Fix Qiita:Team link to Crowi link. http://ydkk.hateblo.jp/entry/2017/12/14/235727

QiitaLinkFixer.cs

//
//  QiitaLinkFixer.cs
//
//  Created by YDKK on 2017/12/14.
//  Copyright © 2017 YDKK. Licensed under MIT.
//
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Codeplex.Data;

namespace QiitaLinkFixer
{
    class Program
    {
        const string accessToken = "CrowiへのAccessToken";

        static async Task Main(string[] args)
        {
            var client = new HttpClient();
            const string baseUrl = "https://crowi.example.jp";//CrowiのUrl
            const string titlePrefix = $"{baseUrl}/qiita/";//CrowiのUrl + Prefix

            var qiitaJson = File.ReadAllText("1507689122.json");//QiitaからエクスポートしたJSON
            var qiita = DynamicJson.Parse(qiitaJson);

            var crowiJson = File.ReadAllText("pages.json");//https://crowi.example.jp/_api/pages.list?user=hoge を保存したもの
            var crowi = DynamicJson.Parse(crowiJson);

            var dict = new Dictionary<string, string>();

            foreach (dynamic article in (object[])qiita.articles)
            {
                dict.Add(article.url, titlePrefix + article.user.id + "/" + ReplaceTitle(article.title));
            }

            foreach (dynamic page in (object[])crowi.pages)
            {
                var newBody = (string)page.revision.body;
                newBody = dict.Aggregate(newBody, (current, pair) => current.Replace(pair.Key, pair.Value));

                if (newBody == page.revision.body) continue;

                var param = new Dictionary<string, string>
                {
                    { "access_token", accessToken },
                    { "body", newBody },
                    { "page_id", page.id }
                };
                var content = new FormUrlEncodedContent(param);
                var result = await client.PostAsync($"{baseUrl}/_api/pages.update", content);
                var res = DynamicJson.Parse(await result.Content.ReadAsStringAsync());

                if (res.ok != true)
                {
                    Console.WriteLine("[ERROR] Failed to update page.");
                    Console.WriteLine("Path: " + page.path);
                }
            }
        }
        
        private static string ReplaceTitle(string title)
        {
            return title
                .Replace('^', '＾')
                .Replace('$', '＄')
                .Replace('*', '＊')
                .Replace('%', '％')
                .Replace('?', '？')
                .Replace('/', '／');
        }
    }
}