- added camera black board fetch and post

- region selector can save settings and painted regions and fetch on load

- will add reset all

src/app/providers/CameraFeedProvider.tsx

@@ -1,9 +1,33 @@
-import { useReducer, type ReactNode } from "react";
+import { useEffect, useReducer, type ReactNode } from "react";
 import { CameraFeedContext } from "../context/CameraFeedContext";
 import { initialState, reducer } from "../reducers/cameraFeedReducer";
+import { useBlackBoard } from "../../hooks/useBlackBoard";
+import type { CameraFeedState } from "../../types/types";
 
 export const CameraFeedProvider = ({ children }: { children: ReactNode }) => {
+  const { blackboardMutation } = useBlackBoard();
   const [state, dispatch] = useReducer(reducer, initialState);
 
+  useEffect(() => {
+    const fetchBlackBoardData = async () => {
+      const result = await blackboardMutation.mutateAsync({
+        operation: "VIEW",
+        path: "cameraFeed",
+      });
+      if (!result?.result || typeof result.result === "string") return;
+      const cameraFeedData: CameraFeedState = result.result;
+      const recontructedState = {
+        ...cameraFeedData,
+        paintedCells: {
+          A: new Map(cameraFeedData.paintedCells.A),
+          B: new Map(cameraFeedData.paintedCells.B),
+          C: new Map(cameraFeedData.paintedCells.C),
+        },
+      };
+      dispatch({ type: "SET_CAMERA_FEED_DATA", cameraState: recontructedState });
+    };
+    fetchBlackBoardData();
+  }, []);
+
   return <CameraFeedContext.Provider value={{ state, dispatch }}>{children}</CameraFeedContext.Provider>;
 };

src/app/reducers/cameraFeedReducer.ts

@@ -98,6 +98,14 @@ export function reducer(state: CameraFeedState, action: CameraFeedAction) {
           [state.cameraFeedID]: new Map<string, PaintedCell>(),
         },
       };
+    case "SET_CAMERA_FEED_DATA":
+      return {
+        ...action.cameraState,
+      };
+    case "RESET_CAMERA_FEED":
+      return {
+        ...initialState,
+      };
 
     default:
       return state;

src/features/cameras/components/CameraSettings/RegionSelector.tsx

@@ -2,6 +2,8 @@ import type { ColourData, PaintedCell, Region } from "../../../../types/types";
 import ColourPicker from "./ColourPicker";
 import { useCameraFeedContext } from "../../../../app/context/CameraFeedContext";
 import { useColourDectection } from "../../hooks/useColourDetection";
+import { useBlackBoard } from "../../../../hooks/useBlackBoard";
+import { toast } from "sonner";
 
 type RegionSelectorProps = {
   regions: Region[];
@@ -13,6 +15,7 @@ type RegionSelectorProps = {
 const RegionSelector = ({ regions, selectedRegionIndex, mode, cameraFeedID }: RegionSelectorProps) => {
   const { colourMutation } = useColourDectection();
   const { state, dispatch } = useCameraFeedContext();
+  const { blackboardMutation } = useBlackBoard();
   const paintedCells = state.paintedCells[cameraFeedID];
 
   const handleChange = (e: { target: { value: string } }) => {
@@ -58,6 +61,10 @@ const RegionSelector = ({ regions, selectedRegionIndex, mode, cameraFeedID }: Re
     });
   };
 
+  const handleResetAll = () => {
+    dispatch({ type: "RESET_CAMERA_FEED" });
+  };
+
   const handleSaveclick = () => {
     const regions: ColourData[] = [];
     const test = Array.from(paintedCells.entries());
@@ -103,12 +110,24 @@ const RegionSelector = ({ regions, selectedRegionIndex, mode, cameraFeedID }: Re
     }
 
     colourMutation.mutate({ cameraFeedID, regions: regions });
+
+    // Convert Map to plain object for blackboard
+    const serializableState = {
+      ...state,
+      paintedCells: {
+        A: Array.from(state.paintedCells.A.entries()),
+        B: Array.from(state.paintedCells.B.entries()),
+        C: Array.from(state.paintedCells.C.entries()),
+      },
+    };
+    blackboardMutation.mutate({ operation: "INSERT", path: `cameraFeed`, value: serializableState });
+    toast.success("Region data saved successfully!");
   };
 
