improve vault manager, refactor vault operations into shared service.

services/vault-service.js

@@ -0,0 +1,118 @@
+const API_BASE = "/api/vault";
+
+async function fetchJson(url, options) {
+  const res = await fetch(url, options);
+
+  if (!res.ok) {
+    const data = await res.json().catch(() => ({ error: res.statusText }));
+    throw new Error(data.error || "Request failed");
+  }
+
+  return res.json();
+}
+
+export const vaultService = {
+  getCurrentVaultId() {
+    return window.__currentVaultId || "";
+  },
+
+  async listVaults() {
+    const list = await fetchJson(API_BASE + "/list");
+
+    window.__vaultList = list;
+
+    return list;
+  },
+
+  listVaultsSync() {
+    const xhr = new XMLHttpRequest();
+
+    xhr.open("GET", API_BASE + "/list", false);
+    xhr.send();
+
+    if (xhr.status === 200) {
+      const list = JSON.parse(xhr.responseText);
+
+      window.__vaultList = list;
+
+      return list;
+    }
+
+    return [];
+  },
+
+  async createVault(name) {
+    await fetchJson(API_BASE + "/create", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ name }),
+    });
+
+    return this.listVaults();
+  },
+
+  createVaultSync(name) {
+    const xhr = new XMLHttpRequest();
+
+    xhr.open("POST", API_BASE + "/create", false);
+    xhr.setRequestHeader("Content-Type", "application/json");
+    xhr.send(JSON.stringify({ name }));
+
+    if (xhr.status >= 400) {
+      return null;
+    }
+
+    return true;
+  },
+
+  async renameVault(id, newName) {
+    await fetchJson(API_BASE + "/rename", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ vault: id, name: newName }),
+    });
+
+    if (id === this.getCurrentVaultId()) {
+      window.__currentVaultId = newName;
+
+      if (window.__vaultConfig) {
+        window.__vaultConfig.id = newName;
+      }
+    }
+
+    return this.listVaults();
+  },
+
+  async deleteVault(id) {
+    await fetchJson(
+      API_BASE + "/remove?vault=" + encodeURIComponent(id),
+      { method: "DELETE" },
+    );
+
+    const wasCurrentVault = id === this.getCurrentVaultId();
+
+    await this.listVaults();
+
+    return { wasCurrentVault };
+  },
+
+  deleteVaultSync(id) {
+    const xhr = new XMLHttpRequest();
+
+    xhr.open(
+      "DELETE",
+      API_BASE + "/remove?vault=" + encodeURIComponent(id),
+      false,
+    );
+
+    xhr.send();
+
+    return xhr.status < 400;
+  },
+
+  openVault(id) {
+    const target = window.parent !== window ? window.parent : window;
+
+    target.location.href = "/?vault=" + encodeURIComponent(id);
+  },
+};