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item_factory.go
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/
item_factory.go
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package entities
import (
"time"
)
type ItemFactory interface {
Create(data map[string]interface{}) Manageable
}
type NoteFactory struct{}
func getTags(data map[string]interface{}) []string {
var tags []string = make([]string, len(data["tags"].([]interface{})))
for idx, val := range data["tags"].([]interface{}) {
tags[idx] = interface{}(val).(string)
}
return tags
}
func getLogs(logs interface{}) []TaskLog {
if logs == nil {
return []TaskLog{}
}
result := make([]TaskLog, 0)
for _, log := range logs.([]interface{}) {
startedAt, _ := time.Parse(time.RFC3339, log.(map[string]interface{})["started_at"].(string))
pausedAt, _ := time.Parse(time.RFC3339, log.(map[string]interface{})["paused_at"].(string))
result = append(result, TaskLog{StartedAt: startedAt, PausedAt: pausedAt})
}
return result
}
func GetId(data map[string]interface{}) int {
return int(data["id"].(float64))
}
func (factory *NoteFactory) Create(data map[string]interface{}) Manageable {
note := NewNote(data["title"].(string), data["description"].(string), getTags(data)...)
if id := data["id"]; id != nil {
note.Id = GetId(data)
}
note.CreatedAt = getDate(data["created_at"])
if starred := data["is_starred"].(bool); starred {
note.IsStarred = starred
}
return note
}
type TaskFactory struct{}
func getDate(value interface{}) time.Time {
if value == nil || value.(string) == "" {
return time.Time{}
}
date, _ := time.Parse(time.RFC3339, value.(string))
return date
}
func getFloat64(value interface{}) float64 {
if value == nil {
return 0
}
return value.(float64)
}
func (factory *TaskFactory) Create(data map[string]interface{}) Manageable {
status := TaskStatus(data["status"].(string))
task := NewTask(data["title"].(string), data["description"].(string), status, getTags(data)...)
if id := data["id"]; id != nil {
task.Id = GetId(data)
}
if starred := data["is_starred"].(bool); starred {
task.IsStarred = starred
}
if priority := uint(data["priority"].(float64)); priority > 0 {
task.Priority = Priority(priority)
}
task.CompletedPercentage = uint(getFloat64(data["completed_percentage"]))
task.DurationInMinutes = uint(getFloat64(data["duration_in_minutes"]))
task.CreatedAt = getDate(data["created_at"])
task.StartedAt = getDate(data["started_at"])
task.CompletedAt = getDate(data["completed_at"])
task.CancelledAt = getDate(data["cancelled_at"])
task.DueDate = getDate(data["due_date"])
task.Logs = getLogs(data["logs"])
return task
}
func CreateItem(item map[string]interface{}) Manageable {
kind := item["type"].(string)
var factory ItemFactory = nil
switch kind {
case "note":
factory = &NoteFactory{}
case "task":
factory = &TaskFactory{}
}
if factory != nil {
return factory.Create(item)
}
return nil
}