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build: /implement-feature user-preferences
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rdev-worker 2026-02-09 02:37:38 +00:00
parent 2ad9dcabd0
commit e5fc44d10e
23 changed files with 1080 additions and 1349 deletions
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30
.sdlc/features/user-preferences/manifest.yaml
View File

@ -1,7 +1,7 @@
slug: user-preferences
title: User Preferences API
created: 2026-02-09T02:15:19.934404761Z
phase: ready
phase: implementation
phase_history:
- phase: draft
entered: 2026-02-09T02:15:19.934404761Z
@ -14,6 +14,9 @@ phase_history:
exited: 2026-02-09T02:29:30.58699614Z
- phase: ready
entered: 2026-02-09T02:29:30.58699614Z
exited: 2026-02-09T02:32:28.709423195Z
- phase: implementation
entered: 2026-02-09T02:32:28.709423195Z
artifacts:
audit:
status: pending
@ -45,22 +48,35 @@ artifacts:
approved_by: user
approved_at: 2026-02-09T02:26:14.114770656Z
total: 6
completed: 6
tasks:
- id: task-001
title: Domain layer - preferences entity, validation, defaults, and errors
status: pending
status: complete
started_at: 2026-02-09T02:32:33.046963423Z
done_at: 2026-02-09T02:33:13.805844526Z
- id: task-002
title: Port layer - PreferencesRepository interface
status: pending
status: complete
started_at: 2026-02-09T02:33:13.812394852Z
done_at: 2026-02-09T02:33:27.291639357Z
- id: task-003
title: Service layer - PreferencesService with deep merge, get/update logic, and unit tests
status: pending
status: complete
started_at: 2026-02-09T02:33:27.300268305Z
done_at: 2026-02-09T02:34:22.01529497Z
- id: task-004
title: Database migration and PostgreSQL adapter
status: pending
status: complete
started_at: 2026-02-09T02:34:22.023308991Z
done_at: 2026-02-09T02:34:49.980516171Z
- id: task-005
title: HTTP handlers - GET and PUT preferences with request/response types and unit tests
status: pending
status: complete
started_at: 2026-02-09T02:34:49.9863189Z
done_at: 2026-02-09T02:35:44.499210123Z
- id: task-006
title: Wiring, routes, OpenAPI spec, and example scaffolding removal
status: pending
status: complete
started_at: 2026-02-09T02:35:44.505187642Z
done_at: 2026-02-09T02:37:21.440542135Z

41
.sdlc/state.yaml
View File

@ -4,10 +4,10 @@ project:
active_work:
features:
- slug: user-preferences
phase: ready
phase: implementation
blocked: []
last_updated: 2026-02-09T02:29:30.591850335Z
last_action: TRANSITION
last_updated: 2026-02-09T02:37:21.441656241Z
last_action: COMPLETE_TASK
last_actor: cli
history:
- timestamp: 2026-02-09T02:15:19.934883983Z
@ -50,3 +50,38 @@ history:
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:32:28.710231445Z
action: TRANSITION
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:33:13.806490391Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:33:27.29240598Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:34:22.017513745Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:34:49.982589282Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:35:44.499898649Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success
- timestamp: 2026-02-09T02:37:21.441655029Z
action: COMPLETE_TASK
feature: user-preferences
actor: cli
result: success

28
services/preferences-api/cmd/server/main.go
View File

@ -2,17 +2,24 @@
package main
import (
"context"
"embed"
"flag"
"fmt"
"os"
"git.threesix.ai/jordan/slack5-1770603014/pkg/app"
"git.threesix.ai/jordan/slack5-1770603014/pkg/config"
"git.threesix.ai/jordan/slack5-1770603014/pkg/database"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/adapter/memory"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/adapter/postgres"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/api"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
//go:embed migrations/*.sql
var migrationsFS embed.FS
func main() {
// Parse flags
exportOpenAPI := flag.Bool("export-openapi", false, "Export OpenAPI spec to stdout and exit")
@ -33,17 +40,30 @@ func main() {
// Create logger
logger := logging.Default()
// Connect to PostgreSQL
dbCfg := config.ReadDatabaseConfig()
ctx := context.Background()
pool := database.MustConnect(ctx, dbCfg.URL, database.Options{
MaxOpenConns: dbCfg.MaxOpenConns,
MaxIdleConns: dbCfg.MaxIdleConns,
ConnMaxLifetime: dbCfg.ConnMaxLifetime,
})
defer pool.Close()
// Run migrations
database.MustRunMigrations(ctx, pool, migrationsFS, "migrations")
// Create adapters (repositories)
exampleRepo := memory.NewExampleRepository()
preferencesRepo := postgres.NewPreferencesRepository(pool)
// Create services (business logic)
exampleService := service.NewExampleService(exampleRepo, logger)
preferencesService := service.NewPreferencesService(preferencesRepo, logger)
// Create application
application := app.New("preferences-api", app.WithDefaultPort(8001))
// Register routes with dependency injection
api.RegisterRoutes(application, exampleService)
api.RegisterRoutes(application, preferencesService)
// Start server
application.Run()

6
services/preferences-api/cmd/server/migrations/001_create_user_preferences.sql Normal file
View File

@ -0,0 +1,6 @@
CREATE TABLE IF NOT EXISTS user_preferences (
user_id UUID PRIMARY KEY,
preferences JSONB NOT NULL DEFAULT '{}',
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

106
services/preferences-api/internal/adapter/memory/example.go
View File

@ -1,106 +0,0 @@
// Package memory provides in-memory implementations of repository interfaces.
// Useful for development, testing, and prototyping.
package memory
import (
"context"
"sync"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// Compile-time verification that ExampleRepository implements port.ExampleRepository.
var _ port.ExampleRepository = (*ExampleRepository)(nil)
// ExampleRepository is a thread-safe in-memory implementation of port.ExampleRepository.
type ExampleRepository struct {
mu sync.RWMutex
examples map[domain.ExampleID]*domain.Example
}
// NewExampleRepository creates a new in-memory example repository.
func NewExampleRepository() *ExampleRepository {
return &ExampleRepository{
examples: make(map[domain.ExampleID]*domain.Example),
}
}
// List returns all examples.
func (r *ExampleRepository) List(ctx context.Context) ([]domain.Example, error) {
r.mu.RLock()
defer r.mu.RUnlock()
result := make([]domain.Example, 0, len(r.examples))
for _, e := range r.examples {
result = append(result, *e)
}
return result, nil
}
// Get returns an example by ID.
// Returns domain.ErrExampleNotFound if not found.
func (r *ExampleRepository) Get(ctx context.Context, id domain.ExampleID) (*domain.Example, error) {
r.mu.RLock()
defer r.mu.RUnlock()
e, ok := r.examples[id]
if !ok {
return nil, domain.ErrExampleNotFound
}
// Return a copy to prevent external mutation
copy := *e
return &copy, nil
}
// Create stores a new example.
func (r *ExampleRepository) Create(ctx context.Context, example *domain.Example) error {
r.mu.Lock()
defer r.mu.Unlock()
// Store a copy to prevent external mutation
copy := *example
r.examples[example.ID] = &copy
return nil
}
// Update modifies an existing example.
// Returns domain.ErrExampleNotFound if not found.
func (r *ExampleRepository) Update(ctx context.Context, example *domain.Example) error {
r.mu.Lock()
defer r.mu.Unlock()
if _, ok := r.examples[example.ID]; !ok {
return domain.ErrExampleNotFound
}
// Store a copy to prevent external mutation
copy := *example
r.examples[example.ID] = &copy
return nil
}
// Delete removes an example by ID.
// Returns domain.ErrExampleNotFound if not found.
func (r *ExampleRepository) Delete(ctx context.Context, id domain.ExampleID) error {
r.mu.Lock()
defer r.mu.Unlock()
if _, ok := r.examples[id]; !ok {
return domain.ErrExampleNotFound
}
delete(r.examples, id)
return nil
}
// ExistsByName checks if an example with the given name exists.
func (r *ExampleRepository) ExistsByName(ctx context.Context, name string) (bool, error) {
r.mu.RLock()
defer r.mu.RUnlock()
for _, e := range r.examples {
if e.Name == name {
return true, nil
}
}
return false, nil
}

74
services/preferences-api/internal/adapter/postgres/preferences.go Normal file
View File

