806 lines
18 KiB
JavaScript
806 lines
18 KiB
JavaScript
"use strict";
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/**
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* Created by Martin on 22/02/2016.
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*/
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var express = require('express');
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var http = require('http'), request = require('request'), cheerio = require(
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'cheerio'), util = require('util');
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var jsonfile = require('jsonfile'), fs = require('fs'), STRING = require(
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'string');
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var converter = require('html-to-markdown');
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var zlib = require("zlib");
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var log4js = require('log4js');
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var logger = log4js.getLogger();
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var URL = require('url');
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var router = express.Router();
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var EventEmitter = require('events');
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var nano = require('nano')('http://localhost:5984');
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var busEmitter = new EventEmitter();
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var db_name = 'keeper';
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var dbCouch = nano.use(db_name);
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var jsonFile = __dirname + '/' + 'output.json';
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var bodyfile = __dirname + '/' + 'body.html';
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var htmlfile = __dirname + '/' + 'testoutput.html';
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var generics = [
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'ARTICLE',
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'div.content_column',
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'div.post',
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'div.page',
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'#recipe-single',
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'div.content.body'
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];
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var specialHandlers = [{
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url: 'www.reddit.com', fn: function (body, url) {
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return doReddit(body, url);
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}
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},
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{
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url: 'developer.android.com', fn: function (body, url) {
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return doAndroidDeveloper(body, url);
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}
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},
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{
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url: 'www.engadget.com', fn: function (body, url) {
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return doEngadget(body, url);
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}
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}
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];
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function cleaner(b) {
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var _b = b;
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var unwanted = [
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'LINK',
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'META',
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'TITLE',
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'div#disqus_thread',
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'SCRIPT',
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'FOOTER',
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'div.ssba',
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'.shareaholic-canvas',
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'.yarpp-related',
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'div.dfad',
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'div.postFooterShare',
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'div#nextPrevLinks',
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'.post-comments',
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'HEADER',
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'.post-title',
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'#side-menu',
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'.footer-container',
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'#pre-footer',
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'#cakephp-global-navigation',
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'.masthead',
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'.breadcrumb-header',
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'.single-recipe-sidebar',
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'#recipe-related-videos',
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'#tnav',
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'.footer',
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'#tb-wrapper'
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];
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for (var i = 0; i < unwanted.length; i++) {
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_b.find(unwanted[i]).remove();
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}
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return _b;
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}
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function insertBookmark(obj) {
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logger.debug('Inserting into couch...');
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// logger.info(util.inspect(obj));
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dbCouch.insert(obj, function (err, body, header) {
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if (err) {
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logger.error('Error inserting into couch');
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return;
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}
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});
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logger.debug('Insert done..');
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}
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function updateBookmark(obj, _id, _rev) {
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logger.debug('Updating couch...');
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var _obj = obj;
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_obj._id = _id;
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_obj._rev = _rev;
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dbCouch.insert(_obj, function (err, body, header) {
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if (err) {
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logger.error('Error updating into couch');
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return;
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} else {
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logger.info('I think we updated ok...');
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busEmitter.emit("updateTagsDB");
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}
