104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"os/exec"
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)
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type Message struct {
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Message string `json:"message"`
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From string `json:"from"`
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To string `json:"to"`
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}
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func getAllPackages() {
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TurnOn := exec.Command("python", "scripts/python/package_mangement/note_all_packages.py")
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// Create a buffer to capture the standard output.
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var out bytes.Buffer
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TurnOn.Stdout = &out
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// Execute the command.
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err := TurnOn.Run()
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if err != nil {
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log.Fatal(err)
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}
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// Retrieve and print the standard output from the command.
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fmt.Println("Output:", out.String())
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}
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func handleRequest(w http.ResponseWriter, r *http.Request) {
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// Read the request body
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body, err := io.ReadAll(r.Body)
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if err != nil {
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http.Error(w, "Error reading request body: "+err.Error(), http.StatusInternalServerError)
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return
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}
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defer r.Body.Close()
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// Unmarshal the JSON data
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var msg Message
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err = json.Unmarshal(body, &msg)
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if err != nil {
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http.Error(w, "Error unmarshalling JSON: "+err.Error(), http.StatusBadRequest)
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return
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}
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// Check if From and To fields are not longer than 2 letters
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if len(msg.From) > 2 || len(msg.To) > 2 {
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http.Error(w, "From and To fields should not be longer than 2 letters.", http.StatusBadRequest)
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return
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}
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// Start the Python command in the background
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cmd := exec.Command("python", "scripts/python/main.py", msg.Message, msg.From, msg.To)
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output, err := cmd.StdoutPipe()
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if err != nil {
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http.Error(w, "Error starting Python command: "+err.Error(), http.StatusInternalServerError)
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return
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}
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err = cmd.Start()
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if err != nil {
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http.Error(w, "Error starting Python command: "+err.Error(), http.StatusInternalServerError)
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return
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}
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// Read the output of the Python command and send it to the client
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scanner := bufio.NewScanner(output)
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for scanner.Scan() {
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fmt.Fprintln(w, scanner.Text())
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}
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// Wait for the command to complete
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err = cmd.Wait()
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if err != nil {
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http.Error(w, "Error waiting for Python command: "+err.Error(), http.StatusInternalServerError)
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return
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}
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}
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func main() {
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getAllPackages()
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// Define the HTTP handler function
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http.HandleFunc("/api", handleRequest)
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// Get the port number from the environment variable or use a default value
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port := "11435"
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if p := os.Getenv("PORT"); p != "" {
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port = p
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}
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// Start the HTTP server
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fmt.Printf("Listening on :%s...\n", port)
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err := http.ListenAndServe(":"+port, nil)
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if err != nil {
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panic(err)
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}
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}
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