gadgetbridge integration

.gitignore

@@ -25,3 +25,6 @@ yarn-error.log*
 # Environment
 .env
 .env.local
+
+# Gadgetbridge DB
+/src/gadgetbridge/db/*

src/config.ts

@@ -6,6 +6,11 @@ export const Config = {
 	api_key: process.env.API_KEY,
 	port: process.env.PORT || "8080",
 
+	gadgetbridge: {
+		db_path:
+			process.env.GADGETBRIDGE_DB_PATH || "src/gadgetbridge/db/Gadgetbridge.db",
+	},
+
 	grist: {
 		api_url: process.env.GRIST_API_URL || "",
 		api_token: process.env.GRIST_API_TOKEN || "",

src/gadgetbridge/client.ts

@@ -0,0 +1,27 @@
+import { DatabaseSync } from "node:sqlite";
+
+export type StepRow = {
+	date: string;
+	steps: number;
+};
+
+export class GadgetbridgeClient {
+	private db: DatabaseSync;
+
+	constructor(dbPath: string) {
+		this.db = new DatabaseSync(dbPath, { open: true });
+	}
+
+	getStepsPerDay(fromTimestamp: number, toTimestamp: number): StepRow[] {
+		const stmt = this.db.prepare(`
+			SELECT
+				DATE(TIMESTAMP, 'unixepoch', 'localtime') AS date,
+				SUM(STEPS) AS steps
+			FROM HUAMI_EXTENDED_ACTIVITY_SAMPLE
+			WHERE TIMESTAMP >= ? AND TIMESTAMP < ?
+			GROUP BY date
+			ORDER BY date
+		`);
+		return stmt.all(fromTimestamp, toTimestamp) as StepRow[];
+	}
+}

src/gadgetbridge/private-routes.ts

@@ -0,0 +1,53 @@
+import type { FastifyInstance } from "fastify";
+import { z } from "zod";
+import type { GadgetbridgeService } from "./service.js";
+
+const dateRegex = /^\d{4}-\d{2}-\d{2}$/;
+
+export async function privateGadgetbridgeRoutes(
+	fastify: FastifyInstance,
+	{ gadgetbridgeService }: { gadgetbridgeService: GadgetbridgeService },
+) {
+	fastify.get(
+		"/gadgetbridge/steps",
+		{
+			schema: {
+				description: "Get steps per day for a timespan",
+				tags: ["gadgetbridge"],
+				querystring: z.object({
+					from: z.string().regex(dateRegex, "Must be YYYY-MM-DD"),
+					to: z.string().regex(dateRegex, "Must be YYYY-MM-DD"),
+				}),
+				response: {
+					200: z.array(
+						z.object({
+							date: z.string(),
+							steps: z.number(),
+						}),
+					),
+					418: z.object({
+						error: z.string(),
+					}),
+				},
+			},
+		},
+		async (request, reply) => {
+			const { from, to } = request.query as any;
+
+			const fromDate = new Date(`${from}T00:00:00`);
+			const toDate = new Date(`${to}T00:00:00`);
+
+			const service_result = gadgetbridgeService.getStepsForTimespan(
+				fromDate,
+				toDate,
+			);
+
+			if (!service_result.successful) {
+				reply.code(418);
+				return { error: service_result.result };
+			}
+
+			return service_result.result;
+		},
+	);
+}

src/gadgetbridge/service.ts

@@ -0,0 +1,23 @@
+import { BaseService, type ServiceResult } from "@dpu/shared";
+import type { GadgetbridgeClient, StepRow } from "./client.js";
+
+export class GadgetbridgeService extends BaseService<GadgetbridgeClient> {
+	getStepsForTimespan(
+		from: Date,
+		to: Date,
+	): ServiceResult<StepRow[] | string> {
+		try {
+			const fromTs = Math.floor(from.getTime() / 1000);
+			// Add one day to make `to` inclusive
+			const toTs = Math.floor(to.getTime() / 1000) + 86400;
+
+			const rows = this.getClient().getStepsPerDay(fromTs, toTs);
+			return this.getSuccessfulResult(rows);
+		} catch (error) {
+			return this.getErrorResult(
+				"error getting steps from gadgetbridge.",
+				error,
+			);
+		}
+	}
+}

src/index.ts

@@ -19,6 +19,9 @@ import type { OpenAPIV3 } from "openapi-types";
 import { SwaggerTheme, SwaggerThemeNameEnum } from "swagger-themes";
 import { z } from "zod";
 import { Config } from "./config.js";
+import { GadgetbridgeClient } from "./gadgetbridge/client.js";
+import { privateGadgetbridgeRoutes } from "./gadgetbridge/private-routes.js";
+import { GadgetbridgeService } from "./gadgetbridge/service.js";
 import { GristClient } from "./grist/client.js";
 import { privateGristRoutes } from "./grist/private-routes.js";
 import { GristService } from "./grist/service.js";
@@ -82,6 +85,7 @@ await publicServer.register(
 await privateServer.register(
 	fastifySwagger,
 	getSwaggerObject([
+		{ url: "http://localhost:8080", description: "dev" },
 		{ url: "http://192.168.178.161:20001", description: "prod" },
 	]),
 );
@@ -136,6 +140,9 @@ await privateServer.register(fastifyAxios, getAxiosConfig());
 await publicServer.register(fastifyWebsocket);
 
 // Clients and Services
+const gadgetbridgeClient = new GadgetbridgeClient(Config.gadgetbridge.db_path);
+const gadgetbridgeService = new GadgetbridgeService(gadgetbridgeClient);
+
 const gristClient = new GristClient(privateServer.axios.grist);
 const gristService = new GristService(gristClient);
 
@@ -171,6 +178,9 @@ async function verifyAPIKey(
 // Register routes
 await publicServer.register(publicWsRoutes, { wsService, hpService });
 
+await privateServer.register(privateGadgetbridgeRoutes, {
+	gadgetbridgeService,
+});
 await privateServer.register(privateGristRoutes, { gristService });
 await privateServer.register(privateHomeAssistantRoutes, {
 	haService,