Add Camino service-backed custom fields

src/camino/schema_pb.ts

@@ -12,7 +12,7 @@ import type { Message } from "@bufbuild/protobuf";
  * Describes the file camino/schema.proto.
  */
 export const file_camino_schema: GenFile = /*@__PURE__*/
-  fileDesc("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", [file_quixos_refs]);
+  fileDesc("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", [file_quixos_refs]);
 
 /**
  * @generated from message camino.SymbolRef
@@ -63,6 +63,66 @@ export type Ref = Message<"camino.Ref"> & {
 export const RefSchema: GenMessage<Ref> = /*@__PURE__*/
   messageDesc(file_camino_schema, 1);
 
+/**
+ * @generated from message camino.CustomField
+ */
+export type CustomField = Message<"camino.CustomField"> & {
+};
+
+/**
+ * Describes the message camino.CustomField.
+ * Use `create(CustomFieldSchema)` to create a new message.
+ */
+export const CustomFieldSchema: GenMessage<CustomField> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 2);
+
+/**
+ * @generated from message camino.WatchStartResult
+ */
+export type WatchStartResult = Message<"camino.WatchStartResult"> & {
+  /**
+   * @generated from field: string watch_id = 1;
+   */
+  watchId: string;
+};
+
+/**
+ * Describes the message camino.WatchStartResult.
+ * Use `create(WatchStartResultSchema)` to create a new message.
+ */
+export const WatchStartResultSchema: GenMessage<WatchStartResult> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 3);
+
+/**
+ * @generated from message camino.WatchStopRequest
+ */
+export type WatchStopRequest = Message<"camino.WatchStopRequest"> & {
+  /**
+   * @generated from field: string watch_id = 1;
+   */
+  watchId: string;
+};
+
+/**
+ * Describes the message camino.WatchStopRequest.
+ * Use `create(WatchStopRequestSchema)` to create a new message.
+ */
+export const WatchStopRequestSchema: GenMessage<WatchStopRequest> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 4);
+
+/**
+ * @generated from message camino.WatchStopResult
+ */
+export type WatchStopResult = Message<"camino.WatchStopResult"> & {
+};
+
+/**
+ * Describes the message camino.WatchStopResult.
+ * Use `create(WatchStopResultSchema)` to create a new message.
+ */
+export const WatchStopResultSchema: GenMessage<WatchStopResult> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 5);
+
 /**
  * @generated from message camino.CrdtText
  */
@@ -78,7 +138,7 @@ export type CrdtText = Message<"camino.CrdtText"> & {
  * Use `create(CrdtTextSchema)` to create a new message.
  */
 export const CrdtTextSchema: GenMessage<CrdtText> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 2);
+  messageDesc(file_camino_schema, 6);
 
 /**
  * @generated from message camino.CrdtRichText
@@ -95,7 +155,7 @@ export type CrdtRichText = Message<"camino.CrdtRichText"> & {
  * Use `create(CrdtRichTextSchema)` to create a new message.
  */
 export const CrdtRichTextSchema: GenMessage<CrdtRichText> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 3);
+  messageDesc(file_camino_schema, 7);
 
 /**
  * @generated from message camino.CrdtJson
@@ -112,7 +172,7 @@ export type CrdtJson = Message<"camino.CrdtJson"> & {
  * Use `create(CrdtJsonSchema)` to create a new message.
  */
 export const CrdtJsonSchema: GenMessage<CrdtJson> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 4);
+  messageDesc(file_camino_schema, 8);
 
 /**
  * @generated from message camino.ClassSchema
@@ -157,6 +217,11 @@ export type ClassSchema = Message<"camino.ClassSchema"> & {
    * @generated from field: string proto_message = 8;
    */
   protoMessage: string;
+
+  /**
+   * @generated from field: repeated camino.OperationServiceSchema operation_services = 9;
+   */
+  operationServices: OperationServiceSchema[];
 };
 
