Add Go rewrite with Postgres 17 and Dokploy Docker Compose

Co-authored-by: Cursor <cursoragent@cursor.com>

Go/internal/web/handlers/install.go

@@ -0,0 +1,71 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"amnezia-share/internal/web"
+)
+
+func registerInstall(a *web.App, mux *http.ServeMux) {
+	mux.HandleFunc("GET /install", InstallForm(a))
+	mux.HandleFunc("POST /install", a.CSRFProtect(InstallSubmit(a)))
+}
+
+type installView struct {
+	Error     string
+	Installed bool
+	DBError   string
+}
+
+// InstallForm renders the single-admin registration form (install.php).
+func InstallForm(a *web.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if a.CurrentAdmin(r) != nil {
+			redirectTo(w, r, a, "admin")
+			return
+		}
+		count, err := a.Auth.AdminCount(r.Context())
+		view := installView{}
+		if err != nil {
+			view.DBError = "Нет связи с базой данных. Проверьте DATABASE_URL и миграции."
+		} else if count > 0 {
+			view.Installed = true
+		}
+		a.Render(w, r, "page_install", view)
+	}
+}
+
+// InstallSubmit creates the sole administrator account (install.php POST).
+func InstallSubmit(a *web.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := r.Context()
+		count, err := a.Auth.AdminCount(ctx)
+		if err != nil {
+			a.Render(w, r, "page_install", installView{DBError: "Нет связи с базой данных."})
+			return
+		}
+		if count > 0 {
+			a.Render(w, r, "page_install", installView{Installed: true})
+			return
+		}
+
+		username := strings.TrimSpace(r.FormValue("username"))
+		p1 := r.FormValue("password")
+		p2 := r.FormValue("password2")
+		if p1 != p2 {
+			a.Render(w, r, "page_install", installView{Error: "Пароли не совпадают."})
+			return
+		}
+
+		admin, err := a.Auth.RegisterFirstAdmin(ctx, username, p1)
+		if err != nil {
+			a.Render(w, r, "page_install", installView{Error: err.Error()})
+			return
+		}
+
+		_ = a.Sessions.RenewToken(ctx)
+		a.Sessions.Put(ctx, web.SessionAdminID, admin.ID)
+		redirectTo(w, r, a, "admin")
+	}
+}