microsoft/TypeAgent
Publicmirrored fromhttps://github.com/microsoft/TypeAgentAvailable
dotnet/email/Email.cs
281lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | using TypeAgent.Core; |
| 5 | namespace TypeAgent; |
| 6 | |
| 7 | public class Email |
| 8 | { |
| 9 | public Email() |
| 10 | { |
| 11 | } |
| 12 | |
| 13 | public Email(MailItem mail, string? sourcePath = null) |
| 14 | { |
| 15 | Load(mail); |
| 16 | SourcePath = sourcePath; |
| 17 | } |
| 18 | |
| 19 | public Email(Email email) |
| 20 | { |
| 21 | this.Bcc = email.Bcc; |
| 22 | this.Cc = email.Cc; |
| 23 | this.From = email.From; |
| 24 | this.Importance = email.Importance; |
| 25 | this.ReceivedOn = email.ReceivedOn; |
| 26 | this.SentOn = email.SentOn; |
| 27 | this.SourcePath = email.SourcePath; |
| 28 | this.Subject = email.Subject; |
| 29 | this.Body = email.Body; |
| 30 | } |
| 31 | |
| 32 | /* |
| 33 | * HEADERS |
| 34 | */ |
| 35 | [JsonPropertyName("from")] |
| 36 | public EmailAddress From { get; set; } |
| 37 | [JsonPropertyName("to")] |
| 38 | public List<EmailAddress> To { get; set; } |
| 39 | [JsonPropertyName("cc")] |
| 40 | public List<EmailAddress> Cc { get; set; } |
| 41 | [JsonPropertyName("bcc")] |
| 42 | public List<EmailAddress> Bcc { get; set; } |
| 43 | [JsonPropertyName("subject")] |
| 44 | public string Subject { get; set; } |
| 45 | [JsonPropertyName("sentOn")] |
| 46 | public DateTime SentOn { get; set; } |
| 47 | [JsonPropertyName("receivedOn")] |
| 48 | public DateTime? ReceivedOn { get; set; } |
| 49 | [JsonPropertyName("importance")] |
| 50 | public string Importance { get; set; } |
| 51 | [JsonPropertyName("threadId")] |
| 52 | public string ThreadId { get; set; } |
| 53 | |
| 54 | [JsonPropertyName("sourcePath")] |
| 55 | public string SourcePath { get; set; } |
| 56 | |
| 57 | /* |
| 58 | * BODY |
| 59 | */ |
| 60 | [JsonPropertyName("body")] |
| 61 | public string Body { get; set; } |
| 62 | |
| 63 | public string ToJson() |
| 64 | { |
| 65 | return Json.Stringify(this); |
| 66 | } |
| 67 | |
| 68 | public void Save(string filePath) |
| 69 | { |
| 70 | File.WriteAllText(filePath, ToJson()); |
| 71 | } |
| 72 | |
| 73 | public static Email Load(string filePath) |
| 74 | { |
| 75 | string json = File.ReadAllText(filePath); |
| 76 | return Json.Parse<Email>(json); |
| 77 | } |
| 78 | |
| 79 | public override string ToString() |
| 80 | { |
| 81 | return ToString(true); |
| 82 | } |
| 83 | |
| 84 | public string ToString(bool includeBody) |
| 85 | { |
| 86 | StringBuilder sb = new StringBuilder(); |
| 87 | if (From != null) |
| 88 | { |
| 89 | sb.AppendHeader("From", From.ToString()); |
| 90 | } |
| 91 | if (To != null) |
| 92 | { |
| 93 | sb.AppendHeader("To", To.Join()); |
| 94 | } |
| 95 | if (Cc != null) |
| 96 | { |
| 97 | sb.AppendHeader("Cc", Cc.Join()); |
| 98 | } |
| 99 | if (Bcc != null) |
| 100 | { |
| 101 | sb.AppendHeader("Bcc", Bcc.Join()); |
| 102 | } |
| 103 | sb.AppendHeader("Subject", Subject); |
| 104 | sb.AppendHeader("Sent", SentOn.ToString()); |
| 105 | sb.AppendHeader("Received", ReceivedOn.ToString()); |
| 106 | sb.AppendHeader("Importance", Importance); |
| 107 | sb.AppendHeader("SourcePath", SourcePath); |
| 108 | if (includeBody && !string.IsNullOrEmpty(Body)) |
| 109 | { |
| 110 | sb.AppendLine(); |
| 111 | sb.AppendLine(Body); |
| 112 | } |
| 113 | return sb.ToString(); |
| 114 | } |
| 115 | |
| 116 | public static Email FromText(string emailText) |
| 117 | { |
| 118 | Email email = new Email(); |
| 119 | foreach (var part in MailParser.Default.ParseParts(emailText)) |
| 120 | { |
| 121 | switch (part.Key.ToLower()) |
| 122 | { |
| 123 | default: |
| 124 | break; |
| 125 | case "from": |
| 126 | email.From = EmailAddress.FromString(part.Value); |
| 127 | break; |
| 128 | case "to": |
| 129 | email.To = EmailAddress.ListFromString(part.Value); |
| 130 | break; |
| 131 | case "cc": |
| 132 | email.Cc = EmailAddress.ListFromString(part.Value); |
| 133 | break; |
| 134 | case "bcc": |