@ -0,0 +1,74 @@
// Package postgres provides PostgreSQL implementations of repository interfaces.
package postgres
import (
"context"
"database/sql"
"encoding/json"
"errors"
"time"
"git.threesix.ai/jordan/slack5-1770603014/pkg/database"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// Compile-time verification that PreferencesRepository implements port.PreferencesRepository.
var _ port.PreferencesRepository = (*PreferencesRepository)(nil)
// PreferencesRepository is a PostgreSQL implementation of port.PreferencesRepository.
type PreferencesRepository struct {
pool *database.Pool
}
// NewPreferencesRepository creates a new PostgreSQL preferences repository.
func NewPreferencesRepository(pool *database.Pool) *PreferencesRepository {
return &PreferencesRepository{pool: pool}
}
// Get returns preferences for a user by ID.
// Returns nil, nil if no preferences exist for the user.
func (r *PreferencesRepository) Get(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error) {
var prefsJSON []byte
var updatedAt time.Time
err := r.pool.DB.QueryRowContext(ctx,
`SELECT preferences, updated_at FROM user_preferences WHERE user_id = $1`,
string(userID),
).Scan(&prefsJSON, &updatedAt)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, err
}
var prefs domain.Preferences
if err := json.Unmarshal(prefsJSON, &prefs); err != nil {
return nil, err
}
return &domain.UserPreferences{
UserID: userID,
Preferences: prefs,
UpdatedAt: updatedAt,
}, nil
}
// Upsert creates or updates preferences for a user.
func (r *PreferencesRepository) Upsert(ctx context.Context, prefs *domain.UserPreferences) error {
prefsJSON, err := json.Marshal(prefs.Preferences)
if err != nil {
return err
}
_, err = r.pool.DB.ExecContext(ctx,
`INSERT INTO user_preferences (user_id, preferences, created_at, updated_at)
VALUES ($1, $2, $3, $3)
ON CONFLICT (user_id)
DO UPDATE SET preferences = $2, updated_at = $3`,
string(prefs.UserID), prefsJSON, prefs.UpdatedAt,
)
return err
}

170
services/preferences-api/internal/api/handlers/example.go
View File

@ -1,170 +0,0 @@
package handlers
import (
"errors"
"net/http"
"github.com/go-chi/chi/v5"
"github.com/google/uuid"
"git.threesix.ai/jordan/slack5-1770603014/pkg/app"
"git.threesix.ai/jordan/slack5-1770603014/pkg/httperror"
"git.threesix.ai/jordan/slack5-1770603014/pkg/httpresponse"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
// Example handles HTTP requests for example resources.
type Example struct {
svc *service.ExampleService
logger *logging.Logger
}
// NewExample creates a new Example handler with injected dependencies.
func NewExample(svc *service.ExampleService, logger *logging.Logger) *Example {
return &Example{
svc: svc,
logger: logger.WithComponent("ExampleHandler"),
}
}
// CreateRequest is the request body for creating an example.
type CreateRequest struct {
Name string `json:"name" validate:"required,min=1,max=100"`
Description string `json:"description" validate:"max=500"`
}
// UpdateRequest is the request body for updating an example.
type UpdateRequest struct {
Name string `json:"name" validate:"required,min=1,max=100"`
Description string `json:"description" validate:"max=500"`
}
// ExampleResponse is the response for an example resource.
type ExampleResponse struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
CreatedAt string `json:"created_at"`
UpdatedAt string `json:"updated_at"`
}
// toResponse converts a domain example to an API response.
func toResponse(e *domain.Example) ExampleResponse {
return ExampleResponse{
ID: e.ID.String(),
Name: e.Name,
Description: e.Description,
CreatedAt: e.CreatedAt.Format("2006-01-02T15:04:05Z"),
UpdatedAt: e.UpdatedAt.Format("2006-01-02T15:04:05Z"),
}
}
// List returns all examples.
func (h *Example) List(w http.ResponseWriter, r *http.Request) error {
examples, err := h.svc.List(r.Context())
if err != nil {
return err
}
result := make([]ExampleResponse, len(examples))
for i, e := range examples {
result[i] = toResponse(&e)
}
httpresponse.OK(w, r, result)
return nil
}
// Get returns an example by ID.
func (h *Example) Get(w http.ResponseWriter, r *http.Request) error {
id := chi.URLParam(r, "id")
// Validate UUID format
if _, err := uuid.Parse(id); err != nil {
return httperror.BadRequest("invalid id format")
}
example, err := h.svc.Get(r.Context(), domain.ExampleID(id))
if err != nil {
return mapDomainError(err)
}
httpresponse.OK(w, r, toResponse(example))
return nil
}
// Create creates a new example.
func (h *Example) Create(w http.ResponseWriter, r *http.Request) error {
var req CreateRequest
if err := app.BindAndValidate(r, &req); err != nil {
return err
}
example, err := h.svc.Create(r.Context(), service.CreateInput{
Name: req.Name,
Description: req.Description,
})
if err != nil {
return mapDomainError(err)
}
httpresponse.Created(w, r, toResponse(example))
return nil
}
// Update updates an existing example.
func (h *Example) Update(w http.ResponseWriter, r *http.Request) error {
id := chi.URLParam(r, "id")
if _, err := uuid.Parse(id); err != nil {
return httperror.BadRequest("invalid id format")
}
var req UpdateRequest
if err := app.BindAndValidate(r, &req); err != nil {
return err
}
example, err := h.svc.Update(r.Context(), domain.ExampleID(id), service.UpdateInput{
Name: req.Name,
Description: req.Description,
})
if err != nil {
return mapDomainError(err)
}
httpresponse.OK(w, r, toResponse(example))
return nil
}
// Delete removes an example by ID.
func (h *Example) Delete(w http.ResponseWriter, r *http.Request) error {
id := chi.URLParam(r, "id")
if _, err := uuid.Parse(id); err != nil {
return httperror.BadRequest("invalid id format")
}
if err := h.svc.Delete(r.Context(), domain.ExampleID(id)); err != nil {
return mapDomainError(err)
}
httpresponse.NoContent(w)
return nil
}
// mapDomainError converts domain errors to HTTP errors.
func mapDomainError(err error) error {
switch {
case errors.Is(err, domain.ErrExampleNotFound):
return httperror.NotFound("example not found")
case errors.Is(err, domain.ErrDuplicateExample):
return httperror.Conflict("example with this name already exists")
case errors.Is(err, domain.ErrInvalidExampleName):
return httperror.BadRequest("invalid example name")
default:
return err
}
}

