90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
import {
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type LuaCollectionQuery,
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queryLua,
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} from "../../space_lua/query_collection.ts";
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import type { DataStore } from "../../data/datastore.ts";
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import type { SysCallMapping } from "../system.ts";
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import {
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jsToLuaValue,
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LuaEnv,
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LuaStackFrame,
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luaValueToJS,
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} from "../../space_lua/runtime.ts";
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import type { KvQueryOptions } from "../../data/kv_primitives.ts";
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import type { ClientSystem } from "../../client_system.ts";
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import type { KV, KvKey } from "@silverbulletmd/silverbullet/type/datastore";
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/**
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* Exposes the datastore API to plugs, but scoping everything to a prefix based on the plug's name
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* @param ds the datastore to wrap
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* @param prefix prefix to scope all keys to to which the plug name will be appended
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*/
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export function dataStoreReadSyscalls(
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ds: DataStore,
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clientSystem: ClientSystem,
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): SysCallMapping {
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return {
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"datastore.batchGet": (
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_ctx,
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keys: KvKey[],
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): Promise<(any | undefined)[]> => {
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return ds.batchGet(keys);
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},
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"datastore.get": (_ctx, key: KvKey): Promise<any | null> => {
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return ds.get(key);
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},
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"datastore.query": async (_ctx, options: KvQueryOptions): Promise<KV[]> => {
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const results: KV[] = [];
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for await (const item of ds.query(options)) {
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results.push(item);
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}
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return results;
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},
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"datastore.queryLua": async (
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_ctx,
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prefix: string[],
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query: LuaCollectionQuery,
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scopeVariables?: Record<string, any>,
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): Promise<any[]> => {
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const sf = LuaStackFrame.createWithGlobalEnv(
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clientSystem.spaceLuaEnv.env,
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);
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let env = clientSystem.spaceLuaEnv.env;
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if (scopeVariables) {
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env = new LuaEnv(clientSystem.spaceLuaEnv.env);
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for (const [key, value] of Object.entries(scopeVariables)) {
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env.setLocal(key, jsToLuaValue(value));
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}
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}
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return (await queryLua<any>(ds.kv, prefix, query, env, sf)).map((item) =>
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luaValueToJS(item, sf),
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);
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},
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};
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}
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export function dataStoreWriteSyscalls(ds: DataStore): SysCallMapping {
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return {
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"datastore.delete": (_ctx, key: KvKey) => {
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console.log("Deleting key", key);
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return ds.delete(key);
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},
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"datastore.set": (_ctx, key: KvKey, value: any) => {
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return ds.set(key, value);
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},
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"datastore.batchSet": (_ctx, kvs: KV[]) => {
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return ds.batchSet(kvs);
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},
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"datastore.batchDelete": (_ctx, keys: KvKey[]) => {
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return ds.batchDelete(keys);
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},
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};
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}
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