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});
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logger.debug('Update done..');
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}
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var doInsertBookmark = (obj) => {
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// logger.info('sendSocket: ' + JSON.stringify(obj));
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insertBookmark(obj);
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};
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var doUpdateBookmark = (obj, _id, _rev) => {
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// logger.info('sendSocket: ' + JSON.stringify(obj));
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updateBookmark(obj, _id, _rev);
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};
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var doGetBookmark = (obj) => {
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// logger.info('sendSocket: ' + JSON.stringify(obj));
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genericGrab(obj);
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};
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var doGetBookmarkRedo = (obj) => {
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// logger.info('sendSocket: ' + JSON.stringify(obj));
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genericGrab(obj);
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};
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var doGetBookmarkRes = (url, res) => {
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logger.debug('doGetBookmarkRes');
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// logger.info('sendSocket: ' + JSON.stringify(obj));
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genericGrab(url, res);
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};
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var doUpdateTagsDB = () => {
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logger.debug('Update the tags database...');
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dbCouch.view('getAllTags', 'getAllTags', function (err, body) {
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var masterList = [];
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if (!err) {
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body.rows.forEach(function (doc) {
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masterList = masterList.concat(doc.value);
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});
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masterList = masterList.filter((value, index, self) => {
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return self.indexOf(value) === index;
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});
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dbCouch.view('taglist', 'taglist', function (err, body) {
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// logger.debug(body);
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if (!err) {
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var outJSON = {};
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body.rows.forEach(function (doc) {
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doSaveTagsDB(doc.value, masterList);
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});
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}
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else {
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logger.error('NO TAG LIST EXISTS');
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}
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});
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}
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else {
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}
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});
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};
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var doSaveTagsDB = (orig, newList) => {
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logger.debug('doSaveTagsDB');
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var _obj = orig;
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_obj.taglist = newList;
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dbCouch.insert(_obj, function (err, body, header) {
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if (err) {
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logger.error('Error updating into couch');
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return;
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} else {
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logger.info('Updated the tags list...');
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}
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});
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};
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// Events
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busEmitter.on('saveBookmarkData', doInsertBookmark);
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busEmitter.on('updateBookmarkData', doUpdateBookmark);
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busEmitter.on('getBookmark', doGetBookmark);
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busEmitter.on('getBookmarkRes', doGetBookmarkRes);
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busEmitter.on('getBookmarkRedo', doGetBookmarkRedo);
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busEmitter.on('updateTagsDB', doUpdateTagsDB);
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busEmitter.on('saveTagsDB', doSaveTagsDB);
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function doEngadget(body, url)
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{
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logger.info('GRABBING Engadget');
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var obj = {}, tdihbody, i, urlObj, urlPrefix;
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var $ = cheerio.load(body);
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var title = $('TITLE').text();
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tdihbody = $('DIV#page_body');
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logger.debug('Length:' , tdihbody.length);
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tdihbody = cleaner(tdihbody);
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logger.debug('Title: ', title);
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urlObj = URL.parse(url);
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urlPrefix = urlObj.protocol + '//' + urlObj.host + '/';
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try {
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tdihbody.find('IMG').each(function (i, elem) {
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let s, src = $(this).attr("src");
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if (src !== null) {
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if (!STRING(src).startsWith('http')) {
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logger.debug('Stripping:' + src);
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src = urlPrefix + STRING(src).stripLeft('/').trim().s;
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}
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if (typeof obj.thumbnail === 'undefined') {
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obj.thumbnail = src;
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}
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s = 'http://image.silvrtree.co.uk/900,fit/' + src;
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$(this).attr("src", s);
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}
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});
