refactor: move session management to dedicated database module

internal/database/sessions/models.go

@@ -0,0 +1,57 @@
+package sessions
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+	"gorm.io/gorm"
+)
+
+var (
+	ErrInvalidCredentials = echo.NewHTTPError(http.StatusUnauthorized, "Invalid credentials")
+	ErrInvalidSubject     = echo.NewHTTPError(http.StatusBadRequest, "Invalid subject")
+	ErrInvalidUser        = echo.NewHTTPError(http.StatusBadRequest, "Invalid user")
+
+	ErrUserAlreadyExists = echo.NewHTTPError(http.StatusConflict, "User already exists")
+	ErrUserNotFound      = echo.NewHTTPError(http.StatusNotFound, "User not found")
+)
+
+// Define the credential structure matching our frontend data
+type Credential struct {
+	ID                      string                 `json:"id"`
+	RawID                   string                 `json:"rawId"`
+	Type                    string                 `json:"type"`
+	AuthenticatorAttachment string                 `json:"authenticatorAttachment"`
+	Transports              []string               `json:"transports"`
+	ClientExtensionResults  map[string]interface{} `json:"clientExtensionResults"`
+	Response                struct {
+		AttestationObject string `json:"attestationObject"`
+		ClientDataJSON    string `json:"clientDataJSON"`
+	} `json:"response"`
+}
+
+type User struct {
+	gorm.Model
+	Address     string        `json:"address"`
+	Handle      string        `json:"handle"`
+	Name        string        `json:"name"`
+	CID         string        `json:"cid"`
+	Credentials []*Credential `json:"credentials"`
+}
+
+type Session struct {
+	gorm.Model
+	ID               string `json:"id" gorm:"primaryKey"`
+	BrowserName      string `json:"browserName"`
+	BrowserVersion   string `json:"browserVersion"`
+	UserArchitecture string `json:"userArchitecture"`
+	Platform         string `json:"platform"`
+	PlatformVersion  string `json:"platformVersion"`
+	DeviceModel      string `json:"deviceModel"`
+	UserHandle       string `json:"userHandle"`
+	FirstName        string `json:"firstName"`
+	LastInitial      string `json:"lastInitial"`
+	VaultAddress     string `json:"vaultAddress"`
+	HumanSum         int    `json:"humanSum"`
+	Challenge        string `json:"challenge"`
+}

internal/database/sessions/sqlite.go

@@ -0,0 +1,43 @@
+package sessions
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/onsonr/sonr/internal/gateway/config"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+// InitDB initializes and returns a configured database connection
+func InitDB(env config.Env) (*gorm.DB, error) {
+	path := formatDBPath(env.GetSqliteFile())
+	db, err := gorm.Open(sqlite.Open(path), &gorm.Config{})
+	if err != nil {
+		return nil, err
+	}
+
+	// Migrate the schema
+	db.AutoMigrate(&Session{})
+	db.AutoMigrate(&User{})
+
+	return db, nil
+}
+
+func formatDBPath(path string) string {
+	home := os.Getenv("HOME")
+	if home == "" {
+		home = os.Getenv("USERPROFILE")
+	}
+	if home == "" {
+		home = "."
+	}
+
+	configDir := filepath.Join(home, ".config", "hway")
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		// If we can't create the directory, fall back to current directory
+		return path
+	}
+
+	return filepath.Join(configDir, path)
+}