Evolve summarizer into AI service with OCR support

JobTrackerApi/Controllers/AdminSystemController.cs

@@ -44,7 +44,7 @@ public sealed class AdminSystemController : ControllerBase
         DatabaseStatusDto Database,
         RuntimeStatusDto Runtime,
         AuthStatusDto Auth,
-        SummarizerMetrics Summarizer
+        AiServiceMetrics Ai
     );
 
     private static string? NormalizeBuildMetadata(string? value)
@@ -62,6 +62,7 @@ public sealed class AdminSystemController : ControllerBase
         return trimmed;
     }
 
+    [HttpPost("ai/probe")]
     [HttpPost("summarizer/probe")]
     public async Task<IActionResult> RunSummarizerProbe(CancellationToken cancellationToken)
     {
@@ -79,7 +80,7 @@ public sealed class AdminSystemController : ControllerBase
 
         var jobs = await _db.JobApplications.AsNoTracking().ToListAsync(cancellationToken);
         var companies = await _db.Companies.AsNoTracking().CountAsync(cancellationToken);
-        var summarizer = await _summarizer.GetMetricsAsync(cancellationToken);
+        var ai = await _summarizer.GetMetricsAsync(cancellationToken);
 
         var version = NormalizeBuildMetadata(_cfg["App:Version"]);
         if (string.IsNullOrWhiteSpace(version))
@@ -180,7 +181,7 @@ public sealed class AdminSystemController : ControllerBase
                 GoogleConfigured: !string.IsNullOrWhiteSpace((_cfg["Auth:GoogleClientId"] ?? string.Empty).Trim()),
                 GmailConfigured: gmailConfigured
             ),
-            Summarizer: summarizer
+            Ai: ai
         ));
     }
 }

JobTrackerApi/Controllers/JobApplicationsController.cs

@@ -1838,8 +1838,9 @@ Candidate master CV:
             return NoContent();
         }
 
+        [HttpGet("ai-metrics")]
         [HttpGet("summarizer-metrics")]
-        public async Task<ActionResult<SummarizerMetrics>> GetSummarizerMetrics(CancellationToken cancellationToken)
+        public async Task<ActionResult<AiServiceMetrics>> GetSummarizerMetrics(CancellationToken cancellationToken)
         {
             var metrics = await _summarizer.GetMetricsAsync(cancellationToken);
             return Ok(metrics);

JobTrackerApi/Controllers/ProfileCvController.cs

@@ -1,5 +1,6 @@
 using System.Text;
 using System.Text.RegularExpressions;
+using JobTrackerApi.Services;
 using JobTrackerApi.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Identity;
@@ -18,15 +19,21 @@ public sealed class ProfileCvController : ControllerBase
         ".md",
         ".pdf",
         ".docx",
+        ".png",
+        ".jpg",
+        ".jpeg",
+        ".webp",
     };
 
     private const long MaxFileSizeBytes = 5 * 1024 * 1024;
 
     private readonly UserManager<ApplicationUser> _users;
+    private readonly ISummarizerService _aiService;
 
-    public ProfileCvController(UserManager<ApplicationUser> users)
+    public ProfileCvController(UserManager<ApplicationUser> users, ISummarizerService aiService)
     {
         _users = users;
+        _aiService = aiService;
     }
 
     [HttpPost("upload")]
@@ -41,10 +48,34 @@ public sealed class ProfileCvController : ControllerBase
         var extension = Path.GetExtension(file.FileName ?? string.Empty);
         if (!AllowedExtensions.Contains(extension))
         {
-            return BadRequest("Only .txt, .md, .pdf, and .docx CV imports are supported right now.");
+            return BadRequest("Only .txt, .md, .pdf, .docx, .png, .jpg, .jpeg, and .webp CV imports are supported right now.");
         }
 
-        var text = (await ExtractTextAsync(file, extension)).Trim();
+        string text;
+        var canUseAiExtraction = string.Equals(extension, ".pdf", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".docx", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".txt", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".md", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".png", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".jpg", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".jpeg", StringComparison.OrdinalIgnoreCase)
+            || string.Equals(extension, ".webp", StringComparison.OrdinalIgnoreCase);
+
+        if (canUseAiExtraction)
+        {
+            await using var uploadStream = file.OpenReadStream();
+            var extracted = await _aiService.ExtractTextAsync(uploadStream, file.FileName ?? $"cv{extension}", file.ContentType, HttpContext.RequestAborted);
+            text = extracted?.Text?.Trim() ?? string.Empty;
+        }
+        else
+        {
+            text = string.Empty;
+        }
+
+        if (string.IsNullOrWhiteSpace(text))
+        {
+            text = (await ExtractTextAsync(file, extension)).Trim();
+        }
         if (string.IsNullOrWhiteSpace(text))
         {
             return BadRequest("The uploaded CV file could not be read or was empty.");