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}
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catch (e) {
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logger.error(e);
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}
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obj.url = STRING(url).trim().s;
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obj.html = $.html();
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obj.reduced = STRING(tdihbody.html()).trim().s;
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obj.nib = STRING(tdihbody.text()).collapseWhitespace().trim().left(300).s;
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obj.title = STRING(title).collapseWhitespace().s;
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obj.markdown = converter.convert(obj.reduced);
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return obj;
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}
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function doAndroidDeveloper(body, url)
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{
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logger.info('GRABBING AndroidDeveloper');
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var obj = {}, tdihbody, i, urlObj, urlPrefix;
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var $ = cheerio.load(body);
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var title = $('TITLE').text();
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tdihbody = $('DIV.jd-descr');
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logger.debug(tdihbody.length);
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tdihbody = cleaner(tdihbody);
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logger.debug(title);
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urlObj = URL.parse(url);
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urlPrefix = urlObj.protocol + '//' + urlObj.host + '/';
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try {
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tdihbody.find('IMG').each(function (i, elem) {
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let s, src = $(this).attr("src");
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if (src !== null) {
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if (!STRING(src).startsWith('http')) {
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logger.debug('Stripping:' + src);
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src = urlPrefix + STRING(src).stripLeft('/').trim().s;
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}
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if (typeof obj.thumbnail === 'undefined') {
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obj.thumbnail = src;
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}
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s = 'http://image.silvrtree.co.uk/900,fit/' + src;
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$(this).attr("src", s);
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}
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});
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}
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catch (e) {
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logger.error(e);
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}
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obj.url = STRING(url).trim().s;
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obj.html = $.html();
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obj.reduced = STRING(tdihbody.html()).trim().s;
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obj.nib = STRING(tdihbody.text()).collapseWhitespace().trim().left(300).s;
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obj.title = STRING(title).collapseWhitespace().s;
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obj.markdown = converter.convert(obj.reduced);
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return obj;
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}
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function doReddit(body, url)
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{
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logger.info('GRABBING REDDIT');
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var obj = {}, tdihbody, i, urlObj, urlPrefix;
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var $ = cheerio.load(body);
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var title = $('TITLE').text();
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tdihbody = $('DIV.entry');
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tdihbody.find('A.thumbnail').each(function (i, elem) {
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logger.warn($(this));
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});
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logger.info('++++++');
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// logger.debug(tdihbody.html());
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logger.debug(tdihbody.length);
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tdihbody = cleaner(tdihbody);
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logger.debug(title);
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obj.url = STRING(url).trim().s;
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obj.html = $.html();
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obj.reduced = STRING(tdihbody.html()).trim().s;
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obj.nib = STRING(tdihbody.text()).collapseWhitespace().trim().left(300).s;
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obj.title = STRING(title).collapseWhitespace().s;
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obj.markdown = converter.convert(obj.reduced);
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return obj;
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}
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function genericProcessor(body, url) {
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logger.info('USING DEFAULT PROCESSOR');
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var obj = {}, tdihbody, i, urlObj, urlPrefix;
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var $ = cheerio.load(body);
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var title = $('TITLE').text();
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i = 0;
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while (($(generics[i]).length == 0) && (i < generics.length)) {
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i++;
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}
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logger.debug(i);
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if (i < generics.length) {
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logger.warn('Used a generic');
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tdihbody = $(generics[i]);
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logger.debug(tdihbody.length);
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tdihbody = cleaner(tdihbody);
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logger.debug(title);
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}
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else {
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logger.warn('Using whole body');
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// bah. nothing to reduce so just grab the body, tidy it and use that
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tdihbody = $('BODY');
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if (tdihbody.length === 0) {
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tdihbody = $(":root");
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}
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logger.debug(tdihbody.length);
