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Gardient
313
RedditSharp/Things/Comment.cs
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313
RedditSharp/Things/Comment.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Security.Authentication;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace RedditSharp.Things
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{
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public class Comment : VotableThing
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{
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private const string CommentUrl = "/api/comment";
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private const string DistinguishUrl = "/api/distinguish";
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private const string EditUserTextUrl = "/api/editusertext";
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private const string RemoveUrl = "/api/remove";
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private const string SetAsReadUrl = "/api/read_message";
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[JsonIgnore]
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private Reddit Reddit { get; set; }
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[JsonIgnore]
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private IWebAgent WebAgent { get; set; }
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public Comment Init(Reddit reddit, JToken json, IWebAgent webAgent, Thing sender)
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{
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var data = CommonInit(reddit, json, webAgent, sender);
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ParseComments(reddit, json, webAgent, sender);
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JsonConvert.PopulateObject(data.ToString(), this, reddit.JsonSerializerSettings);
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return this;
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}
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public async Task<Comment> InitAsync(Reddit reddit, JToken json, IWebAgent webAgent, Thing sender)
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{
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var data = CommonInit(reddit, json, webAgent, sender);
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await ParseCommentsAsync(reddit, json, webAgent, sender);
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await Task.Factory.StartNew(() => JsonConvert.PopulateObject(data.ToString(), this, reddit.JsonSerializerSettings));
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return this;
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}
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private JToken CommonInit(Reddit reddit, JToken json, IWebAgent webAgent, Thing sender)
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{
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base.Init(reddit, webAgent, json);
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var data = json["data"];
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Reddit = reddit;
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WebAgent = webAgent;
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this.Parent = sender;
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// Handle Reddit's API being horrible
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if (data["context"] != null)
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{
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var context = data["context"].Value<string>();
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LinkId = context.Split('/')[4];
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}
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return data;
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}
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private void ParseComments(Reddit reddit, JToken data, IWebAgent webAgent, Thing sender)
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{
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// Parse sub comments
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var replies = data["data"]["replies"];
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var subComments = new List<Comment>();
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if (replies != null && replies.Count() > 0)
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{
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foreach (var comment in replies["data"]["children"])
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subComments.Add(new Comment().Init(reddit, comment, webAgent, sender));
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}
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Comments = subComments.ToArray();
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}
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private async Task ParseCommentsAsync(Reddit reddit, JToken data, IWebAgent webAgent, Thing sender)
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{
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// Parse sub comments
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var replies = data["data"]["replies"];
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var subComments = new List<Comment>();
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if (replies != null && replies.Count() > 0)
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{
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foreach (var comment in replies["data"]["children"])
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subComments.Add(await new Comment().InitAsync(reddit, comment, webAgent, sender));
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}
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Comments = subComments.ToArray();
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}
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[JsonProperty("author")]
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public string Author { get; set; }
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[JsonProperty("banned_by")]
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public string BannedBy { get; set; }
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[JsonProperty("body")]
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public string Body { get; set; }
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[JsonProperty("body_html")]
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public string BodyHtml { get; set; }
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[JsonProperty("parent_id")]
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public string ParentId { get; set; }
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[JsonProperty("subreddit")]
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public string Subreddit { get; set; }
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[JsonProperty("approved_by")]
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public string ApprovedBy { get; set; }
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[JsonProperty("author_flair_css_class")]
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public string AuthorFlairCssClass { get; set; }
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[JsonProperty("author_flair_text")]
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public string AuthorFlairText { get; set; }
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[JsonProperty("gilded")]
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public int Gilded { get; set; }
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[JsonProperty("link_id")]
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public string LinkId { get; set; }
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[JsonProperty("link_title")]
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public string LinkTitle { get; set; }
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[JsonProperty("num_reports")]
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public int? NumReports { get; set; }
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[JsonProperty("distinguished")]
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[JsonConverter(typeof(DistinguishConverter))]
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public DistinguishType Distinguished { get; set; }
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[JsonIgnore]
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public IList<Comment> Comments { get; private set; }
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[JsonIgnore]
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public Thing Parent { get; internal set; }
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public override string Shortlink
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{
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get
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{
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// Not really a "short" link, but you can't actually use short links for comments
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string linkId = "";
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int index = this.LinkId.IndexOf('_');
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if (index > -1)
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{
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linkId = this.LinkId.Substring(index + 1);
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}
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return String.Format("{0}://{1}/r/{2}/comments/{3}/_/{4}",
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RedditSharp.WebAgent.Protocol, RedditSharp.WebAgent.RootDomain,
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this.Subreddit, this.Parent != null ? this.Parent.Id : linkId, this.Id);
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}
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}
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public Comment Reply(string message)
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{
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if (Reddit.User == null)
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throw new AuthenticationException("No user logged in.");
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var request = WebAgent.CreatePost(CommentUrl);
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var stream = request.GetRequestStream();
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WebAgent.WritePostBody(stream, new
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{
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text = message,
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thing_id = FullName,
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uh = Reddit.User.Modhash,
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api_type = "json"
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//r = Subreddit
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});
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stream.Close();
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try
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{
