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import React, { createContext, useCallback } from 'react'
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import { useFetch } from '@hooks'
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export const PurposesContext = createContext()
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export default function PurposesProvider({ url, children }) {
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  const { data, isLoading: loading, mutate } = useFetch(url, { items: [] })
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  const { items: purposes, link_add, total } = data
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  const addPurpose = useCallback(
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    (newPurpose) => {
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      const newPurposes = [newPurpose, ...purposes]
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      mutate({ ...data, items: newPurposes })
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    },
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    [purposes, mutate]
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  )
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  const removePurpose = useCallback(
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    (purposeId) => {
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      const newPurposes = purposes.filter((purpose) => purpose.id !== purposeId)
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      mutate({ ...data, items: newPurposes })
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    },
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    [purposes, mutate]
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  )
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  const updatePurpose = useCallback(
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    (updatedPurpose) => {
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      const newPurposes = purposes.map((purpose) =>
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        purpose.id === updatedPurpose.id ? updatedPurpose : purpose
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      )
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      mutate({ ...data, items: newPurposes })
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    },
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    [purposes, mutate]
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  )
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  const getPurposeById = useCallback(
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    (purposeId) => purposes.find((purpose) => purpose.id === purposeId),
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    [purposes]
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  )
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  return (
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    <PurposesContext.Provider
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      value={{
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        loading,
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        purposes,
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        addUrl: link_add,
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        total,
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        addPurpose,
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        removePurpose,
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        updatePurpose,
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        getPurposeById
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      }}
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    >
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      {children}
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    </PurposesContext.Provider>
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  )
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}