mirror of
https://github.com/Tyrrrz/DiscordChatExporter.git
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Add GUI (#7)
* Create a dummy WPF project * Set up Ammy placeholders * Don't track autogenerated files * Basic layout * Add Program.cs * Implement basic workflow * Autofocus token textbox and add Enter key handler * Strip double quotes from token * AmmyUI converters are slightly dumb :( * Use CanExecute * Add file path select and theme select, also refactor * Persist token * Trying to improve UI/UX - 1 * Rename stuff * Finish improving UI/UX * Remove data placeholder * Remove border on middle grid * Ok now i'm done * Improve Discord API layer * Add lots of stuff * Show filesizes in export * Improve export * Animations * Update readme * Improving gui again * Improve UI again * Refactor
This commit is contained in:
Alexey Golub
GitHub
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using System.Threading.Tasks;
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using DiscordChatExporter.Models;
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using Newtonsoft.Json.Linq;
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using Tyrrrz.Extensions;
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namespace DiscordChatExporter.Services
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{
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public partial class DataService : IDataService, IDisposable
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{
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private const string ApiRoot = "https://discordapp.com/api/v6";
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private readonly HttpClient _httpClient = new HttpClient();
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public async Task<IEnumerable<Guild>> GetGuildsAsync(string token)
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{
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// Form request url
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var url = $"{ApiRoot}/users/@me/guilds?token={token}&limit=100";
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// Get response
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var response = await _httpClient.GetStringAsync(url);
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// Parse
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var guilds = JArray.Parse(response).Select(ParseGuild);
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return guilds;
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}
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public async Task<IEnumerable<Channel>> GetDirectMessageChannelsAsync(string token)
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{
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// Form request url
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var url = $"{ApiRoot}/users/@me/channels?token={token}";
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// Get response
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var response = await _httpClient.GetStringAsync(url);
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// Parse
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var channels = JArray.Parse(response).Select(ParseChannel);
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return channels;
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}
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public async Task<IEnumerable<Channel>> GetGuildChannelsAsync(string token, string guildId)
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{
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// Form request url
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var url = $"{ApiRoot}/guilds/{guildId}/channels?token={token}";
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// Get response
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var response = await _httpClient.GetStringAsync(url);
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// Parse
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var channels = JArray.Parse(response).Select(ParseChannel);
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return channels;
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}
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public async Task<IEnumerable<Message>> GetChannelMessagesAsync(string token, string channelId)
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{
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var result = new List<Message>();
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// We are going backwards from last message to first
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// collecting everything between them in batches
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string beforeId = null;
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while (true)
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{
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// Form request url
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var url = $"{ApiRoot}/channels/{channelId}/messages?token={token}&limit=100";
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if (beforeId.IsNotBlank())
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url += $"&before={beforeId}";
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// Get response
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var response = await _httpClient.GetStringAsync(url);
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// Parse
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var messages = JArray.Parse(response).Select(ParseMessage);
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// Add messages to list
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string currentMessageId = null;
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foreach (var message in messages)
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{
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result.Add(message);
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currentMessageId = message.Id;
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}
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// If no messages - break
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if (currentMessageId == null) break;
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// Otherwise offset the next request
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beforeId = currentMessageId;
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}
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// Messages appear newest first, we need to reverse
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result.Reverse();
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return result;
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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_httpClient.Dispose();
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}
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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}
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public partial class DataService
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{
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private static User ParseUser(JToken token)
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{
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var id = token.Value<string>("id");
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var discriminator = token.Value<int>("discriminator");
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var name = token.Value<string>("username");
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var avatarHash = token.Value<string>("avatar");
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return new User(id, discriminator, name, avatarHash);
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}
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private static Guild ParseGuild(JToken token)
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{
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var id = token.Value<string>("id");
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var name = token.Value<string>("name");
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var iconHash = token.Value<string>("icon");
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return new Guild(id, name, iconHash);
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}
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private static Channel ParseChannel(JToken token)
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{
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// Get basic data
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var id = token.Value<string>("id");
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var type = (ChannelType) token.Value<int>("type");
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// Extract name based on type
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string name;
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if (type.IsEither(ChannelType.DirectTextChat, ChannelType.DirectGroupTextChat))
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{
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var recipients = token["recipients"].Select(ParseUser);
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name = recipients.Select(r => r.Name).JoinToString(", ");
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}
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else
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{
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name = token.Value<string>("name");
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}
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return new Channel(id, name, type);
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}
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private static Message ParseMessage(JToken token)
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{
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// Get basic data
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var id = token.Value<string>("id");
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var timeStamp = token.Value<DateTime>("timestamp");
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var editedTimeStamp = token.Value<DateTime?>("edited_timestamp");
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var content = token.Value<string>("content");
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// Lazy workaround for calls
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if (token["call"] != null)
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content = "Started a call.";
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// Get author
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var author = ParseUser(token["author"]);
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// Get attachment
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var attachments = new List<Attachment>();
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foreach (var attachmentJson in token["attachments"].EmptyIfNull())
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{
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var attachmentId = attachmentJson.Value<string>("id");
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var attachmentUrl = attachmentJson.Value<string>("url");
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var attachmentType = attachmentJson["width"] != null
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? AttachmentType.Image
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: AttachmentType.Unrecognized;
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var attachmentFileName = attachmentJson.Value<string>("filename");
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var attachmentFileSize = attachmentJson.Value<long>("size");
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var attachment = new Attachment(
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attachmentId, attachmentType, attachmentUrl,
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attachmentFileName, attachmentFileSize);
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attachments.Add(attachment);
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}
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return new Message(id, author, timeStamp, editedTimeStamp, content, attachments);
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}
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}
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}
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