Created
July 3, 2017 16:43
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| const initialState = { | |
| addedIds: [], | |
| quantityById: {}, | |
| kitById: {}, | |
| itemFormula: { | |
| byId: { | |
| 1: { | |
| id: 1, | |
| itemId: 1, | |
| formulas: [1, 2] | |
| }, | |
| 2: { | |
| id: 2, | |
| itemId: 1, | |
| formulas: [] | |
| } | |
| }, | |
| allIds: [1, 2] | |
| }, | |
| quantityByItemFormulaId: {} | |
| } | |
| const itemFormula = (state = initialState.itemFormula, action) => { | |
| switch (action.type) { | |
| case CART_ADD_ITEM: | |
| const idx = state.allIds.find(id => { | |
| let pivot = state.byId[id] | |
| return pivot.itemId === action.itemsId && | |
| isEqual(pivot.formulas, action.formulas.sort()) | |
| }) | |
| if (typeof idx !== 'undefined') { | |
| return state | |
| } | |
| const newId = state.allIds.slice(-1)[0] + 1 | |
| const byId = {...state.byId, [newId]: {}} | |
| const allIds = [...state.allIds, newId] | |
| return { ...state, byId: byId, allIds: allIds } | |
| case CART_DELETE_ITEM: | |
| return state.filter(itemId => action.itemId !== itemId ) | |
| default: | |
| return state | |
| } | |
| } |
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