85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package site
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import (
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"encoding/binary"
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"encoding/hex"
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"math/rand"
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"net/http"
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"sync"
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"time"
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"github.com/go-chi/chi/v5"
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"github.com/goccy/go-json"
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datastar "github.com/starfederation/datastar/sdk/go"
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// "github.com/goccy/go-json"
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)
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func setupExamplesQuickPrimerGo(examplesRouter chi.Router) error {
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examplesRouter.Route("/quick_primer_go/data", func(dataRouter chi.Router) {
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signals := &QuickPrimerGoSignals{"initial backend data", false}
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mu := &sync.RWMutex{}
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dataRouter.Get("/replace", func(w http.ResponseWriter, r *http.Request) {
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mu.RLock()
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defer mu.RUnlock()
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sse := datastar.NewSSE(w, r)
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sse.MergeFragmentTempl(QuickPrimerGoView(signals))
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})
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dataRouter.Put("/", func(w http.ResponseWriter, r *http.Request) {
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reqSignals := &QuickPrimerGoSignals{}
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if err := datastar.ReadSignals(r, reqSignals); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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if err := sanitizer.Sanitize(reqSignals); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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mu.Lock()
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signals = reqSignals
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mu.Unlock()
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datastar.NewSSE(w, r).MergeFragmentTempl(QuickPrimerGoPut(signals))
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})
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dataRouter.Get("/", func(w http.ResponseWriter, r *http.Request) {
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sse := datastar.NewSSE(w, r)
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mu.RLock()
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defer mu.RUnlock()
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b, err := json.Marshal(signals)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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sse.MergeFragmentTempl(
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QuickPrimerGoGet(string(b)),
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datastar.WithSelector("main"),
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datastar.WithMergePrepend(),
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)
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})
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dataRouter.Get("/feed", func(w http.ResponseWriter, r *http.Request) {
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sse := datastar.NewSSE(w, r)
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ticker := time.NewTicker(2 * time.Second)
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for {
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select {
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case <-r.Context().Done():
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return
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case <-ticker.C:
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buf := make([]byte, 8)
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binary.LittleEndian.PutUint64(buf, rand.Uint64())
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sse.MergeFragmentTempl(QuickPrimerGoFeed(hex.EncodeToString(buf)))
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}
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}
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})
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})
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return nil
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}
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