add routes for block, validate block slug

go.mod

@@ -1,3 +1,5 @@
 module blocky
 
 go 1.25
+
+require github.com/go-chi/chi/v5 v5.2.5 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/go-chi/chi/v5 v5.2.5 h1:Eg4myHZBjyvJmAFjFvWgrqDTXFyOzjj7YIm3L3mu6Ug=
+github.com/go-chi/chi/v5 v5.2.5/go.mod h1:X7Gx4mteadT3eDOMTsXzmI4/rwUpOwBHLpAfupzFJP0=

internal/block/block.go

@@ -2,12 +2,24 @@ package block
 
 import (
 	"encoding/json"
+	"fmt"
+	"regexp"
 )
 
+var validSlug = regexp.MustCompile(`^[a-z0-9]+$`)
+
 type Block struct {
+	Slug       string
 	Components []Component
 }
 
+func NewBlock(slug string, components []Component) (*Block, error) {
+	if !validSlug.MatchString(slug) {
+		return nil, fmt.Errorf("invalid block slug %q: must be a-z0-9 only", slug)
+	}
+	return &Block{Slug: slug, Components: components}, nil
+}
+
 type BlockInstance struct {
 	Components []ComponentInstance
 }

internal/http_block/http_block.go

@@ -0,0 +1,26 @@
+package http_block
+
+import (
+	"blocky/internal/block"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+)
+
+func BlockRouter(b *block.Block) chi.Router {
+	router := chi.NewRouter()
+
+	router.Get("/{id}", func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("welcome"))
+	})
+
+	router.Post("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("welcome"))
+	})
+
+	router.Delete("/{id}", func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("welcome"))
+	})
+
+	return router
+}

main.go

@@ -7,11 +7,14 @@ import (
 	"blocky/internal/block/text_component"
 	text_component_validators "blocky/internal/block/text_component/validators"
 	"blocky/internal/block/validation"
+	"blocky/internal/http_block"
 	"fmt"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
 )
 
 func main() {
-	b := &block.Block{}
 	textComponent := text_component.NewTextComponent(
 		"title",
 		"Title",
@@ -22,7 +25,6 @@ func main() {
 			text_component_validators.Regex("^\\d+$"),
 		},
 	)
-	b.Components = append(b.Components, textComponent)
 	fmt.Println(textComponent.Name(), textComponent.Type())
 
 	int64Component := int64_component.NewInt64Component(
@@ -33,12 +35,18 @@ func main() {
 			int64_component_validators.Max(4),
 		},
 	)
-	b.Components = append(b.Components, int64Component)
+
+	b, err := block.NewBlock("document", []block.Component{textComponent, int64Component})
+	if err != nil {
+		fmt.Println("Error instantiating block", err)
+
+		return
+	}
 
 	data := []byte(`{"title": "252", "year": 2 }`)
 	// data := []byte(`{"year": 2}`)
 	instance := &block.BlockInstance{}
-	err := instance.FromJSON(b, data)
+	err = instance.FromJSON(b, data)
 	if err != nil {
 		fmt.Println("Error decoding object", err)
 		return
@@ -47,4 +55,10 @@ func main() {
 	fmt.Println(instance.Components[0])
 	fmt.Println(instance.Components[1])
 
+	blockRouter := http_block.BlockRouter(b)
+	router := chi.NewRouter()
+	router.Mount("/"+b.Slug, blockRouter)
+
+	fmt.Println("Server running on http://localhost:3333/" + b.Slug)
+	http.ListenAndServe(":3333", router)
 }