export gitlab ce issues

gitlab_issues_export.rb

require 'rest-client'
require 'json'
require 'time'

API_ENTRYPOINT = "YOUR_GITLAB_API_ADDRESS"
API_TOKEN = "YOUR_TOKEN"

def export_project(all_issues, project_id)
    page = 1
    per_page = 50
    flag = true

    while flag do
        res = RestClient.get("#{API_ENTRYPOINT}/projects/#{project_id}/issues", {
            params: {
                state: 'closed',
                page: page,
                per_page: per_page,
                order_by: "updated_at"
            },
            "PRIVATE-TOKEN": API_TOKEN
        })
    
        issues = JSON.parse(res.body)
        flag = issues.size == per_page
        page += 1
    
        issues.each do |issue|
            t = Time.parse(issue['updated_at']).strftime("%Y-%m-%d")
            all_issues[t] ||= []
            all_issues[t].push(issue)
        end
    end
end

all_issues = {}
export_project(all_issues, 1)

all_issues.each do |k, v|
    puts k
    v.each do |i|
        puts(i['title'])
    end
end