 /**
@@ -164,7 +229,7 @@ export type ClassSchema = Message<"camino.ClassSchema"> & {
  * Use `create(ClassSchemaSchema)` to create a new message.
  */
 export const ClassSchemaSchema: GenMessage<ClassSchema> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 5);
+  messageDesc(file_camino_schema, 9);
 
 /**
  * @generated from message camino.FieldSchema
@@ -204,6 +269,11 @@ export type FieldSchema = Message<"camino.FieldSchema"> & {
    * @generated from field: camino.FieldStorage storage = 7;
    */
   storage?: FieldStorage | undefined;
+
+  /**
+   * @generated from field: camino.FieldOps ops = 8;
+   */
+  ops?: FieldOps | undefined;
 };
 
 /**
@@ -211,7 +281,7 @@ export type FieldSchema = Message<"camino.FieldSchema"> & {
  * Use `create(FieldSchemaSchema)` to create a new message.
  */
 export const FieldSchemaSchema: GenMessage<FieldSchema> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 6);
+  messageDesc(file_camino_schema, 10);
 
 /**
  * @generated from message camino.FieldStorage
@@ -238,7 +308,7 @@ export type FieldStorage = Message<"camino.FieldStorage"> & {
  * Use `create(FieldStorageSchema)` to create a new message.
  */
 export const FieldStorageSchema: GenMessage<FieldStorage> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 7);
+  messageDesc(file_camino_schema, 11);
 
 /**
  * @generated from message camino.TypeRef
@@ -260,7 +330,29 @@ export type TypeRef = Message<"camino.TypeRef"> & {
  * Use `create(TypeRefSchema)` to create a new message.
  */
 export const TypeRefSchema: GenMessage<TypeRef> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 8);
+  messageDesc(file_camino_schema, 12);
+
+/**
+ * @generated from message camino.FieldOps
+ */
+export type FieldOps = Message<"camino.FieldOps"> & {
+  /**
+   * @generated from field: camino.FieldImplementation implementation = 1;
+   */
+  implementation: FieldImplementation;
+
+  /**
+   * @generated from field: string service = 2;
+   */
+  service: string;
+};
+
+/**
+ * Describes the message camino.FieldOps.
+ * Use `create(FieldOpsSchema)` to create a new message.
+ */
+export const FieldOpsSchema: GenMessage<FieldOps> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 13);
 
 /**
  * @generated from message camino.EdgeSchema
@@ -307,7 +399,7 @@ export type EdgeSchema = Message<"camino.EdgeSchema"> & {
  * Use `create(EdgeSchemaSchema)` to create a new message.
  */
 export const EdgeSchemaSchema: GenMessage<EdgeSchema> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 9);
+  messageDesc(file_camino_schema, 14);
 
 /**
  * @generated from message camino.MethodSchema
@@ -329,7 +421,7 @@ export type MethodSchema = Message<"camino.MethodSchema"> & {
  * Use `create(MethodSchemaSchema)` to create a new message.
  */
 export const MethodSchemaSchema: GenMessage<MethodSchema> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 10);
+  messageDesc(file_camino_schema, 15);
 
 /**
  * @generated from message camino.MigrationSpec
@@ -356,7 +448,66 @@ export type MigrationSpec = Message<"camino.MigrationSpec"> & {
  * Use `create(MigrationSpecSchema)` to create a new message.
  */
 export const MigrationSpecSchema: GenMessage<MigrationSpec> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 11);
+  messageDesc(file_camino_schema, 16);
+
+/**
+ * @generated from message camino.OperationSchema
+ */
+export type OperationSchema = Message<"camino.OperationSchema"> & {
+  /**
+   * @generated from field: string name = 1;
+   */
+  name: string;
+
+  /**
+   * @generated from field: camino.TypeRef input_type = 2;
+   */
+  inputType?: TypeRef | undefined;
+
+  /**
+   * @generated from field: camino.TypeRef output_type = 3;
+   */
+  outputType?: TypeRef | undefined;
+
+  /**
+   * @generated from field: quixos.FunctionRef function = 4;
+   */
+  function?: FunctionRef | undefined;
+};
+
+/**
+ * Describes the message camino.OperationSchema.
+ * Use `create(OperationSchemaSchema)` to create a new message.
+ */
+export const OperationSchemaSchema: GenMessage<OperationSchema> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 17);
+
+/**
+ * @generated from message camino.OperationServiceSchema
+ */
+export type OperationServiceSchema = Message<"camino.OperationServiceSchema"> & {
+  /**
+   * @generated from field: string name = 1;
+   */
+  name: string;
+
+  /**
+   * @generated from field: string full_name = 2;
+   */
+  fullName: string;
+
+  /**
+   * @generated from field: repeated camino.OperationSchema operations = 3;
+   */
+  operations: OperationSchema[];
+};
+
+/**
+ * Describes the message camino.OperationServiceSchema.
+ * Use `create(OperationServiceSchemaSchema)` to create a new message.
+ */
+export const OperationServiceSchemaSchema: GenMessage<OperationServiceSchema> = /*@__PURE__*/
+  messageDesc(file_camino_schema, 18);
 
