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wakapi/routes/home.go

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package routes
import (
"encoding/json"
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"fmt"
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"github.com/emvi/logbuch"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
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conf "github.com/muety/wakapi/config"
"github.com/muety/wakapi/models"
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"github.com/muety/wakapi/models/view"
routeutils "github.com/muety/wakapi/routes/utils"
"github.com/muety/wakapi/services"
"net/http"
"strconv"
"strings"
"time"
)
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type HomeHandler struct {
config *conf.Config
keyValueSrvc services.IKeyValueService
}
var loginDecoder = schema.NewDecoder()
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var signupDecoder = schema.NewDecoder()
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var resetPasswordDecoder = schema.NewDecoder()
func NewHomeHandler(keyValueService services.IKeyValueService) *HomeHandler {
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return &HomeHandler{
config: conf.Get(),
keyValueSrvc: keyValueService,
}
}
func (h *HomeHandler) RegisterRoutes(router *mux.Router) {
router.Path("/").Methods(http.MethodGet).HandlerFunc(h.GetIndex)
}
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func (h *HomeHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
if h.config.IsDev() {
loadTemplates()
}
if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
return
}
templates[conf.IndexTemplate].Execute(w, h.buildViewModel(r, w))
}
func (h *HomeHandler) buildViewModel(r *http.Request, w http.ResponseWriter) *view.HomeViewModel {
var totalHours int
var totalUsers int
var newsbox view.Newsbox
if kv, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalTime); err == nil && kv != nil && kv.Value != "" {
if d, err := time.ParseDuration(kv.Value); err == nil {
totalHours = int(d.Hours())
}
}
if kv, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalUsers); err == nil && kv != nil && kv.Value != "" {
if d, err := strconv.Atoi(kv.Value); err == nil {
totalUsers = d
}
}
if kv, err := h.keyValueSrvc.GetString(conf.KeyNewsbox); err == nil && kv != nil && kv.Value != "" {
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if err := json.NewDecoder(strings.NewReader(kv.Value)).Decode(&newsbox); err != nil {
logbuch.Error("failed to decode newsbox message - %v", err)
}
}
vm := &view.HomeViewModel{
TotalHours: totalHours,
TotalUsers: totalUsers,
Newsbox: &newsbox,
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}
return routeutils.WithSessionMessages(vm, r, w)
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}