[backend] feat: Implement basic CRUD operations for instructors management

Controllers/InstructorsDataController.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using InstructorsListApp.Models;
+
+namespace InstructorsListApp.Controllers
+{
+    [Route("api/v1/instructors")]
+    public class InstructorsDataController : Controller
+    {
+        DatabaseContext databaseContext;
+
+        public InstructorsDataController(DatabaseContext context)
+        {
+            databaseContext = context;
+        }
+
+        [HttpGet]
+        public IEnumerable<Instructor> GetAllInstructors()
+        {
+            return databaseContext.Instructors.ToList();
+        }
+
+        [HttpPost("add")]
+        public IActionResult CreateInstructorEntry([FromBody] Instructor instructor) {
+            if(ModelState.IsValid) {
+                instructor.Id = Guid.NewGuid().ToString();
+                databaseContext.Instructors.Add(instructor);
+                databaseContext.SaveChangesAsync();
+                return Ok(instructor.Id);
+            }
+            return BadRequest(ModelState);
+        }
+
+        [HttpPut("{id}")]
+        public IActionResult UpdateInstructorEntry(string id, [FromBody] Instructor instructor) {
+            if(ModelState.IsValid) {
+                databaseContext.Instructors.Update(instructor);
+                databaseContext.SaveChangesAsync();
+                return Ok();
+            }
+            return BadRequest(ModelState);
+        }
+
+        [HttpDelete("{id}")]
+        public IActionResult DelereInstructorEntry(string id) {
+            Instructor instructor = databaseContext.Instructors.FirstOrDefault(i => i.Id == id);
+            if(instructor != null) {
+                databaseContext.Instructors.Remove(instructor);
+                databaseContext.SaveChangesAsync();
+                return Ok();
+            }
+            return BadRequest("No such instructor");
+        }
+    }
+}

Controllers/SampleDataController.cs

@@ -1,44 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Mvc;
-
-namespace instructors_crud_test_task.Controllers
-{
-    [Route("api/[controller]")]
-    public class SampleDataController : Controller
-    {
-        private static string[] Summaries = new[]
-        {
-            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-        };
-
-        [HttpGet("[action]")]
-        public IEnumerable<WeatherForecast> WeatherForecasts()
-        {
-            var rng = new Random();
-            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
-            {
-                DateFormatted = DateTime.Now.AddDays(index).ToString("d"),
-                TemperatureC = rng.Next(-20, 55),
-                Summary = Summaries[rng.Next(Summaries.Length)]
-            });
-        }
-
-        public class WeatherForecast
-        {
-            public string DateFormatted { get; set; }
-            public int TemperatureC { get; set; }
-            public string Summary { get; set; }
-
-            public int TemperatureF
-            {
-                get
-                {
-                    return 32 + (int)(TemperatureC / 0.5556);
-                }
-            }
-        }
-    }
-}

Models/DatabaseContext.cs

@@ -0,0 +1,12 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace InstructorsListApp.Models {
+    public class DatabaseContext : DbContext
+    {
+        public DatabaseContext(DbContextOptions<ApplicationContext> options) 
+            : base(options)
+        { }
+ 
+        public DbSet<Instructor> Instructors { get; set; }
+    }
+}

Models/Instructor.cs

@@ -0,0 +1,8 @@
+namespace InstructorsListApp.Models {
+    public class Instructor {
+    public string Id {get; set;}
+    public string FirstName {get;set;}
+    public string MiddleName {get;set;}
+    public string LastName {get;set;}
+}
+}

Program.cs

@@ -8,7 +8,7 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 
-namespace instructors_crud_test_task
+namespace InstructorsListApp
 {
     public class Program
     {

Properties/launchSettings.json

@@ -15,7 +15,7 @@
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
     },
-    "instructors_crud_test_task": {
+    "InstructorsListApp": {
       "commandName": "Project",
       "launchBrowser": true,
       "applicationUrl": "http://localhost:5000",

Startup.cs

@@ -1,12 +1,12 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.SpaServices.AngularCli;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using InstructorsListApp.Models;
+using Microsoft.EntityFrameworkCore;
 
-namespace instructors_crud_test_task
+namespace InstructorsListApp
 {
     public class Startup
     {
@@ -21,7 +21,13 @@ namespace instructors_crud_test_task
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
-
+            string conString = Microsoft
+                                .Extensions
+                                .Configuration
+                                .ConfigurationExtensions
+                                .GetConnectionString(this.Configuration, "DefaultDatabase");
+            services.AddDbContext<DatabaseContext>(options => options.UseSqlServer(conString));
+            //services.
             // In production, the Angular files will be served from this directory
             services.AddSpaStaticFiles(configuration =>
             {
@@ -47,13 +53,6 @@ namespace instructors_crud_test_task
             app.UseStaticFiles();
             app.UseSpaStaticFiles();
 
-            app.UseMvc(routes =>
-            {
-                routes.MapRoute(
-                    name: "default",
-                    template: "{controller}/{action=Index}/{id?}");
-            });
-
             app.UseSpa(spa =>
             {
                 // To learn more about options for serving an Angular SPA from ASP.NET Core,

appsettings.json

@@ -4,5 +4,8 @@
       "Default": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+      "DefaultDatabase": "Server=(localdb)\\mssqllocaldb;Database=instructorsdb;Trusted_Connection=True;"
+  }
 }

instructors-crud-test-task.csproj

@@ -10,7 +10,7 @@
 
     <!-- Set this to true if you enable server-side prerendering -->
     <BuildServerSideRenderer>false</BuildServerSideRenderer>
-    <RootNamespace>instructors_crud_test_task</RootNamespace>
+    <RootNamespace>InstructorsListApp</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>