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package eu.dnetlib.usagestats.export;
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import java.io.*;
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//import java.io.BufferedReader;
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//import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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import java.sql.ResultSet;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Calendar;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.Statement;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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import org.apache.log4j.Logger;
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/**
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* Created by tsampikos on 28/3/2017.
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*/
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public class IrusStats {
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private final String dbUrl;
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private final String dbSchema;
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private final String dbUserName;
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private final String dbPassword;
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private Connection conn = null;
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private Statement stmt = null;
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private final Logger log = Logger.getLogger(this.getClass());
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public IrusStats(String dbUrl, String dbUsername, String dbPassword) throws Exception {
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this.dbUrl = dbUrl;
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this.dbSchema = "shadow";
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this.dbUserName = dbUsername;
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this.dbPassword = dbPassword;
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connectDB();
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createTables();
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}
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private void connectDB() throws Exception {
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try {
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Class.forName("org.postgresql.Driver");
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conn = DriverManager.getConnection(dbUrl, dbUserName, dbPassword);
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stmt = conn.createStatement();
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String sqlSetSearchPath = "SET search_path TO " + dbSchema + ";";
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stmt.executeUpdate(sqlSetSearchPath);
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log.info("Opened database successfully");
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} catch (Exception e) {
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log.error("Connect to db failed: " + e);
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throw new Exception("Failed to connect to db: " + e.toString(), e);
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}
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}
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private void createTables() throws Exception {
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try {
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stmt = conn.createStatement();
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String sqlCreateTableSushiLog = "CREATE TABLE IF NOT EXISTS sushilog(source TEXT, repository TEXT, rid TEXT, date TEXT, metric_type TEXT, count INT, PRIMARY KEY(source, repository, rid, date, metric_type));";
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stmt.executeUpdate(sqlCreateTableSushiLog);
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stmt.executeUpdate("CREATE TABLE IF NOT EXISTS public.sushilog(source TEXT, repository TEXT, rid TEXT, date TEXT, metric_type TEXT, count INT, PRIMARY KEY(source, repository, rid, date, metric_type));");
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String sqlCopyPublicSushiLog="INSERT INTO sushilog SELECT * FROM public.sushilog;";
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stmt.executeUpdate(sqlCopyPublicSushiLog);
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String sqlcreateRuleSushiLog = "CREATE OR REPLACE RULE ignore_duplicate_inserts AS " +
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" ON INSERT TO sushilog " +
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" WHERE (EXISTS ( SELECT sushilog.source, sushilog.repository," +
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"sushilog.rid, sushilog.date " +
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"FROM sushilog " +
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"WHERE sushilog.source = new.source AND sushilog.repository = new.repository AND sushilog.rid = new.rid AND sushilog.date = new.date AND sushilog.metric_type = new.metric_type)) DO INSTEAD NOTHING;";
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stmt.executeUpdate(sqlcreateRuleSushiLog);
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stmt.close();
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conn.close();
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log.info("Sushi Tables Created");
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} catch (Exception e) {
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log.error("Failed to create tables: " + e);
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throw new Exception("Failed to create tables: " + e.toString(), e);
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}
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}
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public void irusStats() throws Exception {
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if (conn.isClosed())
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connectDB();
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stmt = conn.createStatement();
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conn.setAutoCommit(false);
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//String sql = "INSERT INTO sushi_result_downloads SELECT s.source, d.id AS repository, ro.id, s.date, s.count FROM sushilog s, datasource_oids d, result_oids ro WHERE s.repository=d.orid AND s.oai=ro.orid AND metric_type='ft_total'";
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//String sql = "SELECT s.source, d.id AS repository_id, ro.id as result_id, extract('year' from s.date::date) ||'/'|| LPAD(CAST(extract('month' from s.date::date) AS VARCHAR), 2, '0') as date, s.count INTO downloads_stats FROM sushilog s, datasource_oids d, result_oids ro WHERE s.repository=d.orid AND s.oai=ro.orid AND metric_type='ft_total'";
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//String sql = "INSERT INTO downloads_stats SELECT s.source, d.id AS repository_id, ro.id as result_id, extract('year' from s.date::date) ||'/'|| LPAD(CAST(extract('month' from s.date::date) AS VARCHAR), 2, '0') as date, s.count FROM sushilog s, datasource_oids d, result_oids ro WHERE s.repository=d.orid AND s.oai=ro.orid AND metric_type='ft_total';";
