Make account cards draggable and persist order in local storage

src/app/components/MainGrid.tsx

@@ -11,6 +11,7 @@ import { AccessToken } from "@/types";
 import { CharacterContext, SessionContext } from "../context/Context";
 import ResponsiveAppBar from "./AppBar/AppBar";
 import { Summary } from "./Summary/Summary";
+import { DragDropContext, Droppable, Draggable, DropResult } from "@hello-pangea/dnd";
 
 interface Grouped {
   [key: string]: AccessToken[];
@@ -38,7 +39,41 @@ declare module "@mui/material/styles" {
 }
 
 export const MainGrid = () => {
-  const { characters } = useContext(CharacterContext);
+  const { characters, updateCharacter } = useContext(CharacterContext);
+  const [accountOrder, setAccountOrder] = useState<string[]>([]);
+
+  // Initialize account order when characters change
+  useEffect(() => {
+    const currentAccounts = Object.keys(
+      characters.reduce<Grouped>((group, character) => {
+        const { account } = character;
+        group[account ?? ""] = group[account ?? ""] ?? [];
+        group[account ?? ""].push(character);
+        return group;
+      }, {})
+    );
+
+    const savedOrder = localStorage.getItem('accountOrder');
+    if (savedOrder) {
+      try {
+        const parsedOrder = JSON.parse(savedOrder);
+        const validOrder = parsedOrder.filter((account: string) => currentAccounts.includes(account));
+        const newAccounts = currentAccounts.filter(account => !validOrder.includes(account));
+        setAccountOrder([...validOrder, ...newAccounts]);
+      } catch (e) {
+        setAccountOrder(currentAccounts);
+      }
+    } else {
+      setAccountOrder(currentAccounts);
+    }
+  }, [characters]);
+
+  useEffect(() => {
+    if (accountOrder.length > 0) {
+      localStorage.setItem('accountOrder', JSON.stringify(accountOrder));
+    }
+  }, [accountOrder]);
+
   const groupByAccount = characters.reduce<Grouped>((group, character) => {
     const { account } = character;
     group[account ?? ""] = group[account ?? ""] ?? [];
@@ -79,24 +114,66 @@ export const MainGrid = () => {
     );
   }, [compactMode]);
 
+  const handleDragEnd = (result: DropResult) => {
+    if (!result.destination) return;
+
+    const items = Array.from(accountOrder);
+    const [reorderedItem] = items.splice(result.source.index, 1);
+    items.splice(result.destination.index, 0, reorderedItem);
+
+    setAccountOrder(items);
+  };
+
+  const DragDropContextComponent = DragDropContext as any;
+  const DroppableComponent = Droppable as any;
+  const DraggableComponent = Draggable as any;
+
   return (
     <ThemeProvider theme={darkTheme}>
       <CssBaseline />
       <Box sx={{ flexGrow: 1 }}>
         <ResponsiveAppBar />
         {compactMode ? <></> : <Summary characters={characters} />}
-        <Grid container spacing={1}>
-          {Object.values(groupByAccount).map((g, id) => (
-            <Grid
-              item
-              xs={12}
-              sm={compactMode ? 6 : 12}
-              key={`account-${id}-${g[0].account}`}
-            >
-              <AccountCard characters={g} />
-            </Grid>
-          ))}
-        </Grid>
+        <DragDropContextComponent onDragEnd={handleDragEnd}>
+          <DroppableComponent droppableId="accounts">
+            {(provided: any) => (
+              <Grid
+                container
+                spacing={1}
+                sx={{ padding: 1 }}
+                {...provided.droppableProps}
+                ref={provided.innerRef}
+              >
+                {accountOrder.map((account, index) => (
+                  <DraggableComponent
+                    key={account}
+                    draggableId={account}
+                    index={index}
+                  >
+                    {(provided: any) => (
+                      <Grid
+                        item
+                        xs={12}
+                        sm={compactMode ? 6 : 12}
+                        ref={provided.innerRef}
+                        {...provided.draggableProps}
+                        {...provided.dragHandleProps}
+                        sx={{
+                          '& > *': {
+                            width: '100%',
+                          },
+                        }}
+                      >
+                        <AccountCard characters={groupByAccount[account]} />
+                      </Grid>
+                    )}
+                  </DraggableComponent>
+                ))}
+                {provided.placeholder}
+              </Grid>
+            )}
+          </DroppableComponent>
+        </DragDropContextComponent>
       </Box>
     </ThemeProvider>
   );