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package handlers
import (
"encoding/json"
"net/http"
"strings"
"time"
"task-dashboard/internal/api"
"task-dashboard/internal/config"
"task-dashboard/internal/models"
)
// WidgetAuthMiddleware validates the static bearer token for widget API endpoints.
func WidgetAuthMiddleware(token string, next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if token == "" {
http.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
auth := r.Header.Get("Authorization")
if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != token {
http.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
next.ServeHTTP(w, r)
})
}
// TimelineItemToWidgetItem converts a TimelineItem to a WidgetItem for the widget API.
// Exported for testability.
func TimelineItemToWidgetItem(item models.TimelineItem) models.WidgetItem {
wi := models.WidgetItem{
ID: item.ID,
Title: item.Title,
Source: item.Source,
IsAllDay: item.IsAllDay,
URL: item.URL,
}
switch item.Type {
case models.TimelineItemTypeEvent:
wi.Type = "event"
case models.TimelineItemTypeMeal:
wi.Type = "event"
case models.TimelineItemTypeCard, models.TimelineItemTypeGTask:
wi.Type = "task"
// not completable via widget API
default:
wi.Type = "task"
wi.Completable = item.Source == "todoist"
}
// Only populate Start/End for items with a real time (non-all-day, non-zero)
if !item.IsAllDay && !item.Time.IsZero() {
t := item.Time
wi.Start = &t
if item.EndTime != nil {
wi.End = item.EndTime
} else {
end := item.Time.Add(time.Hour)
wi.End = &end
}
}
return wi
}
// HandleWidgetGet returns today's timeline items as JSON for the Android widget.
func (h *Handler) HandleWidgetGet(w http.ResponseWriter, r *http.Request) {
now := config.Now()
tz := config.GetDisplayTimezone()
start := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, tz)
end := start.Add(24 * time.Hour)
items, err := BuildTimeline(r.Context(), h.store, start, end)
if err != nil {
http.Error(w, "internal error", http.StatusInternalServerError)
return
}
widgetItems := make([]models.WidgetItem, 0, len(items))
for _, item := range items {
// Only include today's items
if item.DaySection == models.DaySectionToday || item.IsOverdue {
widgetItems = append(widgetItems, TimelineItemToWidgetItem(item))
}
}
resp := models.WidgetResponse{
Now: now,
Items: widgetItems,
}
w.Header().Set("Content-Type", "application/json")
_ = json.NewEncoder(w).Encode(resp)
}
type widgetCompleteRequest struct {
ID string `json:"id"`
Source string `json:"source"`
}
// HandleWidgetComplete proxies a task completion to the source API.
func HandleWidgetComplete(todoistClient api.TodoistAPI) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req widgetCompleteRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "bad request", http.StatusBadRequest)
return
}
if req.Source != "todoist" {
http.Error(w, "source not completable", http.StatusBadRequest)
return
}
if todoistClient == nil {
http.Error(w, "todoist not configured", http.StatusServiceUnavailable)
return
}
if err := todoistClient.CompleteTask(r.Context(), req.ID); err != nil {
http.Error(w, "failed to complete task", http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}
}
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