forked from rc/aircox
120 lines
3.3 KiB
JavaScript
120 lines
3.3 KiB
JavaScript
import Vue from 'vue';
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function getCookie(name) {
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if(document.cookie && document.cookie !== '') {
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const cookie = document.cookie.split(';')
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.find(c => c.trim().startsWith(name + '='))
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return cookie ? decodeURIComponent(cookie.split('=')[1]) : null;
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}
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return null;
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}
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var csrfToken = null;
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export function getCsrf() {
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if(csrfToken === null)
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csrfToken = getCookie('csrftoken')
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return csrfToken;
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}
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// TODO: move in another module for reuse
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// TODO: prevent duplicate simple fetch
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export default class Model {
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constructor(data, {url=null}={}) {
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this.commit(data);
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}
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static getId(data) {
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return data.id;
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}
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static getOptions(options) {
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return {
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headers: {
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'Content-Type': 'application/json',
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'Accept': 'application/json',
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'X-CSRFToken': getCsrf(),
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},
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...options,
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}
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}
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static fetch(url, options=null, initArgs=null) {
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options = this.getOptions(options)
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return fetch(url, options)
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.then(response => response.json())
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.then(data => new this(d, {url: url, ...initArgs}));
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}
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static fetchAll(url, options=null, initArgs=null) {
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options = this.getOptions(options)
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return fetch(url, options)
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.then(response => response.json())
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.then(data => {
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if(!(data instanceof Array))
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data = data.results;
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data = data.map(d => new this(d, {baseUrl: url, ...initArgs}));
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return data
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})
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}
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/**
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* Fetch data from server.
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*/
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fetch(options) {
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options = this.constructor.getOptions(options)
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return fetch(this.url, options)
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.then(response => response.json())
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.then(data => this.commit(data));
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}
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/**
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* Call API action on object.
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*/
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action(path, options, commit=false) {
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options = this.constructor.getOptions(options)
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const promise = fetch(this.url + path, options);
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return commit ? promise.then(data => data.json())
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.then(data => { this.commit(data); this.data })
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: promise;
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}
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/**
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* Update instance's data with provided data. Return None
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*/
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commit(data) {
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this.id = this.constructor.getId(data);
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this.url = data.url_;
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Vue.set(this, 'data', data);
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}
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/**
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* Return data as model with url prepent by `this.url`.
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*/
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asChild(model, data, prefix='') {
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return new model(data, {baseUrl: `${this.url}${prefix}/`})
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}
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getChildOf(attr, id) {
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const index = this.data[attr].findIndex(o => o.id = id)
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return index == -1 ? null : this.data[attr][index];
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}
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static updateList(list=[], old=[], ...initArgs) {
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return list.reduce((items, data) => {
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const id = this.getId(data);
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let [index, obj] = [old.findIndex(o => o.id == id), null];
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if(index != -1) {
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old[index].commit(data)
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items.push(old[index]);
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}
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else
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items.push(new this(data, ...initArgs))
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return items;
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}, [])
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}
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}
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