com.github.trohovsky.jira.analyzer.IssuesPerMonthStrategy.java Source code

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Here is the source code for com.github.trohovsky.jira.analyzer.IssuesPerMonthStrategy.java

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/*
 * Copyright 2015 Tomas Rohovsky
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.trohovsky.jira.analyzer;

import org.joda.time.DateTime;
import org.joda.time.Months;

import com.atlassian.jira.rest.client.api.SearchRestClient;
import com.atlassian.jira.rest.client.api.domain.Issue;
import com.atlassian.jira.rest.client.api.domain.SearchResult;

import java.text.SimpleDateFormat;
import java.util.List;

/**
 * It queries a JIRA and reports the results. The results are in this format:
 * query_parameter+ number_of_issues creation_date_of_first_issue issues_per_month
 *
 * issues_per_month is computed from creation_date_of_first_issue
 *
 * @author Tomas Rohovsky
 */
public class IssuesPerMonthStrategy implements AnalyzerStrategy {

    private SearchRestClient searchRestClient;

    public IssuesPerMonthStrategy(SearchRestClient searchRestClient) {
        this.searchRestClient = searchRestClient;
    }

    @Override
    public void analyze(String jqlQueryTemplate, List<String> queryParameters) {
        String jqlQuery = String.format(jqlQueryTemplate, queryParameters.toArray());
        // adjust the query to correctly order the results, it's required due to creation date
        int indexOfOrderBy = jqlQuery.indexOf("ORDER BY");
        if (indexOfOrderBy != -1) {
            jqlQuery = jqlQuery.substring(0, indexOfOrderBy - 1);
        }
        jqlQuery += " ORDER BY created ASC";

        // TODO JRJC-205 Problem when searching issues with 'fields' parameter set
        final SearchResult searchResult = searchRestClient.searchJql(jqlQuery, 1, 0, null).claim();

        DateTime firstIssueCreationDate = null;
        if (searchResult.getIssues().iterator().hasNext()) {
            final Issue firstIssue = searchResult.getIssues().iterator().next();
            firstIssueCreationDate = firstIssue.getCreationDate();
        }
        int monthDiff = 0;
        if (firstIssueCreationDate != null) {
            final DateTime today = new DateTime();
            final Months mt = Months.monthsBetween(firstIssueCreationDate, today);
            monthDiff = mt.getMonths();
        }
        final float issuesPerMonth = (float) searchResult.getTotal() / monthDiff;
        final SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
        String firstIssueCreationDateString = null;
        if (firstIssueCreationDate != null) {
            firstIssueCreationDateString = formatter.format(firstIssueCreationDate.toDate());
        } else {
            firstIssueCreationDateString = "None";
        }
        System.out.println(String.format("%s %s %s %s", String.join(" ", queryParameters), searchResult.getTotal(),
                firstIssueCreationDateString, issuesPerMonth));
    }
}