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tdihbody = cleaner(tdihbody);
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logger.debug(title);
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}
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// logger.info(util.inspect(tdihbody));
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urlObj = URL.parse(url);
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urlPrefix = urlObj.protocol + '//' + urlObj.host + '/';
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try {
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tdihbody.find('IMG').each(function (i, elem) {
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let s, src = $(this).attr("src");
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console.log('!!!!' + src);
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if (src !== null && typeof src !== 'undefined') {
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if (!STRING(src).startsWith('http')) {
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logger.debug('Stripping:' + src);
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src = urlPrefix + STRING(src).stripLeft('/').trim().s;
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}
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if (typeof obj.thumbnail === 'undefined') {
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obj.thumbnail = src;
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}
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s = 'http://image.silvrtree.co.uk/900,fit/' + src;
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$(this).attr("src", s);
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}
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});
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}
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catch (e) {
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logger.error(e);
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}
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obj.url = STRING(url).trim().s;
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obj.html = $.html();
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obj.reduced = STRING(tdihbody.html()).trim().s;
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obj.nib = STRING(tdihbody.text()).collapseWhitespace().trim().left(300).s;
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obj.title = STRING(title).collapseWhitespace().s;
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obj.markdown = converter.convert(obj.reduced);
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return obj;
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}
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function processBody(body, url, _id, _rev) {
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var obj = {}, i, urlObj, urlPrefix;
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// try to find a body to grab
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urlObj = URL.parse(url);
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logger.debug('host:', urlObj.host);
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var flag;
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for (i=0;i<specialHandlers.length;i++)
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{
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if (urlObj.host === specialHandlers[i].url) {
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flag=true;
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obj = specialHandlers[i].fn(body,url);
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}
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}
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if (!flag) {
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// do generic processing
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obj = genericProcessor(body,url);
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}
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// logger.warn(obj.reduced);
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obj.host = urlObj.host;
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/* jsonfile.writeFile(jsonFile, obj, function (err) {
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console.error(err);
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});*/
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if (_id !== null) {
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busEmitter.emit("updateBookmarkData", obj, _id, _rev);
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}
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else {
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busEmitter.emit("saveBookmarkData", obj);
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}
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return obj;
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}
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function genericGrab(obj, res) {
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var url, _id = null, _ver = null;
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if (typeof obj === 'string') {
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logger.info(obj);
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url = obj;
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}
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else {
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url = obj.url;
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_id = obj._id || null;
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_ver = obj._rev || null;
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}
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logger.warn(typeof obj);
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logger.info(url);
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logger.info(_id);
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logger.info(_ver);
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var options = {
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url: url,
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headers: {
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'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36'
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},
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jar: true,
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followRedirect: true,
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followAllRedirects: true
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};
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request(options, function (err, resp, body) {
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if (err)
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throw err;
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if (resp.headers.hasOwnProperty('content-encoding')) {
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logger.warn('content-encoding');
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if (resp.headers['content-encoding'] == 'gzip') {
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// to test http://chaosinthekitchen.com/2009/07/lime-and-coconut-chicken/
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var gunzip = zlib.createGunzip();
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var jsonString = '';
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resp.pipe(gunzip);
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gunzip.on('data', function (chunk) {
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jsonString += chunk;
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});
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gunzip.on('end', function () {
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// console.log((jsonString));
