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import * as types from 'app/types'
import { getOrderedIds, getOrderedIdsFromLookup } from 'app/utils'
import { session } from 'app/session'
export const crudState = (type, options) => ({
index: {},
show: {},
create: {},
update: {},
destroy: {},
lookup: [],
...options,
})
export const crudReducer = (type) => {
const crud_type = types[type]
return (state, action) => {
switch (action.type) {
// index
case crud_type.index_loading:
return {
...state,
index: action.load_more
? { ...state.index, loading: true }
: { loading: true },
}
case crud_type.index:
if (action.data.res.length) {
return {
...state,
index: {
lookup: action.data.res.reduce((a, b) => { a[b.id] = b; return a }, action.load_more ? state.index.lookup : {}),
order: getOrderedIds(action.data.res, state.options.sort, action.load_more ? state.index.order : []),
},
}
} else {
Object.keys(action.data.res).forEach(key => {
const el = action.data.res[key]
el.key = key
el.id = el.id || key
})
return {
...state,
index: {
lookup: action.data.res,
order: getOrderedIdsFromLookup(action.data.res, state.options.sort),
},
}
}
case crud_type.index_error:
return {
...state,
index: { loading: false, error: true },
}
case crud_type.index_sort:
return {
...state,
index: {
...state.index,
order: action.data.res.map(b => b.id),
},
}
// show
case crud_type.show_loading:
return {
...state,
show: { loading: true },
}
case crud_type.show:
if (!action.data) {
return {
...state,
show: { not_found: true },
}
}
return {
...state,
show: action.data,
}
case crud_type.show_error:
return {
...state,
show: { loading: false, error: true },
}
//
// create
case crud_type.create_loading:
return {
...state,
create: { loading: true },
}
case crud_type.create:
return {
...state,
create: action.data,
index: addToIndex(state.index, action.data.res, state.options.sort),
}
case crud_type.create_error:
return {
...state,
create: action.data,
}
//
// update
case crud_type.update_loading:
return {
...state,
update: { loading: true },
}
case crud_type.update:
return {
...state,
update: action.data,
index: addToIndex(state.index, action.data.res, state.options.sort),
show: (state.show.res && state.show.res.id === action.data.res.id) ? {
res: {
...state.show.res,
...action.data.res,
}
} : state.show
}
case crud_type.update_error:
return {
...state,
update: { loading: false, error: true },
}
//
// destroy
case crud_type.destroy_loading:
return {
...state,
destroy: { loading: true },
}
case crud_type.destroy:
return {
...state,
index: {
...(() => {
if (!state.index.lookup) {
return {}
}
delete state.index.lookup[action.data.id]
const _id = parseInt(action.data.id)
state.index.order = state.index.order.filter(id => id !== _id)
return { ...state.index }
})()
},
destroy: { loading: false },
}
case crud_type.destroy_error:
return {
...state,
destroy: { error: true },
}
//
// options
case crud_type.update_option:
session.set(type + "." + action.key, action.value)
return {
...state,
options: {
...state.options,
[action.key]: action.value,
}
}
case crud_type.update_options:
session.setAll(
Object.keys(action.opt).reduce((a,b) => { a[type + '.' + b] = action.opt[b]; return a }, {})
)
return {
...state,
options: {
...action.opt,
}
}
default:
return state
}
}
}
const addToIndex = (index, data, sort) => {
const lookup = (index && index.lookup) ? {
...index.lookup,
} : {}
lookup[data.id] = data
const order = getOrderedIdsFromLookup(lookup, sort)
return { lookup, order }
}
|
