Implement new Santiago region (WIP)

1 files changed, 81 insertions, 0 deletions

diff --git a/src/Costasdev.Busurbano.Backend/SantiagoController.cs b/src/Costasdev.Busurbano.Backend/SantiagoController.cs
new file mode 100644
index 0000000..51a76c6
--- /dev/null
+++ b/src/Costasdev.Busurbano.Backend/SantiagoController.cs
@@ -0,0 +1,81 @@
+using System.Text.Json;
+using Costasdev.VigoTransitApi.Types;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace Costasdev.Busurbano.Backend;
+
+[ApiController]
+[Route("api/santiago")]
+public class SantiagoController : ControllerBase
+{
+    private readonly IMemoryCache _cache;
+    private readonly HttpClient _httpClient;
+
+    public SantiagoController(HttpClient http, IMemoryCache cache)
+    {
+        _cache = cache;
+        _httpClient = http;
+    }
+
+    [HttpGet("GetStopEstimates")]
+    public async Task<IActionResult> Run()
+    {
+        var argumentAvailable = Request.Query.TryGetValue("id", out var requestedStopIdString);
+        if (!argumentAvailable)
+        {
+            return BadRequest("Please provide a stop id as a query parameter with the name 'id'.");
+        }
+
+        var argumentNumber = int.TryParse(requestedStopIdString, out var requestedStopId);
+        if (!argumentNumber)
+        {
+            return BadRequest("The provided stop id is not a valid number.");
+        }
+
+        try
+        {
+            var obj = await _httpClient.GetFromJsonAsync<JsonDocument>(
+                $"https://app.tussa.org/tussa/api/paradas/{requestedStopId}");
+
+            if (obj is null)
+            {
+                return BadRequest("No response returned from the API, or whatever");
+            }
+
+            var root = obj.RootElement;
+
+            List<StopEstimate> estimates = root
+                .GetProperty("lineas")
+                .EnumerateArray()
+                .Select(el => new StopEstimate(
+                    el.GetProperty("sinoptico").GetString() ?? string.Empty,
+                    el.GetProperty("nombre").GetString() ?? string.Empty,
+                    el.GetProperty("minutosProximoPaso").GetInt32(),
+                    0
+                )).ToList();
+
+            return new OkObjectResult(new StopEstimateResponse
+            {
+                Stop = new StopEstimateResponse.StopInfo
+                {
+                    Name = root.GetProperty("nombre").GetString() ?? string.Empty,
+                    Id = root.GetProperty("id").GetInt32(),
+                    Latitude = root.GetProperty("coordenadas").GetProperty("latitud").GetDecimal(),
+                    Longitude = root.GetProperty("coordenadas").GetProperty("longitud").GetDecimal()
+                },
+                Estimates = estimates
+            });
+        }
+        catch (InvalidOperationException)
+        {
+            return new BadRequestObjectResult("Stop not found");
+        }
+    }
+
+    [HttpGet("GetStopTimetable")]
+    public async Task<IActionResult> GetStopTimetable()
+    {
+        throw new NotImplementedException();
+    }
+}