refactor: split gateway server methods

src/gateway/server-methods/config.ts

@@ -0,0 +1,105 @@
+import {
+  CONFIG_PATH_CLAWDIS,
+  parseConfigJson5,
+  readConfigFileSnapshot,
+  validateConfigObject,
+  writeConfigFile,
+} from "../../config/config.js";
+import { buildConfigSchema } from "../../config/schema.js";
+import {
+  ErrorCodes,
+  errorShape,
+  formatValidationErrors,
+  validateConfigGetParams,
+  validateConfigSchemaParams,
+  validateConfigSetParams,
+} from "../protocol/index.js";
+import type { GatewayRequestHandlers } from "./types.js";
+
+export const configHandlers: GatewayRequestHandlers = {
+  "config.get": async ({ params, respond }) => {
+    if (!validateConfigGetParams(params)) {
+      respond(
+        false,
+        undefined,
+        errorShape(
+          ErrorCodes.INVALID_REQUEST,
+          `invalid config.get params: ${formatValidationErrors(validateConfigGetParams.errors)}`,
+        ),
+      );
+      return;
+    }
+    const snapshot = await readConfigFileSnapshot();
+    respond(true, snapshot, undefined);
+  },
+  "config.schema": ({ params, respond }) => {
+    if (!validateConfigSchemaParams(params)) {
+      respond(
+        false,
+        undefined,
+        errorShape(
+          ErrorCodes.INVALID_REQUEST,
+          `invalid config.schema params: ${formatValidationErrors(validateConfigSchemaParams.errors)}`,
+        ),
+      );
+      return;
+    }
+    const schema = buildConfigSchema();
+    respond(true, schema, undefined);
+  },
+  "config.set": async ({ params, respond }) => {
+    if (!validateConfigSetParams(params)) {
+      respond(
+        false,
+        undefined,
+        errorShape(
+          ErrorCodes.INVALID_REQUEST,
+          `invalid config.set params: ${formatValidationErrors(validateConfigSetParams.errors)}`,
+        ),
+      );
+      return;
+    }
+    const rawValue = (params as { raw?: unknown }).raw;
+    if (typeof rawValue !== "string") {
+      respond(
+        false,
+        undefined,
+        errorShape(
+          ErrorCodes.INVALID_REQUEST,
+          "invalid config.set params: raw (string) required",
+        ),
+      );
+      return;
+    }
+    const parsedRes = parseConfigJson5(rawValue);
+    if (!parsedRes.ok) {
+      respond(
+        false,
+        undefined,
+        errorShape(ErrorCodes.INVALID_REQUEST, parsedRes.error),
+      );
+      return;
+    }
+    const validated = validateConfigObject(parsedRes.parsed);
+    if (!validated.ok) {
+      respond(
+        false,
+        undefined,
+        errorShape(ErrorCodes.INVALID_REQUEST, "invalid config", {
+          details: { issues: validated.issues },
+        }),
+      );
+      return;
+    }
+    await writeConfigFile(validated.config);
+    respond(
+      true,
+      {
+        ok: true,
+        path: CONFIG_PATH_CLAWDIS,
+        config: validated.config,
+      },
+      undefined,
+    );
+  },
+};