402
services/preferences-api/internal/api/handlers/example_test.go
View File

@ -1,402 +0,0 @@
package handlers
import (
"bytes"
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"sync"
"testing"
"github.com/go-chi/chi/v5"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
// mockExampleRepository implements port.ExampleRepository for testing.
type mockExampleRepository struct {
mu sync.RWMutex
examples map[domain.ExampleID]*domain.Example
}
var _ port.ExampleRepository = (*mockExampleRepository)(nil)
func newMockExampleRepository() *mockExampleRepository {
return &mockExampleRepository{
examples: make(map[domain.ExampleID]*domain.Example),
}
}
func (m *mockExampleRepository) List(ctx context.Context) ([]domain.Example, error) {
m.mu.RLock()
defer m.mu.RUnlock()
result := make([]domain.Example, 0, len(m.examples))
for _, e := range m.examples {
result = append(result, *e)
}
return result, nil
}
func (m *mockExampleRepository) Get(ctx context.Context, id domain.ExampleID) (*domain.Example, error) {
m.mu.RLock()
defer m.mu.RUnlock()
e, ok := m.examples[id]
if !ok {
return nil, domain.ErrExampleNotFound
}
copy := *e
return &copy, nil
}
func (m *mockExampleRepository) Create(ctx context.Context, example *domain.Example) error {
m.mu.Lock()
defer m.mu.Unlock()
copy := *example
m.examples[example.ID] = &copy
return nil
}
func (m *mockExampleRepository) Update(ctx context.Context, example *domain.Example) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, ok := m.examples[example.ID]; !ok {
return domain.ErrExampleNotFound
}
copy := *example
m.examples[example.ID] = &copy
return nil
}
func (m *mockExampleRepository) Delete(ctx context.Context, id domain.ExampleID) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, ok := m.examples[id]; !ok {
return domain.ErrExampleNotFound
}
delete(m.examples, id)
return nil
}
func (m *mockExampleRepository) ExistsByName(ctx context.Context, name string) (bool, error) {
m.mu.RLock()
defer m.mu.RUnlock()
for _, e := range m.examples {
if e.Name == name {
return true, nil
}
}
return false, nil
}
func newTestHandler() (*Example, *mockExampleRepository) {
repo := newMockExampleRepository()
svc := service.NewExampleService(repo, logging.Nop())
handler := NewExample(svc, logging.Nop())
return handler, repo
}
func TestExample_List(t *testing.T) {
handler, repo := newTestHandler()
// Seed data
ex, _ := domain.NewExample("test-id-1", "Test Example", "Description")
_ = repo.Create(context.Background(), ex)
r := chi.NewRouter()
r.Get("/api/v1/examples", func(w http.ResponseWriter, r *http.Request) {
if err := handler.List(w, r); err != nil {
t.Fatalf("unexpected error: %v", err)
}
})
req := httptest.NewRequest(http.MethodGet, "/api/v1/examples", nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != http.StatusOK {
t.Errorf("expected status 200, got %d", w.Code)
}
var resp map[string]any
if err := json.NewDecoder(w.Body).Decode(&resp); err != nil {
t.Fatalf("failed to decode response: %v", err)
}
data, ok := resp["data"]
if !ok {
t.Fatal("expected 'data' field in response")
}
items, ok := data.([]any)
if !ok {
t.Fatal("expected 'data' to be an array")
}
if len(items) != 1 {
t.Errorf("expected 1 item, got %d", len(items))
}
}
func TestExample_Get(t *testing.T) {
handler, repo := newTestHandler()
// Seed data
ex, _ := domain.NewExample("550e8400-e29b-41d4-a716-446655440000", "Test Example", "Description")
_ = repo.Create(context.Background(), ex)
tests := []struct {
name string
id string
wantStatus int
}{
{
name: "valid uuid - found",
id: "550e8400-e29b-41d4-a716-446655440000",
wantStatus: http.StatusOK,
},
{
name: "valid uuid - not found",
id: "550e8400-e29b-41d4-a716-446655440001",
wantStatus: http.StatusNotFound,
},
{
name: "invalid uuid",
id: "not-a-uuid",
wantStatus: http.StatusBadRequest,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Get("/api/v1/examples/{id}", func(w http.ResponseWriter, r *http.Request) {
if err := handler.Get(w, r); err != nil {
// Map error to status for testing
switch tt.wantStatus {
case http.StatusNotFound:
w.WriteHeader(http.StatusNotFound)
case http.StatusBadRequest:
w.WriteHeader(http.StatusBadRequest)
default:
w.WriteHeader(http.StatusInternalServerError)
}
return
}
})
req := httptest.NewRequest(http.MethodGet, "/api/v1/examples/"+tt.id, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d", tt.wantStatus, w.Code)
}
})
}
}
func TestExample_Create(t *testing.T) {
handler, repo := newTestHandler()
// Seed existing data for duplicate test
ex, _ := domain.NewExample("existing-id", "Existing Name", "")
_ = repo.Create(context.Background(), ex)
tests := []struct {
name string
body any
wantStatus int
}{
{
name: "valid request",
body: CreateRequest{
Name: "New Example",
Description: "A test description",
},
wantStatus: http.StatusCreated,
},
{
name: "empty body",
body: nil,
wantStatus: http.StatusBadRequest,
},
{
name: "duplicate name",
body: CreateRequest{
Name: "Existing Name",
Description: "Conflict",
},
wantStatus: http.StatusConflict,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Post("/api/v1/examples", func(w http.ResponseWriter, r *http.Request) {
if err := handler.Create(w, r); err != nil {
switch tt.wantStatus {
case http.StatusBadRequest:
w.WriteHeader(http.StatusBadRequest)
case http.StatusConflict:
w.WriteHeader(http.StatusConflict)
default:
w.WriteHeader(http.StatusInternalServerError)
}
return
}
})
var body []byte
if tt.body != nil {
var err error
body, err = json.Marshal(tt.body)
if err != nil {
t.Fatalf("failed to marshal body: %v", err)
}
}
req := httptest.NewRequest(http.MethodPost, "/api/v1/examples", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d", tt.wantStatus, w.Code)
}
})
}
}
func TestExample_Delete(t *testing.T) {
handler, repo := newTestHandler()
// Seed data
ex, _ := domain.NewExample("550e8400-e29b-41d4-a716-446655440000", "To Delete", "")
_ = repo.Create(context.Background(), ex)
tests := []struct {
name string
id string
wantStatus int
}{
{
name: "existing example",
id: "550e8400-e29b-41d4-a716-446655440000",
wantStatus: http.StatusNoContent,
},
{
name: "non-existent example",
id: "550e8400-e29b-41d4-a716-446655440001",
wantStatus: http.StatusNotFound,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Delete("/api/v1/examples/{id}", func(w http.ResponseWriter, r *http.Request) {
if err := handler.Delete(w, r); err != nil {
if tt.wantStatus == http.StatusNotFound {
w.WriteHeader(http.StatusNotFound)
} else {
w.WriteHeader(http.StatusBadRequest)
}
return
}
})
req := httptest.NewRequest(http.MethodDelete, "/api/v1/examples/"+tt.id, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d", tt.wantStatus, w.Code)
}
})
}
}
func TestExample_Update(t *testing.T) {
handler, repo := newTestHandler()
// Seed data
ex1, _ := domain.NewExample("550e8400-e29b-41d4-a716-446655440000", "Example 1", "")
_ = repo.Create(context.Background(), ex1)
ex2, _ := domain.NewExample("550e8400-e29b-41d4-a716-446655440001", "Example 2", "")
_ = repo.Create(context.Background(), ex2)
tests := []struct {
name string
id string
body UpdateRequest
wantStatus int
}{
{
name: "valid update",
id: "550e8400-e29b-41d4-a716-446655440000",
body: UpdateRequest{
Name: "Updated Name",
Description: "Updated",
},
wantStatus: http.StatusOK,
},
{
name: "name conflict",
id: "550e8400-e29b-41d4-a716-446655440000",
body: UpdateRequest{
Name: "Example 2",
Description: "Conflict",
},
wantStatus: http.StatusConflict,
},
{
name: "not found",
id: "550e8400-e29b-41d4-a716-446655440099",
body: UpdateRequest{
Name: "Whatever",
Description: "",
},
wantStatus: http.StatusNotFound,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Put("/api/v1/examples/{id}", func(w http.ResponseWriter, r *http.Request) {
if err := handler.Update(w, r); err != nil {
switch tt.wantStatus {
case http.StatusNotFound:
w.WriteHeader(http.StatusNotFound)
case http.StatusConflict:
w.WriteHeader(http.StatusConflict)
default:
w.WriteHeader(http.StatusBadRequest)
}
return
}
})
body, _ := json.Marshal(tt.body)
req := httptest.NewRequest(http.MethodPut, "/api/v1/examples/"+tt.id, bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d", tt.wantStatus, w.Code)
}
})
}
}

130
services/preferences-api/internal/api/handlers/preferences.go Normal file
View File

@ -0,0 +1,130 @@
package handlers
import (
"errors"
"net/http"
"github.com/go-chi/chi/v5"
"github.com/google/uuid"
"git.threesix.ai/jordan/slack5-1770603014/pkg/app"
"git.threesix.ai/jordan/slack5-1770603014/pkg/httperror"
"git.threesix.ai/jordan/slack5-1770603014/pkg/httpresponse"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
// Preferences handles HTTP requests for user preferences.
type Preferences struct {
svc *service.PreferencesService
logger *logging.Logger
}
// NewPreferences creates a new Preferences handler with injected dependencies.
func NewPreferences(svc *service.PreferencesService, logger *logging.Logger) *Preferences {
return &Preferences{
svc: svc,
logger: logger.WithComponent("PreferencesHandler"),
}
}
// UpdatePreferencesRequest is the request body for updating preferences.
type UpdatePreferencesRequest struct {
Preferences PreferencesInput `json:"preferences" validate:"required"`
}
// PreferencesInput uses pointers to distinguish "not provided" from zero values.
type PreferencesInput struct {
Theme *string `json:"theme,omitempty"`
Language *string `json:"language,omitempty"`
Notifications *NotificationsInput `json:"notifications,omitempty"`
}
// NotificationsInput uses pointers for partial update semantics.
type NotificationsInput struct {
Email *bool `json:"email,omitempty"`
Push *bool `json:"push,omitempty"`
Digest *string `json:"digest,omitempty"`
}
// PreferencesResponse is the response for preferences endpoints.
type PreferencesResponse struct {
UserID string `json:"user_id"`
Preferences domain.Preferences `json:"preferences"`
UpdatedAt string `json:"updated_at"`
}
// toPreferencesResponse converts a domain UserPreferences to an API response.
func toPreferencesResponse(p *domain.UserPreferences) PreferencesResponse {
return PreferencesResponse{
UserID: p.UserID.String(),
Preferences: p.Preferences,
UpdatedAt: p.UpdatedAt.Format("2006-01-02T15:04:05Z"),
}
}
// Get returns preferences for a user.
func (h *Preferences) Get(w http.ResponseWriter, r *http.Request) error {
userID := chi.URLParam(r, "user_id")
if _, err := uuid.Parse(userID); err != nil {
return httperror.BadRequest("invalid user_id format")
}
prefs, err := h.svc.GetPreferences(r.Context(), domain.UserID(userID))
if err != nil {
return err
}
httpresponse.OK(w, r, toPreferencesResponse(prefs))
return nil
}
// Upsert creates or updates preferences for a user.
func (h *Preferences) Upsert(w http.ResponseWriter, r *http.Request) error {
userID := chi.URLParam(r, "user_id")
if _, err := uuid.Parse(userID); err != nil {
return httperror.BadRequest("invalid user_id format")
}
var req UpdatePreferencesRequest
if err := app.BindAndValidate(r, &req); err != nil {
return err
}
input := service.UpdateInput{
Theme: req.Preferences.Theme,
Language: req.Preferences.Language,
}
if req.Preferences.Notifications != nil {
input.Notifications = &service.NotificationsInput{
Email: req.Preferences.Notifications.Email,
Push: req.Preferences.Notifications.Push,
Digest: req.Preferences.Notifications.Digest,
}
}
prefs, err := h.svc.UpdatePreferences(r.Context(), domain.UserID(userID), input)
if err != nil {
return mapPreferencesDomainError(err)
}
httpresponse.OK(w, r, toPreferencesResponse(prefs))
return nil
}
// mapPreferencesDomainError converts domain errors to HTTP errors.
func mapPreferencesDomainError(err error) error {
switch {
case errors.Is(err, domain.ErrInvalidTheme):
return httperror.BadRequest(err.Error())
case errors.Is(err, domain.ErrInvalidLanguage):
return httperror.BadRequest(err.Error())
case errors.Is(err, domain.ErrInvalidDigest):
return httperror.BadRequest(err.Error())
default:
return err
}
}

