Files
liberama/client/store/modules/reader.js
2019-01-26 01:47:11 +07:00

72 lines
1.5 KiB
JavaScript

import Vue from 'vue';
// initial state
const state = {
toolBarActive: true,
openedBook: {},
};
// getters
const getters = {
lastOpenedBook: (state) => {
let max = 0;
let result = null;
for (let bookKey in state.openedBook) {
const book = state.openedBook[bookKey];
if (book.touchTime > max) {
max = book.touchTime;
result = book;
}
}
return result;
},
};
// actions
const actions = {};
function delBook(state, value) {
Vue.delete(state.openedBook, value.key);
}
function cleanBooks(state) {
if (Object.keys(state.openedBook).length > 100) {
let min = Date.now();
let found = null;
for (let bookKey in state.openedBook) {
const book = state.openedBook[bookKey];
if (book.touchTime < min) {
min = book.touchTime;
found = book;
}
}
if (found) {
delBook(found);
cleanBooks(state);
}
}
}
// mutations
const mutations = {
setToolBarActive(state, value) {
state.toolBarActive = value;
},
setOpenedBook(state, value) {
Vue.set(state.openedBook, value.key, Object.assign({}, value, {touchTime: Date.now()}));
cleanBooks(state);
},
delOpenedBook(state, value) {
delBook(state, value);
}
};
export default {
namespaced: true,
state,
getters,
actions,
mutations
};