63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package main
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import (
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"html/template"
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"labix.org/v2/mgo"
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"labix.org/v2/mgo/bson"
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"net/http"
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)
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const (
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IP = "127.0.0.1"
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DB_NAME = "trantor"
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BOOKS_COLL = "books"
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)
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func loadTemplate(w http.ResponseWriter, tmpl string, data interface{}) {
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// TODO: when finish devel conver to global:
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var templates = template.Must(template.ParseFiles("head.html", "foot.html", "front.html", "book.html", "search.html"))
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err := templates.ExecuteTemplate(w, "head.html", nil)
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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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err = templates.ExecuteTemplate(w, tmpl+".html", data)
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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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err = templates.ExecuteTemplate(w, "foot.html", nil)
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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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func bookHandler(coll *mgo.Collection, w http.ResponseWriter, r *http.Request) {
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var book Book
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coll.Find(bson.M{"title": r.URL.Path[len("/book/"):]}).One(&book)
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loadTemplate(w, "book", book)
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}
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func sendFile(w http.ResponseWriter, r *http.Request) {
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path := r.URL.Path[1:]
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http.ServeFile(w, r, path)
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}
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func main() {
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session, err := mgo.Dial(IP)
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if err != nil {
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panic(err)
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}
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defer session.Close()
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coll := session.DB(DB_NAME).C(BOOKS_COLL)
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http.HandleFunc("/book/", func(w http.ResponseWriter, r *http.Request) { bookHandler(coll, w, r) })
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http.HandleFunc("/search/", func(w http.ResponseWriter, r *http.Request) { searchHandler(coll, w, r) })
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http.HandleFunc("/img/", sendFile)
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http.HandleFunc("/cover/", sendFile)
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { loadTemplate(w, "front", nil) })
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http.ListenAndServe(":8080", nil)
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}
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