| 135 | email.Bcc = EmailAddress.ListFromString(part.Value); |
| 136 | break; |
| 137 | case "subject": |
| 138 | email.Subject = part.Value; |
| 139 | break; |
| 140 | case "sent": |
| 141 | email.SentOn = DateTime.Parse(part.Value); |
| 142 | break; |
| 143 | case "received": |
| 144 | email.ReceivedOn = DateTime.Parse(part.Value); |
| 145 | break; |
| 146 | case "body": |
| 147 | email.Body = part.Value; |
| 148 | break; |
| 149 | case "importance": |
| 150 | email.Importance = part.Value; |
| 151 | break; |
| 152 | case "threadid": |
| 153 | email.ThreadId = part.Value; |
| 154 | break; |
| 155 | } |
| 156 | } |
| 157 | return email; |
| 158 | } |
| 159 | |
| 160 | void Load(MailItem item) |
| 161 | { |
| 162 | LoadRecipients(item); |
| 163 | From = item.Sender != null ? new EmailAddress(SmtpAddressOf(item.Sender), item.Sender.Name) : null; |
| 164 | Subject = item.Subject; |
| 165 | SentOn = item.SentOn; |
| 166 | ReceivedOn = item.ReceivedTime; |
| 167 | Importance = GetImportance(item); |
| 168 | ThreadId = item.ConversationID; |
| 169 | LoadBody(item); |
| 170 | } |
| 171 | |
| 172 | void LoadRecipients(MailItem mail) |
| 173 | { |
| 174 | Recipients recipients = mail.Recipients; |
| 175 | try |
| 176 | { |
| 177 | foreach (Recipient recipient in recipients) |
| 178 | { |
| 179 | try |
| 180 | { |
| 181 | LoadRecipient(recipient); |
| 182 | } |
| 183 | finally |
| 184 | { |
| 185 | COMObject.Release(recipient); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | } |
| 190 | finally |
| 191 | { |
| 192 | COMObject.Release(recipients); |
| 193 | recipients = null; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | bool LoadRecipient(Recipient recipient) |
| 198 | { |
| 199 | if (!recipient.Resolve()) |
| 200 | { |
| 201 | return false; |
| 202 | } |
| 203 | EmailAddress emailAddress = new EmailAddress(SmtpAddressOf(recipient) ?? string.Empty, recipient.Name); |
| 204 | switch (recipient.Type) |
| 205 | { |
| 206 | default: |
| 207 | break; |
| 208 | case (int)OlMailRecipientType.olTo: |
| 209 | To ??= new List<EmailAddress>(); |
| 210 | To.Add(emailAddress); |
| 211 | break; |
| 212 | case (int)OlMailRecipientType.olCC: |
| 213 | Cc ??= new List<EmailAddress>(); |
| 214 | Cc.Add(emailAddress); |
| 215 | break; |
| 216 | case (int)OlMailRecipientType.olBCC: |
| 217 | Bcc ??= new List<EmailAddress>(); |
| 218 | Bcc.Add(emailAddress); |
| 219 | break; |
| 220 | } |
| 221 | return true; |
| 222 | } |
| 223 | |
| 224 | void LoadBody(MailItem item) |
| 225 | { |
| 226 | string body = item.Body; |
| 227 | body = BodyParser.Default.GetLatest(body); |
| 228 | Body = body; |
| 229 | } |
| 230 | |
| 231 | string GetImportance(MailItem item) |
| 232 | { |
| 233 | switch (item.Importance) |
| 234 | { |
| 235 | default: |
| 236 | break; |
| 237 | case OlImportance.olImportanceNormal: |
| 238 | return "Normal"; |
| 239 | case OlImportance.olImportanceHigh: |
| 240 | return "High"; |
| 241 | case OlImportance.olImportanceLow: |
| 242 | return "Low"; |
| 243 | } |
| 244 | return null; |
| 245 | } |
| 246 | |
| 247 | string SmtpAddressOf(Recipient recipient) |
| 248 | { |
| 249 | AddressEntry addrEntry = recipient.AddressEntry; |
| 250 | return addrEntry != null ? SmtpAddressOf(addrEntry) : null; |
| 251 | } |
| 252 | |
| 253 | |
| 254 | string SmtpAddressOf(AddressEntry addrEntry) |
| 255 | { |
| 256 | try |
| 257 | { |
| 258 | return addrEntry.AddressEntryUserType != OlAddressEntryUserType.olSmtpAddressEntry |
| 259 | ? SmtpAddressOfExchangeUser(addrEntry) |
| 260 | : addrEntry.Address; |
| 261 | } |
| 262 | finally |
| 263 | { |
| 264 | COMObject.Release(addrEntry); |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | string SmtpAddressOfExchangeUser(AddressEntry addrEntry) |
| 269 | { |
| 270 | ExchangeUser exchUser = addrEntry.GetExchangeUser(); |
| 271 | try |
| 272 | { |
| 273 | return exchUser?.PrimarySmtpAddress; |
| 274 | } |
| 275 | finally |
| 276 | { |
| 277 | COMObject.Release(exchUser); |
| 278 | exchUser = null; |
| 279 | } |
| 280 | } |
| 281 | } |