRef }) => {
-  const [fileName, setFileName] = useState<undefined | string>(undefined);
+  const [fileNames, setFileNames] = useState<string[]>([]);
 
-  const getFileName = () => {
+  const getFileNames = () => {
     if (fileRef.current?.files != null) {
-      setFileName(fileRef.current.files[0].name);
+      let names = [];
+
+      for (let file of fileRef.current.files) {
+        names.push(file.name);
+      }
+
+      setFileNames(names);
     }
   };
 
   return (
-    <div className="my-8 flex flex-col justify-center items-center h-full">
-      <div className="w-full h-full mb-4 flex justify-center items-center">
-        {fileName ? (
-          <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex flex-col overflow-hidden justify-center items-center">
-            <FileText size="128" />
-            {fileName}
-          </div>
-        ) : (
-          <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex justify-center items-center">
-            <FileText size="128" />
-          </div>
-        )}
+    <div className="my-8 flex max-h-[691px] flex-col justify-center items-center h-full">
+      <div className="w-full h-full mb-4 flex justify-center items-center overflow-hidden">
+        <UploadPreview fileNames={fileNames} type="docs"/>
       </div>
       <label htmlFor="document" className="flex flex-col">
         Select Document
         <input
-          onChange={getFileName}
+          onChange={getFileNames}
           type="file"
           accept="text/plain, application/msword, application/vnd.openxmlformats-officedocument.wordprocessingml.document, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.openxmlformats-officedocument.presentationml.presentation, application/pdf, application/rtf, application/x-freearc"
+          multiple
           name="document"
           id="document"
           aria-label="Select document"
diff --git a/frontend/src/components/image-input.tsx b/frontend/src/components/image-input.tsx
index b20890e..dc8aa8c 100644
--- a/frontend/src/components/image-input.tsx
+++ b/frontend/src/components/image-input.tsx
@@ -1,37 +1,36 @@
-import { FileImage } from "lucide-react";
 import { useState } from "react";
+import UploadPreview from "./upload-preview";
 
 const ImageInput: React.FC<{
   fileRef: React.RefObject<HTMLInputElement>;
 }> = ({ fileRef }) => {
-  const [fileName, setFileName] = useState<undefined | string>(undefined);
+  const [fileNames, setFileNames] = useState<string[]>([]);
 
-  const getFileName = () => {
+  const getFileNames = () => {
     if (fileRef.current?.files != null) {
-      setFileName(fileRef.current.files[0].name);
+      let names = [];
+
+      for (let file of fileRef.current.files) {
+        names.push(file.name);
+      }
+
+      setFileNames(names);
     }
   };
 
+
   return (
-    <div className="my-8 flex flex-col justify-center items-center h-full">
+    <div className="my-8 max-h-[691px] flex flex-col justify-center items-center h-full">
       <div className="w-full h-full mb-4 flex justify-center items-center">
-        {fileName ? (
-          <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex flex-col justify-center overflow-hidden items-center">
-            <FileImage size="128" />
-            {fileName}
-          </div>
-        ) : (
-          <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex justify-center items-center">
-            <FileImage size="128" />
-          </div>
-        )}
+        <UploadPreview fileNames={fileNames} type="images"/>
       </div>
       <label htmlFor="image" className="flex flex-col">
         Select Image
         <input
-          onChange={getFileName}
+          onChange={getFileNames}
           type="file"
           accept="image/jpeg, image/png, image/jpg, image/webp, image/gif, image/bmp"
+          multiple
           name="image"
           id="image"
           aria-label="Select image"
diff --git a/frontend/src/components/upload-preview.tsx b/frontend/src/components/upload-preview.tsx
new file mode 100644
index 0000000..3b87690
--- /dev/null
+++ b/frontend/src/components/upload-preview.tsx
@@ -0,0 +1,33 @@
+import { FileText } from "lucide-react";
+import { FileImage } from "lucide-react";
+
+const UploadPreview = ({fileNames, type}: {fileNames: string[], type: string}) => {
+  if (fileNames.length >= 7) {
+    return (
+      <ul className="list-columns">
+        {fileNames.map(fileName => (
+          <li>{fileName}</li>
+        ))}
+      </ul>
+    );
+  } else if (fileNames.length > 0) {
+    return (
+      <section className="flex flex-row overflow-hidden">
+        {fileNames.map(fileName => (
+          <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex flex-col overflow-hidden justify-center items-center">
+            {type == "docs" ? <FileText size="128" /> : <FileImage size="128" />}
+            <p className="w-full px-2 truncate text-center">{fileName}</p>
+          </div>
+        ))}
+      </section>
+    );
+  } else {
+    return (
+      <div className="border rounded-lg w-64 min-h-[264px] max-w-[256px] flex justify-center items-center">
+        {type == "docs" ? <FileText size="128" /> : <FileImage size="128" />}
+      </div>
+    );
+  }
+};
+
+export default UploadPreview;
diff --git a/frontend/src/components/upload.tsx b/frontend/src/components/upload.tsx
index b259cc8..ab4e99e 100644
--- a/frontend/src/components/upload.tsx
+++ b/frontend/src/components/upload.tsx
@@ -23,29 +23,33 @@ const Upload = () => {
 
   const file = useRef<HTMLInputElement>(null);
 
-  const uploadFile = () => {
+  const uploadFile = async () => {
     const files = file.current?.files;
 
     if (files !== null && files !== undefined) {
       toast.loading("Uploading...");
-      const toUpload = files[0];
-      const form = new FormData();
       const type = tab === "docs" ? "doc" : "image";
-      form.append(type, toUpload);
-      axios
-        .post<{ url: string }>(`/api/cdn/upload/${type}`, form)
-        .then((res) => {
-          if (res.status === 200) {
+
+      for (let file of files) {
+        const form = new FormData();
+        form.append(type, file);
+
+        await axios
+          .post<{ url: string }>(`/api/cdn/upload/${type}`, form)
+          .then((res) => {
+            if (res.status === 200) {
+              toast.dismiss();
+              toast.success("Successfully uploaded file!");
+              getSize(setSize, setLoading);
+            }
+          })
+          .catch((err: Error) => {
             toast.dismiss();
-            toast.success("Successfully uploaded file!");
-            getSize(setSize, setLoading);
-            location.reload();
-          }
-        })
-        .catch((err: Error) => {
-          toast.dismiss();
-          toast.error(err.message);
-        });
+            toast.error(err.message);
+          });
+      }
+
+      location.reload();
     }
   };
 
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 732ef6e..2db60f2 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -99,4 +99,8 @@
 /* Show the tooltip text when you mouse over the tooltip container */
 .tooltip:hover .tooltiptext {
   visibility: visible;
-}
\ No newline at end of file
+}
+
+.list-columns {
+  columns: 4;
+}