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@rpdudley rpdudley requested a review from Copilot November 19, 2025 06:50
Copilot finished reviewing on behalf of rpdudley November 19, 2025 06:53
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Pull Request Overview

This PR introduces email functionality to the OcStockAPI, adding password reset and welcome email capabilities. It also simplifies the application by removing the SuperKey authentication middleware, making database configuration stricter (PostgreSQL only), and enhancing the test controller with additional database inspection endpoints.

  • Email Service: New IEmailService interface and EmailService implementation for sending password reset and welcome emails with HTML templates
  • Configuration Updates: Added EmailService configuration section with SMTP settings and detailed setup documentation
  • Authentication Simplification: Removed SuperKey authentication middleware, made JWT optional in development mode
  • Database Enforcement: Removed in-memory database fallback, now requires PostgreSQL connection with automatic migrations
  • Development Improvements: Enhanced TestController with database table inspection and summary endpoints (DEBUG-only)

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 20 comments.

Show a summary per file
File Description
OcStockAPI/Services/Email/IEmailService.cs New interface defining email service contract with methods for password reset, welcome, and generic emails
OcStockAPI/Services/Email/EmailService.cs Complete email service implementation with SMTP client, HTML email templates, and configuration validation
OcStockAPI/appsettings.json Added EmailService configuration section with SMTP settings and comprehensive documentation for Gmail/SendGrid
OcStockAPI/Services/Auth/AuthService.cs Integrated email service to send welcome emails on registration and password reset emails with token logging fallback
OcStockAPI/Program.cs Major refactoring: removed in-memory DB support, made PostgreSQL mandatory, added auto-migrations, simplified JWT/auth configuration for dev mode
OcStockAPI/Controllers/TrackedStocksController.cs Changed to allow anonymous access in DEBUG builds for easier development testing
OcStockAPI/Controllers/TestController.cs Enhanced with new database inspection endpoints, removed SuperKey test endpoint, wrapped entire controller in DEBUG conditional compilation
OcStockAPI/Middleware/SuperKeyAuthenticationMiddleware.cs Removed entire SuperKey authentication system (100 lines deleted)
OcStockAPI/OcStockAPI.csproj Removed empty wwwroot folder reference
OcStockAPI/DataContext/OcStockDbContextFactory.cs Removed unused imports (Microsoft.EntityFrameworkCore, Microsoft.Extensions.Configuration)
OcStockAPI/DataContext/DpapiDbContext.cs Removed unused imports (Microsoft.EntityFrameworkCore, Microsoft.AspNetCore.Identity, OcStockAPI.Entities.Identity)

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Comment on lines +545 to +555
private static string MaskConnectionString(string connectionString)
{
if (string.IsNullOrEmpty(connectionString))
return "Not configured";

return System.Text.RegularExpressions.Regex.Replace(
connectionString,
@"Password=[^;]+",
"Password=***"
);
}
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The MaskConnectionString helper method is duplicated in two places: in Program.cs (lines 69-76) and in TestController.cs (lines 545-555). This code duplication violates DRY principles and makes maintenance harder. Consider extracting this to a shared utility class or helper method that both can use.

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Comment on lines +27 to +48
var portString = Environment.GetEnvironmentVariable("EmailService__SmtpPort")
?? configuration["EmailService:SmtpPort"];
_smtpPort = int.TryParse(portString, out var port) ? port : 587;

_smtpUsername = Environment.GetEnvironmentVariable("EmailService__SmtpUsername")
?? configuration["EmailService:SmtpUsername"];

_smtpPassword = Environment.GetEnvironmentVariable("EmailService__SmtpPassword")
?? configuration["EmailService:SmtpPassword"];

_fromEmail = Environment.GetEnvironmentVariable("EmailService__FromEmail")
?? configuration["EmailService:FromEmail"];

_fromName = Environment.GetEnvironmentVariable("EmailService__FromName")
?? configuration["EmailService:FromName"]
?? "OcStock API";

// Check if email service is properly configured
_isConfigured = !string.IsNullOrEmpty(_smtpServer)
&& !string.IsNullOrEmpty(_smtpUsername)
&& !string.IsNullOrEmpty(_smtpPassword)
&& !string.IsNullOrEmpty(_fromEmail);
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The email service configuration validation checks for required fields (lines 45-48) but doesn't validate the _smtpPort value. If the port configuration is invalid or missing, it silently defaults to 587. This could mask configuration errors. Consider adding validation to ensure the port is within valid range (1-65535) and logging a warning if it falls back to the default.

