71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package handler
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import (
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"encoding/json"
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"io"
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"log"
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"net/http"
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"git.netflux.io/rob/solar-toolkit/inverter"
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)
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const timestampMinimumYear = 2022
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type Store interface {
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InsertETRuntimeData(*inverter.ETRuntimeData) error
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}
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type Handler struct {
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store Store
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}
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func New(store Store) *Handler { return &Handler{store: store} }
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func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodGet && r.URL.Path == "/healthz" {
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("OK\n"))
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return
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}
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if r.Method != http.MethodPost {
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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return
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}
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if r.URL.Path != "/gateway/et_runtime_data" {
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http.Error(w, "endpoint not found", http.StatusNotFound)
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return
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}
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body, err := io.ReadAll(r.Body)
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if err != nil {
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log.Printf("could not read body: %v", err)
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http.Error(w, "unexpected error", http.StatusInternalServerError)
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return
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}
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var runtimeData inverter.ETRuntimeData
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err = json.Unmarshal(body, &runtimeData)
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if err != nil {
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log.Printf("could not unmarshal body: %v", err)
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http.Error(w, "unexpected error", http.StatusInternalServerError)
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return
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}
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if runtimeData.Timestamp.Year() < timestampMinimumYear {
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log.Printf("invalid timestamp: %v", runtimeData.Timestamp)
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http.Error(w, "invalid data", http.StatusBadRequest)
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return
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}
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if err = h.store.InsertETRuntimeData(&runtimeData); err != nil {
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log.Printf("error storing data: %v", err)
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http.Error(w, "unexpected error", http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("OK\n"))
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}
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