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|
package main
import (
"time"
)
type Service struct {
Db Database
}
type DateInfo struct {
Date Date
Tomorrow Date
Yesterday Date
IsToday bool
}
type EntryPage struct {
Entry *Entry
Detached bool
Tracking *Entry
DateInfo DateInfo
GroupToTasks map[string]([]*Task)
TaskCount int
}
type RootPage struct {
DateInfo DateInfo
Entry *EntryPage
Entries []*Entry
Task *TaskPage
Tasks *TasksPage
}
type TasksPage struct {
Tasks []*Task
GroupToTasks map[string]([]*Task)
}
type TaskPage struct {
Task *Task
}
func NewService(db Database) *Service {
return &Service{
Db: db,
}
}
func NewDateInfo(t time.Time) DateInfo {
return DateInfo{
Date: DateFromStd(t),
Tomorrow: DateFromStd(t.Add(24 * time.Hour)),
Yesterday: DateFromStd(t.Add(-24 * time.Hour)),
IsToday: DateFromStd(time.Now()) == DateFromStd(t),
}
}
func (srv *Service) GetTaskPage(id *int, task *Task) (*TaskPage, error) {
if task == nil {
tasks, err := srv.Db.QueryTask(id, nil, nil)
if err != nil {
return nil, err
}
if len(tasks) < 1 {
return nil, ErrNotFound
}
task = tasks[0]
}
return &TaskPage{
Task: task,
}, nil
}
func (srv *Service) GetTasksPage() (*TasksPage, error) {
tasks, err := srv.Db.GetTasks()
if err != nil {
return nil, err
}
mp := make(map[string]([]*Task))
for _, task := range tasks {
key := task.Group
if key == nil {
empty := ""
key = &empty
}
mparr, ok := mp[*key]
if !ok {
mparr = make([]*Task, 0)
}
mparr = append(mparr, task)
mp[*key] = mparr
}
return &TasksPage{
Tasks: tasks,
GroupToTasks: mp,
}, nil
}
func (srv *Service) GetEntryPage(detached *Entry, dt DateInfo) (*EntryPage, error) {
tracking, err := srv.Db.GetTracking()
if err != nil {
return nil, err
}
tasksPage, err := srv.GetTasksPage()
if err != nil {
return nil, err
}
page := &EntryPage{
Entry: tracking,
Detached: false,
Tracking: tracking,
DateInfo: dt,
GroupToTasks: tasksPage.GroupToTasks,
TaskCount: 0,
}
if detached != nil {
page.Entry = detached
page.Detached = true
}
if page.Entry != nil {
page.TaskCount = len(page.Entry.Tasks)
}
return page, nil
}
func (srv *Service) GetRootPage(date Date) (*RootPage, error) {
var entry *Entry = nil
if string(date) != time.Now().Format("2006-01-02") {
// If not today detach
entry = NewEntry(date)
}
entryPage, err := srv.GetEntryPage(entry, NewDateInfo(date.ToStd()))
if err != nil {
return nil, err
}
entries, err := srv.Db.QueryEntry(nil, &date)
if err != nil {
return nil, err
}
tasks, err := srv.GetTasksPage()
if err != nil {
return nil, err
}
task, err := srv.GetTaskPage(nil, NewTask())
if err != nil {
return nil, err
}
return &RootPage{
DateInfo: entryPage.DateInfo,
Entry: entryPage,
Entries: entries,
Task: task,
Tasks: tasks,
}, nil
}
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