occ-mobile/app/models/common/theme.js

import { createAction, NavigationActions } from '../../utils'
import * as authService from '../../services/auth'
import Theme from '../../containers/common/theme/config'
import deviceStorage from '../../utils/storage'

export default {
  namespace: 'theme',
  state: {
    appTheme: '',
  },

  reducers: {
    // updateState(state, { payload }) {
    //   return { ...state, ...payload };
    // }
    updateState(state, { payload }) {
      return { ...state, ...payload }
    },
  },

  effects: {
    *getTheme(action, { call, put }) {
      try {
        let getColor
        if (action && action.payload && action.payload.getColor) {
          getColor = action.payload.getColor
        } else {
          getColor = yield call(deviceStorage.get, 'themeColor')
          if (getColor) {
            getColor = getColor.describeText
          } else {
            getColor = 'white'
          }
        }
        const res = Theme.switchTheme(getColor)
        // Theme.currentMap = res;
        // Theme.currentTheme = action.map;
        deviceStorage.set('themeColor', res)
        yield put(createAction('updateState')({ appTheme: res }))
      } catch (error) {}
    },
  },

  subscriptions: {
    setup({ dispatch }) {
      dispatch({ type: 'getTheme' })
    },
  },
}