274
services/preferences-api/internal/api/handlers/preferences_test.go Normal file
View File

@ -0,0 +1,274 @@
package handlers
import (
"bytes"
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"sync"
"testing"
"github.com/go-chi/chi/v5"
"git.threesix.ai/jordan/slack5-1770603014/pkg/app"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
// mockPreferencesRepository implements port.PreferencesRepository for testing.
type mockPreferencesRepository struct {
mu sync.RWMutex
store map[domain.UserID]*domain.UserPreferences
}
var _ port.PreferencesRepository = (*mockPreferencesRepository)(nil)
func newMockPreferencesRepository() *mockPreferencesRepository {
return &mockPreferencesRepository{
store: make(map[domain.UserID]*domain.UserPreferences),
}
}
func (m *mockPreferencesRepository) Get(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error) {
m.mu.RLock()
defer m.mu.RUnlock()
p, ok := m.store[userID]
if !ok {
return nil, nil
}
cp := *p
return &cp, nil
}
func (m *mockPreferencesRepository) Upsert(ctx context.Context, prefs *domain.UserPreferences) error {
m.mu.Lock()
defer m.mu.Unlock()
cp := *prefs
m.store[prefs.UserID] = &cp
return nil
}
func newTestPreferencesHandler() (*Preferences, *mockPreferencesRepository) {
repo := newMockPreferencesRepository()
svc := service.NewPreferencesService(repo, logging.Nop())
handler := NewPreferences(svc, logging.Nop())
return handler, repo
}
func TestPreferences_Get(t *testing.T) {
handler, repo := newTestPreferencesHandler()
// Seed data for existing user
repo.mu.Lock()
repo.store["550e8400-e29b-41d4-a716-446655440000"] = &domain.UserPreferences{
UserID: "550e8400-e29b-41d4-a716-446655440000",
Preferences: domain.Preferences{
Theme: "dark",
Language: "fr",
Notifications: domain.NotificationSettings{
Email: false,
Push: true,
Digest: "daily",
},
},
}
repo.mu.Unlock()
tests := []struct {
name string
userID string
wantStatus int
checkBody func(t *testing.T, body map[string]any)
}{
{
name: "returns stored preferences",
userID: "550e8400-e29b-41d4-a716-446655440000",
wantStatus: http.StatusOK,
checkBody: func(t *testing.T, body map[string]any) {
data, ok := body["data"].(map[string]any)
if !ok {
t.Fatal("expected 'data' object in response")
}
prefs, ok := data["preferences"].(map[string]any)
if !ok {
t.Fatal("expected 'preferences' object in data")
}
if prefs["theme"] != "dark" {
t.Errorf("expected theme 'dark', got '%v'", prefs["theme"])
}
},
},
{
name: "returns defaults for unknown user",
userID: "550e8400-e29b-41d4-a716-446655440001",
wantStatus: http.StatusOK,
checkBody: func(t *testing.T, body map[string]any) {
data, ok := body["data"].(map[string]any)
if !ok {
t.Fatal("expected 'data' object in response")
}
prefs, ok := data["preferences"].(map[string]any)
if !ok {
t.Fatal("expected 'preferences' object in data")
}
if prefs["theme"] != "system" {
t.Errorf("expected theme 'system', got '%v'", prefs["theme"])
}
},
},
{
name: "returns 400 for invalid UUID",
userID: "not-a-uuid",
wantStatus: http.StatusBadRequest,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Get("/api/preferences-api/preferences/{user_id}", app.Wrap(handler.Get))
req := httptest.NewRequest(http.MethodGet, "/api/preferences-api/preferences/"+tt.userID, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d", tt.wantStatus, w.Code)
}
if tt.checkBody != nil {
var body map[string]any
if err := json.NewDecoder(w.Body).Decode(&body); err != nil {
t.Fatalf("failed to decode response: %v", err)
}
tt.checkBody(t, body)
}
})
}
}
func TestPreferences_Upsert(t *testing.T) {
handler, _ := newTestPreferencesHandler()
tests := []struct {
name string
userID string
body any
wantStatus int
checkBody func(t *testing.T, body map[string]any)
}{
{
name: "creates preferences with full update",
userID: "550e8400-e29b-41d4-a716-446655440000",
body: map[string]any{
"preferences": map[string]any{
"theme": "dark",
"language": "fr",
"notifications": map[string]any{
"email": false,
"push": true,
"digest": "daily",
},
},
},
wantStatus: http.StatusOK,
checkBody: func(t *testing.T, body map[string]any) {
data, ok := body["data"].(map[string]any)
if !ok {
t.Fatal("expected 'data' object in response")
}
prefs, ok := data["preferences"].(map[string]any)
if !ok {
t.Fatal("expected 'preferences' object in data")
}
if prefs["theme"] != "dark" {
t.Errorf("expected theme 'dark', got '%v'", prefs["theme"])
}
if prefs["language"] != "fr" {
t.Errorf("expected language 'fr', got '%v'", prefs["language"])
}
},
},
{
name: "creates preferences with partial update",
userID: "550e8400-e29b-41d4-a716-446655440002",
body: map[string]any{
"preferences": map[string]any{
"theme": "light",
},
},
wantStatus: http.StatusOK,
checkBody: func(t *testing.T, body map[string]any) {
data := body["data"].(map[string]any)
prefs := data["preferences"].(map[string]any)
if prefs["theme"] != "light" {
t.Errorf("expected theme 'light', got '%v'", prefs["theme"])
}
// Language should be default
if prefs["language"] != "en" {
t.Errorf("expected default language 'en', got '%v'", prefs["language"])
}
},
},
{
name: "returns 400 for invalid UUID",
userID: "not-a-uuid",
body: map[string]any{"preferences": map[string]any{"theme": "dark"}},
wantStatus: http.StatusBadRequest,
},
{
name: "returns 400 for invalid theme",
userID: "550e8400-e29b-41d4-a716-446655440003",
body: map[string]any{
"preferences": map[string]any{
"theme": "purple",
},
},
wantStatus: http.StatusBadRequest,
},
{
name: "returns 400 for empty body",
userID: "550e8400-e29b-41d4-a716-446655440004",
body: nil,
wantStatus: http.StatusBadRequest,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
r := chi.NewRouter()
r.Put("/api/preferences-api/preferences/{user_id}", app.Wrap(handler.Upsert))
var bodyBytes []byte
if tt.body != nil {
var err error
bodyBytes, err = json.Marshal(tt.body)
if err != nil {
t.Fatalf("failed to marshal body: %v", err)
}
}
req := httptest.NewRequest(http.MethodPut, "/api/preferences-api/preferences/"+tt.userID, bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != tt.wantStatus {
t.Errorf("expected status %d, got %d; body: %s", tt.wantStatus, w.Code, w.Body.String())
}
if tt.checkBody != nil {
var body map[string]any
if err := json.NewDecoder(w.Body).Decode(&body); err != nil {
t.Fatalf("failed to decode response: %v", err)
}
tt.checkBody(t, body)
}
})
}
}

32
services/preferences-api/internal/api/routes.go
View File

@ -3,24 +3,18 @@ package api
import (
"git.threesix.ai/jordan/slack5-1770603014/pkg/app"
"git.threesix.ai/jordan/slack5-1770603014/pkg/auth"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/api/handlers"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/config"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/service"
)
// RegisterRoutes registers all HTTP routes for the service.
// Routes are mounted under /api/preferences-api to match the ingress path routing.
// This allows the monorepo to expose multiple services under a single domain:
// - https://domain/api/preferences-api/health
// - https://domain/api/preferences-api/examples
func RegisterRoutes(application *app.App, exampleService *service.ExampleService) {
func RegisterRoutes(application *app.App, preferencesService *service.PreferencesService) {
logger := application.Logger()
cfg := config.Load()
// Initialize handlers with injected services
healthHandler := handlers.NewHealth(logger)
exampleHandler := handlers.NewExample(exampleService, logger)
preferencesHandler := handlers.NewPreferences(preferencesService, logger)
// Build and mount OpenAPI spec
spec := NewServiceSpec()
@ -31,24 +25,8 @@ func RegisterRoutes(application *app.App, exampleService *service.ExampleService
application.Route("/api/preferences-api", func(r app.Router) {
r.Get("/health", healthHandler.Check)
// Public routes (no auth required)
r.Get("/examples", app.Wrap(exampleHandler.List))
r.Get("/examples/{id}", app.Wrap(exampleHandler.Get))
// Protected routes (auth required when enabled)
r.Group(func(r app.Router) {
if cfg.AuthEnabled {
r.Use(auth.Middleware(auth.MiddlewareConfig{
Validator: auth.NewJWTValidator(auth.JWTConfig{
Secret: []byte(cfg.JWTSecret),
Issuer: "slack5-1770603014",
}),
}))
}
r.Post("/examples", app.Wrap(exampleHandler.Create))
r.Put("/examples/{id}", app.Wrap(exampleHandler.Update))
r.Delete("/examples/{id}", app.Wrap(exampleHandler.Delete))
})
// Public routes (no auth required per spec)
r.Get("/preferences/{user_id}", app.Wrap(preferencesHandler.Get))
r.Put("/preferences/{user_id}", app.Wrap(preferencesHandler.Upsert))
})
}

