API structure improvements, convenience funcs

pkg/api/api.go

@@ -71,6 +71,10 @@ func writeResponse(w http.ResponseWriter, r *http.Request, data interface{}, err
 	}
 }
 
+func reqErr(w http.ResponseWriter, err error, code int) {
+	http.Error(w, err.Error(), code)
+}
+
 func decodeParams(d interface{}, r *http.Request) error {
 	params := chi.RouteContext(r.Context()).URLParams
 	m := make(map[string]string, len(params.Keys))
@@ -93,5 +97,5 @@ func decodeParams(d interface{}, r *http.Request) error {
 }
 
 func badReq(w http.ResponseWriter, err error) {
-	http.Error(w, err.Error(), http.StatusBadRequest)
+	reqErr(w, err, http.StatusBadRequest)
 }

pkg/api/talkgroups.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"fmt"
 	"net/http"
 
 	"dynatron.me/x/stillbox/internal/forms"
@@ -23,13 +24,35 @@ func (tga *talkgroupAPI) routes() http.Handler {
 	return r
 }
 
+type tgParams struct {
+	System *int `param:"system"`
+	ID     *int `param:"id"`
+}
+
+func (t tgParams) haveBoth() bool {
+	return t.System != nil && t.ID != nil
+}
+
+func (t tgParams) ToID() talkgroups.ID {
+	nilOr := func(i *int) uint32 {
+		if i == nil {
+			return 0
+		}
+
+		return uint32(*i)
+	}
+
+	return talkgroups.ID{
+		System:    nilOr(t.System),
+		Talkgroup: nilOr(t.ID),
+	}
+}
+
 func (tga *talkgroupAPI) talkgroup(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
 	tgs := talkgroups.StoreFrom(ctx)
-	p := struct {
-		System *int `param:"system"`
-		ID     *int `param:"id"`
-	}{}
+
+	var p tgParams
 
 	err := decodeParams(&p, r)
 	if err != nil {
@@ -51,4 +74,43 @@ func (tga *talkgroupAPI) talkgroup(w http.ResponseWriter, r *http.Request) {
 }
 
 func (tga *talkgroupAPI) putTalkgroup(w http.ResponseWriter, r *http.Request) {
+	var id tgParams
+	err := decodeParams(&id, r)
+	if err != nil {
+		badReq(w, err)
+		return
+	}
+	/*
+		ctx := r.Context()
+		tgs := talkgroups.StoreFrom(ctx)
+
+		tg, err := tgs.TG(ctx, id.ToID())
+		switch err {
+		case nil:
+		case talkgroups.ErrNotFound:
+			reqErr(w, err, http.StatusNotFound)
+			return
+		default:
+			reqErr(w, err, http.StatusInternalServerError)
+		}
+	*/
+
+	input := struct {
+		Name        *string  `form:"name"`
+		AlphaTag    *string  `form:"alpha_tag"`
+		TgGroup     *string  `form:"tg_group"`
+		Frequency   *int32   `form:"frequency"`
+		Metadata    []byte   `form:"metadata"`
+		Tags        []string `form:"tags"`
+		Alert       *bool    `form:"alert"`
+		AlertConfig []byte   `form:"alert_config"`
+		Weight      *float32 `form:"weight"`
+	}{}
+
+	err = forms.Unmarshal(r, &input, forms.WithAcceptBlank(), forms.WithOmitEmpty())
+	if err != nil {
+		reqErr(w, err, http.StatusBadRequest)
+		return
+	}
+	fmt.Fprintf(w, "%+v\n", input)
 }

pkg/server/server.go

@@ -61,7 +61,7 @@ func New(ctx context.Context, cfg *config.Config) (*Server, error) {
 	}
 
 	tgCache := talkgroups.NewCache()
-	api := api.New(tgCache)
+	api := api.New()
 
 	srv := &Server{
 		auth:     authenticator,