101 lines
2.7 KiB
TypeScript
101 lines
2.7 KiB
TypeScript
import Debug from 'debug';
|
|
import {BasicCollection} from '../src/collection-basic';
|
|
import {Entity} from "../src/entity";
|
|
import {RhizomeNode} from "../src/node";
|
|
const debug = Debug('example-app');
|
|
|
|
// As an app we want to be able to write and read data.
|
|
// The data is whatever shape we define it to be in a given context.
|
|
// So we want access to an API that is integrated with our declarations of
|
|
// e.g. entities and their properties.
|
|
|
|
type User = {
|
|
id?: string;
|
|
name: string;
|
|
nameLong?: string;
|
|
email?: string;
|
|
age: number;
|
|
};
|
|
|
|
(async () => {
|
|
const rhizomeNode = new RhizomeNode();
|
|
|
|
// Enable API to read lossless view
|
|
rhizomeNode.httpServer.httpApi.serveLossless();
|
|
|
|
const users = new BasicCollection("user");
|
|
users.rhizomeConnect(rhizomeNode);
|
|
|
|
users.onUpdate((u: Entity) => {
|
|
debug(`[${rhizomeNode.config.peerId}]`, 'User updated:', u);
|
|
});
|
|
|
|
users.onCreate((u: Entity) => {
|
|
debug(`[${rhizomeNode.config.peerId}]`, 'New user!:', u);
|
|
});
|
|
|
|
await rhizomeNode.start();
|
|
|
|
// TODO: Use the rhizomic database for some more things.
|
|
// Like what?
|
|
// - Logging
|
|
// - Chat
|
|
|
|
// TODO: Allow configuration regarding read/write concern i.e.
|
|
// if we perform a read immediately do we see the value we wrote?
|
|
// Intuition says yes, we want that-- but how do we expose the propagation status?
|
|
|
|
// Insert a "user" record
|
|
|
|
const taliesinData: User = {
|
|
id: 'taliesin-1',
|
|
name: 'Taliesin',
|
|
nameLong: 'Taliesin (Ladd)',
|
|
age: Math.floor(Math.random() * 1000)
|
|
};
|
|
|
|
{
|
|
const taliesinPutResult = await users.put(undefined, taliesinData);
|
|
const resolvedUser = {
|
|
id: taliesinPutResult.id,
|
|
...taliesinPutResult.properties
|
|
} as User;
|
|
const result = JSON.stringify(resolvedUser);
|
|
const expected = JSON.stringify(taliesinData);
|
|
|
|
if (result === expected) {
|
|
debug(`[${rhizomeNode.config.peerId}]`, 'Put result matches expected: ' + expected);
|
|
} else {
|
|
debug(`[${rhizomeNode.config.peerId}]`, `Put result does not match expected.` +
|
|
`\n\nExpected \n${expected}` +
|
|
`\nReceived\n${result}`);
|
|
}
|
|
}
|
|
|
|
// Read back what we wrote
|
|
|
|
{
|
|
const resolved = users.resolve('taliesin-1');
|
|
if (!resolved) throw new Error('unable to resolve entity we just created');
|
|
|
|
const resolvedUser = {
|
|
id: resolved.id,
|
|
...resolved.properties
|
|
} as User;
|
|
|
|
const result = JSON.stringify(resolvedUser);
|
|
const expected = JSON.stringify(taliesinData);
|
|
|
|
if (result === expected) {
|
|
debug(`[${rhizomeNode.config.peerId}]`, 'Get result matches expected: ' + expected);
|
|
} else {
|
|
debug(`[${rhizomeNode.config.peerId}]`, `Get result does not match expected.` +
|
|
`\n\nExpected \n${expected}` +
|
|
`\nReceived\n${result}`);
|
|
}
|
|
}
|
|
|
|
|
|
})();
|
|
|