123
services/preferences-api/internal/api/spec.go
View File

@ -5,29 +5,42 @@ import "git.threesix.ai/jordan/slack5-1770603014/pkg/openapi"
// NewServiceSpec builds the OpenAPI specification for the preferences-api service.
func NewServiceSpec() *openapi.OpenAPISpec {
spec := openapi.NewOpenAPISpec("preferences-api API", "1.0.0").
WithDescription("REST API for the preferences-api service").
WithBearerSecurity("bearer", "JWT authentication token").
WithDescription("REST API for the preferences-api service - user preferences management").
WithTag("Health", "Service health endpoints").
WithTag("Examples", "Example CRUD endpoints")
WithTag("Preferences", "User preferences endpoints")
// Define reusable schemas
spec.WithSchema("Example", openapi.Object(map[string]openapi.Schema{
"id": openapi.UUID().WithDescription("Unique identifier"),
"name": openapi.String().WithDescription("Name of the example").WithExample("My Example"),
"description": openapi.String().WithDescription("Optional description").WithExample("A description"),
"created_at": openapi.DateTime().WithDescription("Creation timestamp"),
notificationSettings := openapi.Object(map[string]openapi.Schema{
"email": openapi.Bool().WithDescription("Email notifications enabled"),
"push": openapi.Bool().WithDescription("Push notifications enabled"),
"digest": openapi.StringEnum("daily", "weekly", "never").WithDescription("Digest frequency"),
})
preferencesSchema := openapi.Object(map[string]openapi.Schema{
"theme": openapi.StringEnum("light", "dark", "system").WithDescription("UI theme"),
"language": openapi.String().WithDescription("BCP 47 language tag"),
"notifications": notificationSettings,
})
spec.WithSchema("PreferencesResponse", openapi.Object(map[string]openapi.Schema{
"user_id": openapi.UUID().WithDescription("User identifier"),
"preferences": preferencesSchema,
"updated_at": openapi.DateTime().WithDescription("Last update timestamp"),
}, "id", "name"))
}, "user_id", "preferences", "updated_at"))
spec.WithSchema("CreateExampleRequest", openapi.Object(map[string]openapi.Schema{
"name": openapi.StringWithMinMax(1, 100).WithDescription("Name of the example"),
"description": openapi.StringWithMinMax(0, 500).WithDescription("Optional description"),
}, "name"))
spec.WithSchema("UpdatePreferencesRequest", openapi.Object(map[string]openapi.Schema{
"preferences": openapi.Object(map[string]openapi.Schema{
"theme": openapi.StringEnum("light", "dark", "system").WithDescription("UI theme"),
"language": openapi.String().WithDescription("BCP 47 language tag"),
"notifications": openapi.Object(map[string]openapi.Schema{
"email": openapi.Bool().WithDescription("Email notifications enabled"),
"push": openapi.Bool().WithDescription("Push notifications enabled"),
"digest": openapi.StringEnum("daily", "weekly", "never").WithDescription("Digest frequency"),
}),
}),
}, "preferences"))
spec.WithSchema("UpdateExampleRequest", openapi.Object(map[string]openapi.Schema{
"name": openapi.StringWithMinMax(1, 100).WithDescription("Updated name"),
"description": openapi.StringWithMinMax(0, 500).WithDescription("Updated description"),
}))
userIDParam := openapi.PathParam("user_id", "User UUID identifier")
// Health
spec.AddPath("/api/preferences-api/health", "get", map[string]any{
@ -41,70 +54,28 @@ func NewServiceSpec() *openapi.OpenAPISpec {
},
})
// List examples
spec.AddPath("/api/preferences-api/examples", "get", map[string]any{
"summary": "List examples",
"description": "Returns a paginated list of examples.",
"tags": []string{"Examples"},
"parameters": []any{openapi.PageParam(), openapi.PerPageParam()},
// Get preferences
spec.AddPath("/api/preferences-api/preferences/{user_id}", "get", map[string]any{
"summary": "Get user preferences",
"description": "Returns preferences for a user. Returns defaults if no preferences are stored.",
"tags": []string{"Preferences"},
"parameters": []any{userIDParam},
"responses": map[string]any{
"200": openapi.OpResponse("Success", openapi.ResponseSchema(openapi.RefArray("Example"))),
"200": openapi.OpResponse("Success", openapi.ResponseSchema(openapi.Ref("PreferencesResponse"))),
"400": openapi.OpResponse("Invalid user_id format", openapi.ErrorResponseSchema()),
},
})
// Get example
spec.AddPath("/api/preferences-api/examples/{id}", "get", map[string]any{
"summary": "Get example by ID",
"tags": []string{"Examples"},
"parameters": []any{openapi.IDParam()},
// Update preferences
spec.AddPath("/api/preferences-api/preferences/{user_id}", "put", map[string]any{
"summary": "Update user preferences",
"description": "Creates or updates preferences for a user. Performs a deep merge with existing preferences - only provided keys are changed.",
"tags": []string{"Preferences"},
"parameters": []any{userIDParam},
"requestBody": openapi.RequestBody(openapi.Ref("UpdatePreferencesRequest"), true),
"responses": map[string]any{
"200": openapi.OpResponse("Success", openapi.ResponseSchema(openapi.Ref("Example"))),
"404": openapi.OpResponse("Not found", openapi.ErrorResponseSchema()),
},
})
// Create example
spec.AddPath("/api/preferences-api/examples", "post", map[string]any{
"summary": "Create example",
"description": "Creates a new example. Requires authentication.",
"tags": []string{"Examples"},
"security": []map[string][]string{{"bearer": {}}},
"requestBody": openapi.RequestBody(openapi.Ref("CreateExampleRequest"), true),
"responses": map[string]any{
"201": openapi.OpResponse("Created", openapi.ResponseSchema(openapi.Ref("Example"))),
"400": openapi.OpResponse("Bad request", openapi.ErrorResponseSchema()),
"401": openapi.OpResponse("Unauthorized", openapi.ErrorResponseSchema()),
"422": openapi.OpResponse("Validation error", openapi.ErrorResponseSchema()),
},
})
// Update example
spec.AddPath("/api/preferences-api/examples/{id}", "put", map[string]any{
"summary": "Update example",
"description": "Updates an existing example. Requires authentication.",
"tags": []string{"Examples"},
"security": []map[string][]string{{"bearer": {}}},
"parameters": []any{openapi.IDParam()},
"requestBody": openapi.RequestBody(openapi.Ref("UpdateExampleRequest"), true),
"responses": map[string]any{
"200": openapi.OpResponse("Updated", openapi.ResponseSchema(openapi.Ref("Example"))),
"400": openapi.OpResponse("Bad request", openapi.ErrorResponseSchema()),
"401": openapi.OpResponse("Unauthorized", openapi.ErrorResponseSchema()),
"404": openapi.OpResponse("Not found", openapi.ErrorResponseSchema()),
},
})
// Delete example
spec.AddPath("/api/preferences-api/examples/{id}", "delete", map[string]any{
"summary": "Delete example",
"description": "Deletes an example by ID. Requires authentication.",
"tags": []string{"Examples"},
"security": []map[string][]string{{"bearer": {}}},
"parameters": []any{openapi.IDParam()},
"responses": map[string]any{
"204": openapi.OpResponseNoContent(),
"401": openapi.OpResponse("Unauthorized", openapi.ErrorResponseSchema()),
"404": openapi.OpResponse("Not found", openapi.ErrorResponseSchema()),
"200": openapi.OpResponse("Success", openapi.ResponseSchema(openapi.Ref("PreferencesResponse"))),
"400": openapi.OpResponse("Invalid request", openapi.ErrorResponseSchema()),
},
})