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</div>
<div class='footer'>
<p>This is an automated email from OcStock API</p>
<p>© 2024 OcStock API. All rights reserved.</p>
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The copyright symbol © appears corrupted in the email template. This will display incorrectly in emails sent to users. Consider using the HTML entity &copy; instead for proper rendering across all email clients.

Suggested change
<p> 2024 OcStock API. All rights reserved.</p>
<p>&copy; 2024 OcStock API. All rights reserved.</p>

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Comment on lines +158 to +192
var subject = "Welcome to OcStock API! ??";

var htmlBody = $@"
<!DOCTYPE html>
<html>
<head>
<style>
body {{ font-family: Arial, sans-serif; line-height: 1.6; color: #333; }}
.container {{ max-width: 600px; margin: 0 auto; padding: 20px; }}
.header {{ background-color: #4CAF50; color: white; padding: 20px; text-align: center; }}
.content {{ padding: 20px; background-color: #f9f9f9; }}
.feature {{ padding: 10px; margin: 10px 0; background-color: white; border-radius: 4px; }}
.footer {{ padding: 20px; text-align: center; color: #666; font-size: 12px; }}
</style>
</head>
<body>
<div class='container'>
<div class='header'>
<h1>?? Welcome to OcStock API!</h1>
</div>
<div class='content'>
<p>Hello {userName},</p>
<p>Thank you for registering with OcStock API! Your account has been successfully created.</p>
<h3>What you can do:</h3>
<div class='feature'>?? <strong>Track Stocks:</strong> Monitor up to 20 stocks simultaneously</div>
<div class='feature'>?? <strong>Market News:</strong> Get latest news for your tracked stocks</div>
<div class='feature'>?? <strong>Economic Data:</strong> Access CPI, unemployment, and interest rates</div>
<div class='feature'>?? <strong>Stock History:</strong> View historical performance data</div>
<p>Start exploring by logging into your account and adding stocks to track!</p>
</div>
<div class='footer'>
<p>This is an automated email from OcStock API</p>
<p>© 2024 OcStock API. All rights reserved.</p>
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Multiple emoji characters in the welcome email template appear corrupted (shown as ??). These include the party popper emoji on line 158, the welcome hand emoji on line 176, and feature icons on lines 183-186. Additionally, the copyright symbol on line 192 is corrupted. These encoding issues will cause the email to display incorrectly. Use HTML entities or descriptive text instead.

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public class EmailService : IEmailService
{
private readonly IConfiguration _configuration;
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The _configuration field is injected and stored but never used in the class. Consider removing it to reduce unnecessary dependencies, or if it's intended for future use, add a comment explaining its purpose.

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Start exploring by logging into your account and adding stocks to track!
This is an automated email from OcStock API
© 2024 OcStock API. All rights reserved.
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The copyright symbol © in the plain text welcome email template appears corrupted. Use (c) or ensure proper character encoding.

Suggested change
2024 OcStock API. All rights reserved.
(c) 2024 OcStock API. All rights reserved.

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Console.WriteLine("?? To set via user secrets:");
Console.WriteLine(" dotnet user-secrets set \"ConnectionStrings:DefaultConnection\" \"your-connection-string\"");
Console.WriteLine();
throw new InvalidOperationException("Database connection string is not configured. Application cannot start without PostgreSQL connection.");
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Generic catch clause.

Suggested change
throw new InvalidOperationException("Database connection string is not configured. Application cannot start without PostgreSQL connection.");
throw new InvalidOperationException("Database connection string is not configured. Application cannot start without PostgreSQL connection.", ex);

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Comment on lines +92 to +95
catch (Exception emailEx)
{
_logger.LogWarning(emailEx, "Failed to send welcome email to {Email}", user.Email);
}
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Generic catch clause.

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Comment on lines +294 to +299
catch (Exception emailEx)
{
_logger.LogError(emailEx, "Error sending password reset email to {Email}", forgotPasswordDto.Email);
// Log token as fallback
_logger.LogInformation("Password reset token for {Email}: {Token}", forgotPasswordDto.Email, token);
}
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Generic catch clause.

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Comment on lines +256 to +260
catch (Exception ex)
{
_logger.LogError(ex, "Error sending email to {ToEmail}", toEmail);
return false;
}
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Generic catch clause.

Suggested change
catch (Exception ex)
{
_logger.LogError(ex, "Error sending email to {ToEmail}", toEmail);
return false;
}
catch (FormatException ex)
{
_logger.LogError(ex, "Invalid email address format for {ToEmail}: {Error}", toEmail, ex.Message);
return false;
}
catch (ArgumentException ex)
{
_logger.LogError(ex, "Argument error sending email to {ToEmail}: {Error}", toEmail, ex.Message);
return false;
}

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2 participants