From dea284635cba52764407681f2e78b2b56354d00f Mon Sep 17 00:00:00 2001
From: ioedeveloper <daviddisu8@gmail.com>
Date: Wed, 19 May 2021 17:18:14 +0100
Subject: [PATCH] Implement copyFile

---
 apps/remix-ide/src/app/files/fileManager.js   | 10 ++++----
 .../src/lib/file-explorer-context-menu.tsx    |  2 +-
 .../file-explorer/src/lib/file-explorer.tsx   | 24 +++++++++++++++----
 .../file-explorer/src/lib/types/index.ts      |  2 +-
 4 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/apps/remix-ide/src/app/files/fileManager.js b/apps/remix-ide/src/app/files/fileManager.js
index 44e33ff0d2..65b34c9b80 100644
--- a/apps/remix-ide/src/app/files/fileManager.js
+++ b/apps/remix-ide/src/app/files/fileManager.js
@@ -217,12 +217,14 @@ class FileManager extends Plugin {
     try {
       src = this.limitPluginScope(src)
       dest = this.limitPluginScope(dest)
-      await this._handleExists(src, `Cannot copy from ${src}`)
-      await this._handleIsFile(src, `Cannot copy from ${src}`)
-      await this._handleIsFile(dest, `Cannot paste content into ${dest}`)
+      await this._handleExists(src, `Cannot copy from ${src}. Path does not exist.`)
+      await this._handleIsFile(src, `Cannot copy from ${src}. Path is not a file.`)
+      await this._handleExists(dest, `Cannot paste content into ${dest}. Path does not exist.`)
+      await this._handleIsDir(dest, `Cannot paste content into ${dest}. Path is not directory.`)
       const content = await this.readFile(src)
+      const copiedFileName = `/Copy_${src.split('/')[src.split('/').length - 1]}`
 
-      await this.writeFile(dest, content)
+      await this.writeFile(dest + copiedFileName, content)
     } catch (e) {
       throw new Error(e)
     }
diff --git a/libs/remix-ui/file-explorer/src/lib/file-explorer-context-menu.tsx b/libs/remix-ui/file-explorer/src/lib/file-explorer-context-menu.tsx
index a63633e3b2..f7c5302b06 100644
--- a/libs/remix-ui/file-explorer/src/lib/file-explorer-context-menu.tsx
+++ b/libs/remix-ui/file-explorer/src/lib/file-explorer-context-menu.tsx
@@ -65,7 +65,7 @@ export const FileExplorerContextMenu = (props: FileExplorerContextMenuProps) =>
               copy(path, type)
               break
             case 'Paste':
-              paste(path)
+              paste(path, type)
               break
             default:
               emit && emit(item.id, path)
diff --git a/libs/remix-ui/file-explorer/src/lib/file-explorer.tsx b/libs/remix-ui/file-explorer/src/lib/file-explorer.tsx
index 6135c6ecc6..53a752e45d 100644
--- a/libs/remix-ui/file-explorer/src/lib/file-explorer.tsx
+++ b/libs/remix-ui/file-explorer/src/lib/file-explorer.tsx
@@ -121,7 +121,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
     reservedKeywords: [name, 'gist-'],
     copyElement: []
   })
-  const [canPaste, setcanPaste] = useState(false)
+  const [canPaste, setCanPaste] = useState(false)
   const [fileSystem, dispatch] = useReducer(fileSystemReducer, fileSystemInitialState)
   const editRef = useRef(null)
 
@@ -413,6 +413,16 @@ export const FileExplorer = (props: FileExplorerProps) => {
     })
   }
 
+  const copyFile = (src: string, dest: string) => {
+    const fileManager = state.fileManager
+
+    try {
+      fileManager.copyFile(src, dest)
+    } catch (error) {
+      console.log('Oops! An error ocurred while performing copyFile operation.' + error)
+    }
+  }
+
   const publishToGist = (path?: string, type?: string) => {
     modal('Create a public gist', `Are you sure you want to anonymously publish all your files in the ${name} workspace as a public gist on github.com?`, 'OK', () => toGist(path, type), 'Cancel', () => {})
   }
@@ -734,15 +744,19 @@ export const FileExplorer = (props: FileExplorerProps) => {
     setState(prevState => {
       return { ...prevState, copyElement: [...prevState.copyElement, { key: path, type }] }
     })
-    setcanPaste(true)
+    setCanPaste(true)
+    toast('Copied to clipboard')
   }
 
-  const handlePasteClick = (dest: string) => {
-    console.log('destination: ', dest)
+  const handlePasteClick = (dest: string, destType: string) => {
+    dest = destType === 'file' ? extractParentFromKey(dest) || props.name : dest
+    state.copyElement.map(({ key, type }) => {
+      type === 'file' ? copyFile(key, dest) : copyFile(key, dest)
+    })
     setState(prevState => {
       return { ...prevState, copyElement: [] }
     })
-    setcanPaste(false)
+    setCanPaste(false)
   }
 
   const label = (file: File) => {
diff --git a/libs/remix-ui/file-explorer/src/lib/types/index.ts b/libs/remix-ui/file-explorer/src/lib/types/index.ts
index 5c29ebac8e..e89361378c 100644
--- a/libs/remix-ui/file-explorer/src/lib/types/index.ts
+++ b/libs/remix-ui/file-explorer/src/lib/types/index.ts
@@ -48,5 +48,5 @@ export interface FileExplorerContextMenuProps {
     type: string,
     onMouseOver?: (...args) => void,
     copy?: (path: string, type: string) => void
-    paste?: (destination: string) => void
+    paste?: (destination: string, type: string) => void
 }