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: / var / canvas / node_modules / @canvas / planner / actions /
Filename : saga-actions.js
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/*
 * Copyright (C) 2017 - present Instructure, Inc.
 *
 * This file is part of Canvas.
 *
 * Canvas is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, version 3 of the License.
 *
 * Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import * as LA from './loading-actions'
import {anyNewActivityDays, didWeFindToday, didWeFindWeekEnd} from '../utilities/statusUtils'
import {itemsToDays} from '../utilities/daysUtils'

export const mergeFutureItems = (newFutureItems, response) => (dispatch, getState) => {
  dispatch(LA.gotPartialFutureDays(itemsToDays(newFutureItems), response))
  const state = getState()
  const completeDays = extractCompleteDays(
    state.loading.partialFutureDays,
    state.loading.allFutureItemsLoaded,
    'asc'
  )
  return mergeCompleteDays(completeDays, dispatch, state.loading.allFutureItemsLoaded, response)
}

export const mergePastItems = (newPastItems, response) => (dispatch, getState) => {
  dispatch(LA.gotPartialPastDays(itemsToDays(newPastItems), response))
  const state = getState()
  const completeDays = extractCompleteDays(
    state.loading.partialPastDays,
    state.loading.allPastItemsLoaded,
    'desc'
  )
  return mergeCompleteDays(completeDays, dispatch, state.loading.allPastItemsLoaded, response)
}

function mergePastItemsFor(foundPredicate, newPastItems, response, dispatch, getState) {
  dispatch(LA.gotPartialPastDays(itemsToDays(newPastItems), response))
  const state = getState()
  const completeDays = extractCompleteDays(
    state.loading.partialPastDays,
    state.loading.allPastItemsLoaded,
    'desc'
  )
  if (foundPredicate(completeDays) || state.loading.allPastItemsLoaded) {
    return mergeCompleteDays(completeDays, dispatch, state.loading.allPastItemsLoaded, response)
  }
  return false
}

export const mergePastItemsForNewActivity = (newPastItems, response) => (dispatch, getState) => {
  return mergePastItemsFor(anyNewActivityDays, newPastItems, response, dispatch, getState)
}

export const mergePastItemsForToday = (newPastItems, response) => (dispatch, getState) => {
  return mergePastItemsFor(didWeFindToday, newPastItems, response, dispatch, getState)
}

export const mergeWeekItems =
  (weekStart, isPreload = false) =>
  (newWeekItems, response) =>
  (dispatch, getState) => {
    dispatch(LA.gotPartialWeekDays(itemsToDays(newWeekItems), response))
    const state = getState()
    weekStart = weekStart || state.weeklyDashboard.weekStart
    const completeDays = extractCompleteDays(
      state.loading.partialWeekDays,
      state.loading.allWeekItemsLoaded,
      'asc'
    )
    const initialWeeklyLoad = state.loading.isLoading // only true on initial page load
    if (
      state.loading.allWeekItemsLoaded ||
      didWeFindWeekEnd(completeDays, state.weeklyDashboard.weekEnd)
    ) {
      const r = mergeCompleteDays(
        completeDays,
        dispatch,
        state.loading.allWeekItemsLoaded,
        response
      )
      if (r) {
        dispatch(LA.weekLoaded({weekDays: completeDays, weekStart, initialWeeklyLoad, isPreload}))
      }
      return r
    }
    return false
  }

export const consumePeekIntoPast = (newPastItems, _response) => (dispatch, _getState) => {
  const hasSomeItems = newPastItems.length > 0
  dispatch(LA.peekedIntoPast({hasSomeItems}))
  return true
}

function mergeCompleteDays(completeDays, dispatch, allItemsLoaded, response) {
  if (completeDays.length || allItemsLoaded) {
    dispatch(LA.gotDaysSuccess(completeDays, response))
    return true
  }
  return false
}

function extractCompleteDays(daysArray, everythingCompleted, direction) {
  const partialDays = daysArray.slice()
  if (direction === 'desc') partialDays.reverse()
  if (everythingCompleted) return partialDays
  const completeDays = partialDays.slice(0, -1)
  return completeDays
}