save oauth user_id and link users and accounts

internal/site/accounts.go

@@ -0,0 +1,27 @@
+package site
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// POST /accounts
+func (s *Server) createAccount(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+	email := r.FormValue("email")
+	if email == "" {
+		http.Error(w, "no email provided", http.StatusBadRequest)
+		return
+	}
+
+	userID := getAccessTokenClaims(ctx).Subject
+
+	acct, err := s.accts.CreateAccount(ctx, userID, email)
+	if err != nil {
+		http.Error(w, fmt.Sprintf("failed to create account: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	//http.Redirect(w, r, fmt.Sprintf("/site/accounts/%d", acct.ID), http.StatusSeeOther)
+	http.Redirect(w, r, fmt.Sprintf("/accounts/%d", acct.ID), http.StatusSeeOther)
+}