97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package todotxt
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import (
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"bufio"
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"os"
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"regexp"
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"time"
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)
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type Task struct {
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Task string // Raw text
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Todo string // Only actual todo part of text
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Priority string
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Projects []string
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Contexts []string
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CreatedDate time.Time
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DueDate time.Time
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CompletedDate time.Time
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Completed bool
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}
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type TaskList []Task
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var (
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priorityRx = regexp.MustCompile(`^\(([A-Z])\)\s+`) // Match priority value: '(A) ...'
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createdDateRx = regexp.MustCompile(`^(\([A-Z]\)|)\s*([\d]{4}-[\d]{2}-[\d]{2})\s+`) // Match date value: '(A) 2012-12-12 ...' or '2012-12-12 ...'
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)
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// Return raw task text for String()
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func (task *Task) String() string {
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return task.Task
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}
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func (task *Task) HasPriority() bool {
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return task.Priority != ""
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}
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func (task *Task) HasCreatedDate() bool {
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return !task.CreatedDate.IsZero()
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}
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func (task *Task) HasDueDate() bool {
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return !task.DueDate.IsZero()
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}
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func (task *Task) HasCompletedDate() bool {
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return !task.CompletedDate.IsZero()
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}
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// Loading from *os.File allows to also use os.Stdin instead of just actual files
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func (tasklist *TaskList) LoadFromFile(file *os.File) error {
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*tasklist = []Task{} // Reset tasklist
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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task := Task{}
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task.Task = scanner.Text()
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// Check for priority
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if priorityRx.MatchString(task.Task) {
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task.Priority = priorityRx.FindStringSubmatch(task.Task)[1] // First match is priority value
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}
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// Check for created date
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if createdDateRx.MatchString(task.Task) {
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// Second match is created date value
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if date, err := time.Parse("2006-01-02", createdDateRx.FindStringSubmatch(task.Task)[2]); err != nil {
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return err
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} else {
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task.CreatedDate = date
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}
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}
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*tasklist = append(*tasklist, task)
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}
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if err := scanner.Err(); err != nil {
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return err
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}
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return nil
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}
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// Convenience method, since most of the time tasks will be loaded from an actual file, called "todo.txt" most likely ;)
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func (tasklist *TaskList) LoadFromFilename(filename string) error {
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file, err := os.Open(filename)
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if err != nil {
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return err
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}
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defer file.Close()
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return tasklist.LoadFromFile(file)
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}
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