mirror of
https://github.com/NotAShelf/catApi.git
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use /api/random endpoint for fetching images
This commit is contained in:
parent
05642cb93b
commit
493e3972a2
1 changed files with 64 additions and 71 deletions
119
main.go
119
main.go
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@ -9,7 +9,6 @@ import (
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"math/rand"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"time"
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@ -33,32 +32,63 @@ func init() {
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}
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func main() {
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flag.StringVar(&port, "port", "3000", "Port to run the server on")
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flag.Parse()
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// Initialize Viper for configuration management
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viper.SetConfigName("config")
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viper.SetConfigType("yaml")
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viper.AddConfigPath(".")
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viper.AutomaticEnv() // Allow environment variables to override config settings
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// Read the configuration file (config.yaml in this example)
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viper.SetConfigName("config") // name of config file (without extension)
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viper.SetConfigType("yaml") // REQUIRED if the config file does not have the extension in the name
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viper.AddConfigPath(".") // path to look for the config file in
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if err := viper.ReadInConfig(); err != nil {
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log.Fatalf("Error reading configuration file: %v", err)
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}
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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images := getImages(r) // Call getImages with the request parameter
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port := viper.GetString("server.port")
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flag.Parse()
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if err := viper.ReadInConfig(); err != nil {
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log.Fatalf("Error reading configuration file: %v", err)
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}
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images = getImages()
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http.HandleFunc("/", homeHandler)
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http.HandleFunc("/api/id", idHandler)
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http.HandleFunc("/api/list", listHandler)
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http.HandleFunc("/api/random", randomHandler)
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http.HandleFunc("/api/", func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "Invalid API path", http.StatusNotFound)
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})
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log.Println("Server started at port", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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func getImages() []string {
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files, err := os.ReadDir("images/")
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if err != nil {
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logger.WithError(err).Fatal("Error reading images directory")
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}
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var images []string
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for _, file := range files {
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images = append(images, file.Name())
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logger.Info("Loaded image:", file.Name())
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}
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return images
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}
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func sanitizeInput(input string) string {
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return template.HTMLEscapeString(input)
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}
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func homeHandler(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, "<html><body><div style=\"display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); grid-gap: 10px;\">")
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for i, image := range images {
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for i := range images {
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io.WriteString(w, `<a href="/api/id?id=`+strconv.Itoa(i)+`">`)
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io.WriteString(w, `<img src="`+filepath.Base(image)+`" style="width: 100%; height: auto;"/>`)
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io.WriteString(w, `<img src="/api/id?id=`+strconv.Itoa(i)+`" style="width: 100%; height: auto;"/>`)
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io.WriteString(w, `</a>`)
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}
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io.WriteString(w, "</div></body></html>")
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})
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}
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http.HandleFunc("/api/id", func(w http.ResponseWriter, r *http.Request) {
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func idHandler(w http.ResponseWriter, r *http.Request) {
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id := sanitizeInput(r.URL.Query().Get("id"))
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if id == "" {
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http.Error(w, "Missing id", http.StatusBadRequest)
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@ -69,66 +99,29 @@ func main() {
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http.Error(w, "Invalid id", http.StatusBadRequest)
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return
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}
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http.ServeFile(w, r, images[i])
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})
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http.ServeFile(w, r, "images/"+images[i])
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}
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http.HandleFunc("/api/list", func(w http.ResponseWriter, r *http.Request) {
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// Create a slice to store image information
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func listHandler(w http.ResponseWriter, r *http.Request) {
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imageList := []map[string]string{}
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for _, image := range images {
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for i := range images {
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imageInfo := map[string]string{
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"image": image,
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"url": "/" + filepath.Base(image),
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"id": strconv.Itoa(i),
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"url": "/api/id?id=" + strconv.Itoa(i),
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}
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imageList = append(imageList, imageInfo)
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}
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// Convert the slice to JSON
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jsonData, err := json.Marshal(imageList)
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if err != nil {
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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// Set the content type to JSON
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w.Header().Set("Content-Type", "application/json")
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// Write the JSON response
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w.Write(jsonData)
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})
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}
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http.HandleFunc("/api/random", func(w http.ResponseWriter, r *http.Request) {
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// Reseed the random number generator to make it truly random on each request
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func randomHandler(w http.ResponseWriter, r *http.Request) {
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rand.Seed(time.Now().UnixNano())
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i := rand.Intn(len(images))
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http.ServeFile(w, r, images[i])
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})
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http.HandleFunc("/api/", func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "Invalid API path", http.StatusNotFound)
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})
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log.Println("Server started at port", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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func getImages(r *http.Request) []string {
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files, err := os.ReadDir("images/")
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if err != nil {
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logger.WithError(err).Fatal("Error reading images directory")
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}
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var images []string
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serverAddress := r.Host // Get the server address from the request
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for _, file := range files {
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imagePath := "http://" + serverAddress + "/images/" + file.Name()
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images = append(images, imagePath)
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logger.Info("Loaded image:", imagePath)
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}
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return images
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}
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func sanitizeInput(input string) string {
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return template.HTMLEscapeString(input)
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http.Redirect(w, r, "/api/id?id="+strconv.Itoa(i), http.StatusSeeOther)
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}
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