125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
const Model = require('objection').Model
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const path = require('path')
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const fs = require('fs-extra')
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const _ = require('lodash')
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const yaml = require('js-yaml')
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const commonHelper = require('../helpers/common')
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/* global WIKI */
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let targets = []
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/**
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* Storage model
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*/
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module.exports = class Storage extends Model {
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static get tableName() { return 'storage' }
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static get idColumn() { return 'key' }
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static get jsonSchema () {
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return {
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type: 'object',
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required: ['key', 'isEnabled'],
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properties: {
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key: {type: 'string'},
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isEnabled: {type: 'boolean'},
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mode: {type: 'string'},
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config: {type: 'object'}
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}
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}
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}
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static async getTargets() {
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return WIKI.models.storage.query()
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}
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static async refreshTargetsFromDisk() {
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let trx
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try {
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const dbTargets = await WIKI.models.storage.query()
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// -> Fetch definitions from disk
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const storageDirs = await fs.readdir(path.join(WIKI.SERVERPATH, 'modules/storage'))
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let diskTargets = []
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for (let dir of storageDirs) {
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const def = await fs.readFile(path.join(WIKI.SERVERPATH, 'modules/storage', dir, 'definition.yml'), 'utf8')
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diskTargets.push(yaml.safeLoad(def))
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}
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WIKI.data.storage = diskTargets.map(target => ({
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...target,
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isAvailable: _.get(target, 'isAvailable', false),
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props: commonHelper.parseModuleProps(target.props)
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}))
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// -> Insert new targets
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let newTargets = []
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for (let target of WIKI.data.storage) {
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if (!_.some(dbTargets, ['key', target.key])) {
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newTargets.push({
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key: target.key,
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isEnabled: false,
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mode: target.defaultMode || 'push',
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config: _.transform(target.props, (result, value, key) => {
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_.set(result, key, value.default)
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return result
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}, {})
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})
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} else {
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const targetConfig = _.get(_.find(dbTargets, ['key', target.key]), 'config', {})
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await WIKI.models.storage.query().patch({
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config: _.transform(target.props, (result, value, key) => {
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if (!_.has(result, key)) {
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_.set(result, key, value.default)
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}
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return result
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}, targetConfig)
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}).where('key', target.key)
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}
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}
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if (newTargets.length > 0) {
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trx = await WIKI.models.Objection.transaction.start(WIKI.models.knex)
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for (let target of newTargets) {
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await WIKI.models.storage.query(trx).insert(target)
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}
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await trx.commit()
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WIKI.logger.info(`Loaded ${newTargets.length} new storage targets: [ OK ]`)
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} else {
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WIKI.logger.info(`No new storage targets found: [ SKIPPED ]`)
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}
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} catch (err) {
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WIKI.logger.error(`Failed to scan or load new storage providers: [ FAILED ]`)
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WIKI.logger.error(err)
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if (trx) {
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trx.rollback()
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}
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}
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}
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static async initTargets() {
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targets = await WIKI.models.storage.query().where('isEnabled', true)
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try {
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for(let target of targets) {
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target.fn = require(`../modules/storage/${target.key}/storage`)
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target.fn.config = target.config
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target.fn.mode = target.mode
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await target.fn.init()
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}
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} catch (err) {
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WIKI.logger.warn(err)
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throw err
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}
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}
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static async pageEvent({ event, page }) {
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try {
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for(let target of targets) {
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await target.fn[event](page)
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}
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} catch (err) {
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WIKI.logger.warn(err)
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throw err
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}
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}
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}
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