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⚡ Cache daily activity API response #24

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⚡ Cache daily activity API response #24

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17 changes: 12 additions & 5 deletions Withings.Example/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,15 @@
using System.Text.Json;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.DependencyInjection;
using Withings.NET.Client;
using Withings.NET.Models;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddMemoryCache();
builder.Services.AddDistributedMemoryCache();
builder.Services.AddSession(options =>
{
Expand Down Expand Up @@ -84,18 +86,23 @@
return Results.Json(activity);
});

app.MapGet("/api/withings/dailyactivity", async (HttpContext context, WithingsClient client) =>
app.MapGet("/api/withings/dailyactivity", async (HttpContext context, WithingsClient client, IMemoryCache cache) =>
{
var userId = context.Session.GetString("UserId");
var accessToken = context.Session.GetString("AccessToken");

if (string.IsNullOrEmpty(userId) || string.IsNullOrEmpty(accessToken))
return Results.Unauthorized();

var activity = await client.GetActivityMeasures(
DateTime.Today.AddDays(-30),
userId,
accessToken);
var cacheKey = $"dailyactivity_{userId}_{DateTime.Today:yyyyMMdd}";
var activity = await cache.GetOrCreateAsync(cacheKey, async entry =>
{
entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(10);
return await client.GetActivityMeasures(
DateTime.Today.AddDays(-30),
userId,
accessToken);
});
return Results.Json(activity);
});

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