added UploadButton component

packages/app/src/components/UploadButton/index.jsx

@@ -0,0 +1,89 @@
+import React from "react"
+import { Button, Upload } from "antd"
+
+import { Icons } from "components/Icons"
+
+export default (props) => {
+    const [uploading, setUploading] = React.useState(false)
+
+    const handleUpload = async (req) => {
+        setUploading(true)
+
+        const formData = new FormData()
+
+        formData.append("files", req.file)
+
+        const response = await window.app.cores.api.customRequest("main", {
+            url: "/upload",
+            method: "POST",
+            data: formData
+        }).catch((error) => {
+            console.error(error)
+            app.message.error(error.respose.data.message)
+
+            return false
+        })
+
+        if (response) {
+            // check failed uploads
+            if (response.data.failed.length > 0) {
+                app.notification.new({
+                    message: "Could not upload files",
+                    description: () => {
+                        return response.data.failed.map((fail) => {
+                            return <div
+                                style={{
+                                    marginBottom: 5
+                                }}
+                            >
+                                <b>[{fail.fileName}]</b> - {fail.error}
+                            </div>
+                        })
+                    }
+                }, {
+                    type: "error"
+                })
+            }
+
+            if (response.data.files.length > 0) {
+                if (typeof props.onUploadDone === "function") {
+                    if (props.multiple) {
+                        await props.onUploadDone(response.data.files)
+                    } else {
+                        await props.onUploadDone(response.data.files[0])
+                    }
+                }
+            }
+        }
+
+        setUploading(false)
+    }
+
+    return <Upload
+        customRequest={handleUpload}
+        multiple={
+            props.multiple ?? false
+        }
+        accept={
+            props.accept ?? "image/*"
+        }
+        progress={false}
+        fileList={[]}
+    >
+        <Button
+            icon={props.icon ?? <Icons.Upload
+                style={{
+                    margin: 0
+                }}
+            />}
+            loading={uploading}
+            type={
+                props.type ?? "round"
+            }
+        >
+            {
+                props.children ?? "Upload"
+            }
+        </Button>
+    </Upload>
+}