 /**
  * @generated from message camino.DocRefDeclaration
@@ -388,7 +539,7 @@ export type DocRefDeclaration = Message<"camino.DocRefDeclaration"> & {
  * Use `create(DocRefDeclarationSchema)` to create a new message.
  */
 export const DocRefDeclarationSchema: GenMessage<DocRefDeclaration> = /*@__PURE__*/
-  messageDesc(file_camino_schema, 12);
+  messageDesc(file_camino_schema, 19);
 
 /**
  * @generated from enum camino.ConflictStrategy
@@ -523,3 +674,24 @@ export enum FieldStorageKind {
  */
 export const FieldStorageKindSchema: GenEnum<FieldStorageKind> = /*@__PURE__*/
   enumDesc(file_camino_schema, 3);
+
+/**
+ * @generated from enum camino.FieldImplementation
+ */
+export enum FieldImplementation {
+  /**
+   * @generated from enum value: FIELD_IMPLEMENTATION_UNSPECIFIED = 0;
+   */
+  FIELD_IMPLEMENTATION_UNSPECIFIED = 0,
+
+  /**
+   * @generated from enum value: SERVICE = 1;
+   */
+  SERVICE = 1,
+}
+
+/**
+ * Describes the enum camino.FieldImplementation.
+ */
+export const FieldImplementationSchema: GenEnum<FieldImplementation> = /*@__PURE__*/
+  enumDesc(file_camino_schema, 4);

src/index.ts

@@ -34,6 +34,7 @@ export type CaminoClient = Client<typeof CaminoService>;
 export type { InvokeRequest, Value };
 
 export type Field<T> = {
+  get(): Promise<T | undefined>;
   set(value: T): Promise<void>;
 };
 
@@ -41,9 +42,25 @@ export type RuntimeHandler<Context> = (
   context: Context,
 ) => Promise<unknown> | unknown;
 
+export type FieldOperation<Context> = {
+  get?: RuntimeHandler<Context>;
+  set?: RuntimeHandler<Context>;
+  watchStart?: RuntimeHandler<Context>;
+  watchStop?: RuntimeHandler<Context>;
+};
+
+export const fieldOps = <Context>(
+  operation: FieldOperation<Context>,
+): FieldOperation<Context> => operation;
+
+export const derivedWithDeps = <Context>(operation: {
+  get: RuntimeHandler<Context>;
+}): FieldOperation<Context> => fieldOps(operation);
+
 export type RuntimeFunctionSpec<ExportName extends string = string> = {
   exportName: ExportName;
   symbol: string;
+  operation?: string;
 };
 
