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92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
package main
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import (
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"encoding/json"
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"log"
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"net/http"
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)
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func main() {
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mux := http.NewServeMux()
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setupRoutes(mux)
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server := http.Server{
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Addr: ":4000",
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Handler: mux,
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}
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log.Printf("Starting server on port 4000...")
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log.Fatal(server.ListenAndServe())
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}
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func setupRoutes(mux *http.ServeMux) {
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counter := 0
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// API Routes
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mux.HandleFunc("/api/status", func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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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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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode("ok")
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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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})
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mux.HandleFunc("/api/value", func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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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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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(counter)
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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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})
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mux.HandleFunc("/api/increment", func(w http.ResponseWriter, r *http.Request) {
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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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counter++
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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(counter)
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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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})
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mux.HandleFunc("/api/decrement", func(w http.ResponseWriter, r *http.Request) {
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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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counter--
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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(counter)
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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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})
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// Static Files
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mux.Handle("/", http.FileServer(http.Dir("./dist/")))
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}
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