emailutility.cs

一个ASP.NET下的中文内容管理和社区系统

        //*********************************************************************
        //
        // SendFormattedEmail Method
        //
        // Sends a single email with formatting applied to it. For
        // example, <Username> is replaced with a username.
        //
        //*********************************************************************

        public static void SendFormattedEmail
        (
            string from,
            MessageInfo messageInfo,
            ProfileInfo profileInfo,
            string smtpServer
        ) {
            // format the text
            messageInfo.Title = FormatUserText
                (                
                    messageInfo.Title,
                    MailFormat.Text,
                    profileInfo.Username,
                    profileInfo.Password,
                    profileInfo.FirstName,
                    profileInfo.LastName
                );
            
            messageInfo.Body = FormatUserText
                (                
                    messageInfo.Body,
                    MailFormat.Text,
                    profileInfo.Username,
                    profileInfo.Password,
                    profileInfo.FirstName,
                    profileInfo.LastName
            
                );
                
            messageInfo.Body = FormatContentText(messageInfo.Body, MailFormat.Text);
            
            // Send the email
            SendEmail
                (
                    from,
                    profileInfo.Email,
                    messageInfo.Title,
                    messageInfo.Body,
                    MailFormat.Text,
                    smtpServer
                );
        
        
        }    


        //*********************************************************************
        //
        // FormatEmailText Method
        //
        // Formats email text without sending the email.
        //
        //*********************************************************************

        public static string FormatEmailText
        (
            string text,
            MailFormat bodyFormat,
            ProfileInfo profileInfo
        ) {
            // Format Content Text
            text = FormatContentText(text, bodyFormat);
            
            // Get and apply user specific formatting
            text = FormatUserText
            (
                text,
                bodyFormat,
                profileInfo.Username,
                profileInfo.Password,
                profileInfo.FirstName,
                profileInfo.LastName
            );
           
            return text;
        }
        

        //*********************************************************************
        //
        // FormatUserText Method
        //
        // Formats text with user specific information.
        //
        //*********************************************************************

        public static string FormatUserText
        (
            string text,
            MailFormat bodyFormat,
            string username,
            string password,
            string firstName,
            string lastName
        ) {
            string matchString;

            // Get base url
            string baseUrl = CommunityGlobals.ResolveAbsoluteUrl(CommunityGlobals.AppPath);
            
            // Replace username
            matchString = Regex.Escape("<Username>");
            text = Regex.Replace(text, matchString, username);

            // Replace password
            matchString = Regex.Escape("<Password>");
            text = Regex.Replace(text, matchString, password);

            // Replace first name
            matchString = Regex.Escape("<FirstName>");
            text = Regex.Replace(text, matchString, firstName);

            // Replace last name
            matchString = Regex.Escape("<LastName>");
            text = Regex.Replace(text, matchString, lastName);

            // Replace full name
            matchString = Regex.Escape("<FullName>");
            text = Regex.Replace(text, matchString, firstName + " " + lastName);

            // Replace Edit Profile Link
            matchString = Regex.Escape("<EditProfileLink>");
            if (bodyFormat == MailFormat.Html)
                text = Regex.Replace(text, matchString, String.Format("<a href=\"{0}\">{0}</a>", baseUrl + "/Users_EditProfile.aspx"));
            else
                text = Regex.Replace(text, matchString, baseUrl + "/Users_EditProfile.aspx");
        
            // Replace Home Link
            matchString = Regex.Escape("<HomeLink>");
            if (bodyFormat == MailFormat.Html)
                text = Regex.Replace(text, matchString, String.Format("<a href=\"{0}\">{0}</a>", baseUrl + "/Default.aspx"));
            else
                text = Regex.Replace(text, matchString, baseUrl + "/Default.aspx");
        
            return text;
        }

        
        
        //*********************************************************************
        //
        // FormatContentText Method
        //
        // Formats email text with content specific information.
        //
        //*********************************************************************
   
        public static string FormatContentText(string text, MailFormat bodyFormat) {
            string matchText;

            // Replace new articles
            matchText = Regex.Escape("<NewArticles>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Article"), bodyFormat));

            // Replace new events
            matchText = Regex.Escape("<NewEvents>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Event"), bodyFormat));

            // Replace new books
            matchText = Regex.Escape("<NewBooks>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Book"), bodyFormat));

            // Replace new links
            matchText = Regex.Escape("<NewLinks>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Link"), bodyFormat));

            // Replace new downloads
            matchText = Regex.Escape("<NewDownloads>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Download"), bodyFormat));

            // Replace new photos
            matchText = Regex.Escape("<NewPhotos>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Photo"), bodyFormat));

            // Replace new discuss
            matchText = Regex.Escape("<NewDiscuss>");
            if (Regex.IsMatch(text, matchText))
                text = Regex.Replace(text, matchText, FormatContentCollection(ContentPageUtility.GetNewContent("Post"), bodyFormat));

            return text;
        }
    

        //*********************************************************************
        //
        // FormatContentCollection Method
        //
        // Formats a collection of content items (events, articles, etc)
        // and returns the formatted string. 
        //
        //*********************************************************************
    
        public static string FormatContentCollection(ArrayList colContent, MailFormat bodyFormat) {
            string contentLink;
            StringBuilder builder = new StringBuilder();
        
            foreach (ContentInfo _contentInfo in colContent) {
                contentLink = ContentPageUtility.CalculateFullContentPath(_contentInfo.SectionID, _contentInfo.ContentPageID);
            
                if (bodyFormat == MailFormat.Html) {
                    builder.Append("<li>");
                    builder.AppendFormat("<a href=\"{0}\">{1}</a>", contentLink, _contentInfo.Title);
                    builder.Append("<br>");
                    builder.Append(CommunityGlobals.FormatPlainText(_contentInfo.BriefDescription));
                    builder.Append("<p>");
                } else {
                    builder.AppendFormat("\n{0}", _contentInfo.Title);
                    builder.AppendFormat("\n   {0}", _contentInfo.BriefDescription);
                    builder.AppendFormat("\n\n   {0}", contentLink);
                    builder.Append("\n     ");
                
                }
            }
            
            return builder.ToString();
        }

    
        //*********************************************************************
        //
        // EmailUtility Constructor
        //
        // Use a private constructor for a class with static methods.
        //
        //*********************************************************************

        private EmailUtility() {}
    }
}