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callback(JSON.stringify(jsonString));
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});
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gunzip.on('error', function (e) {
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console.log(e);
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});
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}
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else {
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var b = processBody(body, url, _id, _ver);
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if (res != null) {
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res.render('grabbed');
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}
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}
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}
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else {
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var b = processBody(body, url, _id, _ver);
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if (res != null) {
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res.render('grabbed', {data: b});
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}
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}
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});
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}
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router.get('/pocket', function (req, res) {
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logger.debug('list..');
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dbCouch.view('pocketList', 'pocketList', function (err, body) {
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if (!err) {
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var outJSON = [];
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body.rows.forEach(function (doc) {
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var obj = {id: doc.id, entry: doc.value};
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console.log(typeof obj.entry.tn);
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if (typeof obj.entry.tn === 'string') {
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console.log('its a string:', typeof obj.entry.tn)
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obj.entry.tn = 'http://image.silvrtree.co.uk/100,fit,q80/' + obj.entry.tn;
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}
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else {
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obj.entry.tn = 'gfx/fm.png';
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}
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outJSON.push(obj);
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});
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logger.debug(util.inspect(body));
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logger.info(util.inspect(outJSON));
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res.render('pocket', {data: outJSON});
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}
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else {
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|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
});
|
|
|
|
|
|
|
|
router.get('/list', function (req, res) {
|
|
logger.debug('list..');
|
|
|
|
dbCouch.view('titles', 'titles', function (err, body) {
|
|
if (!err) {
|
|
|
|
var outJSON = [];
|
|
body.rows.forEach(function (doc) {
|
|
outJSON.push({id: doc.id, title: doc.value});
|
|
});
|
|
|
|
//logger.debug(util.inspect(body));
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({list: outJSON}));
|
|
|
|
}
|
|
else {
|
|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
});
|
|
|
|
router.get('/entry/:id', function (req, res) {
|
|
logger.debug('entry..');
|
|
|
|
logger.debug(req.params.id);
|
|
|
|
dbCouch.get(req.params.id, function (err, body) {
|
|
if (!err) {
|
|
|
|
var outJSON = {};
|
|
outJSON._id = body._id;
|
|
outJSON._rev = body._rev;
|
|
outJSON.title = body.title;
|
|
outJSON.reduced = body.reduced;
|
|
outJSON.url = body.url;
|
|
outJSON.tags = body.tags || {solid: '', list: []};
|
|
|
|
//logger.debug(util.inspect(body));
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify(outJSON));
|
|
|
|
}
|
|
else {
|
|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
|
|
});
|
|
router.get('/tags', function (req, res) {
|
|
logger.debug('tag list..');
|
|
|
|
logger.debug(req.params.id);
|
|
|
|
dbCouch.view('taglist', 'taglist', function (err, body) {
|
|
if (!err) {
|
|
logger.debug(body);
|
|
var outJSON = [];
|
|
body.rows.forEach(function (doc) {
|
|
logger.info(doc.value.taglist);
|
|
if (doc.value[0] == req.params.id) {
|
|
outJSON = doc.value.taglist.sort();
|
|
}
|
|
});
|
|
|
|
//logger.debug(util.inspect(body));
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({list: outJSON}));
|
|
|
|
}
|
|
else {
|
|
logger.error(err);
|
|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
|
|
});
|
|
|
|
router.get('/tags/:id', function (req, res) {
|
|
logger.debug('entry..');
|
|
|
|
logger.debug(req.params.id);
|
|
|
|
dbCouch.view('getTagByKey', 'getTagByKey', function (err, body) {
|
|
if (!err) {
|
|
// logger.debug(body);
|
|
var outJSON = [];
|
|
body.rows.forEach(function (doc) {
|
|
// logger.debug(doc);
|
|
if (doc.value[0] == req.params.id) {
|
|
outJSON.push({id: doc.id, title: doc.value[1]})
|
|
}
|
|
});
|
|
|
|
//logger.debug(util.inspect(body));
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({list: outJSON}));
|
|
|
|
}
|
|
else {
|
|
logger.error(err);
|
|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
|
|
});
|
|
|
|
router.post('/add', function (req, res) {
|
|
logger.debug('add entry..');
|
|
|
|
var t = req.body;
|
|
if (t.hasOwnProperty('url')) {
|
|
var url = JSON.parse(t.url.toString());
|
|
logger.debug(url);
|
|
busEmitter.emit("getBookmark", t);
|
|
}
|
|
else {
|
|
logger.error('No data block!');
|
|
}
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({adding: url}));
|
|
|
|
});
|
|
|
|
router.post('/tags', function (req, res) {
|
|
var t = req.body;
|
|
console.log(t);
|
|
|
|
logger.info('regetting:' + req.body._id);
|
|
|
|
dbCouch.get(req.body._id, function (err, body) {
|
|
if (!err) {
|
|
|
|
var obj = {};
|
|
|
|
obj.url = body.url;
|
|
obj.html = body.html;
|
|
obj.reduced = body.reduced;
|
|
obj.title = body.title;
|
|
obj.tags = req.body.tags;
|
|
|
|
logger.info('Updating...');
|
|
busEmitter.emit("updateBookmarkData", obj, body._id, body._rev, res);
|
|
|
|
var outJSON = {};
|
|
outJSON._id = body._id;
|
|
outJSON._rev = body._rev;
|
|
outJSON.title = body.title;
|
|
outJSON.reduced = body.reduced;
|
|
outJSON.url = body.url;
|
|
outJSON.tags = req.body.tags;
|
|
|
|
//logger.debug(util.inspect(body));
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify(outJSON));
|
|
|
|
}
|
|
else {
|
|
res.writeHead(500, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({}));
|
|
}
|
|
});
|
|
|
|
});
|
|
|
|
router.post('/redo', function (req, res) {
|
|
logger.debug('redoing entry..');
|
|
|
|
var t = req.body;
|
|
console.log(t);
|
|
if (t.hasOwnProperty('url')) {
|
|
var url = t.url.toString();
|
|
logger.debug(url);
|
|
busEmitter.emit("getBookmark", t);
|
|
}
|
|
else {
|
|
logger.error('No data block!');
|
|
}
|
|
res.writeHead(200, {"ContentType": "application/json"});
|
|
res.end(JSON.stringify({adding: url}));
|
|
|
|
});
|
|
|
|
router.get('/new', function (req, res) {
|
|
logger.debug('Save new');
|
|
busEmitter.emit("getBookmarkRes", req.query.url, res);
|
|
|
|
});
|
|
|
|
router.post('/new', function (req, res) {
|
|
logger.debug('Posted Save new');
|
|
logger.info( req.body);
|
|
if (Object.keys(req.body).length !== 0)
|
|
{
|
|
busEmitter.emit("getBookmarkRes", req.body.url, res);
|
|
}
|
|
else {
|
|
res.status(422).end();
|
|
}
|
|
|
|
});
|
|
|
|
busEmitter.emit('updateTagsDB');
|
|
|
|
module.exports = router;
|