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Program.cs
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Program.cs
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using KalypsoApp;
using KalypsoApp.Data;
using KalypsoApp.Models;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Swashbuckle.AspNetCore.SwaggerUI;
var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services.AddCors();
var connectionStringItem = builder.Configuration.GetConnectionString("DefaultConnection");
builder.Services.AddDbContext<KalypsoDbContext>(o => o.UseSqlite(connectionStringItem));
var app = builder.Build();
// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
app.UseCors("AnyOrigin");
app.UseSwagger();
app.UseSwaggerUI();
}
app.UseHttpsRedirection();
app.MapPost("/shortenurl", handler: async (UrlCustomDto url, KalypsoDbContext db, HttpContext ctx) =>
{
if (!Uri.TryCreate(url.Url, UriKind.Absolute, out var inputUrl))
return Results.BadRequest("Invalid Url has been provided");
if (string.IsNullOrEmpty(url.UrlCustomPart) || url.UrlCustomPart.Length<7)
return Results.BadRequest("Valid UrlCustomPart has not been provided");
var randomStrItem = KalypsoHelper.GetRandomString();
var resultItem = KalypsoHelper.GetRequestUrl(ctx, randomStrItem);
var urlModel = new UrlManagement(url.Url, resultItem, randomStrItem);
db.Urls.Add(urlModel);
await db.SaveChangesAsync();
var urlShortItem = new UrlShortResponseDto(resultItem);
return Results.Ok(urlShortItem);
});
app.MapGet("/getlongurl", handler: async (string urlParam, KalypsoDbContext db, HttpContext ctx) =>
{
if(String.IsNullOrEmpty(urlParam) || !Uri.IsWellFormedUriString(urlParam, UriKind.Absolute))
{
return Results.BadRequest("Invalid urlParam");
}
Uri baseUri = new Uri(urlParam);
if (!Uri.TryCreate(baseUri.AbsoluteUri, UriKind.Absolute, out var inputUrl))
return Results.BadRequest("Invalid Url has been provided");
var urlMatchItem = await db.Urls.FirstOrDefaultAsync(x => x.ShortUrl.Trim() == urlParam.Trim());
if (urlMatchItem == null)
return Results.BadRequest("Not Found Short URL");
return Results.Redirect(urlMatchItem.Url);
});
app.MapPost("/shorturl", handler: async (UrlDto url, KalypsoDbContext db, HttpContext ctx) =>
{
if (!Uri.TryCreate(url.Url, UriKind.Absolute, out var inputUrl))
return Results.BadRequest("Invalid Url has been provided");
var randomStrItem = KalypsoHelper.GetRandomString();
var resultItem = KalypsoHelper.GetRequestUrl(ctx,randomStrItem);
var urlModel = new UrlManagement(url.Url, resultItem, randomStrItem);
db.Urls.Add(urlModel);
await db.SaveChangesAsync();
var urlShortItem = new UrlShortResponseDto(resultItem);
return Results.Ok(urlShortItem);
});
app.MapFallback(handler: async (KalypsoDbContext db, HttpContext ctx) =>
{
var pathItem = ctx.Request.Path.ToUriComponent().Trim('/');
var urlMatchItem = await db.Urls.FirstOrDefaultAsync(x =>
x.ShortUrlPart.Trim() == pathItem.Trim());
if (urlMatchItem == null)
return Results.BadRequest("Invalid request");
return Results.Redirect(urlMatchItem.Url);
});
app.Run();