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path: root/frontend/src/reducers/objects.js
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import { combineReducers } from 'redux'
import {
    ADD_ID_TO_STORE_OBJECT_LIST_PROP,
    ADD_PROP_TO_STORE_OBJECT,
    ADD_TO_STORE,
    REMOVE_ID_FROM_STORE_OBJECT_LIST_PROP,
} from '../actions/objects'
import { CPU_UNITS, GPU_UNITS, MEMORY_UNITS, STORAGE_UNITS } from '../util/unit-specifications'

export const objects = combineReducers({
    project: object('project'),
    user: object('user'),
    authorization: objectWithId('authorization', (object) => [object.userId, object.projectId]),
    cpu: object('cpu', CPU_UNITS),
    gpu: object('gpu', GPU_UNITS),
    memory: object('memory', MEMORY_UNITS),
    storage: object('storage', STORAGE_UNITS),
    machine: object('machine'),
    rack: object('rack'),
    tile: object('tile'),
    room: object('room'),
    topology: object('topology'),
    trace: object('trace'),
    scheduler: object('scheduler'),
    portfolio: object('portfolio'),
    scenario: object('scenario'),
})

function object(type, defaultState = {}) {
    return objectWithId(type, (object) => object._id, defaultState)
}

function objectWithId(type, getId, defaultState = {}) {
    return (state = defaultState, action) => {
        if (action.objectType !== type) {
            return state
        }

        if (action.type === ADD_TO_STORE) {
            return Object.assign({}, state, {
                [getId(action.object)]: action.object,
            })
        } else if (action.type === ADD_PROP_TO_STORE_OBJECT) {
            return Object.assign({}, state, {
                [action.objectId]: Object.assign({}, state[action.objectId], action.propObject),
            })
        } else if (action.type === ADD_ID_TO_STORE_OBJECT_LIST_PROP) {
            return Object.assign({}, state, {
                [action.objectId]: Object.assign({}, state[action.objectId], {
                    [action.propName]: [...state[action.objectId][action.propName], action.id],
                }),
            })
        } else if (action.type === REMOVE_ID_FROM_STORE_OBJECT_LIST_PROP) {
            return Object.assign({}, state, {
                [action.objectId]: Object.assign({}, state[action.objectId], {
                    [action.propName]: state[action.objectId][action.propName].filter((id) => id !== action.id),
                }),
            })
        }

        return state
    }
}