Create Template working

.gitignore

@@ -11,4 +11,4 @@
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-foo/
+data/

api.go

@@ -1,22 +1,27 @@
 package main
 
+import "encoding/json"
 import "log"
 import "net/http"
 
+import "github.com/google/uuid"
 import "github.com/gorilla/mux"
 
 type API struct {
 	router *mux.Router
+	store  *Store
 }
 
-func NewAPI() *API {
+func NewAPI(storePath string) *API {
 	api := &API{
 		router: mux.NewRouter(),
+		store:  NewStore(storePath),
 	}
 
-	api.router.HandleFunc("/template", api.createTemplate).Methods("POST")
+	api.router.HandleFunc("/template", api.createTemplate).Methods("POST").Headers("Content-Type", "application/json")
+	api.router.HandleFunc("/template/{id}", api.streamTemplate).Methods("GET").Headers("Accept", "text/event-stream")
 	api.router.HandleFunc("/template/{id}", api.getTemplate).Methods("GET")
-	api.router.HandleFunc("/template/{id}", api.updateTemplate).Methods("PATCH")
+	api.router.HandleFunc("/template/{id}", api.updateTemplate).Methods("PATCH").Headers("Content-Type", "application/json")
 
 	return api
 }
@@ -27,6 +32,58 @@ func (api *API) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 func (api *API) createTemplate(w http.ResponseWriter, r *http.Request) {
 	log.Printf("createTemplate")
+
+	dec := json.NewDecoder(r.Body)
+	dec.DisallowUnknownFields()
+
+	template := NewTemplate()
+	err := dec.Decode(template)
+	if err != nil {
+		http.Error(w, "invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	template.Id = uuid.NewString()
+
+	if !template.IsValid() {
+		http.Error(w, "invalid template", http.StatusBadRequest)
+		return
+	}
+
+	err = api.store.Write(template)
+	if err != nil {
+		http.Error(w, "failed to write template", http.StatusInternalServerError)
+		return
+	}
+
+	enc := json.NewEncoder(w)
+	err = enc.Encode(template)
+	if err != nil {
+		http.Error(w, "failed to encode json", http.StatusInternalServerError)
+		return
+	}
+}
+
+func (api *API) streamTemplate(w http.ResponseWriter, r *http.Request) {
+	log.Printf("streamTemplate %s", mux.Vars(r))
+
+	flusher, ok := w.(http.Flusher)
+	if !ok {
+		http.Error(w, "streaming unsupported", http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+
+	closeChan := w.(http.CloseNotifier).CloseNotify()
+
+	flusher.Flush()
+
+	<-closeChan
+
+	log.Printf("streamTemplate %s end", mux.Vars(r))
 }
 
 func (api *API) getTemplate(w http.ResponseWriter, r *http.Request) {

go.mod

@@ -2,4 +2,7 @@ module github.com/firestuff/checky
 
 go 1.16
 
-require github.com/gorilla/mux v1.8.0
+require (
+	github.com/google/uuid v1.3.0
+	github.com/gorilla/mux v1.8.0
+)

go.sum

@@ -1,2 +1,4 @@
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=

main.go

@@ -8,13 +8,14 @@ import "log"
 import "net/http"
 
 var bindFlag = flag.String("listen", "[::]:8100", "host:port to listen on")
+var storeFlag = flag.String("store", "data", "data store path")
 
 func main() {
 	flag.Parse()
 
 	mux := http.NewServeMux()
 
-	api := NewAPI()
+	api := NewAPI(*storeFlag)
 	mux.Handle("/api/", http.StripPrefix("/api", api))
 
 	srv := &http.Server{

template.go

@@ -19,6 +19,12 @@ type Check struct {
 	Completed *time.Time `json:"completed"`
 }
 
+func NewTemplate() *Template {
+	return &Template{
+		Items: []*Item{},
+	}
+}
+
 func (t *Template) GetType() string {
 	return "template"
 }
@@ -26,3 +32,7 @@ func (t *Template) GetType() string {
 func (t *Template) GetId() string {
 	return t.Id
 }
+
+func (t *Template) IsValid() bool {
+	return true
+}