Initial commit

src/preset/store.ts

@@ -0,0 +1,67 @@
+import { readdirSync, readFileSync, unlinkSync, writeFileSync } from "node:fs";
+import path from "node:path";
+import type { PresetPackage } from "../types/preset.js";
+import { ensureUserDataDirs, getPresetsDir } from "../config/user-data-dir.js";
+import { importSillyTavernPreset } from "./importer.js";
+
+function presetPath(id: string): string {
+  return path.join(getPresetsDir(), `${id}.json`);
+}
+
+export function listPresets(): PresetPackage[] {
+  ensureUserDataDirs();
+  let files: string[];
+  try {
+    files = readdirSync(getPresetsDir()).filter((f) => f.endsWith(".json"));
+  } catch {
+    return [];
+  }
+
+  const presets: PresetPackage[] = [];
+  for (const file of files) {
+    try {
+      const raw = readFileSync(path.join(getPresetsDir(), file), "utf8");
+      presets.push(JSON.parse(raw) as PresetPackage);
+    } catch {
+      /* skip corrupt files */
+    }
+  }
+  return presets.sort((a, b) => a.name.localeCompare(b.name, "zh-CN"));
+}
+
+export function getPreset(id: string): PresetPackage | null {
+  try {
+    const raw = readFileSync(presetPath(id), "utf8");
+    return JSON.parse(raw) as PresetPackage;
+  } catch {
+    return null;
+  }
+}
+
+export function savePreset(preset: PresetPackage): PresetPackage {
+  ensureUserDataDirs();
+  writeFileSync(presetPath(preset.id), JSON.stringify(preset, null, 2), "utf8");
+  return preset;
+}
+
+export function deletePreset(id: string): void {
+  try {
+    unlinkSync(presetPath(id));
+  } catch {
+    /* ignore */
+  }
+}
+
+export function importAndSavePreset(
+  raw: unknown,
+  options: { name?: string } = {},
+) {
+  const report = importSillyTavernPreset(raw, options);
+  savePreset(report.preset);
+  return report;
+}
+
+export function resolveActivePreset(activePresetId: string | null): PresetPackage | null {
+  if (!activePresetId) return null;
+  return getPreset(activePresetId);
+}