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[patch] removed
platform and introduced pkg
[patch] added info about SQL code generation [patch] added info about SQL migrations [patch] introduced Open telemetry usage (only in README, todo: update code)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package http | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "html/template" | ||
| "net/http" | ||
| "runtime/debug" | ||
|
|
||
| "github.com/bnkamalesh/errors" | ||
| "github.com/bnkamalesh/goapp/internal/api" | ||
| "github.com/bnkamalesh/webgo/v6" | ||
| ) | ||
|
|
||
| // Handlers struct has all the dependencies required for HTTP handlers | ||
| type Handlers struct { | ||
| api *api.API | ||
| home *template.Template | ||
| } | ||
|
|
||
| func (h *Handlers) routes() []*webgo.Route { | ||
| return []*webgo.Route{ | ||
| { | ||
| Name: "helloworld", | ||
| Pattern: "", | ||
| Method: http.MethodGet, | ||
| Handlers: []http.HandlerFunc{errWrapper(h.HelloWorld)}, | ||
| TrailingSlash: true, | ||
| }, | ||
| { | ||
| Name: "health", | ||
| Pattern: "/-/health", | ||
| Method: http.MethodGet, | ||
| Handlers: []http.HandlerFunc{errWrapper(h.Health)}, | ||
| TrailingSlash: true, | ||
| }, | ||
| { | ||
| Name: "create-user", | ||
| Pattern: "/users", | ||
| Method: http.MethodPost, | ||
| Handlers: []http.HandlerFunc{errWrapper(h.CreateUser)}, | ||
| TrailingSlash: true, | ||
| }, | ||
| { | ||
| Name: "read-user-byemail", | ||
| Pattern: "/users/:email", | ||
| Method: http.MethodGet, | ||
| Handlers: []http.HandlerFunc{errWrapper(h.ReadUserByEmail)}, | ||
| TrailingSlash: true, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // Health is the HTTP handler to return the status of the app including the version, and other details | ||
| // This handler uses webgo to respond to the http request | ||
| func (h *Handlers) Health(w http.ResponseWriter, r *http.Request) error { | ||
| out, err := h.api.Health() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| webgo.R200(w, out) | ||
| return nil | ||
| } | ||
|
|
||
| // HelloWorld is a helloworld HTTP handler | ||
| func (h *Handlers) HelloWorld(w http.ResponseWriter, r *http.Request) error { | ||
| contentType := r.Header.Get("Content-Type") | ||
| switch contentType { | ||
| case "application/json": | ||
| { | ||
| webgo.SendResponse(w, "hello world", http.StatusOK) | ||
| } | ||
| default: | ||
| { | ||
| buff := bytes.NewBufferString("") | ||
| err := h.home.Execute( | ||
| buff, | ||
| struct { | ||
| Message string | ||
| }{ | ||
| Message: "welcome to the home page!", | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| return errors.InternalErr(err, "Inter server error") | ||
| } | ||
|
|
||
| w.Header().Set("Content-Type", "text/html; charset=UTF-8") | ||
| _, err = w.Write(buff.Bytes()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func errWrapper(h func(w http.ResponseWriter, r *http.Request) error) http.HandlerFunc { | ||
| return func(w http.ResponseWriter, r *http.Request) { | ||
| err := h(w, r) | ||
| if err == nil { | ||
| return | ||
| } | ||
|
|
||
| status, msg, _ := errors.HTTPStatusCodeMessage(err) | ||
| webgo.SendError(w, msg, status) | ||
| } | ||
| } | ||
|
|
||
| func panicRecoverer(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) { | ||
| defer func() { | ||
| p := recover() | ||
| if p == nil { | ||
| return | ||
| } | ||
| fmt.Println(string(debug.Stack())) | ||
| webgo.R500(w, errors.DefaultMessage) | ||
| }() | ||
|
|
||
| next(w, r) | ||
| } | ||
|
|
||
| func loadHomeTemplate(basePath string) (*template.Template, error) { | ||
| t := template.New("index.html") | ||
| home, err := t.ParseFiles( | ||
| fmt.Sprintf("%s/index.html", basePath), | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return home, nil | ||
| } |
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