Ajout QueryController et route ExecuteQuery qui renvoie un Json bien formaté bien mignon

API_SQLuedo/API/API.csproj

@@ -21,6 +21,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
   </ItemGroup>

API_SQLuedo/API/Controllers/QueryController.cs

@@ -0,0 +1,32 @@
+using Dto;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Shared;
+using Model.OrderCriteria;
+
+namespace API.Controllers
+{
+    [Route("api/v{version:apiVersion}/[controller]")]
+    [Authorize]
+    [ApiVersion("1.0")]
+    [ApiController]
+    public class QueryController(ILogger<QueryController> logger, IQueryService<QueryDto> queryService) : ControllerBase
+    {
+        [HttpPost("{database}/execute")]
+        [ProducesResponseType(typeof(QueryDto), 200)]
+        [ProducesResponseType(typeof(string), 204)]
+        public IActionResult ExecuteQuery([FromBody]string query, string database)
+        {
+            var queryResult = queryService.ExecuteQuery(query, database);
+            if (queryResult == null)
+            {
+                logger.LogError("[ERREUR] La requête n'a rien renvoyé.");
+                return StatusCode(204);
+            }
+
+            logger.LogInformation("[INFORMATION] La requête a renvoyé : {result} ", queryResult);
+            return Ok(queryResult);
+        }
+    }
+}

API_SQLuedo/API/Program.cs

@@ -19,6 +19,8 @@ builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 
+builder.Services.AddScoped<IQueryService<QueryDto>, QueryDataServiceApi>();
+
 builder.Services.AddScoped<IUserService<UserEntity>, UserDataService>();
 builder.Services.AddScoped<IUserService<UserDto>, UserDataServiceApi>();
 

API_SQLuedo/API/Service/QueryDataServiceApi.cs

@@ -0,0 +1,69 @@
+using Dto;
+using Entities;
+using Model.OrderCriteria;
+using Npgsql;
+using Shared;
+using Shared.Mapper;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace API.Service;
+
+public class QueryDataServiceApi : IQueryService<QueryDto>
+{
+    public QueryDto ExecuteQuery(string query, string database)
+    {
+        string connectionString =
+            $"Host=localhost;Username=admin;Password=motdepasse;Database={database}";
+
+        if (string.IsNullOrEmpty(database))
+        {
+            return new QueryDto { Result = "Le nom de la base de données est requis." };
+        }
+
+        using (NpgsqlConnection connection = new NpgsqlConnection(connectionString))
+        {
+            connection.Open();
+            using (NpgsqlCommand command = new NpgsqlCommand(query, connection))
+            {
+                using (NpgsqlDataReader reader = command.ExecuteReader())
+                {
+                    List<Dictionary<string, object>> resultList = new List<Dictionary<string, object>>();
+
+                    
+                    List<string> columnNames = new List<string>();
+                    for (int i = 0; i < reader.FieldCount; i++)
+                    {
+                        columnNames.Add(reader.GetName(i));
+                    }
+
+                    while (reader.Read())
+                    {
+                        Dictionary<string, object> row = new Dictionary<string, object>();
+                        for (int i = 0; i < reader.FieldCount; i++)
+                        {
+                            row[columnNames[i]] = reader[i].ToString();
+                        }
+
+                        resultList.Add(row);
+                    }
+
+                    string resultJson = JsonConvert.SerializeObject(resultList);
+
+                    QueryDto queryDto = new QueryDto { Result = resultJson };
+                    return queryDto;
+                }
+            }
+        }
+    }
+
+    public IEnumerable<string> GetTables(string database)
+    {
+        throw new NotImplementedException();
+    }
+
+    public IEnumerable<string> GetColumns(string database, string table)
+    {
+        throw new NotImplementedException();
+    }
+}

API_SQLuedo/Dto/QueryDTO.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Dto
+{
+    public class QueryDto
+    {
+        public string Result { get; set; }
+    }
+}

API_SQLuedo/Shared/IQueryService.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Mvc;
+using Model.OrderCriteria;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Shared
+{
+    public interface IQueryService<TQuery>
+    {
+        public TQuery ExecuteQuery(string query, string database);
+        public IEnumerable<string> GetTables(string database);
+        public IEnumerable<string> GetColumns(string database,string table);
+    }
+}