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import/export: conversion to Promises/async

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NB1: needs additional review and testing - no abiword available on my test bed
NB2: in ImportHandler.js, directly delete the file, and handle the eventual
     error later: checking before for existence is prone to race conditions,
     and does not handle any errors anyway.
This commit is contained in:
Ray Bellis 2019-01-31 08:55:36 +00:00
parent 5192a0c498
commit 62345ac8f7
8 changed files with 379 additions and 570 deletions
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93
src/node/utils/ExportEtherpad.js
View file

@ -15,59 +15,48 @@
*/
var async = require("async");
var db = require("../db/DB").db;
var ERR = require("async-stacktrace");
const thenify = require("thenify").withCallback;
let db = require("../db/DB");
exports.getPadRaw = thenify(function(padId, callback){
async.waterfall([
function(cb){
db.get("pad:"+padId, cb);
},
function(padcontent,cb){
var records = ["pad:"+padId];
for (var i = 0; i <= padcontent.head; i++) {
records.push("pad:"+padId+":revs:" + i);
}
exports.getPadRaw = async function(padId) {
for (var i = 0; i <= padcontent.chatHead; i++) {
records.push("pad:"+padId+":chat:" + i);
}
let padKey = "pad:" + padId;
let padcontent = await db.get(padKey);
var data = {};
async.forEachSeries(Object.keys(records), function(key, r){
// For each piece of info about a pad.
db.get(records[key], function(err, entry){
data[records[key]] = entry;
// Get the Pad Authors
if(entry.pool && entry.pool.numToAttrib){
var authors = entry.pool.numToAttrib;
async.forEachSeries(Object.keys(authors), function(k, c){
if(authors[k][0] === "author"){
var authorId = authors[k][1];
// Get the author info
db.get("globalAuthor:"+authorId, function(e, authorEntry){
if(authorEntry && authorEntry.padIDs) authorEntry.padIDs = padId;
if(!e) data["globalAuthor:"+authorId] = authorEntry;
});
}
// console.log("authorsK", authors[k]);
c(null);
});
}
r(null); // callback;
});
}, function(err){
cb(err, data);
})
let records = [ padKey ];
for (let i = 0; i <= padcontent.head; i++) {
records.push(padKey + ":revs:" + i);
}
], function(err, data){
callback(null, data);
});
});
for (let i = 0; i <= padcontent.chatHead; i++) {
records.push(padKey + ":chat:" + i);
}
let data = {};
for (let key of records) {
// For each piece of info about a pad.
let entry = data[key] = await db.get(key);
// Get the Pad Authors
if (entry.pool && entry.pool.numToAttrib) {
let authors = entry.pool.numToAttrib;
for (let k of Object.keys(authors)) {
if (authors[k][0] === "author") {
let authorId = authors[k][1];
// Get the author info
let authorEntry = await db.get("globalAuthor:" + authorId);
if (authorEntry) {
data["globalAuthor:" + authorId] = authorEntry;
if (authorEntry.padIDs) {
authorEntry.padIDs = padId;
}
}
}
}
}
}
return data;
}