package service
import (
"context"
"encoding/json"
"fmt"
"time"
chModel "donetick.com/core/internal/chore/model"
cModel "donetick.com/core/internal/circle/model"
cRepo "donetick.com/core/internal/circle/repo"
nModel "donetick.com/core/internal/notifier/model"
nRepo "donetick.com/core/internal/notifier/repo"
"donetick.com/core/logging"
)
type NotificationPlanner struct {
nRepo *nRepo.NotificationRepository
cRepo *cRepo.CircleRepository
}
func NewNotificationPlanner(nr *nRepo.NotificationRepository, cr *cRepo.CircleRepository) *NotificationPlanner {
return &NotificationPlanner{nRepo: nr,
cRepo: cr,
}
}
func (n *NotificationPlanner) GenerateNotifications(c context.Context, chore *chModel.Chore) bool {
log := logging.FromContext(c)
circleMembers, err := n.cRepo.GetCircleUsers(c, chore.CircleID)
assignees := make([]*cModel.UserCircleDetail, 0)
for _, member := range circleMembers {
if member.ID == chore.AssignedTo {
assignees = append(assignees, member)
}
}
if err != nil {
log.Error("Error getting circle members", err)
return false
}
n.nRepo.DeleteAllChoreNotifications(chore.ID)
notifications := make([]*nModel.Notification, 0)
if !chore.Notification || chore.FrequencyType == "trigger" {
return true
}
var mt *chModel.NotificationMetadata
if err := json.Unmarshal([]byte(*chore.NotificationMetadata), &mt); err != nil {
log.Error("Error unmarshalling notification metadata", err)
return false
}
if chore.NextDueDate == nil {
return true
}
if mt.DueDate {
notifications = append(notifications, generateDueNotifications(chore, assignees)...)
}
if mt.PreDue {
notifications = append(notifications, generatePreDueNotifications(chore, assignees)...)
}
if mt.Nagging {
notifications = append(notifications, generateOverdueNotifications(chore, assignees)...)
}
n.nRepo.BatchInsertNotifications(notifications)
return true
}
func generateDueNotifications(chore *chModel.Chore, users []*cModel.UserCircleDetail) []*nModel.Notification {
var assignee *cModel.UserCircleDetail
notifications := make([]*nModel.Notification, 0)
for _, user := range users {
if user.ID == chore.AssignedTo {
assignee = user
break
}
}
for _, user := range users {
notification := &nModel.Notification{
ChoreID: chore.ID,
IsSent: false,
ScheduledFor: *chore.NextDueDate,
CreatedAt: time.Now().UTC(),
TypeID: 1,
UserID: user.ID,
TargetID: fmt.Sprint(user.ChatID),
Text: fmt.Sprintf("📅 Reminder: '%s' is due today and assigned to %s.", chore.Name, assignee.DisplayName),
}
notifications = append(notifications, notification)
}
return notifications
}
func generatePreDueNotifications(chore *chModel.Chore, users []*cModel.UserCircleDetail) []*nModel.Notification {
var assignee *cModel.UserCircleDetail
for _, user := range users {
if user.ID == chore.AssignedTo {
assignee = user
break
}
}
notifications := make([]*nModel.Notification, 0)
for _, user := range users {
notification := &nModel.Notification{
ChoreID: chore.ID,
IsSent: false,
ScheduledFor: *chore.NextDueDate,
CreatedAt: time.Now().UTC().Add(-time.Hour * 3),
TypeID: 3,
UserID: user.ID,
TargetID: fmt.Sprint(user.ChatID),
Text: fmt.Sprintf("📢 Heads up! Chore '%s' is due soon (on %s) and assigned to %s.", chore.Name, chore.NextDueDate.Format("January 2nd"), assignee.DisplayName),
}
notifications = append(notifications, notification)
}
return notifications
}
func generateOverdueNotifications(chore *chModel.Chore, users []*cModel.UserCircleDetail) []*nModel.Notification {
var assignee *cModel.UserCircleDetail
for _, user := range users {
if user.ID == chore.AssignedTo {
assignee = user
break
}
}
notifications := make([]*nModel.Notification, 0)
for _, hours := range []int{24, 48, 72} {
scheduleTime := chore.NextDueDate.Add(time.Hour * time.Duration(hours))
for _, user := range users {
notification := &nModel.Notification{
ChoreID: chore.ID,
IsSent: false,
ScheduledFor: scheduleTime,
CreatedAt: time.Now().UTC(),
TypeID: 2,
UserID: user.ID,
TargetID: fmt.Sprint(user.ChatID),
Text: fmt.Sprintf("🚨 '%s' is now %d hours overdue. Please complete it as soon as possible. (Assigned to %s)", chore.Name, hours, assignee.DisplayName),
}
notifications = append(notifications, notification)
}
}
return notifications
}
