151 lines
3.6 KiB
Go
151 lines
3.6 KiB
Go
package main
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import (
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"h4kor/kiss-social"
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"h4kor/kiss-social/cmd/kiss-web/static"
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"net/http"
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"os"
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"strconv"
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"strings"
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)
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func handler(repo kiss.Repository) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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// normalize the path
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path := r.URL.Path
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// remove leading '/'
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if len(path) > 0 && path[0] == '/' {
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path = path[1:]
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}
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// remove trailing '/'
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if len(path) > 0 && path[len(path)-1] == '/' {
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path = path[:len(path)-1]
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}
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// index page
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if path == "" {
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println("Index page")
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indexHandler(repo)(w, r)
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return
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}
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// parse the path
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parts := strings.Split(path, "/")
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userName := parts[0]
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// only one part -> user page
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if len(parts) == 1 {
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println("User page")
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userHandler(repo, userName)(w, r)
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return
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}
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// multiple parts -> post page
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println("Post page")
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postId := strings.Join(parts[1:], "/")
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postHandler(repo, userName, postId)(w, r)
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}
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}
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func indexHandler(repo kiss.Repository) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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html, err := kiss.RenderUserList(repo)
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if err != nil {
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println("Error rendering index: ", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("Internal server error"))
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return
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}
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println("Rendering index")
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w.Write([]byte(html))
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}
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}
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func userHandler(repo kiss.Repository, userName string) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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user, err := repo.GetUser(userName)
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if err != nil {
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println("Error getting user: ", err.Error())
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("User not found"))
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return
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}
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html, err := kiss.RenderIndexPage(user)
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if err != nil {
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println("Error rendering index page: ", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("Internal server error"))
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return
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}
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println("Rendering index page for user", userName)
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w.Write([]byte(html))
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}
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}
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func postHandler(repo kiss.Repository, userName string, postId string) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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user, err := repo.GetUser(userName)
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if err != nil {
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println("Error getting user: ", err.Error())
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("User not found"))
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return
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}
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post, err := user.GetPost(postId)
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if err != nil {
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println("Error getting post: ", err.Error())
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("Post not found"))
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return
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}
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html, err := kiss.RenderPost(post)
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if err != nil {
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println("Error rendering post: ", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("Internal server error"))
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return
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}
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println("Rendering post", postId)
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w.Write([]byte(html))
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}
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}
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func main() {
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println("KISS Web Server")
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println("Parameters")
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println("-repo <repo> - Specify the repository to use. Defaults to '.'")
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println("-port <port> - Specify the port to use, Default is '8080'")
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var repoName string
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var port int
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for i, arg := range os.Args[0 : len(os.Args)-1] {
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if arg == "-port" {
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port, _ = strconv.Atoi(os.Args[i+1])
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}
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if arg == "-repo" {
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repoName = os.Args[i+1]
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}
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}
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if repoName == "" {
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repoName = "."
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}
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if port == 0 {
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port = 8080
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}
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repo, err := kiss.OpenRepository(repoName)
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if err != nil {
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println("Error opening repository: ", err.Error())
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os.Exit(1)
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}
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http.Handle("/static/", static.StaticHandler(repo))
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http.HandleFunc("/", handler(repo))
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println("Listening on port", port)
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http.ListenAndServe(":"+strconv.Itoa(port), nil)
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}
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