69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package main
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import (
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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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"strconv"
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"strings"
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)
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func buildQuery(q string) bson.M {
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var reg []bson.RegEx
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query := bson.M{}
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words := strings.Split(q, " ")
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for _, w := range words {
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tag := strings.SplitN(w, ":", 2)
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if len(tag) > 1 {
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query[tag[0]] = bson.RegEx{tag[1], "i"}
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} else {
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reg = append(reg, bson.RegEx{w, "i"})
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}
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}
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if len(reg) > 0 {
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query["keywords"] = bson.M{"$all": reg}
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}
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return query
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}
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type searchData struct {
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S Status
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Found int
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Books []Book
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Page int
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Next string
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Prev string
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}
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func searchHandler(coll *mgo.Collection) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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err := r.ParseForm()
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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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req := strings.Join(r.Form["q"], " ")
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page := 0
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if len(r.Form["p"]) != 0 {
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page, err = strconv.Atoi(r.Form["p"][0])
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if err != nil {
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page = 0
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}
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}
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res, num, _ := GetBook(coll, buildQuery(req), SEARCH_ITEMS_PAGE, page*SEARCH_ITEMS_PAGE)
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var data searchData
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data.S = GetStatus(w, r)
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data.S.Search = req
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data.Books = res
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data.Found = num
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data.Page = page + 1
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if num > (page+1)*SEARCH_ITEMS_PAGE {
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data.Next = "/search/?q=" + req + "&p=" + strconv.Itoa(page+1)
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}
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if page > 0 {
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data.Prev = "/search/?q=" + req + "&p=" + strconv.Itoa(page-1)
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}
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loadTemplate(w, "search", data)
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}
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}
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