1 import Immutable from 'immutable';

     2 import { ActionEnum } from '../constants'

     3 

     4 

     5 const getSessionMapSelector = actionVal => state =>

     6   state.get('sessions')

     7     .filter(s => s.get('action') === actionVal)

     8     .reduce(

     9       (res, obj) => {

    10         return res.set(obj.get('_id'), obj);

    11       },

    12       Immutable.Map()

    13     );

    14 

    15 const getNoteMapSelector = actionVal => state => {

    16   const deletedSessions = state.get('sessions')

    17     .filter(s => s.get('action') === ActionEnum.DELETED)

    18     .reduce(

    19       (res, obj) => {

    20         return res.set(obj.get('_id'), obj);

    21       },

    22       Immutable.Map()

    23     );

    24   return state.get('notes')

    25     .filter(n => (n.get('action') === actionVal && !deletedSessions.has(n.get('session'))))

    26     .reduce(

    27       (res, obj) => {

    28         return res.set(obj.get('_id'), obj);

    29       },

    30       Immutable.Map()

    31     );

    32 }

    33 

    34 

    35 export const getUpdatedSessions = getSessionMapSelector(ActionEnum.UPDATED);

    36 

    37 export const getCreatedSessions = getSessionMapSelector(ActionEnum.CREATED);

    38 

    39 export const getDeletedSessions = getSessionMapSelector(ActionEnum.DELETED);

    40 

    41 export const getUpdatedNotes = getNoteMapSelector(ActionEnum.UPDATED);

    42 

    43 export const getCreatedNotes = getNoteMapSelector(ActionEnum.CREATED);

    44 

    45 export const getDeletedNotes = getNoteMapSelector(ActionEnum.DELETED);