simpified ron frameworks and correct some fixes

added example
still learning how to works http package
This commit is contained in:
Pedro Pérez 2024-11-12 10:00:14 +01:00
parent b8a0e3cde4
commit fb9904cf03
4 changed files with 83 additions and 75 deletions

26
example/main.go Normal file
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@ -0,0 +1,26 @@
package main
import (
"log/slog"
"net/http"
"ron"
)
func main() {
r := ron.New()
r.GET("/", helloWorld)
r.POST("/another", anotherHelloWorld)
slog.Info("Server is running at http://localhost:8080")
http.ListenAndServe(":8080", r)
}
func helloWorld(c *ron.Context) {
c.W.Write([]byte("hello world"))
}
func anotherHelloWorld(c *ron.Context) {
c.W.Write([]byte("another hello world"))
}

2
go.mod
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@ -1,3 +1,3 @@
module ron
go 1.22.1
go 1.23.2

74
main.go
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@ -1,74 +0,0 @@
package main
import (
"context"
"log/slog"
"net/http"
)
// Context is the context of the current HTTP request.
type Context struct {
Ctx context.Context
W http.ResponseWriter
R *http.Request
}
// HandlerFunc defines the handler used by the framework.
type HandlerFunc func(c *Context)
// Engine is the framework's instance, it contains the router and middleware.
type Engine struct {
router *RouterGroup
}
// RouterGroup is used internally to configure router, associated with a prefix and an array of handlers (middlewares).
type RouterGroup struct {
Handlers []HandlerFunc
engine *Engine
}
// New creates a new Engine instance.
func New() *Engine {
engine := &Engine{}
engine.router = &RouterGroup{engine: engine}
return engine
}
// ServeHTTP conforms to the http.Handler interface.
func (engine *Engine) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := context.Background()
engine.router.handleHTTPRequest(ctx, w, r)
}
// handleHTTPRequest handles the HTTP request.
func (group *RouterGroup) handleHTTPRequest(ctx context.Context, w http.ResponseWriter, r *http.Request) {
c := &Context{Ctx: ctx, W: w, R: r}
for _, handler := range group.Handlers {
handler(c)
}
}
// Use adds middleware to the router group.
func (group *RouterGroup) Use(middleware ...HandlerFunc) {
group.Handlers = append(group.Handlers, middleware...)
}
// GET adds a GET route to the router group.
func (group *RouterGroup) GET(path string, handler HandlerFunc) {
// Implement route registration logic here
group.Handlers = append(group.Handlers, handler)
}
func main() {
engine := New()
engine.router.GET("/", sayHelloHandler)
slog.Info("Server is running at http://localhost:8080")
http.ListenAndServe(":8080", engine)
}
func sayHelloHandler(c *Context) {
slog.Info("called sayHelloHandler")
c.W.Write([]byte("Hello, World!"))
}

56
ron.go Normal file
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package ron
import (
"context"
"net/http"
)
type Context struct {
C context.Context
W http.ResponseWriter
R *http.Request
E *Engine
}
type Engine struct {
mux *http.ServeMux
}
func New() *Engine {
engine := &Engine{
mux: http.NewServeMux(),
}
return engine
}
func (engine *Engine) ServeHTTP(w http.ResponseWriter, r *http.Request) {
engine.handleRequest(w, r)
}
func (engine *Engine) Run(addr string) error {
return http.ListenAndServe(addr, engine)
}
func (engine *Engine) handleRequest(w http.ResponseWriter, r *http.Request) {
engine.mux.ServeHTTP(w, r)
}
func (engine *Engine) GET(path string, handler func(*Context)) {
engine.mux.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
return
}
handler(&Context{W: w, R: r, E: engine})
})
}
func (engine *Engine) POST(path string, handler func(*Context)) {
engine.mux.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
return
}
handler(&Context{W: w, R: r, E: engine})
})
}