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String sql = "INSERT INTO downloads_stats SELECT s.source, d.id AS repository_id, ro.id as result_id, extract('year' from s.date::date) ||'/'|| LPAD(CAST(extract('month' from s.date::date) AS VARCHAR), 2, '0') as date, s.count, '0' FROM sushilog s, datasource_oids d, result_oids ro WHERE s.repository=d.orid AND s.rid=ro.orid AND metric_type='ft_total' AND s.source='IRUS-UK';";
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stmt.executeUpdate(sql);
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stmt.close();
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conn.commit();
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conn.close();
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}
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public void processIrusRRReport() throws Exception {
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat("YYYY-MM");
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String reportUrl = "https://irus.jisc.ac.uk" + "/api/sushilite/v1_7/GetReport/?Report=RR1&Release=4&RequestorID=OpenAIRE&BeginDate=2016-01&EndDate=" + simpleDateFormat.format(new Date()) + "&RepositoryIdentifier=&ItemDataType=&NewJiscBand=&Granularity=Monthly&Callback=";
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log.info("Getting Irus report: " + reportUrl);
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String text = getJson(reportUrl, "", "");
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log.info("Report: " + text);
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JSONParser parser = new JSONParser();
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JSONObject jsonObject = (JSONObject) parser.parse(text);
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jsonObject = (JSONObject) jsonObject.get("ReportResponse");
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jsonObject = (JSONObject) jsonObject.get("Report");
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jsonObject = (JSONObject) jsonObject.get("Report");
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jsonObject = (JSONObject) jsonObject.get("Customer");
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JSONArray jsonArray = (JSONArray) jsonObject.get("ReportItems");
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int i = 0;
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for (Object aJsonArray : jsonArray) {
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JSONObject jsonObjectRow = (JSONObject) aJsonArray;
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JSONArray itemIdentifier = (JSONArray) jsonObjectRow.get("ItemIdentifier");
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for (Object identifier : itemIdentifier) {
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JSONObject opendoar = (JSONObject) identifier;
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if(opendoar.get("Type").toString().equals("OpenDOAR")){
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//System.out.println(i + ": " + opendoar.get("Value").toString());
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log.info(i + ": " + opendoar.get("Value").toString());
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i++;
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processIrusIRReport(opendoar.get("Value").toString());
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break;
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}
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}
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//break;
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}
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}
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private void processIrusIRReport(String opendoar) throws Exception {
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if (conn.isClosed())
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connectDB();
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conn.setAutoCommit(false);
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat("YYYY-MM");
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Calendar start = Calendar.getInstance();
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start.set(Calendar.YEAR, 2016);
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start.set(Calendar.MONTH, Calendar.JANUARY);
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//start.setTime(simpleDateFormat.parse("2016-01"));
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Calendar end = Calendar.getInstance();
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end.add(Calendar.DAY_OF_MONTH, -1);
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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PreparedStatement st = conn.prepareStatement("SELECT max(date) FROM public.sushilog WHERE repository=?;");
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st.setString(1, "opendoar____::" + opendoar);
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ResultSet rs_date = st.executeQuery();
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while(rs_date.next()){
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if(rs_date.getString(1) != null && !rs_date.getString(1).equals("null") && !rs_date.getString(1).equals("")) {
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start.setTime(sdf.parse(rs_date.getString(1)));
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}
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}
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rs_date.close();
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PreparedStatement preparedStatement = conn.prepareStatement("INSERT INTO sushilog (source, repository, rid, date, metric_type, count) VALUES (?,?,?,?,?,?)");
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int batch_size = 0;
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while(start.before(end)){
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//log.info("date: " + simpleDateFormat.format(start.getTime()));
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String reportUrl = "https://irus.jisc.ac.uk/api/sushilite/v1_7/GetReport/?Report=IR1&Release=4&RequestorID=OpenAIRE&BeginDate=" + simpleDateFormat.format(start.getTime()) + "&EndDate=" + simpleDateFormat.format(start.getTime()) + "&RepositoryIdentifier=opendoar%3A" + opendoar + "&ItemIdentifier=&ItemDataType=&hasDOI=&Granularity=Monthly&Callback=";
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start.add(Calendar.MONTH, 1);
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String text = getJson(reportUrl, "", "");
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if(text == null){
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continue;
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}
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JSONParser parser = new JSONParser();
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JSONObject jsonObject = (JSONObject) parser.parse(text);
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jsonObject = (JSONObject) jsonObject.get("ReportResponse");
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jsonObject = (JSONObject) jsonObject.get("Report");
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jsonObject = (JSONObject) jsonObject.get("Report");
