92 lines
3.1 KiB
TypeScript
92 lines
3.1 KiB
TypeScript
import express, {Router} from "express";
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import {Collection} from "src/collection";
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import {Delta} from "src/delta";
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import {RhizomeNode} from "src/node";
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export class HttpApi {
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router = Router();
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constructor(readonly rhizomeNode: RhizomeNode) {
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// --------------- deltas ----------------
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// Serve list of all deltas accepted
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// TODO: This won't scale well
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this.router.get("/deltas", (_req: express.Request, res: express.Response) => {
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res.json(this.rhizomeNode.deltaStream.deltasAccepted);
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});
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// Get the number of deltas ingested by this node
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this.router.get("/deltas/count", (_req: express.Request, res: express.Response) => {
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res.json(this.rhizomeNode.deltaStream.deltasAccepted.length);
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});
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// --------------- peers ----------------
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// Get the list of peers seen by this node (including itself)
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this.router.get("/peers", (_req: express.Request, res: express.Response) => {
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res.json(this.rhizomeNode.peers.peers.map(({reqAddr, publishAddr, isSelf, isSeedPeer}) => {
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const deltasAcceptedCount = this.rhizomeNode.deltaStream.deltasAccepted
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.filter((delta: Delta) => {
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return delta.receivedFrom?.addr == reqAddr.addr &&
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delta.receivedFrom?.port == reqAddr.port;
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})
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.length;
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const peerInfo = {
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reqAddr: reqAddr.toAddrString(),
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publishAddr: publishAddr?.toAddrString(),
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isSelf,
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isSeedPeer,
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deltaCount: {
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accepted: deltasAcceptedCount
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}
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};
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return peerInfo;
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}));
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});
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// Get the number of peers seen by this node (including itself)
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this.router.get("/peers/count", (_req: express.Request, res: express.Response) => {
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res.json(this.rhizomeNode.peers.peers.length);
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});
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}
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serveCollection(collection: Collection) {
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const {name} = collection;
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// Get the ID of all domain entities
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this.router.get(`/${name}/ids`, (_req: express.Request, res: express.Response) => {
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res.json({ids: collection.getIds()});
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});
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// Get a single domain entity by ID
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this.router.get(`/${name}/:id`, (req: express.Request, res: express.Response) => {
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const {params: {id}} = req;
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const ent = collection.resolve(id);
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if (!ent) {
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res.status(404).send({error: "Not Found"});
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return;
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}
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res.json(ent);
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});
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// Add a new domain entity
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// TODO: schema validation
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this.router.put(`/${name}`, async (req: express.Request, res: express.Response) => {
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const {body: {id, properties}} = req;
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const ent = await collection.put(id, properties);
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res.json(ent);
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});
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// Update a domain entity
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this.router.put(`/${name}/:id`, async (req: express.Request, res: express.Response) => {
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const {body: properties, params: {id}} = req;
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if (properties.id && properties.id !== id) {
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res.status(400).json({error: "ID Mismatch", param: id, property: properties.id});
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return;
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}
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const ent = await collection.put(id, properties);
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res.json(ent);
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});
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}
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}
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