chore: cleanup and route refactoring

Signed-off-by: allanice001 <allanice001@gmail.com>

internal/api/mount_db_studio.go

@@ -0,0 +1,53 @@
+package api
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	pgapi "github.com/sosedoff/pgweb/pkg/api"
+	pgclient "github.com/sosedoff/pgweb/pkg/client"
+	pgcmd "github.com/sosedoff/pgweb/pkg/command"
+)
+
+func PgwebHandler(dbURL, prefix string, readonly bool) (http.Handler, error) {
+	// Normalize prefix for pgweb:
+	//  - no leading slash
+	//  - always trailing slash if not empty
+	prefix = strings.Trim(prefix, "/")
+	if prefix != "" {
+		prefix = prefix + "/"
+	}
+
+	pgcmd.Opts = pgcmd.Options{
+		URL:         dbURL,
+		Prefix:      prefix, // e.g. "db-studio/"
+		ReadOnly:    readonly,
+		Sessions:    false,
+		LockSession: true,
+		SkipOpen:    true,
+	}
+
+	cli, err := pgclient.NewFromUrl(dbURL, nil)
+	if err != nil {
+		return nil, err
+	}
+	if readonly {
+		_ = cli.SetReadOnlyMode()
+	}
+
+	if err := cli.Test(); err != nil {
+		return nil, err
+	}
+
+	pgapi.DbClient = cli
+
+	gin.SetMode(gin.ReleaseMode)
+	g := gin.New()
+	g.Use(gin.Recovery())
+
+	pgapi.SetupRoutes(g)
+	pgapi.SetupMetrics(g)
+
+	return g, nil
+}