Merge pull request 'feat: language-aware match results + full controller documentation' (#13) from main into staging

Merge PR #13: feat: language-aware match results + full controller documentation

Apis/api-models/Requests/JobMatchRequest.cs

@@ -8,4 +8,6 @@ public sealed class JobMatchRequest
     public bool GdprConsent { get; set; }
     public string? Email { get; set; }
     public string? CaptchaToken { get; set; }
+    /// <summary>ISO 639-1 language code for the match result (e.g. "en", "ro"). Defaults to "en".</summary>
+    public string? Language { get; set; }
 }

Apis/cv-matcher-api-models/Requests/MatchJobRequest.cs

@@ -7,5 +7,7 @@
         public string? JobDescription { get; set; }
         public bool GdprConsent { get; set; }
         public string? Email { get; set; }
+        /// <summary>ISO 639-1 language code for the match result (e.g. "en", "ro"). Defaults to "en".</summary>
+        public string? Language { get; set; }
     }
 }

Apis/cv-matcher-api/Data/Entities/CvMatchResultEntity.cs

@@ -5,6 +5,7 @@ public sealed class CvMatchResultEntity
     public string Id { get; set; } = string.Empty;
     public string CvDocumentId { get; set; } = string.Empty;
     public string JobDocumentId { get; set; } = string.Empty;
+    public string Language { get; set; } = "en";
     public string ResultJson { get; set; } = string.Empty;
     public int Score { get; set; }
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

Apis/cv-matcher-api/Data/Repositories/Contracts/IMatcherRepository.cs

@@ -5,8 +5,8 @@ namespace Api.Data.Repositories.Contracts;
 public interface IMatcherRepository
 {
     Task InitializeAsync(CancellationToken ct);
-    Task<JobMatchResponse?> GetMatchAsync(string cvDocumentId, string jobDocumentId, CancellationToken ct);
-    Task SaveMatchAsync(string cvDocumentId, string jobDocumentId, JobMatchResponse response, CancellationToken ct);
+    Task<JobMatchResponse?> GetMatchAsync(string cvDocumentId, string jobDocumentId, string language, CancellationToken ct);
+    Task SaveMatchAsync(string cvDocumentId, string jobDocumentId, string language, JobMatchResponse response, CancellationToken ct);
     Task<string?> GetChatCompletionAsync(string cacheKey, CancellationToken ct);
     Task SaveChatCompletionAsync(string cacheKey, string model, decimal temperature, string responseText, CancellationToken ct);
 }

Apis/cv-matcher-api/Data/Repositories/EfMatcherRepository.cs

@@ -24,11 +24,11 @@ public sealed class EfMatcherRepository : IMatcherRepository
         //await _db.Database.EnsureCreatedAsync(ct);
     }
 
-    public async Task<JobMatchResponse?> GetMatchAsync(string cvDocumentId, string jobDocumentId, CancellationToken ct)
+    public async Task<JobMatchResponse?> GetMatchAsync(string cvDocumentId, string jobDocumentId, string language, CancellationToken ct)
     {
         var json = await _db.CvMatchResults
             .AsNoTracking()
-            .Where(x => x.CvDocumentId == cvDocumentId && x.JobDocumentId == jobDocumentId)
+            .Where(x => x.CvDocumentId == cvDocumentId && x.JobDocumentId == jobDocumentId && x.Language == language)
             .Select(x => x.ResultJson)
             .FirstOrDefaultAsync(ct);
 
@@ -39,10 +39,10 @@ public sealed class EfMatcherRepository : IMatcherRepository
         return result;
     }
 
-    public async Task SaveMatchAsync(string cvDocumentId, string jobDocumentId, JobMatchResponse response, CancellationToken ct)
+    public async Task SaveMatchAsync(string cvDocumentId, string jobDocumentId, string language, JobMatchResponse response, CancellationToken ct)
     {
         var exists = await _db.CvMatchResults.AnyAsync(
-            x => x.CvDocumentId == cvDocumentId && x.JobDocumentId == jobDocumentId,
+            x => x.CvDocumentId == cvDocumentId && x.JobDocumentId == jobDocumentId && x.Language == language,
             ct);
 
         if (exists) return;
@@ -52,6 +52,7 @@ public sealed class EfMatcherRepository : IMatcherRepository
             Id = Guid.NewGuid().ToString("N"),
             CvDocumentId = cvDocumentId,
             JobDocumentId = jobDocumentId,
+            Language = language,
             ResultJson = JsonSerializer.Serialize(response, new JsonSerializerOptions(JsonSerializerDefaults.Web)),
             Score = response.Score,
             CreatedAt = DateTime.UtcNow

Apis/cv-matcher-api/Migrations/20260524140335_AddLanguageToCvMatchResult.Designer.cs

