- implement camera zoom controls and state management

src/app/providers/CameraFeedProvider.tsx

@@ -3,9 +3,14 @@ import { CameraFeedContext } from "../context/CameraFeedContext";
 import { initialState, reducer } from "../reducers/cameraFeedReducer";
 import { useBlackBoard } from "../../hooks/useBlackBoard";
 import type { CameraFeedState } from "../../types/types";
+import { useCameraZoom } from "../../features/cameras/hooks/useCameraZoom";
 
 export const CameraFeedProvider = ({ children }: { children: ReactNode }) => {
   const { blackboardMutation } = useBlackBoard();
+  const { cameraZoomQuery: cameraZoomQueryA } = useCameraZoom("A");
+  const { cameraZoomQuery: cameraZoomQueryB } = useCameraZoom("B");
+  const { cameraZoomQuery: cameraZoomQueryC } = useCameraZoom("C");
+
   const [state, dispatch] = useReducer(reducer, initialState);
 
   useEffect(() => {
@@ -29,5 +34,42 @@ export const CameraFeedProvider = ({ children }: { children: ReactNode }) => {
     fetchBlackBoardData();
   }, []);
 
+  useEffect(() => {
+    const fetchZoomLevels = async () => {
+      const [resultA, resultB, resultC] = await Promise.all([
+        cameraZoomQueryA.refetch(),
+        cameraZoomQueryB.refetch(),
+        cameraZoomQueryC.refetch(),
+      ]);
+
+      console.log(resultA?.data);
+      const zoomLevelAnumber = parseFloat(resultA.data?.propPhysCurrent?.value);
+      const zoomLevelBnumber = parseFloat(resultB.data?.propPhysCurrent?.value);
+      const zoomLevelCnumber = parseFloat(resultC.data?.propPhysCurrent?.value);
+
+      if (resultA.data) {
+        dispatch({
+          type: "SET_ZOOM_LEVEL",
+          payload: { cameraFeedID: "A", zoomLevel: zoomLevelAnumber },
+        });
+      }
+
+      if (resultB.data) {
+        dispatch({
+          type: "SET_ZOOM_LEVEL",
+          payload: { cameraFeedID: "B", zoomLevel: zoomLevelBnumber },
+        });
+      }
+
+      if (resultC.data) {
+        dispatch({
+          type: "SET_ZOOM_LEVEL",
+          payload: { cameraFeedID: "C", zoomLevel: zoomLevelCnumber },
+        });
+      }
+    };
+    fetchZoomLevels();
+  }, []);
+
   return <CameraFeedContext.Provider value={{ state, dispatch }}>{children}</CameraFeedContext.Provider>;
 };

src/app/reducers/cameraFeedReducer.ts

@@ -37,6 +37,11 @@ export const initialState: CameraFeedState = {
     B: "painter",
     C: "painter",
   },
+  zoomLevel: {
+    A: 1,
+    B: 1,
+    C: 1,
+  },
 };
 
 export function reducer(state: CameraFeedState, action: CameraFeedAction) {
@@ -106,7 +111,14 @@ export function reducer(state: CameraFeedState, action: CameraFeedAction) {
       return {
         ...initialState,
       };
-
+    case "SET_ZOOM_LEVEL":
+      return {
+        ...state,
+        zoomLevel: {
+          ...state.zoomLevel,
+          [action.payload.cameraFeedID]: action.payload.zoomLevel,
+        },
+      };
     default:
       return state;
   }

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

@@ -2,6 +2,7 @@ import { Tabs, Tab, TabList, TabPanel } from "react-tabs";
 import { useEffect } from "react";
 import { useCameraFeedContext } from "../../../../app/context/CameraFeedContext";
 import RegionSelector from "./RegionSelector";
+import CameraControls from "./cameraControls/CameraControls";
 
 type CameraPanelProps = {
   tabIndex: number;
@@ -54,10 +55,7 @@ const CameraPanel = ({ tabIndex, isResetAllModalOpen, handleClose, setIsResetMod
         />
       </TabPanel>
       <TabPanel>
-        <div className="p-4">
-          <h2 className="text-lg font-semibold mb-4">Camera Controls</h2>
-          <p>Controls for camera {cameraFeedID} will go here.</p>
-        </div>
+        <CameraControls cameraFeedID={cameraFeedID} />
       </TabPanel>
     </Tabs>
   );