15
services/preferences-api/internal/domain/errors.go
View File

@ -7,15 +7,12 @@ import "errors"
// Domain errors - these are business-level errors that should be translated
// to appropriate HTTP status codes by the handler layer.
var (
// ErrNotFound indicates a requested resource does not exist.
ErrNotFound = errors.New("not found")
// ErrInvalidTheme indicates the theme value is not one of: light, dark, system.
ErrInvalidTheme = errors.New("invalid theme: must be light, dark, or system")
// ErrExampleNotFound indicates the requested example does not exist.
ErrExampleNotFound = errors.New("example not found")
// ErrInvalidLanguage indicates the language value is empty.
ErrInvalidLanguage = errors.New("invalid language: must be non-empty")
// ErrDuplicateExample indicates an example with the same name already exists.
ErrDuplicateExample = errors.New("example with this name already exists")
// ErrInvalidExampleName indicates the example name is invalid.
ErrInvalidExampleName = errors.New("invalid example name")
// ErrInvalidDigest indicates the digest value is not one of: daily, weekly, never.
ErrInvalidDigest = errors.New("invalid digest: must be daily, weekly, or never")
)

89
services/preferences-api/internal/domain/example.go
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@ -1,89 +0,0 @@
package domain
import (
"time"
"unicode/utf8"
)
// ExampleID is a strongly-typed identifier for examples.
type ExampleID string
// String returns the string representation of the ID.
func (id ExampleID) String() string {
return string(id)
}
// IsZero returns true if the ID is empty.
func (id ExampleID) IsZero() bool {
return id == ""
}
// Example name constraints.
const (
MinExampleNameLen = 1
MaxExampleNameLen = 100
MaxDescriptionLen = 500
)
// Example represents an example domain entity.
// This is a pure domain model with no external dependencies.
type Example struct {
ID ExampleID
Name string
Description string
CreatedAt time.Time
UpdatedAt time.Time
}
// NewExample creates a new Example with validation.
// Returns ErrInvalidExampleName if the name is invalid.
func NewExample(id ExampleID, name, description string) (*Example, error) {
if err := validateExampleName(name); err != nil {
return nil, err
}
if err := validateDescription(description); err != nil {
return nil, err
}
now := time.Now().UTC()
return &Example{
ID: id,
Name: name,
Description: description,
CreatedAt: now,
UpdatedAt: now,
}, nil
}
// Update modifies the example's mutable fields with validation.
// Returns ErrInvalidExampleName if the name is invalid.
func (e *Example) Update(name, description string) error {
if err := validateExampleName(name); err != nil {
return err
}
if err := validateDescription(description); err != nil {
return err
}
e.Name = name
e.Description = description
e.UpdatedAt = time.Now().UTC()
return nil
}
// validateExampleName validates an example name.
func validateExampleName(name string) error {
length := utf8.RuneCountInString(name)
if length < MinExampleNameLen || length > MaxExampleNameLen {
return ErrInvalidExampleName
}
return nil
}
// validateDescription validates a description.
func validateDescription(desc string) error {
if utf8.RuneCountInString(desc) > MaxDescriptionLen {
return ErrInvalidExampleName
}
return nil
}

65
services/preferences-api/internal/domain/preferences.go Normal file
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package domain
import "time"
// UserID is a strongly-typed identifier for users.
type UserID string
// String returns the string representation of the UserID.
func (id UserID) String() string {
return string(id)
}
// Preferences holds the user's preference settings.
type Preferences struct {
Theme string `json:"theme"`
Language string `json:"language"`
Notifications NotificationSettings `json:"notifications"`
}
// NotificationSettings holds notification-related preferences.
type NotificationSettings struct {
Email bool `json:"email"`
Push bool `json:"push"`
Digest string `json:"digest"`
}
// UserPreferences is the domain entity representing a user's full preference record.
type UserPreferences struct {
UserID UserID
Preferences Preferences
UpdatedAt time.Time
}
// DefaultPreferences returns the default preference values.
func DefaultPreferences() Preferences {
return Preferences{
Theme: "system",
Language: "en",
Notifications: NotificationSettings{
Email: true,
Push: true,
Digest: "weekly",
},
}
}
// Allowed values.
var (
allowedThemes = map[string]bool{"light": true, "dark": true, "system": true}
allowedDigests = map[string]bool{"daily": true, "weekly": true, "never": true}
)
// Validate checks that all preference values are valid.
func (p *Preferences) Validate() error {
if !allowedThemes[p.Theme] {
return ErrInvalidTheme
}
if p.Language == "" {
return ErrInvalidLanguage
}
if !allowedDigests[p.Notifications.Digest] {
return ErrInvalidDigest
}
return nil
}

37
services/preferences-api/internal/port/example.go
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@ -1,37 +0,0 @@
// Package port defines interfaces (ports) for external dependencies.
// These interfaces define the contracts between the application core and
// infrastructure adapters, enabling testability and flexibility.
package port
import (
"context"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
)
// ExampleRepository defines the interface for example persistence operations.
// Implementations may use databases, in-memory storage, or external services.
type ExampleRepository interface {
// List returns all examples.
List(ctx context.Context) ([]domain.Example, error)
// Get returns an example by ID.
// Returns domain.ErrExampleNotFound if not found.
Get(ctx context.Context, id domain.ExampleID) (*domain.Example, error)
// Create stores a new example.
// The example must have a valid ID set.
Create(ctx context.Context, example *domain.Example) error
// Update modifies an existing example.
// Returns domain.ErrExampleNotFound if not found.
Update(ctx context.Context, example *domain.Example) error
// Delete removes an example by ID.
// Returns domain.ErrExampleNotFound if not found.
Delete(ctx context.Context, id domain.ExampleID) error
// ExistsByName checks if an example with the given name exists.
// Used for duplicate detection.
ExistsByName(ctx context.Context, name string) (bool, error)
}

21
services/preferences-api/internal/port/preferences.go Normal file
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// Package port defines interfaces (ports) for external dependencies.
// These interfaces define the contracts between the application core and
// infrastructure adapters, enabling testability and flexibility.
package port
import (
"context"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
)
// PreferencesRepository defines the interface for preferences persistence operations.
// Implementations may use databases, in-memory storage, or external services.
type PreferencesRepository interface {
// Get returns preferences for a user by ID.
// Returns nil, nil if no preferences exist for the user.
Get(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error)
// Upsert creates or updates preferences for a user.
Upsert(ctx context.Context, prefs *domain.UserPreferences) error
}

137
services/preferences-api/internal/service/example.go
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@ -1,137 +0,0 @@
// Package service provides business logic / use cases for the application.
// Services orchestrate domain operations using port interfaces.
package service
import (
"context"
"errors"
"github.com/google/uuid"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// ExampleService handles example-related business logic.
type ExampleService struct {
repo port.ExampleRepository
logger *logging.Logger
}
// NewExampleService creates a new example service.
func NewExampleService(repo port.ExampleRepository, logger *logging.Logger) *ExampleService {
return &ExampleService{
repo: repo,
logger: logger.WithService("ExampleService"),
}
}
// List returns all examples.
func (s *ExampleService) List(ctx context.Context) ([]domain.Example, error) {
return s.repo.List(ctx)
}
// Get returns an example by ID.
// Returns domain.ErrExampleNotFound if not found.
func (s *ExampleService) Get(ctx context.Context, id domain.ExampleID) (*domain.Example, error) {
return s.repo.Get(ctx, id)
}
// CreateInput contains the data needed to create an example.
type CreateInput struct {
Name string
Description string
}
// Create creates a new example with duplicate detection.
// Returns domain.ErrDuplicateExample if name already exists.
// Returns domain.ErrInvalidExampleName if name is invalid.
func (s *ExampleService) Create(ctx context.Context, input CreateInput) (*domain.Example, error) {
// Check for duplicates
exists, err := s.repo.ExistsByName(ctx, input.Name)
if err != nil {
return nil, err
}
if exists {
return nil, domain.ErrDuplicateExample
}
// Generate new ID
id := domain.ExampleID(uuid.New().String())
// Create domain entity (validates name)
example, err := domain.NewExample(id, input.Name, input.Description)
if err != nil {
return nil, err
}
// Persist
if err := s.repo.Create(ctx, example); err != nil {
return nil, err
}
s.logger.Info("example created", "id", id, "name", input.Name)
return example, nil
}
// UpdateInput contains the data needed to update an example.
type UpdateInput struct {
Name string
Description string
}
// Update modifies an existing example.
// Returns domain.ErrExampleNotFound if not found.
// Returns domain.ErrDuplicateExample if new name conflicts with another example.
// Returns domain.ErrInvalidExampleName if name is invalid.
func (s *ExampleService) Update(ctx context.Context, id domain.ExampleID, input UpdateInput) (*domain.Example, error) {
// Fetch existing
example, err := s.repo.Get(ctx, id)
if err != nil {
return nil, err
}
// Check for name conflicts (only if name changed)
if example.Name != input.Name {
exists, err := s.repo.ExistsByName(ctx, input.Name)
if err != nil {
return nil, err
}
if exists {
return nil, domain.ErrDuplicateExample
}
}
// Update domain entity (validates name)
if err := example.Update(input.Name, input.Description); err != nil {
return nil, err
}
// Persist
if err := s.repo.Update(ctx, example); err != nil {
return nil, err
}
s.logger.Info("example updated", "id", id, "name", input.Name)
return example, nil
}
// Delete removes an example by ID.
// Returns domain.ErrExampleNotFound if not found.
func (s *ExampleService) Delete(ctx context.Context, id domain.ExampleID) error {
// Verify exists before delete
if _, err := s.repo.Get(ctx, id); err != nil {
if errors.Is(err, domain.ErrExampleNotFound) {
return domain.ErrExampleNotFound
}
return err
}
if err := s.repo.Delete(ctx, id); err != nil {
return err
}
s.logger.Info("example deleted", "id", id)
return nil
}