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var response = request.GetResponse();
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var data = WebAgent.GetResponseString(response.GetResponseStream());
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var json = JObject.Parse(data);
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if (json["json"]["ratelimit"] != null)
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throw new RateLimitException(TimeSpan.FromSeconds(json["json"]["ratelimit"].ValueOrDefault<double>()));
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return new Comment().Init(Reddit, json["json"]["data"]["things"][0], WebAgent, this);
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}
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catch (WebException ex)
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{
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var error = new StreamReader(ex.Response.GetResponseStream()).ReadToEnd();
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return null;
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}
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}
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public void Distinguish(DistinguishType distinguishType)
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{
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if (Reddit.User == null)
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throw new AuthenticationException("No user logged in.");
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var request = WebAgent.CreatePost(DistinguishUrl);
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var stream = request.GetRequestStream();
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string how;
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switch (distinguishType)
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{
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case DistinguishType.Admin:
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how = "admin";
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break;
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case DistinguishType.Moderator:
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how = "yes";
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break;
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case DistinguishType.None:
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how = "no";
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break;
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default:
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how = "special";
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break;
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}
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WebAgent.WritePostBody(stream, new
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{
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how,
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id = Id,
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uh = Reddit.User.Modhash
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});
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stream.Close();
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var response = request.GetResponse();
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var data = WebAgent.GetResponseString(response.GetResponseStream());
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var json = JObject.Parse(data);
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if (json["jquery"].Count(i => i[0].Value<int>() == 11 && i[1].Value<int>() == 12) == 0)
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throw new AuthenticationException("You are not permitted to distinguish this comment.");
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}
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/// <summary>
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/// Replaces the text in this comment with the input text.
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/// </summary>
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/// <param name="newText">The text to replace the comment's contents</param>
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public void EditText(string newText)
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{
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if (Reddit.User == null)
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throw new Exception("No user logged in.");
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var request = WebAgent.CreatePost(EditUserTextUrl);
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WebAgent.WritePostBody(request.GetRequestStream(), new
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{
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api_type = "json",
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text = newText,
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thing_id = FullName,
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uh = Reddit.User.Modhash
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});
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var response = request.GetResponse();
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var result = WebAgent.GetResponseString(response.GetResponseStream());
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JToken json = JToken.Parse(result);
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if (json["json"].ToString().Contains("\"errors\": []"))
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Body = newText;
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else
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throw new Exception("Error editing text.");
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}
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public void Remove()
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{
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RemoveImpl(false);
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}
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public void RemoveSpam()
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{
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RemoveImpl(true);
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}
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private void RemoveImpl(bool spam)
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{
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var request = WebAgent.CreatePost(RemoveUrl);
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var stream = request.GetRequestStream();
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WebAgent.WritePostBody(stream, new
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{
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id = FullName,
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spam = spam,
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uh = Reddit.User.Modhash
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});
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stream.Close();
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var response = request.GetResponse();
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var data = WebAgent.GetResponseString(response.GetResponseStream());
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}
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public void SetAsRead()
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{
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var request = WebAgent.CreatePost(SetAsReadUrl);
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WebAgent.WritePostBody(request.GetRequestStream(), new
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{
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id = FullName,
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uh = Reddit.User.Modhash,
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api_type = "json"
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});
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var response = request.GetResponse();
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var data = WebAgent.GetResponseString(response.GetResponseStream());
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}
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}
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public enum DistinguishType
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{
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Moderator,
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Admin,
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Special,
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None
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}
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internal class DistinguishConverter : JsonConverter
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{
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public override bool CanConvert(Type objectType)
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{
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return objectType == typeof(DistinguishType) || objectType == typeof(string);
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}
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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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var token = JToken.Load(reader);
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var value = token.Value<string>();
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if (value == null)
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return DistinguishType.None;
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switch (value)
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{
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case "moderator": return DistinguishType.Moderator;
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case "admin": return DistinguishType.Admin;
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case "special": return DistinguishType.Special;
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default: return DistinguishType.None;
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}
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}
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public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
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{
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var d = (DistinguishType)value;
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if (d == DistinguishType.None)
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{
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writer.WriteNull();
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return;
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}
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writer.WriteValue(d.ToString().ToLower());
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}
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}
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}
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