refactor: adopt DDD with rich domain models, migrate to MikroORM, and replace ioctopus with tsyringe

.env.example

@@ -1,6 +1,10 @@
-SENTRY_DSN=
-NEXT_PUBLIC_SENTRY_DSN=
-SENTRY_AUTH_TOKEN=
-CODECOV_TOKEN=
+DATABASE_HOST=
+DATABASE_PORT=
+DATABASE_NAME=
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_URL=
-DATABASE_AUTH_TOKEN=
+NEXT_PUBLIC_SUPABASE_URL=
+NEXT_PUBLIC_SUPABASE_ANON_KEY=
+
+

.eslintrc.json

@@ -16,18 +16,18 @@
       },
       {
         "mode": "full",
-        "type": "use-cases",
-        "pattern": ["src/application/use-cases/**/*"]
+        "type": "application-services",
+        "pattern": ["src/application/modules/**/*"]
       },
       {
         "mode": "full",
         "type": "service-interfaces",
-        "pattern": ["src/application/services/**/*"]
+        "pattern": ["src/application/modules/**/interfaces/**/*", "src/application/services/**/*"]
       },
       {
         "mode": "full",
         "type": "repository-interfaces",
-        "pattern": ["src/application/repositories/**/*"]
+        "pattern": ["src/application/modules/**/interfaces/**/*"]
       },
       {
         "mode": "full",
@@ -56,24 +56,24 @@
         "rules": [
           {
             "from": "web",
-            "allow": ["web", "entities", "di"]
+            "allow": ["web", "entities", "di", "infrastructure", "application-services", "service-interfaces"]
           },
           {
             "from": "controllers",
             "allow": [
               "entities",
               "service-interfaces",
               "repository-interfaces",
-              "use-cases"
+              "application-services"
             ]
           },
           {
             "from": "infrastructure",
-            "allow": ["service-interfaces", "repository-interfaces", "entities"]
+            "allow": ["service-interfaces", "repository-interfaces", "entities", "infrastructure", "application-services"]
           },
           {
-            "from": "use-cases",
-            "allow": ["entities", "service-interfaces", "repository-interfaces"]
+            "from": "application-services",
+            "allow": ["entities", "service-interfaces", "repository-interfaces", "infrastructure", "application-services"]
           },
           {
             "from": "service-interfaces",
@@ -94,7 +94,7 @@
               "controllers",
               "service-interfaces",
               "repository-interfaces",
-              "use-cases",
+              "application-services",
               "infrastructure"
             ]
           }

.gitignore

@@ -40,3 +40,6 @@ sqlite.db
 
 # Environment variables
 .env
+
+# MikroORM metadata cache
+/temp/

app/(auth)/sign-in/page.tsx

@@ -1,9 +1,10 @@
 'use client';
 
+import Link from 'next/link';
 import { useState } from 'react';
 import { Loader } from 'lucide-react';
+import { useRouter } from 'next/navigation';
 
-import Link from 'next/link';
 import { Button } from '../../_components/ui/button';
 import {
   Card,
@@ -15,32 +16,55 @@ import {
 import { Input } from '../../_components/ui/input';
 import { Label } from '../../_components/ui/label';
 import { Separator } from '../../_components/ui/separator';
-import { signIn } from '../actions';
 
 export default function SignIn() {
   const [error, setError] = useState<string>();
   const [loading, setLoading] = useState(false);
+  const router = useRouter();
 
   const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
     if (loading) return;
 
     const formData = new FormData(event.currentTarget);
+    const username = formData.get('username')?.toString();
+    const password = formData.get('password')?.toString();
+
+    if (!username || !password) {
+      setError('Username and password are required');
+      return;
+    }
 
     setLoading(true);
-    const res = await signIn(formData);
-    if (res && res.error) {
-      setError(res.error);
+    setError(undefined);
+
+    try {
+      const response = await fetch('/api/auth/sign-in', {
+        method: 'POST',
+        body: formData,
+      });
+
+      const result = await response.json();
+
+      if (response.ok && result.success) {
+        router.push('/');
+        router.refresh();
+      } else {
+        setError(result.error || 'Invalid credentials');
+      }
+    } catch (error) {
+      setError('Network error. Please try again.');
+    } finally {
+      setLoading(false);
     }
-    setLoading(false);
   };
 
   return (
     <Card className="w-full max-w-lg">
       <CardHeader>
         <CardTitle>Sign in</CardTitle>
         <CardDescription>
-          Enter your email below to login to your account
+          Enter your username and password to access your account
         </CardDescription>
       </CardHeader>
       <Separator />
@@ -63,13 +87,13 @@ export default function SignIn() {
               <Input id="password" type="password" name="password" required />
             </div>
             <Button type="submit" disabled={loading} className="w-full">
-              {loading ? <Loader className="animate-spin" /> : 'Login'}
+              {loading ? <Loader className="animate-spin" /> : 'Sign in'}
             </Button>
           </div>
           <div className="mt-4 text-center text-sm">
             Don&apos;t have an account?{' '}
             <Link href="/sign-up" className="underline">
-              Sign up
+              Create an account
             </Link>
           </div>
         </form>

app/(auth)/sign-up/page.tsx

@@ -3,6 +3,7 @@
 import Link from 'next/link';
 import { useState } from 'react';
 import { Loader } from 'lucide-react';
+import { useRouter } from 'next/navigation';
 
 import { Button } from '../../_components/ui/button';
 import {
@@ -15,32 +16,52 @@ import {
 import { Input } from '../../_components/ui/input';
 import { Label } from '../../_components/ui/label';
 import { Separator } from '../../_components/ui/separator';
-import { signUp } from '../actions';
 
 export default function SignUp() {
   const [error, setError] = useState<string>();
   const [loading, setLoading] = useState(false);
+  const router = useRouter();
 
   const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
     if (loading) return;
 
     const formData = new FormData(event.currentTarget);
+    const password = formData.get('password')?.toString();
+    const confirmPassword = formData.get('confirm_password')?.toString();
 
-    const password = formData.get('password')!.toString();
-    const confirmPassword = formData.get('confirm_password')!.toString();
+    if (!password || !confirmPassword) {
+      setError('All fields are required');
+      return;
+    }
 
     if (password !== confirmPassword) {
       setError('Passwords must match');
       return;
     }
 
     setLoading(true);
-    const res = await signUp(formData);
-    if (res && res.error) {
-      setError(res.error);
+    setError(undefined);
+
+    try {
+      const response = await fetch('/api/auth/sign-up', {
+        method: 'POST',
+        body: formData,
+      });
+
+      const result = await response.json();
+
+      if (response.ok && result.success) {
+        router.push('/');
+        router.refresh();
+      } else {
+        setError(result.error || 'An unexpected error occurred');
+      }
+    } catch (error) {
+      setError('Network error. Please try again.');
+    } finally {
+      setLoading(false);
     }
-    setLoading(false);
   };
 
   return (