From 6ca1ff6227c80fd4d086bdf532a9dda5ddbcb53c Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <stepanusatiuk@gmail.com>
Date: Sun, 19 Jan 2020 20:45:38 +0300
Subject: [PATCH] don't overwrite local document content on upload

---
 frontend/src/redux/docs/reducer.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/frontend/src/redux/docs/reducer.ts b/frontend/src/redux/docs/reducer.ts
index 37a7197..3008163 100644
--- a/frontend/src/redux/docs/reducer.ts
+++ b/frontend/src/redux/docs/reducer.ts
@@ -34,6 +34,14 @@ const defaultDocsState: IDocsState = {
     deletedDocument: null,
 };
 
+function isDocDirty(doc1: IDocumentJSON, doc2: IDocumentJSON) {
+    return (
+        doc1.content !== doc2.content ||
+        doc1.name !== doc2.name ||
+        doc1.shared !== doc2.shared
+    );
+}
+
 export const docsReducer: Reducer<IDocsState, DocsAction> = (
     state: IDocsState = defaultDocsState,
     action: DocsAction | UserAction,
@@ -83,7 +91,11 @@ export const docsReducer: Reducer<IDocsState, DocsAction> = (
         case DocsTypes.DOCS_UPLOAD_SUCCESS: {
             const all: { [key: number]: IDocumentEntry } = { ...state.all };
             action.payload.all.forEach(doc => {
-                all[doc.id] = { ...doc, remote: doc, dirty: false };
+                if (isDocDirty(all[doc.id], doc)) {
+                    all[doc.id] = { ...all[doc.id], remote: doc, dirty: true };
+                } else {
+                    all[doc.id] = { ...all[doc.id], remote: doc, dirty: false };
+                }
             });
             return { ...state, all, uploading: false, dirty: false };
         }