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jsonObject = (JSONObject) jsonObject.get("Customer");
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JSONArray jsonArray = (JSONArray) jsonObject.get("ReportItems");
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if(jsonArray == null){
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continue;
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}
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String oai = "";
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for (Object aJsonArray : jsonArray) {
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JSONObject jsonObjectRow = (JSONObject) aJsonArray;
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JSONArray itemIdentifier = (JSONArray) jsonObjectRow.get("ItemIdentifier");
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for (Object identifier : itemIdentifier) {
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JSONObject oaiPmh = (JSONObject) identifier;
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if(oaiPmh.get("Type").toString().equals("OAI")){
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oai = oaiPmh .get("Value").toString();
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//System.out.println("OAI: " + oai);
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break;
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}
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}
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JSONArray itemPerformance = (JSONArray) jsonObjectRow.get("ItemPerformance");
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String period;
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String type;
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String count;
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for (Object perf : itemPerformance) {
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JSONObject performance = (JSONObject) perf;
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JSONObject periodObj = (JSONObject) performance.get("Period");
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period = periodObj.get("Begin").toString();
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JSONObject instanceObj = (JSONObject) performance.get("Instance");
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type = instanceObj.get("MetricType").toString();
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count = instanceObj.get("Count").toString();
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//System.out.println(oai + " : " + period + " : " + count);
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preparedStatement.setString(1, "IRUS-UK");
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preparedStatement.setString(2, "opendoar____::" + opendoar);
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preparedStatement.setString(3, oai);
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preparedStatement.setString(4, period);
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preparedStatement.setString(5, type);
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preparedStatement.setInt(6, Integer.parseInt(count));
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preparedStatement.addBatch();
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batch_size++;
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if(batch_size == 10000){
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preparedStatement.executeBatch();
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conn.commit();
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batch_size = 0;
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}
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}
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//break;
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}
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//break;
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}
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preparedStatement.executeBatch();
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conn.commit();
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conn.close();
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}
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private String getJson(String url,String username, String password) throws Exception {
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//String cred=username+":"+password;
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//String encoded = new sun.misc.BASE64Encoder().encode (cred.getBytes());
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try {
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URL website = new URL(url);
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URLConnection connection = website.openConnection();
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//connection.setRequestProperty ("Authorization", "Basic "+encoded);
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StringBuilder response;
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try (BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
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response = new StringBuilder();
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String inputLine;
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while ((inputLine = in.readLine()) != null) {
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response.append(inputLine);
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response.append("\n");
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}
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}
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return response.toString();
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}catch (Exception e){
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log.error("Failed to get URL", e);
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return null;
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}
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}
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/*
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private void flushString(String data, String destination) throws Exception {
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FSDataOutputStream fin;
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try {
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FileSystem fs = FileSystem.get(new Configuration());
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fin = fs.create(new Path(destination), true);
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fin.write(data.getBytes());
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fin.close();
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} catch (Exception e) {
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log.error("Failed to write exported data to a file : ", e);
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throw new Exception("Failed to write exported data to a file : " + e.toString(), e);
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}
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}
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*/
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}
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