feat: raw statuses dnd

src/app/deals/components/StatusColumnsDnd/StatusColumnsDnd.tsx

@@ -9,18 +9,25 @@ import {
     DragOverlay,
     DragStartEvent,
     KeyboardSensor,
+    Over,
     PointerSensor,
     useSensor,
     useSensors,
 } from "@dnd-kit/core";
-import { sortableKeyboardCoordinates } from "@dnd-kit/sortable";
+import {
+    horizontalListSortingStrategy,
+    SortableContext,
+    sortableKeyboardCoordinates,
+} from "@dnd-kit/sortable";
 import { LexoRank } from "lexorank";
 import { throttle } from "lodash";
 import { Group, ScrollArea } from "@mantine/core";
 import DealCard from "@/app/deals/components/DealCard/DealCard";
 import StatusColumn from "@/app/deals/components/StatusColumn/StatusColumn";
 import { useStatusesContext } from "@/app/deals/contexts/StatusesContext";
+import { SortableItem } from "@/components/SortableDnd/SortableItem";
 import { DealSchema } from "@/types/DealSchema";
+import { StatusSchema } from "@/types/StatusSchema";
 import { getNewLexorank, sortByLexorank } from "@/utils/lexorank";
 
 type Props = {
@@ -29,11 +36,15 @@ type Props = {
         statusId: number,
         lexorank?: string
     ) => void;
+    onStatusDragEnd?: (statusId: number, newRank: string) => void;
 };
 
 const StatusColumnsDnd: FC<Props> = props => {
-    const { statuses, deals, setDeals } = useStatusesContext();
+    const { statuses, deals, setDeals, setStatuses } = useStatusesContext();
     const [activeDeal, setActiveDeal] = useState<DealSchema | null>(null);
+    const [activeStatus, setActiveStatus] = useState<StatusSchema | null>(null);
+
+    const sortedStatuses = useMemo(() => sortByLexorank(statuses), [statuses]);
     const throttledSetDeals = useMemo(
         () => throttle(setDeals, 200),
         [setDeals]
@@ -47,9 +58,18 @@ const StatusColumnsDnd: FC<Props> = props => {
     );
 
     const handleDragStart = ({ active }: DragStartEvent) => {
-        setActiveDeal(
-            deals.find(deal => deal.id === (active.id as number)) ?? null
-        );
+        const activeId = active.id as string | number;
+
+        if (typeof activeId === "string" && activeId.endsWith("-status")) {
+            const statusId = Number(activeId.replace("-status", ""));
+            setActiveStatus(
+                statuses.find(status => status.id === statusId) ?? null
+            );
+        } else {
+            setActiveDeal(
+                deals.find(deal => deal.id === (activeId as number)) ?? null
+            );
+        }
     };
 
     const getStatusByDealId = (dealId: number) => {
@@ -59,9 +79,18 @@ const StatusColumnsDnd: FC<Props> = props => {
     };
 
     const handleDragOver = ({ active, over }: DragOverEvent) => {
-        if (!over?.id) return;
+        if (!over) return;
+        const activeId = active.id as string | number;
 
-        const activeDealId = Number(active.id);
+        if (typeof activeId === "string" && activeId.endsWith("-status")) {
+            handleColumnDragOver(activeId, over);
+        } else {
+            handleDealDragOver(activeId, over);
+        }
+    };
+
+    const handleDealDragOver = (activeId: string | number, over: Over) => {
+        const activeDealId = Number(activeId);
         const activeStatusId = getStatusByDealId(activeDealId)?.id;
         if (!activeStatusId) return;
 
@@ -85,6 +114,32 @@ const StatusColumnsDnd: FC<Props> = props => {
         );
     };
 
+    const handleColumnDragOver = (activeId: string, over: Over) => {
+        const activeStatusId = Number(activeId.replace("-status", ""));
+        let overStatusId: number;
+
+        if (typeof over.id === "string" && over.id.endsWith("-status")) {
+            overStatusId = Number(over.id.replace("-status", ""));
+        } else {
+            const deal = deals.find(deal => deal.id === over.id);
+            if (!deal) return;
+            overStatusId = deal.statusId;
+        }
+
+        if (!overStatusId || activeStatusId === overStatusId) return;
+
+        const newRank = getNewStatusRank(activeStatusId, overStatusId);
+        if (!newRank) return;
+
+        setStatuses(statuses =>
+            statuses.map(status =>
+                status.id === activeStatusId
+                    ? { ...status, rank: newRank }
+                    : status
+            )
+        );
+    };
+
     const getDropTarget = (
         overId: string | number,
         activeDealId: number,
@@ -164,11 +219,68 @@ const StatusColumnsDnd: FC<Props> = props => {
         return getNewLexorank(leftLexorank, rightLexorank).toString();
     };
 
