feat: Implement provisioning pipelines for subscription management
- Add ReactivatePipeline to handle subscription reactivation, including scaling Docker services, health verification, status updates, audit logging, and broadcasting status changes. - Introduce RotateCredentialsPipeline for OAuth2 credential rotation, managing the deletion of old apps, creation of new ones, credential storage, access verification, and audit logging. - Create StepRunner to manage job step execution, including lifecycle management and progress broadcasting via SignalR. - Implement SuspendPipeline for subscription suspension, scaling down services, updating statuses, logging audits, and broadcasting changes. - Add UpdateScreenLimitPipeline to update Xibo CMS screen limits and record snapshots. - Introduce XiboFeatureManifests for hardcoded feature ACLs per role. - Add docker-compose.dev.yml for local development with PostgreSQL setup.
This commit is contained in:
Matt Batchelder
173
OTSSignsOrchestrator.Server/Services/EmailService.cs
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173
OTSSignsOrchestrator.Server/Services/EmailService.cs
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using Microsoft.Extensions.Options;
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using SendGrid;
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using SendGrid.Helpers.Mail;
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namespace OTSSignsOrchestrator.Server.Services;
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public class EmailOptions
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{
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public const string Section = "Email";
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public string SendGridApiKey { get; set; } = string.Empty;
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public string SenderEmail { get; set; } = "noreply@otssigns.com";
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public string SenderName { get; set; } = "OTS Signs";
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}
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/// <summary>
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/// Email service backed by SendGrid. All methods catch exceptions, log as Error,
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/// and return bool success — they never throw.
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/// </summary>
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public class EmailService
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{
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private readonly ILogger<EmailService> _logger;
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private readonly EmailOptions _options;
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private readonly SendGridClient? _client;
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public EmailService(ILogger<EmailService> logger, IOptions<EmailOptions> options)
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{
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_logger = logger;
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_options = options.Value;
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if (!string.IsNullOrWhiteSpace(_options.SendGridApiKey))
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{
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_client = new SendGridClient(_options.SendGridApiKey);
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}
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else
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{
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_logger.LogWarning("SendGrid API key not configured — emails will be logged only");
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}
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}
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public async Task<bool> SendWelcomeEmailAsync(
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string toEmail, string firstName, string instanceUrl, string invitationLink)
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{
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var subject = "Welcome to OTS Signs — Your CMS is Ready!";
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var html = $"""
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<h2>Welcome to OTS Signs, {HtmlEncode(firstName)}!</h2>
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<p>Your Xibo CMS instance has been provisioned and is ready to use.</p>
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<p><strong>Instance URL:</strong> <a href="{HtmlEncode(instanceUrl)}">{HtmlEncode(instanceUrl)}</a></p>
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<p><strong>Accept your invitation to get started:</strong></p>
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<p><a href="{HtmlEncode(invitationLink)}" style="display:inline-block;padding:12px 24px;background-color:#3B82F6;color:#fff;text-decoration:none;border-radius:6px;">Accept Invitation</a></p>
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<p>If you have any questions, please contact our support team.</p>
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<p>— The OTS Signs Team</p>
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""";
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return await SendEmailAsync(toEmail, subject, html);
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}
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public async Task<bool> SendPaymentFailedEmailAsync(
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string toEmail, string companyName, int failedCount)
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{
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var daysSinceFirst = failedCount * 3; // approximate
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string subject;
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string urgency;
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if (daysSinceFirst >= 21)
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{
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subject = $"FINAL NOTICE — Payment Required for {companyName}";
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urgency = "<p style=\"color:#DC2626;font-weight:bold;\">⚠️ FINAL NOTICE: Your service will be suspended if payment is not received immediately.</p>";
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}
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else if (daysSinceFirst >= 7)
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{
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subject = $"URGENT — Payment Failed for {companyName}";
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urgency = "<p style=\"color:#F59E0B;font-weight:bold;\">⚠️ URGENT: Please update your payment method to avoid service interruption.</p>";
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}
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else
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{
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subject = $"Payment Failed for {companyName}";
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urgency = "<p>Please update your payment method at your earliest convenience.</p>";
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}
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var html = $"""
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<h2>Payment Failed — {HtmlEncode(companyName)}</h2>
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{urgency}
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<p>We were unable to process your payment (attempt #{failedCount}).</p>
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<p>Please update your payment method to keep your OTS Signs service active.</p>
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<p>— The OTS Signs Team</p>
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""";
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return await SendEmailAsync(toEmail, subject, html);
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}
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public async Task<bool> SendTrialEndingEmailAsync(
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string toEmail, string firstName, DateTime trialEndDate)
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{
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var daysLeft = (int)Math.Ceiling((trialEndDate - DateTime.UtcNow).TotalDays);
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var subject = $"Your OTS Signs Trial Ends in {Math.Max(0, daysLeft)} Day{(daysLeft != 1 ? "s" : "")}";
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var html = $"""
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<h2>Hi {HtmlEncode(firstName)},</h2>
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<p>Your OTS Signs trial ends on <strong>{trialEndDate:MMMM dd, yyyy}</strong>.</p>
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<p>To continue using your CMS without interruption, please subscribe before your trial expires.</p>
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<p>— The OTS Signs Team</p>
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""";
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return await SendEmailAsync(toEmail, subject, html);
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}
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public async Task<bool> SendReportEmailAsync(
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string toEmail, string attachmentName, byte[] attachment, string mimeType)
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{
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var subject = $"OTS Signs Report — {attachmentName}";
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var html = $"""
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<h2>OTS Signs Report</h2>
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<p>Please find the attached report: <strong>{HtmlEncode(attachmentName)}</strong></p>
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<p>This report was generated automatically by the OTS Signs Orchestrator.</p>
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<p>— The OTS Signs Team</p>
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""";
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return await SendEmailAsync(toEmail, subject, html, attachmentName, attachment, mimeType);
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}
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private async Task<bool> SendEmailAsync(
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string toEmail,
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string subject,
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string htmlContent,
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string? attachmentName = null,
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byte[]? attachmentData = null,
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string? attachmentMimeType = null)
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{
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try
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{
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if (_client is null)
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{
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_logger.LogWarning(
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"SendGrid not configured — would send email to {Email}: {Subject}",
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toEmail, subject);
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return true; // Not a failure — just not configured
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}
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var from = new EmailAddress(_options.SenderEmail, _options.SenderName);
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var to = new EmailAddress(toEmail);
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var msg = MailHelper.CreateSingleEmail(from, to, subject, null, htmlContent);
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if (attachmentData is not null && attachmentName is not null)
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{
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msg.AddAttachment(
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attachmentName,
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Convert.ToBase64String(attachmentData),
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attachmentMimeType ?? "application/octet-stream");
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}
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var response = await _client.SendEmailAsync(msg);
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if (response.IsSuccessStatusCode)
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{
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_logger.LogInformation("Email sent to {Email}: {Subject}", toEmail, subject);
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return true;
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}
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var body = await response.Body.ReadAsStringAsync();
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_logger.LogError(
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"SendGrid returned {StatusCode} for email to {Email}: {Body}",
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response.StatusCode, toEmail, body);
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return false;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to send email to {Email}: {Subject}", toEmail, subject);
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return false;
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}
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}
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private static string HtmlEncode(string value) =>
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System.Net.WebUtility.HtmlEncode(value);
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}
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