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move useNavigationHelpers to its own file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| import { useCallback, useEffect } from 'react'; | ||
| import { useDispatch, useSelector } from 'react-redux'; | ||
| import { getNavigationInfo } from '../selectors/session'; | ||
| import { getSkipMap } from '../selectors/skip-logic'; | ||
| import { actionCreators as sessionActions } from '../ducks/modules/session'; | ||
| import useReadyForNextStage from '../hooks/useReadyForNextStage'; | ||
| import usePrevious from '~/hooks/usePrevious'; | ||
|
|
||
| export const useNavigationHelpers = ( | ||
| currentStage: number, | ||
| setCurrentStage: (stage: number) => void, | ||
| ) => { | ||
| const dispatch = useDispatch(); | ||
| const skipMap = useSelector(getSkipMap); | ||
|
|
||
| const { isReady: isReadyForNextStage } = useReadyForNextStage(); | ||
|
|
||
| const { | ||
| progress, | ||
| currentStep, | ||
| isLastPrompt, | ||
| isFirstPrompt, | ||
| isLastStage, | ||
| promptIndex, | ||
| canMoveBackward, | ||
| canMoveForward, | ||
| } = useSelector(getNavigationInfo); | ||
|
|
||
| // const prevStageIndex = usePrevious(currentStep); | ||
|
|
||
| const calculateNextStage = useCallback(() => { | ||
| const nextStage = Object.keys(skipMap).find( | ||
| (stage) => | ||
| parseInt(stage) > currentStage && skipMap[parseInt(stage)] === false, | ||
| ); | ||
|
|
||
| if (!nextStage) { | ||
| return currentStage; | ||
| } | ||
|
|
||
| return parseInt(nextStage); | ||
| }, [currentStage, skipMap]); | ||
|
|
||
| const calculatePreviousStage = useCallback(() => { | ||
| const previousStage = Object.keys(skipMap) | ||
| .reverse() | ||
| .find((stage) => parseInt(stage) < currentStage); | ||
|
|
||
| if (!previousStage) { | ||
| return currentStage; | ||
| } | ||
|
|
||
| return parseInt(previousStage); | ||
| }, [currentStage, skipMap]); | ||
|
|
||
| const validateCurrentStage = useCallback(() => { | ||
| if (!skipMap[currentStage] === false) { | ||
| const previousValidStage = calculatePreviousStage(); | ||
|
|
||
| if (previousValidStage) { | ||
| setCurrentStage(previousValidStage); | ||
| } | ||
| } | ||
| }, [calculatePreviousStage, setCurrentStage, currentStage, skipMap]); | ||
|
|
||
| const moveForward = useCallback(() => { | ||
| if (isLastPrompt) { | ||
| const nextStage = calculateNextStage(); | ||
| setCurrentStage(nextStage); | ||
| return; | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/ban-ts-comment | ||
| // @ts-ignore | ||
| dispatch(sessionActions.updatePrompt(promptIndex + 1)); | ||
| }, [ | ||
| dispatch, | ||
| isLastPrompt, | ||
| promptIndex, | ||
| calculateNextStage, | ||
| setCurrentStage, | ||
| ]); | ||
|
|
||
| // Move to the previous available stage in the interview based on the current stage and skip logic | ||
| const moveBackward = () => { | ||
| if (isFirstPrompt) { | ||
| const previousStage = calculatePreviousStage(); | ||
| setCurrentStage(previousStage); | ||
| return; | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/ban-ts-comment | ||
| // @ts-ignore | ||
| dispatch(sessionActions.updatePrompt(promptIndex - 1)); | ||
| }; | ||
|
|
||
| const prevCurrentStage = usePrevious(currentStage); | ||
|
|
||
| const needToDispatch = useCallback(() => { | ||
| if (currentStage === prevCurrentStage) { | ||
| return false; | ||
| } | ||
|
|
||
| if (currentStage === currentStep) { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| }, [currentStage, prevCurrentStage, currentStep]); | ||
|
|
||
| useEffect(() => { | ||
| if (!needToDispatch()) { | ||
| return; | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/ban-ts-comment | ||
| // @ts-ignore | ||
| dispatch(sessionActions.updateStage(currentStage)); | ||
| }, [currentStage, dispatch, needToDispatch]); | ||
|
|
||
| return { | ||
| progress, | ||
| isReadyForNextStage, | ||
| canMoveForward, | ||
| canMoveBackward, | ||
| moveForward, | ||
| moveBackward, | ||
| validateCurrentStage, | ||
| isFirstPrompt, | ||
| isLastPrompt, | ||
| isLastStage, | ||
| }; | ||
| }; |