Implement simple communication between frontend and backend

backend/.gitignore

@@ -1,2 +1,3 @@
 obj/
+bin/
 

backend/Controllers/DispenserController.cs

@@ -0,0 +1,15 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace backend.Controllers;
+
+[ApiController]
+public class DispenserController : ControllerBase
+{
+    [HttpPost("Dispense")]
+    public void Dispense()
+    {
+		// TODO send MQTT to arduino
+		Console.WriteLine("Dispensing..");
+    }
+}
+

backend/Program.cs

@@ -1,2 +1,27 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseCors(builder => builder.WithOrigins("*"));
+
+//app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

backend/Properties/launchSettings.json

@@ -0,0 +1,41 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:63404",
+      "sslPort": 44315
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5140",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7228;http://localhost:5140",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

backend/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

backend/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

backend/backend.csproj

@@ -1,10 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
     <TargetFramework>net7.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.8" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.13" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+  </ItemGroup>
+
 </Project>

frontend/.env.example

@@ -0,0 +1,2 @@
+VITE_API_URL=http://localhost:5140
+

frontend/.gitignore

@@ -26,3 +26,6 @@ coverage
 *.njsproj
 *.sln
 *.sw?
+
+.env
+

frontend/src/App.vue

@@ -1,85 +1,31 @@
 <script setup>
-import { RouterLink, RouterView } from 'vue-router'
-import HelloWorld from './components/HelloWorld.vue'
+import { RouterLink, RouterView } from "vue-router";
+
+function dispense() {
+	const xhr = new XMLHttpRequest();
+	xhr.open("POST", import.meta.env.VITE_API_URL + "/dispense");
+	xhr.send();
+}
 </script>
 
 <template>
-  <header>
-    <img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />
+	<header>
+		<!--
+			<nav>
+				<RouterLink to="/">Home</RouterLink>
+				<RouterLink to="/about">About</RouterLink>
+			</nav>
+		-->
 
-    <div class="wrapper">
-      <HelloWorld msg="You did it!" />
+		<h1>M&M Dispenser</h1>
 
-      <nav>
-        <RouterLink to="/">Home</RouterLink>
-        <RouterLink to="/about">About</RouterLink>
-      </nav>
-    </div>
-  </header>
+		<button @click="dispense">Dispense the m&m</button>
+	</header>
 
-  <RouterView />
+	<RouterView />
 </template>
 
 <style scoped>
-header {
-  line-height: 1.5;
-  max-height: 100vh;
-}
 
-.logo {
-  display: block;
-  margin: 0 auto 2rem;
-}
-
-nav {
-  width: 100%;
-  font-size: 12px;
-  text-align: center;
-  margin-top: 2rem;
-}
-
-nav a.router-link-exact-active {
-  color: var(--color-text);
-}
-
-nav a.router-link-exact-active:hover {
-  background-color: transparent;
-}
-
-nav a {
-  display: inline-block;
-  padding: 0 1rem;
-  border-left: 1px solid var(--color-border);
-}
-
-nav a:first-of-type {
-  border: 0;
-}
-
-@media (min-width: 1024px) {
-  header {
-    display: flex;
-    place-items: center;
-    padding-right: calc(var(--section-gap) / 2);
-  }
-
-  .logo {
-    margin: 0 2rem 0 0;
-  }
-
-  header .wrapper {
-    display: flex;
-    place-items: flex-start;
-    flex-wrap: wrap;
-  }
-
-  nav {
-    text-align: left;
-    margin-left: -1rem;
-    font-size: 1rem;
-
-    padding: 1rem 0;
-    margin-top: 1rem;
-  }
-}
 </style>
+

frontend/src/assets/logo.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 261.76 226.69"><path d="M161.096.001l-30.225 52.351L100.647.001H-.005l130.877 226.688L261.749.001z" fill="#41b883"/><path d="M161.096.001l-30.225 52.351L100.647.001H52.346l78.526 136.01L209.398.001z" fill="#34495e"/></svg>