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seatmap.go
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seatmap.go
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// Copyright Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package backend
import (
"encoding/json"
"io/ioutil"
"net/http"
)
type Seat struct {
Id string `json:"id"`
Standard bool `json:"standard"`
X float64 `json:"x"`
Y float64 `json:"y"`
Rx string `json:"rx"`
Ry string `json:"ry"`
Height float64 `json:"height"`
Width float64 `json:"width"`
Wheelchair bool `json:"wheelchair"`
Availability bool `json:"availability"`
}
type SeatJsonRoot struct {
Seats []Seat `json:"seats"`
Height float64 `json:"height"`
Width float64 `json:"width"`
}
var seats []Seat
var seatsRoot SeatJsonRoot
func InitSeatmapPage() {
initSeatmap(DIST_FOLDER + "/json/seats.json")
RegisterSample("advanced/seatmap", renderSeatmap)
RegisterSample("advanced/seatmap_multiple_selection", renderSeatmap)
}
func renderSeatmap(w http.ResponseWriter, r *http.Request, page Page) {
page.Render(w, SeatJsonRoot{
Seats: seatsRoot.Seats,
Height: seatsRoot.Height,
Width: seatsRoot.Width,
})
}
func initSeatmap(path string) {
seatmapFile, err := ioutil.ReadFile(path)
if err != nil {
panic(err)
}
var root SeatJsonRoot
err = json.Unmarshal(seatmapFile, &root)
if err != nil {
panic(err)
}
seatsRoot = root
seats = root.Seats
}