@@ -0,0 +1,99 @@
+// <auto-generated />
+using System;
+using Api.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    [DbContext(typeof(CvMatcherDbContext))]
+    [Migration("20260524140335_AddLanguageToCvMatchResult")]
+    partial class AddLanguageToCvMatchResult
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("cvMatcher")
+                .HasAnnotation("ProductVersion", "10.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("Api.Data.Entities.CvMatchResultEntity", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("SYSUTCDATETIME()");
+
+                    b.Property<string>("CvDocumentId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("JobDocumentId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("Language")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ResultJson")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Score")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CvDocumentId", "JobDocumentId")
+                        .IsUnique();
+
+                    b.ToTable("Results", "cvMatcher");
+                });
+
+            modelBuilder.Entity("Api.Data.Entities.CvMatcherChatCacheEntity", b =>
+                {
+                    b.Property<string>("CacheKey")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("SYSUTCDATETIME()");
+
+                    b.Property<string>("Model")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("nvarchar(120)");
+
+                    b.Property<string>("ResponseText")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<decimal>("Temperature")
+                        .HasColumnType("decimal(4,2)");
+
+                    b.HasKey("CacheKey");
+
+                    b.ToTable("ChatCache", "cvMatcher");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Apis/cv-matcher-api/Migrations/20260524140335_AddLanguageToCvMatchResult.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddLanguageToCvMatchResult : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Language",
+                schema: "cvMatcher",
+                table: "Results",
+                type: "nvarchar(max)",
+                nullable: false,
+                defaultValue: "en");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Language",
+                schema: "cvMatcher",
+                table: "Results");
+        }
+    }
+}

Apis/cv-matcher-api/Migrations/CvMatcherDbContextModelSnapshot.cs

@@ -44,6 +44,10 @@ namespace Api.Migrations
                         .HasMaxLength(64)
                         .HasColumnType("nvarchar(64)");
 
+                    b.Property<string>("Language")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
                     b.Property<string>("ResultJson")
                         .IsRequired()
                         .HasColumnType("nvarchar(max)");

Apis/cv-matcher-api/Services/CvMatcherService.cs

@@ -69,7 +69,7 @@ public sealed class CvMatcherService : ICvMatcherService
         {
             var job = await _rag.GetDocumentAsync(result.DocumentId, ct);
             if (job is null) continue;
-            jobs.Add(await ScorePairAsync(cv, job, result.MatchedChunks.Select(x => x.Text).ToArray(), request.Email, ct));
+            jobs.Add(await ScorePairAsync(cv, job, result.MatchedChunks.Select(x => x.Text).ToArray(), request.Email, NormalizeLanguage(null), ct));
         }
 
         return new FindJobsResponse { CvDocumentId = request.CvDocumentId, Jobs = jobs };
@@ -98,21 +98,23 @@ public sealed class CvMatcherService : ICvMatcherService
             .FirstOrDefault(x => x.DocumentId == job.DocumentId)?
             .MatchedChunks.Select(x => x.Text).ToArray() ?? [];
 
-        return await ScorePairAsync(cv, jobDocument, matchedChunks, request.Email, ct);
+        return await ScorePairAsync(cv, jobDocument, matchedChunks, request.Email, NormalizeLanguage(request.Language), ct);
     }
 
-    private async Task<JobMatchResponse> ScorePairAsync(RagDocumentDetails cv, RagDocumentDetails job, IReadOnlyList<string> evidenceChunks, string? email, CancellationToken ct)
+    private async Task<JobMatchResponse> ScorePairAsync(RagDocumentDetails cv, RagDocumentDetails job, IReadOnlyList<string> evidenceChunks, string? email, string language, CancellationToken ct)
     {
-        var cached = await _repository.GetMatchAsync(cv.Id, job.Id, ct);
+        var cached = await _repository.GetMatchAsync(cv.Id, job.Id, language, ct);
         if (cached is not null) return cached;
 
         var cvText = Limit(cv.Text, 18000);
         var jobText = Limit(job.Text, 14000);
         var evidence = evidenceChunks.Count > 0 ? string.Join("\n\n", evidenceChunks.Take(4)) : Limit(job.Text, 4000);
+        var languageName = LanguageName(language);
 
-        const string systemPrompt = """
+        var systemPrompt = $$"""
             You are a strict CV-to-job matching engine. Return JSON only. Score realistically from 0 to 100.
             Penalize missing required skills. Do not invent experience. Use concise business language.
+            Respond entirely in {{languageName}} — all text fields in the JSON must be in {{languageName}}.
             JSON shape: {"score":number,"summary":"...","strengths":["..."],"gaps":["..."],"recommendations":["..."],"evidence":["..."]}
             """;
 
@@ -132,7 +134,7 @@ public sealed class CvMatcherService : ICvMatcherService
         result.JobDocumentId = job.Id;
         result.JobUrl = job.SourceUrl;
         result.Cached = false;
-        await _repository.SaveMatchAsync(cv.Id, job.Id, result, ct);
+        await _repository.SaveMatchAsync(cv.Id, job.Id, language, result, ct);
 
         //await _email.SendMatchAsync(
         //    email,
@@ -175,6 +177,16 @@ public sealed class CvMatcherService : ICvMatcherService
         return first ?? "Job description";
     }
 
+    private static string NormalizeLanguage(string? language) =>
+        string.IsNullOrWhiteSpace(language) ? "en" : language.ToLowerInvariant().Split('-')[0].Trim();
+
+    private static string LanguageName(string language) => language switch
+    {
+        "ro" => "Romanian",
+        "en" => "English",
+        _ => "English"
+    };
+
     private static string Limit(string value, int max) => value.Length <= max ? value : value[..max];
 
     //private static string BuildEmailBody(RagDocumentDetails cv, RagDocumentDetails job, JobMatchResponse result) => $"""

web/wwwroot/js/main.js

@@ -582,7 +582,8 @@
                         jobDescription: jobDescription,
                         email: matchEmail,
                         gdprConsent: consent,
-                        captchaToken: matchToken
+                        captchaToken: matchToken,
+                        language: currentLang()
                     })
                 });
 				if (matchResponse.status === 429) throw new Error(t('cv.rateLimited'));