+    const getNewStatusRank = (activeStatusId: number, overStatusId: number) => {
+        const sortedStatusList = sortByLexorank(statuses);
+        const overIndex = sortedStatusList.findIndex(
+            s => s.id === overStatusId
+        );
+        const activeIndex = sortedStatusList.findIndex(
+            s => s.id === activeStatusId
+        );
+
+        if (overIndex === -1 || activeIndex === -1) return null;
+
+        const [leftIndex, rightIndex] =
+            overIndex < activeIndex
+                ? [overIndex - 1, overIndex]
+                : [overIndex, overIndex + 1];
+
+        const leftLexorank =
+            leftIndex >= 0 ? LexoRank.parse(statuses[leftIndex].rank) : null;
+        const rightLexorank =
+            rightIndex < statuses.length
+                ? LexoRank.parse(statuses[rightIndex].rank)
+                : null;
+
+        return getNewLexorank(leftLexorank, rightLexorank).toString();
+    };
+
     const handleDragEnd = ({ active, over }: DragOverEvent) => {
         setActiveDeal(null);
-        if (!over?.id) return;
+        setActiveStatus(null);
+        if (!over) return;
 
-        const activeDealId = Number(active.id);
+        const activeId: string | number = active.id;
+
+        if (typeof activeId === "string" && activeId.endsWith("-status")) {
+            handleStatusColumnDragEnd(activeId, over);
+        } else {
+            handleDealDragEnd(activeId, over);
+        }
+    };
+
+    const handleStatusColumnDragEnd = (activeId: string, over: Over) => {
+        const activeStatusId = Number(activeId.replace("-status", ""));
+        let overStatusId: number;
+
+        if (typeof over.id === "string" && over.id.endsWith("-status")) {
+            overStatusId = Number(over.id.replace("-status", ""));
+        } else {
+            const deal = deals.find(deal => deal.statusId === over.id);
+            if (!deal) return;
+            overStatusId = deal.statusId;
+        }
+
+        if (!overStatusId || activeStatusId === overStatusId) return;
+
+        const newRank = getNewStatusRank(activeStatusId, overStatusId);
+        if (!newRank) return;
+
+        props.onStatusDragEnd?.(activeStatusId, newRank);
+    };
+
+    const handleDealDragEnd = (activeId: number | string, over: Over) => {
+        const activeDealId = Number(activeId);
         const activeStatusId = getStatusByDealId(activeDealId)?.id;
         if (!activeStatusId) return;
 
@@ -192,26 +304,47 @@ const StatusColumnsDnd: FC<Props> = props => {
                 onDragStart={handleDragStart}
                 onDragOver={handleDragOver}
                 onDragEnd={handleDragEnd}>
-                <Group
-                    gap={"xs"}
-                    wrap={"nowrap"}
-                    align={"start"}>
-                    {statuses.map(status => (
-                        <StatusColumn
-                            key={status.id}
-                            id={`${status.id}-status`}
-                            title={status.name}
-                            deals={deals.filter(
-                                deal => deal.statusId === status.id
-                            )}
-                        />
-                    ))}
-                    <DragOverlay dropAnimation={defaultDropAnimation}>
-                        <div style={{ cursor: "grabbing" }}>
-                            {activeDeal ? <DealCard deal={activeDeal} /> : null}
-                        </div>
-                    </DragOverlay>
-                </Group>
+                <SortableContext
+                    items={sortedStatuses.map(status => `${status.id}-status`)}
+                    strategy={horizontalListSortingStrategy}>
+                    <Group
+                        gap={"xs"}
+                        wrap={"nowrap"}
+                        align={"start"}>
+                        {sortedStatuses.map(status => (
+                            <SortableItem
+                                key={status.id}
+                                id={`${status.id}-status`}>
+                                <StatusColumn
+                                    id={`${status.id}-status`}
+                                    title={status.name}
+                                    deals={deals.filter(
+                                        deal => deal.statusId === status.id
+                                    )}
+                                    isDragging={activeStatus?.id === status.id}
+                                />
+                            </SortableItem>
+                        ))}
+                        <DragOverlay dropAnimation={defaultDropAnimation}>
+                            <div style={{ cursor: "grabbing" }}>
+                                {activeDeal ? (
+                                    <DealCard deal={activeDeal} />
+                                ) : activeStatus ? (
+                                    <StatusColumn
+                                        id={`${activeStatus.id}-status`}
+                                        title={activeStatus.name}
+                                        deals={deals.filter(
+                                            deal =>
+                                                deal.statusId ===
+                                                activeStatus.id
+                                        )}
+                                        isDragging
+                                    />
+                                ) : null}
+                            </div>
+                        </DragOverlay>
+                    </Group>
+                </SortableContext>
             </DndContext>
         </ScrollArea>
     );