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| 1 | +using BotSharp.Abstraction.Agents.Enums; |
| 2 | +using BotSharp.Abstraction.Files; |
| 3 | +using BotSharp.Abstraction.Messaging.Models.RichContent.Template; |
| 4 | +using BotSharp.Abstraction.MLTasks; |
| 5 | +using BotSharp.Core.Infrastructures; |
| 6 | +using BotSharp.Plugin.EmailHandler.Models; |
| 7 | +using BotSharp.Plugin.EmailHandler.Providers; |
| 8 | +using MailKit; |
| 9 | +using MailKit.Net.Imap; |
| 10 | +using MailKit.Search; |
| 11 | +using MailKit.Security; |
| 12 | +using Microsoft.AspNetCore.Http; |
| 13 | +using Microsoft.Extensions.Logging; |
| 14 | +using MimeKit; |
| 15 | + |
| 16 | +namespace BotSharp.Plugin.EmailReader.Functions; |
| 17 | + |
| 18 | +public class HandleEmailReaderFn : IFunctionCallback |
| 19 | +{ |
| 20 | + public string Name => "handle_email_reader"; |
| 21 | + public readonly static string PROMPT_SUMMARY = "Provide a text summary of the following content."; |
| 22 | + public readonly static string RICH_CONTENT_SUMMARIZE = "is_email_summarize: true. messageId"; |
| 23 | + public readonly static string RICH_CONTENT_READ_EMAIL = "Read the email by messageId"; |
| 24 | + public readonly static string RICH_CONTENT_MARK_READ = "mark_as_read: true. messageId"; |
| 25 | + public string Indication => "Handling email read"; |
| 26 | + private readonly IServiceProvider _services; |
| 27 | + private readonly ILogger<HandleEmailReaderFn> _logger; |
| 28 | + private readonly IHttpContextAccessor _context; |
| 29 | + private readonly BotSharpOptions _options; |
| 30 | + private readonly EmailReaderSettings _emailSettings; |
| 31 | + private readonly IConversationStateService _state; |
| 32 | + private readonly IEmailReader _emailProvider; |
| 33 | + |
| 34 | + public HandleEmailReaderFn(IServiceProvider services, |
| 35 | + ILogger<HandleEmailReaderFn> logger, |
| 36 | + IHttpContextAccessor context, |
| 37 | + BotSharpOptions options, |
| 38 | + EmailReaderSettings emailPluginSettings, |
| 39 | + IConversationStateService state, |
| 40 | + IEmailReader emailProvider) |
| 41 | + { |
| 42 | + _services = services; |
| 43 | + _logger = logger; |
| 44 | + _context = context; |
| 45 | + _options = options; |
| 46 | + _emailSettings = emailPluginSettings; |
| 47 | + _state = state; |
| 48 | + _emailProvider = emailProvider; |
| 49 | + } |
| 50 | + public async Task<bool> Execute(RoleDialogModel message) |
| 51 | + { |
| 52 | + var args = JsonSerializer.Deserialize<LlmContextReader>(message.FunctionArgs, _options.JsonSerializerOptions); |
| 53 | + var isMarkRead = args?.IsMarkRead ?? false; |
| 54 | + var isSummarize = args?.IsSummarize ?? false; |
| 55 | + var messageId = args?.MessageId; |
| 56 | + try |
| 57 | + { |
| 58 | + if (!string.IsNullOrEmpty(messageId)) |
| 59 | + { |
| 60 | + if (isMarkRead) |
| 61 | + { |
| 62 | + await _emailProvider.MarkEmailAsReadById(messageId); |
| 63 | + message.Content = $"The email message has been marked as read."; |
| 64 | + return true; |
| 65 | + } |
| 66 | + var emailMessage = await _emailProvider.GetEmailById(messageId); |
| 67 | + if (isSummarize) |
| 68 | + { |
| 69 | + var prompt = $"{PROMPT_SUMMARY} The content was sent by {emailMessage.From.ToString()}. Details: {emailMessage.TextBody}"; |
| 70 | + var agent = new Agent |
| 71 | + { |
| 72 | + Id = BuiltInAgentId.UtilityAssistant, |
| 73 | + Name = "Utility Assistant", |
| 74 | + Instruction = prompt |
| 75 | + }; |
| 76 | + |
| 77 | + var llmProviderService = _services.GetRequiredService<ILlmProviderService>(); |
| 78 | + var provider = llmProviderService.GetProviders().FirstOrDefault(x => x == "openai"); |
| 79 | + var model = llmProviderService.GetProviderModel(provider: provider, id: "gpt-4"); |
| 80 | + var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model.Name); |
| 81 | + var convService = _services.GetService<IConversationService>(); |
| 82 | + var conversationId = convService.ConversationId; |
| 83 | + var dialogs = convService.GetDialogHistory(fromBreakpoint: false); |
| 84 | + var response = await completion.GetChatCompletions(agent, dialogs); |
| 85 | + var content = response?.Content ?? string.Empty; |
| 86 | + message.Content = content; |
| 87 | + message.RichContent = BuildRichContentForSummary(_state.GetConversationId(), message.Content); |
| 88 | + return true; |