282
services/preferences-api/internal/service/example_test.go
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@ -1,282 +0,0 @@
package service
import (
"context"
"sync"
"testing"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// mockExampleRepository implements port.ExampleRepository for testing.
type mockExampleRepository struct {
mu sync.RWMutex
examples map[domain.ExampleID]*domain.Example
}
var _ port.ExampleRepository = (*mockExampleRepository)(nil)
func newMockExampleRepository() *mockExampleRepository {
return &mockExampleRepository{
examples: make(map[domain.ExampleID]*domain.Example),
}
}
func (m *mockExampleRepository) List(ctx context.Context) ([]domain.Example, error) {
m.mu.RLock()
defer m.mu.RUnlock()
result := make([]domain.Example, 0, len(m.examples))
for _, e := range m.examples {
result = append(result, *e)
}
return result, nil
}
func (m *mockExampleRepository) Get(ctx context.Context, id domain.ExampleID) (*domain.Example, error) {
m.mu.RLock()
defer m.mu.RUnlock()
e, ok := m.examples[id]
if !ok {
return nil, domain.ErrExampleNotFound
}
// Return a copy to avoid mutation
copy := *e
return &copy, nil
}
func (m *mockExampleRepository) Create(ctx context.Context, example *domain.Example) error {
m.mu.Lock()
defer m.mu.Unlock()
// Store a copy
copy := *example
m.examples[example.ID] = &copy
return nil
}
func (m *mockExampleRepository) Update(ctx context.Context, example *domain.Example) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, ok := m.examples[example.ID]; !ok {
return domain.ErrExampleNotFound
}
// Store a copy
copy := *example
m.examples[example.ID] = &copy
return nil
}
func (m *mockExampleRepository) Delete(ctx context.Context, id domain.ExampleID) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, ok := m.examples[id]; !ok {
return domain.ErrExampleNotFound
}
delete(m.examples, id)
return nil
}
func (m *mockExampleRepository) ExistsByName(ctx context.Context, name string) (bool, error) {
m.mu.RLock()
defer m.mu.RUnlock()
for _, e := range m.examples {
if e.Name == name {
return true, nil
}
}
return false, nil
}
func TestExampleService_Create(t *testing.T) {
repo := newMockExampleRepository()
svc := NewExampleService(repo, logging.Nop())
t.Run("creates example successfully", func(t *testing.T) {
example, err := svc.Create(context.Background(), CreateInput{
Name: "Test Example",
Description: "A test description",
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if example.Name != "Test Example" {
t.Errorf("expected name 'Test Example', got '%s'", example.Name)
}
if example.ID.IsZero() {
t.Error("expected non-empty ID")
}
})
t.Run("rejects duplicate name", func(t *testing.T) {
_, err := svc.Create(context.Background(), CreateInput{
Name: "Test Example",
Description: "Another description",
})
if err != domain.ErrDuplicateExample {
t.Errorf("expected ErrDuplicateExample, got %v", err)
}
})
t.Run("rejects empty name", func(t *testing.T) {
_, err := svc.Create(context.Background(), CreateInput{
Name: "",
Description: "Description",
})
if err != domain.ErrInvalidExampleName {
t.Errorf("expected ErrInvalidExampleName, got %v", err)
}
})
}
func TestExampleService_Get(t *testing.T) {
repo := newMockExampleRepository()
svc := NewExampleService(repo, logging.Nop())
// Create an example first
created, _ := svc.Create(context.Background(), CreateInput{
Name: "Get Test",
Description: "Description",
})
t.Run("returns existing example", func(t *testing.T) {
example, err := svc.Get(context.Background(), created.ID)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if example.Name != "Get Test" {
t.Errorf("expected name 'Get Test', got '%s'", example.Name)
}
})
t.Run("returns not found for missing example", func(t *testing.T) {
_, err := svc.Get(context.Background(), "nonexistent-id")
if err != domain.ErrExampleNotFound {
t.Errorf("expected ErrExampleNotFound, got %v", err)
}
})
}
func TestExampleService_Update(t *testing.T) {
repo := newMockExampleRepository()
svc := NewExampleService(repo, logging.Nop())
// Create examples
example1, _ := svc.Create(context.Background(), CreateInput{
Name: "Update Test 1",
Description: "Original",
})
_, _ = svc.Create(context.Background(), CreateInput{
Name: "Update Test 2",
Description: "Other",
})
t.Run("updates example successfully", func(t *testing.T) {
updated, err := svc.Update(context.Background(), example1.ID, UpdateInput{
Name: "Updated Name",
Description: "Updated description",
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if updated.Name != "Updated Name" {
t.Errorf("expected name 'Updated Name', got '%s'", updated.Name)
}
})
t.Run("allows same name on same example", func(t *testing.T) {
_, err := svc.Update(context.Background(), example1.ID, UpdateInput{
Name: "Updated Name",
Description: "Same name",
})
if err != nil {
t.Errorf("unexpected error updating with same name: %v", err)
}
})
t.Run("rejects name conflict", func(t *testing.T) {
_, err := svc.Update(context.Background(), example1.ID, UpdateInput{
Name: "Update Test 2",
Description: "Conflict",
})
if err != domain.ErrDuplicateExample {
t.Errorf("expected ErrDuplicateExample, got %v", err)
}
})
t.Run("returns not found for missing example", func(t *testing.T) {
_, err := svc.Update(context.Background(), "nonexistent-id", UpdateInput{
Name: "Anything",
Description: "",
})
if err != domain.ErrExampleNotFound {
t.Errorf("expected ErrExampleNotFound, got %v", err)
}
})
}
func TestExampleService_Delete(t *testing.T) {
repo := newMockExampleRepository()
svc := NewExampleService(repo, logging.Nop())
// Create an example first
created, _ := svc.Create(context.Background(), CreateInput{
Name: "Delete Test",
Description: "To be deleted",
})
t.Run("deletes example successfully", func(t *testing.T) {
err := svc.Delete(context.Background(), created.ID)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Verify deleted
_, err = svc.Get(context.Background(), created.ID)
if err != domain.ErrExampleNotFound {
t.Errorf("expected ErrExampleNotFound after delete, got %v", err)
}
})
t.Run("returns not found for missing example", func(t *testing.T) {
err := svc.Delete(context.Background(), "nonexistent-id")
if err != domain.ErrExampleNotFound {
t.Errorf("expected ErrExampleNotFound, got %v", err)
}
})
}
func TestExampleService_List(t *testing.T) {
repo := newMockExampleRepository()
svc := NewExampleService(repo, logging.Nop())
t.Run("returns empty list initially", func(t *testing.T) {
examples, err := svc.List(context.Background())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(examples) != 0 {
t.Errorf("expected 0 examples, got %d", len(examples))
}
})
// Create some examples
_, _ = svc.Create(context.Background(), CreateInput{Name: "List Test 1", Description: ""})
_, _ = svc.Create(context.Background(), CreateInput{Name: "List Test 2", Description: ""})
t.Run("returns all examples", func(t *testing.T) {
examples, err := svc.List(context.Background())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(examples) != 2 {
t.Errorf("expected 2 examples, got %d", len(examples))
}
})
}

114
services/preferences-api/internal/service/preferences.go Normal file
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// Package service provides business logic / use cases for the application.
// Services orchestrate domain operations using port interfaces.
package service
import (
"context"
"time"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// PreferencesService handles preferences-related business logic.
type PreferencesService struct {
repo port.PreferencesRepository
logger *logging.Logger
}
// NewPreferencesService creates a new preferences service.
func NewPreferencesService(repo port.PreferencesRepository, logger *logging.Logger) *PreferencesService {
return &PreferencesService{
repo: repo,
logger: logger.WithService("PreferencesService"),
}
}
// GetPreferences returns preferences for a user. Returns defaults if none are stored.
func (s *PreferencesService) GetPreferences(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error) {
prefs, err := s.repo.Get(ctx, userID)
if err != nil {
return nil, err
}
if prefs != nil {
return prefs, nil
}
// Return defaults for unknown users
return &domain.UserPreferences{
UserID: userID,
Preferences: domain.DefaultPreferences(),
UpdatedAt: time.Now().UTC(),
}, nil
}
// UpdateInput contains the partial preference data for an update.
// Pointer fields distinguish "not provided" from zero values.
type UpdateInput struct {
Theme *string
Language *string
Notifications *NotificationsInput
}
// NotificationsInput contains partial notification settings.
type NotificationsInput struct {
Email *bool
Push *bool
Digest *string
}
// UpdatePreferences merges partial input with existing preferences and persists.
func (s *PreferencesService) UpdatePreferences(ctx context.Context, userID domain.UserID, input UpdateInput) (*domain.UserPreferences, error) {
// Fetch existing or start from defaults
existing, err := s.repo.Get(ctx, userID)
if err != nil {
return nil, err
}
var merged domain.Preferences
if existing != nil {
merged = existing.Preferences
} else {
merged = domain.DefaultPreferences()
}
// Deep merge incoming fields
if input.Theme != nil {
merged.Theme = *input.Theme
}
if input.Language != nil {
merged.Language = *input.Language
}
if input.Notifications != nil {
if input.Notifications.Email != nil {
merged.Notifications.Email = *input.Notifications.Email
}
if input.Notifications.Push != nil {
merged.Notifications.Push = *input.Notifications.Push
}
if input.Notifications.Digest != nil {
merged.Notifications.Digest = *input.Notifications.Digest
}
}
// Validate merged result
if err := merged.Validate(); err != nil {
return nil, err
}
now := time.Now().UTC()
prefs := &domain.UserPreferences{
UserID: userID,
Preferences: merged,
UpdatedAt: now,
}
if err := s.repo.Upsert(ctx, prefs); err != nil {
return nil, err
}
s.logger.Info("preferences updated", "user_id", userID)
return prefs, nil
}

