chore: added serialization for db option type

astro.config.js

@@ -5,4 +5,11 @@ export default defineConfig({
     publicDir: './client/public',
     srcDir: './client',
     outDir: './out/client',
+    vite: {
+        server: {
+            proxy: {
+                '/api': 'http://127.0.0.1:4000',
+            },
+        },
+    },
 })

client/scripts/circuits-art.ts

@@ -206,14 +206,14 @@ function render(g: CanvasRenderingContext2D, state: State, time: number) {
     //     }
     // }
 
-    const [mx, my] = state.mouse
-    g.save()
-    g.fillStyle = '#0008'
-    g.translate(Math.floor(mx / CELL_SIZE), Math.floor(my / CELL_SIZE))
-    g.beginPath()
-    g.rect(0, 0, 1, 1)
-    g.fill()
-    g.restore()
+    // const [mx, my] = state.mouse
+    // g.save()
+    // g.fillStyle = '#0008'
+    // g.translate(Math.floor(mx / CELL_SIZE), Math.floor(my / CELL_SIZE))
+    // g.beginPath()
+    // g.rect(0, 0, 1, 1)
+    // g.fill()
+    // g.restore()
 }
 
 setup()

go.mod

@@ -22,6 +22,7 @@ require (
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasthttp v1.46.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
+	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 // indirect
 	golang.org/x/sys v0.7.0 // indirect
 	gotest.tools v2.2.0+incompatible // indirect
 )

go.sum

@@ -47,6 +47,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 h1:k/i9J1pBpvlfR+9QsetwPyERsqu1GIbi967PQMq3Ivc=
+golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=

libs/db/db.go

@@ -9,9 +9,12 @@ package db
 
 import (
 	"database/sql"
+	"encoding/json"
 	"fmt"
 	"reflect"
 	"strings"
+
+	"golang.org/x/exp/slices"
 )
 
 // Option è un valore che nel database può potenzialmente essere "NULL"
@@ -33,6 +36,29 @@ type Option[T any] struct {
 	value   T
 }
 
+func (o Option[T]) MarshalJSON() ([]byte, error) {
+	if !o.present {
+		return []byte("null"), nil
+	}
+
+	return json.Marshal(o.value)
+}
+
+func (o Option[T]) UnmarshalJSON(v []byte) error {
+	if slices.Equal(v, []byte("null")) {
+		var zero T
+		o.present = false
+		o.value = zero
+		return nil
+	}
+
+	if err := json.Unmarshal(v, &o.value); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func NewOption[T any](value T) Option[T] {
 	return Option[T]{true, value}
 }