| 89 | + } |
| 90 | + UniqueId.TryParse(messageId, out UniqueId uid); |
| 91 | + message.RichContent = BuildRichContentForEmail(emailMessage, uid.ToString()); |
| 92 | + return true; |
| 93 | + } |
| 94 | + var emails = await _emailProvider.GetUnreadEmails(); |
| 95 | + message.Content = "Please choose which one to read for you."; |
| 96 | + message.RichContent = BuildRichContentForSubject(emails.OrderByDescending(x => x.CreateDate).ToList()); |
| 97 | + return true; |
| 98 | + } |
| 99 | + catch (Exception ex) |
| 100 | + { |
| 101 | + var msg = $"Failed to read the emails. {ex.Message}"; |
| 102 | + _logger.LogError($"{msg}\n(Error: {ex.Message})"); |
| 103 | + message.Content = msg; |
| 104 | + return false; |
| 105 | + } |
| 106 | + } |
| 107 | + public RichContent<IRichMessage> BuildRichContentForSummary(string conversationId, string content, string editorType = EditorTypeEnum.Text) |
| 108 | + { |
| 109 | + return new RichContent<IRichMessage>() |
| 110 | + { |
| 111 | + FillPostback = true, |
| 112 | + Editor = editorType, |
| 113 | + Recipient = new Recipient() { Id = conversationId }, |
| 114 | + Message = new ButtonTemplateMessage() |
| 115 | + { |
| 116 | + Text = content, |
| 117 | + } |
| 118 | + }; |
| 119 | + } |
| 120 | + private RichContent<IRichMessage> BuildRichContentForSubject(List<EmailModel> emailSubjects) |
| 121 | + { |
| 122 | + var text = "Please let me know which message I need to read?"; |
| 123 | + |
| 124 | + return new RichContent<IRichMessage> |
| 125 | + { |
| 126 | + FillPostback = true, |
| 127 | + Editor = EditorTypeEnum.None, |
| 128 | + Recipient = new Recipient |
| 129 | + { |
| 130 | + Id = _state.GetConversationId() |
| 131 | + }, |
| 132 | + Message = new GenericTemplateMessage<EmailSubjectElement> |
| 133 | + { |
| 134 | + Text = text, |
| 135 | + Elements = GetElements(emailSubjects) |
| 136 | + } |
| 137 | + }; |
| 138 | + } |
| 139 | + private RichContent<IRichMessage> BuildRichContentForEmail(EmailModel email, string uid) |
| 140 | + { |
| 141 | + var text = "The email details are given below. \n"; |
| 142 | + |
| 143 | + return new RichContent<IRichMessage> |
| 144 | + { |
| 145 | + FillPostback = true, |
| 146 | + Editor = EditorTypeEnum.None, |
| 147 | + Recipient = new Recipient |
| 148 | + { |
| 149 | + Id = _state.GetConversationId() |
| 150 | + }, |
| 151 | + Message = new GenericTemplateMessage<EmailSubjectElement> |
| 152 | + { |
| 153 | + Text = $"{text}<b>From</b>: {email.From.ToString()}\n<b>Subject</b>: {email.Subject}\n{email.Body}", |
| 154 | + Elements = GetElements(uid) |
| 155 | + } |
| 156 | + }; |
| 157 | + } |
| 158 | + private static List<EmailSubjectElement> GetElements(string uid) |
| 159 | + { |
| 160 | + var element = new EmailSubjectElement() |
| 161 | + { |
| 162 | + Buttons = new ElementButton[] |
| 163 | + { |
| 164 | + BuildMarkReadElementButton(uid) |
| 165 | + } |
| 166 | + }; |
| 167 | + return new List<EmailSubjectElement>() { element }; |
| 168 | + } |
| 169 | + private static List<EmailSubjectElement> GetElements(List<EmailModel> emails) |
| 170 | + { |
| 171 | + var elements = emails.Select(e => new EmailSubjectElement |
| 172 | + { |
| 173 | + Title = $"Subject: {e.Subject}", |
| 174 | + Subtitle = $"From: {e.From}<br/> Date: {e.CreateDate}", |
| 175 | + Buttons = BuildElementButton(e) |
| 176 | + }).ToList(); |
| 177 | + return elements; |
| 178 | + } |
| 179 | + private static ElementButton[] BuildElementButton(EmailModel email) |
| 180 | + { |
| 181 | + var elements = new List<ElementButton>() { }; |
| 182 | + elements.Add(new ElementButton |
| 183 | + { |
| 184 | + Title = "Read", |
| 185 | + Payload = $"{RICH_CONTENT_READ_EMAIL}: {email.UId}.", |
| 186 | + Type = "text", |
| 187 | + }); |
| 188 | + elements.Add(new ElementButton |
| 189 | + { |
| 190 | + Title = "Summarize", |
| 191 | + Payload = $"{RICH_CONTENT_SUMMARIZE}: {email.UId}.", |
| 192 | + Type = "text", |
| 193 | + }); |
| 194 | + return elements.ToArray(); |
| 195 | + } |
| 196 | + private static ElementButton BuildMarkReadElementButton(string uId) |
| 197 | + { |
| 198 | + return new ElementButton |
| 199 | + { |
| 200 | + Title = "Mark as read", |
| 201 | + Payload = $"{RICH_CONTENT_MARK_READ}: {uId}.", |
| 202 | + Type = "text", |
| 203 | + }; |
| 204 | + } |
| 205 | +} |
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