   return (
     <div className="flex flex-col gap-4 max-h-[50%]">
       <div className="flex flex-col md:flex-row gap-3">
-        <div className="p-2 border border-gray-600 rounded-lg flex flex-col h-50 w-full">
+        <div className="p-2 border border-gray-600 rounded-lg flex flex-col h-[10%] w-full">
           <h2 className="text-2xl mb-2">Tools</h2>
           <div className="flex flex-col">
             <label
@@ -208,6 +227,12 @@ const RegionSelector = ({ regions, selectedRegionIndex, mode, cameraFeedID }: Re
           >
             Reset Region
           </button>
+          <button
+            onClick={handleResetAll}
+            className="mt-2 px-4 py-2 border border-red-600 rounded-md text-white bg-red-600 w-full md:w-full hover:bg-red-700 hover:cursor-pointer"
+          >
+            Reset All
+          </button>
         </div>
       </div>
     </div>

src/features/cameras/components/Video/VideoFeedGridPainter.tsx

@@ -16,7 +16,7 @@ const gap = 0;
 const VideoFeedGridPainter = () => {
   const { state } = useCameraFeedContext();
   const cameraFeedID = state.cameraFeedID;
-  const paintedCells = state.paintedCells[cameraFeedID];
+  const paintedCells = state?.paintedCells?.[cameraFeedID];
   const regions = state.regionsByCamera[cameraFeedID];
   const selectedRegionIndex = state.selectedRegionIndex;
   const mode = state.modeByCamera[cameraFeedID];
@@ -135,7 +135,8 @@ const VideoFeedGridPainter = () => {
           <Shape
             sceneFunc={(ctx, shape) => {
               const cells = paintedCells;
-              cells.forEach((cell, key) => {
+              if (!cells || cells.size === 0 || !paintLayerRef.current) return;
+              cells?.forEach((cell, key) => {
                 const [rowStr, colStr] = key.split("-");
                 const row = Number(rowStr);
                 const col = Number(colStr);

src/hooks/useBlackBoard.ts

@@ -0,0 +1,35 @@
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { CAMBASE } from "../utils/config";
+import type { BlackBoardOptions } from "../types/types";
+
+const fetchBlackBoardData = async () => {
+  const response = await fetch(`${CAMBASE}/api/blackboard`);
+  if (!response.ok) {
+    throw new Error("Failed to fetch blackboard data");
+  }
+  return response.json();
+};
+
+const viewBlackBoardData = async (options: BlackBoardOptions) => {
+  const response = await fetch(`${CAMBASE}/api/blackboard`, {
+    method: "POST",
+    body: JSON.stringify(options),
+  });
+  if (!response.ok) {
+    throw new Error("Failed to view blackboard data");
+  }
+  return response.json();
+};
+
+export const useBlackBoard = () => {
+  const blackboardQuery = useQuery({
+    queryKey: ["blackboardData"],
+    queryFn: fetchBlackBoardData,
+  });
+
+  const blackboardMutation = useMutation({
+    mutationKey: ["viewBlackBoardData"],
+    mutationFn: (options: BlackBoardOptions) => viewBlackBoardData(options),
+  });
+  return { blackboardQuery, blackboardMutation };
+};

src/types/types.ts

@@ -170,6 +170,13 @@ export type CameraFeedAction =
   | {
       type: "RESET_PAINTED_CELLS";
       payload: { cameraFeedID: "A" | "B" | "C"; paintedCells: Map<string, PaintedCell> };
+    }
+  | {
+      type: "SET_CAMERA_FEED_DATA";
+      cameraState: CameraFeedState;
+    }
+  | {
+      type: "RESET_CAMERA_FEED";
     };
 
 export type DecodeReading = {
@@ -214,3 +221,9 @@ export type CustomFieldConfig = {
   label: string;
   value: string;
 };
+
+export type BlackBoardOptions = {
+  operation?: string;
+  path?: string;
+  value?: object | string | number | (string | number)[] | null;
+};

src/ui/Card.tsx

@@ -10,7 +10,7 @@ const Card = ({ children, className }: CardProps) => {
   return (
     <div
       className={clsx(
-        "bg-[#253445] rounded-lg mt-4  shadow-2xl overflow-x-hidden md:row-span-1 px-2 border border-gray-600 ",
+        "bg-[#253445] rounded-lg mt-4 shadow-2xl overflow-x-hidden md:row-span-1 px-2 border border-gray-600 ",
         className,
       )}
     >