app/repository/interfaces.go

@@ -29,3 +29,8 @@ type AuthorRepository interface {
 	// It returns an error if the author is not found
 	FindByName(name string) (*model.Author, error)
 }
+
+type SiteConfigRepository interface {
+	Get() (model.SiteConfig, error)
+	Update(siteConfig model.SiteConfig) error
+}

domain/model/siteconfig.go

@@ -0,0 +1,33 @@
+package model
+
+type MeLinks struct {
+	Name string
+	Url  string
+}
+
+type EntryList struct {
+	Id       string
+	Title    string
+	Include  []string
+	ListType string
+}
+
+type MenuItem struct {
+	Title string
+	List  string
+	Url   string
+	Post  string
+}
+
+type SiteConfig struct {
+	Title              string
+	SubTitle           string
+	HeaderColor        string
+	AuthorName         string
+	Me                 []MeLinks
+	Lists              []EntryList
+	PrimaryListInclude []string
+	HeaderMenu         []MenuItem
+	FooterMenu         []MenuItem
+	Secret             string
+}

infra/site_config_repository.go

@@ -0,0 +1,62 @@
+package infra
+
+import (
+	"encoding/json"
+	"owl-blogs/app/repository"
+	"owl-blogs/domain/model"
+
+	"github.com/jmoiron/sqlx"
+)
+
+type DefaultSiteConfigRepo struct {
+	db *sqlx.DB
+}
+
+func NewSiteConfigRepo(db Database) repository.SiteConfigRepository {
+	sqlxdb := db.Get()
+
+	sqlxdb.MustExec(`
+		CREATE TABLE IF NOT EXISTS site_config (
+			config TEXT
+		);
+	`)
+
+	return &DefaultSiteConfigRepo{
+		db: sqlxdb,
+	}
+}
+
+// Get implements repository.SiteConfigRepository.
+func (r *DefaultSiteConfigRepo) Get() (model.SiteConfig, error) {
+	data := []byte{}
+	err := r.db.Get(&data, "SELECT config FROM site_config LIMIT 1")
+	if err != nil {
+		if err.Error() == "sql: no rows in result set" {
+			return model.SiteConfig{}, nil
+		}
+		return model.SiteConfig{}, err
+	}
+	if len(data) == 0 {
+		return model.SiteConfig{}, nil
+	}
+	config := model.SiteConfig{}
+	err = json.Unmarshal(data, &config)
+	return config, err
+}
+
+// Update implements repository.SiteConfigRepository.
+func (r *DefaultSiteConfigRepo) Update(siteConfig model.SiteConfig) error {
+	jsonData, err := json.Marshal(siteConfig)
+	if err != nil {
+		return err
+	}
+	res, err := r.db.Exec("UPDATE site_config SET config = ?", jsonData)
+	if err != nil {
+		return err
+	}
+	rows, err := res.RowsAffected()
+	if rows == 0 {
+		_, err = r.db.Exec("INSERT INTO site_config (config) VALUES (?)", jsonData)
+	}
+	return err
+}

infra/site_config_repository_test.go

@@ -0,0 +1,68 @@
+package infra_test
+
+import (
+	"owl-blogs/app/repository"
+	"owl-blogs/infra"
+	"owl-blogs/test"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func setupSiteConfigRepo() repository.SiteConfigRepository {
+	db := test.NewMockDb()
+	repo := infra.NewSiteConfigRepo(db)
+	return repo
+}
+
+func TestSiteConfigRepo(t *testing.T) {
+	repo := setupSiteConfigRepo()
+
+	config, err := repo.Get()
+	require.NoError(t, err)
+	require.Equal(t, "", config.Title)
+	require.Equal(t, "", config.SubTitle)
+
+	config.Title = "title"
+	config.SubTitle = "SubTitle"
+
+	err = repo.Update(config)
+	require.NoError(t, err)
+
+	config2, err := repo.Get()
+	require.NoError(t, err)
+	require.Equal(t, "title", config2.Title)
+	require.Equal(t, "SubTitle", config2.SubTitle)
+}
+
+func TestSiteConfigUpdates(t *testing.T) {
+	repo := setupSiteConfigRepo()
+
+	config, err := repo.Get()
+	require.NoError(t, err)
+	require.Equal(t, "", config.Title)
+	require.Equal(t, "", config.SubTitle)
+
+	config.Title = "title"
+	config.SubTitle = "SubTitle"
+
+	err = repo.Update(config)
+	require.NoError(t, err)
+
+	config2, err := repo.Get()
+	require.NoError(t, err)
+	require.Equal(t, "title", config2.Title)
+	require.Equal(t, "SubTitle", config2.SubTitle)
+
+	config2.Title = "title2"
+	config2.SubTitle = "SubTitle2"
+
+	err = repo.Update(config2)
+	require.NoError(t, err)
+
+	config3, err := repo.Get()
+	require.NoError(t, err)
+	require.Equal(t, "title2", config3.Title)
+	require.Equal(t, "SubTitle2", config3.SubTitle)
+
+}