src/features/cameras/components/CameraSettings/cameraControls/CameraControls.tsx

@@ -0,0 +1,42 @@
+import { useCameraFeedContext } from "../../../../../app/context/CameraFeedContext";
+import SliderComponent from "../../../../../ui/SliderComponent";
+import { useCameraZoom } from "../../../hooks/useCameraZoom";
+import { useDebouncedCallback } from "use-debounce";
+
+type CameraControlsProps = {
+  cameraFeedID: "A" | "B" | "C";
+};
+
+const CameraControls = ({ cameraFeedID }: CameraControlsProps) => {
+  const { state, dispatch } = useCameraFeedContext();
+  const { cameraZoomMutation } = useCameraZoom(cameraFeedID);
+
+  const zoomLevel = state.zoomLevel ? state.zoomLevel[cameraFeedID] : 1;
+  const debouncedMutation = useDebouncedCallback(async (value) => {
+    await cameraZoomMutation.mutateAsync({
+      cameraFeedID,
+      zoomLevel: value as number,
+    });
+  }, 1000);
+
+  const handleChange = (value: number | number[]) => {
+    const newZoom = value as number;
+    dispatch({
+      type: "SET_ZOOM_LEVEL",
+      payload: { cameraFeedID: cameraFeedID, zoomLevel: value as number },
+    });
+    debouncedMutation(newZoom);
+  };
+
+  return (
+    <div className="p-2 border border-gray-600 rounded-lg flex flex-col w-full">
+      <h2 className="text-2xl mb-4">Camera {cameraFeedID}</h2>
+      <div className="w-[70%] ">
+        <label htmlFor="zoom">Zoom {zoomLevel} </label>
+        <SliderComponent id="zoom" onChange={handleChange} value={zoomLevel} min={1} max={3} step={0.1} />
+      </div>
+    </div>
+  );
+};
+
+export default CameraControls;

src/features/cameras/hooks/useCameraZoom.ts

@@ -0,0 +1,48 @@
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { CAMBASE } from "../../../utils/config";
+import type { CameraZoomConfig } from "../../../types/types";
+
+const fetchZoomLevel = async (cameraFeedID: string) => {
+  const response = await fetch(`${CAMBASE}/api/fetch-config?id=Camera${cameraFeedID}-onvif-controller`);
+  if (!response.ok) {
+    throw new Error("Network response was not ok");
+  }
+  return response.json();
+};
+
+const postZoomLevel = async (zoomConfig: CameraZoomConfig) => {
+  const fields = [
+    { property: "propPhysCurrent", value: zoomConfig.zoomLevel },
+    { property: "propCameraHost", value: "192.168.0.101" },
+    { property: "propCameraPort", value: 80 },
+    { property: "propCameraUsername", value: "administrator" },
+    { property: "propCameraPassword", value: "MAV12345" },
+  ];
+  const zoomPayload = {
+    id: `Camera${zoomConfig.cameraFeedID}-onvif-controller`,
+    fields,
+  };
+  console.log(zoomPayload);
+  const response = await fetch(`${CAMBASE}/api/update-config`, {
+    method: "POST",
+    body: JSON.stringify(zoomPayload),
+  });
+
+  if (!response.ok) {
+    throw new Error("Network response was not ok");
+  }
+  return response.json();
+};
+
+export const useCameraZoom = (cameraFeedID: "A" | "B" | "C") => {
+  const cameraZoomQuery = useQuery({
+    queryKey: ["cameraZoom", cameraFeedID],
+    queryFn: () => fetchZoomLevel(cameraFeedID),
+  });
+
+  const cameraZoomMutation = useMutation({
+    mutationKey: ["postCameraZoom"],
+    mutationFn: (zoomConfig: CameraZoomConfig) => postZoomLevel(zoomConfig),
+  });
+  return { cameraZoomQuery, cameraZoomMutation };
+};

src/types/types.ts

@@ -143,6 +143,11 @@ export type CameraFeedState = {
   };
 
   tabIndex?: number;
+  zoomLevel: {
+    A: number;
+    B: number;
+    C: number;
+  };
 };
 
 export type CameraFeedAction =
@@ -177,6 +182,10 @@ export type CameraFeedAction =
     }
   | {
       type: "RESET_CAMERA_FEED";
+    }
+  | {
+      type: "SET_ZOOM_LEVEL";
+      payload: { cameraFeedID: "A" | "B" | "C"; zoomLevel: number };
     };
 
 export type DecodeReading = {
@@ -227,3 +236,5 @@ export type BlackBoardOptions = {
   path?: string;
   value?: object | string | number | (string | number)[] | null;
 };
+
+export type CameraZoomConfig = { cameraFeedID: string; zoomLevel: number };

src/ui/SliderComponent.tsx

@@ -0,0 +1,24 @@
+import Slider from "rc-slider";
+import "rc-slider/assets/index.css";
+
+type SliderComponentProps = {
+  id: string;
+  onChange: (value: number | number[]) => void;
+  value?: number;
+  min?: number;
+  max?: number;
+  step?: number;
+};
+
+const SliderComponent = ({ id, onChange, value = 0, min = 0, max = 100, step = 1 }: SliderComponentProps) => {
+  const handleChange = (val: number | number[]) => {
+    onChange(val);
+  };
+  return (
+    <>
+      <Slider id={id} onChange={handleChange} value={value} min={min} max={max} step={step} />
+    </>
+  );
+};
+
+export default SliderComponent;