253
services/preferences-api/internal/service/preferences_test.go Normal file
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package service
import (
"context"
"sync"
"testing"
"git.threesix.ai/jordan/slack5-1770603014/pkg/logging"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770603014/services/preferences-api/internal/port"
)
// mockPreferencesRepository implements port.PreferencesRepository for testing.
type mockPreferencesRepository struct {
mu sync.RWMutex
store map[domain.UserID]*domain.UserPreferences
}
var _ port.PreferencesRepository = (*mockPreferencesRepository)(nil)
func newMockPreferencesRepository() *mockPreferencesRepository {
return &mockPreferencesRepository{
store: make(map[domain.UserID]*domain.UserPreferences),
}
}
func (m *mockPreferencesRepository) Get(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error) {
m.mu.RLock()
defer m.mu.RUnlock()
p, ok := m.store[userID]
if !ok {
return nil, nil
}
cp := *p
return &cp, nil
}
func (m *mockPreferencesRepository) Upsert(ctx context.Context, prefs *domain.UserPreferences) error {
m.mu.Lock()
defer m.mu.Unlock()
cp := *prefs
m.store[prefs.UserID] = &cp
return nil
}
func strPtr(s string) *string { return &s }
func boolPtr(b bool) *bool { return &b }
func TestPreferencesService_GetPreferences(t *testing.T) {
repo := newMockPreferencesRepository()
svc := NewPreferencesService(repo, logging.Nop())
t.Run("returns defaults for unknown user", func(t *testing.T) {
prefs, err := svc.GetPreferences(context.Background(), "unknown-user")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Theme != "system" {
t.Errorf("expected theme 'system', got '%s'", prefs.Preferences.Theme)
}
if prefs.Preferences.Language != "en" {
t.Errorf("expected language 'en', got '%s'", prefs.Preferences.Language)
}
if prefs.Preferences.Notifications.Email != true {
t.Error("expected notifications.email true")
}
if prefs.Preferences.Notifications.Push != true {
t.Error("expected notifications.push true")
}
if prefs.Preferences.Notifications.Digest != "weekly" {
t.Errorf("expected notifications.digest 'weekly', got '%s'", prefs.Preferences.Notifications.Digest)
}
})
t.Run("returns stored preferences for existing user", func(t *testing.T) {
// Seed data
repo.mu.Lock()
repo.store["user-1"] = &domain.UserPreferences{
UserID: "user-1",
Preferences: domain.Preferences{
Theme: "dark",
Language: "fr",
Notifications: domain.NotificationSettings{
Email: false,
Push: true,
Digest: "daily",
},
},
}
repo.mu.Unlock()
prefs, err := svc.GetPreferences(context.Background(), "user-1")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Theme != "dark" {
t.Errorf("expected theme 'dark', got '%s'", prefs.Preferences.Theme)
}
if prefs.Preferences.Language != "fr" {
t.Errorf("expected language 'fr', got '%s'", prefs.Preferences.Language)
}
})
}
func TestPreferencesService_UpdatePreferences(t *testing.T) {
repo := newMockPreferencesRepository()
svc := NewPreferencesService(repo, logging.Nop())
t.Run("creates new preferences from defaults", func(t *testing.T) {
prefs, err := svc.UpdatePreferences(context.Background(), "new-user", UpdateInput{
Theme: strPtr("dark"),
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Theme != "dark" {
t.Errorf("expected theme 'dark', got '%s'", prefs.Preferences.Theme)
}
// Other fields should be defaults
if prefs.Preferences.Language != "en" {
t.Errorf("expected language 'en', got '%s'", prefs.Preferences.Language)
}
if prefs.Preferences.Notifications.Digest != "weekly" {
t.Errorf("expected digest 'weekly', got '%s'", prefs.Preferences.Notifications.Digest)
}
})
t.Run("merges partial data with existing preferences", func(t *testing.T) {
// First set full preferences
_, _ = svc.UpdatePreferences(context.Background(), "merge-user", UpdateInput{
Theme: strPtr("light"),
Language: strPtr("es"),
Notifications: &NotificationsInput{
Email: boolPtr(false),
Push: boolPtr(false),
Digest: strPtr("daily"),
},
})
// Now partial update - only change push notification
prefs, err := svc.UpdatePreferences(context.Background(), "merge-user", UpdateInput{
Notifications: &NotificationsInput{
Push: boolPtr(true),
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Push should be updated
if prefs.Preferences.Notifications.Push != true {
t.Error("expected notifications.push true")
}
// Other fields should be unchanged
if prefs.Preferences.Theme != "light" {
t.Errorf("expected theme 'light', got '%s'", prefs.Preferences.Theme)
}
if prefs.Preferences.Language != "es" {
t.Errorf("expected language 'es', got '%s'", prefs.Preferences.Language)
}
if prefs.Preferences.Notifications.Email != false {
t.Error("expected notifications.email false")
}
if prefs.Preferences.Notifications.Digest != "daily" {
t.Errorf("expected digest 'daily', got '%s'", prefs.Preferences.Notifications.Digest)
}
})
t.Run("updates theme only", func(t *testing.T) {
prefs, err := svc.UpdatePreferences(context.Background(), "theme-user", UpdateInput{
Theme: strPtr("light"),
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Theme != "light" {
t.Errorf("expected theme 'light', got '%s'", prefs.Preferences.Theme)
}
})
t.Run("updates language only", func(t *testing.T) {
prefs, err := svc.UpdatePreferences(context.Background(), "lang-user", UpdateInput{
Language: strPtr("fr"),
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Language != "fr" {
t.Errorf("expected language 'fr', got '%s'", prefs.Preferences.Language)
}
})
t.Run("updates all fields together", func(t *testing.T) {
prefs, err := svc.UpdatePreferences(context.Background(), "all-user", UpdateInput{
Theme: strPtr("dark"),
Language: strPtr("de"),
Notifications: &NotificationsInput{
Email: boolPtr(false),
Push: boolPtr(true),
Digest: strPtr("never"),
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if prefs.Preferences.Theme != "dark" {
t.Errorf("expected theme 'dark', got '%s'", prefs.Preferences.Theme)
}
if prefs.Preferences.Language != "de" {
t.Errorf("expected language 'de', got '%s'", prefs.Preferences.Language)
}
if prefs.Preferences.Notifications.Email != false {
t.Error("expected notifications.email false")
}
if prefs.Preferences.Notifications.Push != true {
t.Error("expected notifications.push true")
}
if prefs.Preferences.Notifications.Digest != "never" {
t.Errorf("expected digest 'never', got '%s'", prefs.Preferences.Notifications.Digest)
}
})
t.Run("rejects invalid theme", func(t *testing.T) {
_, err := svc.UpdatePreferences(context.Background(), "invalid-theme-user", UpdateInput{
Theme: strPtr("purple"),
})
if err != domain.ErrInvalidTheme {
t.Errorf("expected ErrInvalidTheme, got %v", err)
}
})
t.Run("rejects invalid digest", func(t *testing.T) {
_, err := svc.UpdatePreferences(context.Background(), "invalid-digest-user", UpdateInput{
Notifications: &NotificationsInput{
Digest: strPtr("monthly"),
},
})
if err != domain.ErrInvalidDigest {
t.Errorf("expected ErrInvalidDigest, got %v", err)
}
})
t.Run("rejects empty language", func(t *testing.T) {
_, err := svc.UpdatePreferences(context.Background(), "empty-lang-user", UpdateInput{
Language: strPtr(""),
})
if err != domain.ErrInvalidLanguage {
t.Errorf("expected ErrInvalidLanguage, got %v", err)
}
})
}

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services/preferences-api/migrations/.gitkeep
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services/preferences-api/server Executable file
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