 const isRecord = (value: unknown): value is Record<string, unknown> =>
@@ -203,6 +220,10 @@ export const createField = <T>(
   objectId: string,
   fieldName: string,
 ): Field<T> => ({
+  async get() {
+    const response = await camino.getObject({ objectId });
+    return protoValueToJs(response.object?.fields[fieldName]) as T | undefined;
+  },
   async set(value) {
     await camino.setField({
       objectId,
@@ -221,7 +242,9 @@ export const serveQuixosPackageRuntime = <
   runtimeProtocolVersion: string;
   functions: Spec;
   implementation: {
-    [Name in Spec[number]["exportName"]]: RuntimeHandler<Context>;
+    [Name in Spec[number]["exportName"]]:
+      | RuntimeHandler<Context>
+      | FieldOperation<Context>;
   };
   createContext: (camino: CaminoClient, request: InvokeRequest) => Context;
 }) => {
@@ -242,6 +265,7 @@ export const serveQuixosPackageRuntime = <
       packageNamespace: params.packageNamespace,
       packageName: params.packageName,
       symbol: entry.symbol,
+      operation: entry.operation ?? "",
     }),
   );
 
@@ -261,19 +285,41 @@ export const serveQuixosPackageRuntime = <
           try {
             const symbol = request.function?.symbol ?? "";
             const spec = params.functions.find(
-              (entry) => entry.symbol === symbol,
+              (entry) =>
+                entry.symbol === symbol &&
+                (entry.operation ?? "") === (request.function?.operation ?? ""),
             );
             if (!spec) {
               throw new Error(
-                `Unknown ${params.packageName} function: ${symbol}`,
+                `Unknown ${params.packageName} function: ${symbol}${
+                  request.function?.operation
+                    ? `.${request.function.operation}`
+                    : ""
+                }`,
               );
             }
-            const runtimeFunction = (
+            const implementationExport = (
-              params.implementation as Record<string, RuntimeHandler<Context>>
+              params.implementation as Record<
+                string,
+                RuntimeHandler<Context> | FieldOperation<Context>
+              >
             )[spec.exportName];
+            const runtimeFunction =
+              spec.operation && typeof implementationExport === "object"
+                ? implementationExport[spec.operation as keyof FieldOperation<Context>]
+                : implementationExport;
             if (!runtimeFunction) {
               throw new Error(
-                `Missing ${params.packageName} implementation export: ${spec.exportName}`,
+                `Missing ${params.packageName} implementation export: ${spec.exportName}${
+                  spec.operation ? `.${spec.operation}` : ""
+                }`,
+              );
+            }
+            if (typeof runtimeFunction !== "function") {
+              throw new Error(
+                `${params.packageName} implementation export is not callable: ${spec.exportName}${
+                  spec.operation ? `.${spec.operation}` : ""
+                }`,
               );
             }
             return create(InvokeResponseSchema, {

src/quixos/refs_pb.ts

@@ -10,7 +10,7 @@ import type { Message } from "@bufbuild/protobuf";
  * Describes the file quixos/refs.proto.
  */
 export const file_quixos_refs: GenFile = /*@__PURE__*/
-  fileDesc("ChFxdWl4b3MvcmVmcy5wcm90bxIGcXVpeG9zImMKC0Z1bmN0aW9uUmVmEhkKEXBhY2thZ2VfbmFtZXNwYWNlGAEgASgJEhQKDHBhY2thZ2VfbmFtZRgCIAEoCRIOCgZzeW1ib2wYAyABKAkSEwoLdmVyc2lvbl9yZWYYBCABKAliBnByb3RvMw");
+  fileDesc("ChFxdWl4b3MvcmVmcy5wcm90bxIGcXVpeG9zInYKC0Z1bmN0aW9uUmVmEhkKEXBhY2thZ2VfbmFtZXNwYWNlGAEgASgJEhQKDHBhY2thZ2VfbmFtZRgCIAEoCRIOCgZzeW1ib2wYAyABKAkSEwoLdmVyc2lvbl9yZWYYBCABKAkSEQoJb3BlcmF0aW9uGAUgASgJYgZwcm90bzM");
 
 /**
  * @generated from message quixos.FunctionRef
@@ -35,6 +35,11 @@ export type FunctionRef = Message<"quixos.FunctionRef"> & {
    * @generated from field: string version_ref = 4;
    */
   versionRef: string;
+
+  /**
+   * @generated from field: string operation = 5;
+   */
+  operation: string;
 };
 
 /**