private async Task <string> GetVerificationEmailHtml(string verifyUrl)
{
var getTemplateInput = new GetTemplateInput
{
TemplateType = TemplateTypes.Alert,
SimpleVariableValues = new Dictionary <string, string>
{
{ TemplateVariables.Heading, $"Verify your email" }
},
BodyParagraphs = new List <BodyParagraph>
{
new BodyParagraph {
HtmlText = $"Hello, please click the button below to verify your email address. This is required before you can receive new album emails:"
},
new BodyParagraph {
HtmlText = "Verify", ButtonUrl = verifyUrl
},
new BodyParagraph {
HtmlText = $"Thanks for using New Albums via Email."
}
}
};
var template = await _templateManager.GetHtmlEmailTemplate(getTemplateInput);
return(template.ToString());
}
public async Task <StringBuilder> GetHtmlEmailTemplate(GetTemplateInput input)
{
using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream($"NewAlbums.Emails.Templates.{input.TemplateType}.html"))
{
using (var memoryStream = new MemoryStream())
{
await stream.CopyToAsync(memoryStream);
var bytes = memoryStream.ToArray();
var template = new StringBuilder(Encoding.UTF8.GetString(bytes, 0, bytes.Length));
ReplaceVariables(ref template, input);
return(template);
}
}
}
private async Task <string> GetNotificationAlbumHtml(NotifySubscribersInput input, string unsubscribeArtistUrl, string unsubscribeAllUrl)
{
string albumImageWidth = "280";
var getTemplateInput = new GetTemplateInput
{
TemplateType = TemplateTypes.Alert,
SimpleVariableValues = new Dictionary <string, string>
{
{ TemplateVariables.Heading, $"New album from {input.Artist.Name}" }
},
BodyParagraphs = new List <BodyParagraph>
{
new BodyParagraph {
HtmlText = $"Good news, {input.Artist.Name} just released a new album: {HttpUtility.HtmlEncode(input.Album.Name)}."
},
new BodyParagraph {
HtmlText = $"<img alt=\"{HttpUtility.HtmlEncode(input.Album.Name)}\" src=\"{input.Album.Image.Url}\" width=\"{albumImageWidth}\" height=\"{albumImageWidth}\" />"
},
new BodyParagraph {
HtmlText = "Click Here to Listen", ButtonUrl = $"{Album.GetSpotifyUrl(input.Album.SpotifyId)}"
}
},
FooterLines = new List <FooterLine>
{
new FooterLine {
HtmlText = _templateManager.GetEmailLink(unsubscribeArtistUrl, "Unsubscribe", null, "12px") + " from new albums for this artist."
},
new FooterLine {
HtmlText = _templateManager.GetEmailLink(unsubscribeAllUrl, "Unsubscribe", null, "12px") + " from all new albums from us."
}
}
};
var template = await _templateManager.GetHtmlEmailTemplate(getTemplateInput);
return(template.ToString());
}
public WorkFlowTemplateDto GetTemplate(GetTemplateInput input)
{
throw new NotImplementedException();
}
private void ReplaceVariables(ref StringBuilder template, GetTemplateInput input)
{
//Common variables
string primaryColour = _configuration[AppSettingKeys.Style.PrimaryColour];
string textColourOnPrimary = _configuration[AppSettingKeys.Style.TextColourOnPrimary];
template.Replace($"{{{TemplateVariables.PrimaryColour}}}", primaryColour);
template.Replace($"{{{TemplateVariables.BackgroundColour}}}", _configuration[AppSettingKeys.Style.BackgroundColour]);
template.Replace($"{{{TemplateVariables.FrontEndRootUrl}}}", _configuration[AppSettingKeys.App.FrontEndRootUrl]);
//Other variables specific to this email
foreach (var key in input.SimpleVariableValues.Keys)
{
template.Replace($"{{{key}}}", input.SimpleVariableValues[key]);
}
//Body
var bodyHtml = new StringBuilder();
foreach (var paragraph in input.BodyParagraphs)
{
bodyHtml.Append($"{EmailRowHtml}{BodyCellHtml}");
if (String.IsNullOrWhiteSpace(paragraph.ButtonUrl))
{
bodyHtml.Append($"{paragraph.HtmlText}");
}
else
{
bodyHtml.Append($"<a href=\"{paragraph.ButtonUrl}\" target=\"_blank\" rel=\"noopener\" class=\"btn-primary\" style=\"font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; "
+ $"box-sizing: border-box; font-size: 14px; color: {textColourOnPrimary}; text-decoration: none; line-height: 2em; font-weight: bold; "
+ $"text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; background-color: {primaryColour}; "
+ $"margin: 0; border-color: {primaryColour}; border-style: solid; border-width: 10px 20px;\">{paragraph.HtmlText}</a>");
}
bodyHtml.Append("</td></tr>");
}
template.Replace($"{{{TemplateVariables.Body}}}", bodyHtml.ToString());
//Footer
var footerHtml = new StringBuilder();
//Append provided lines first
foreach (var line in input.FooterLines)
{
footerHtml.Append($"{EmailRowHtml}{FooterCellHtml}{line.HtmlText}</td></tr>");
}
//Then append generic lines for all emails
string frontEndRootUrl = _configuration[AppSettingKeys.App.FrontEndRootUrl];
// string contactEmailAddress = _configuration[AppSettingKeys.App.ContactEmailAddress];
string spotifyLogoUrl = frontEndRootUrl.EnsureEndsWith('/') + "images/spotify-logo-white.png";
footerHtml.Append($"{EmailRowHtml}{FooterCellHtml}{GetEmailLink(frontEndRootUrl, frontEndRootUrl, null, "12px")}</td></tr>");
// footerHtml.Append($"{EmailRowHtml}{FooterCellHtml}{GetEmailLink($"mailto:{contactEmailAddress}", contactEmailAddress, null, "12px")}</td></tr>");
footerHtml.Append($"{EmailRowHtml}{FooterCellHtml}Artist and album content including cover art supplied by:</td></tr>");
footerHtml.Append($"{EmailRowHtml}{FooterCellHtml}<img alt=\"Spotify logo\" src=\"{spotifyLogoUrl}\" width=\"80\" height=\"24\" style=\"width: 80px; height: 24px; margin: 0; outline: none;\" /></td></tr>");
template.Replace($"{{{TemplateVariables.Footer}}}", footerHtml.ToString());
}
