feat: initial project setup

internal/handlers/book_handler.go

@@ -0,0 +1,36 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"git.workflows.cl/mcabezas/testing-go-example/internal/models"
+)
+
+type BookHandler struct {
+	books []models.Book
+}
+
+func NewBookHandler() *BookHandler {
+	return &BookHandler{
+		books: []models.Book{
+			{ID: "1", Title: "El Quijote", Author: "Cervantes"},
+			{ID: "2", Title: "Cien años de soledad", Author: "García Márquez"},
+		},
+	}
+}
+
+func (h *BookHandler) GetBook(w http.ResponseWriter, r *http.Request) {
+	id := chi.URLParam(r, "id")
+
+	for _, book := range h.books {
+		if book.ID == id {
+			w.Header().Set("Content-Type", "application/json")
+			json.NewEncoder(w).Encode(book)
+			return
+		}
+	}
+
+	http.Error(w, "Book not found", http.StatusNotFound)
+}