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|
package task
import (
"bufio"
"bytes"
"encoding/json"
"os/exec"
"strconv"
)
// Task represents a taskwarrior task as returned by `task export`.
type Annotation struct {
Entry string `json:"entry"`
Description string `json:"description"`
}
type Task struct {
ID int `json:"id"`
UUID string `json:"uuid"`
Description string `json:"description"`
Tags []string `json:"tags"`
Status string `json:"status"`
Start string `json:"start"`
Entry string `json:"entry"`
Due string `json:"due"`
Priority string `json:"priority"`
Recur string `json:"recur"`
Urgency float64 `json:"urgency"`
Annotations []Annotation `json:"annotations"`
}
// Add creates a new task with the given description and tags.
func Add(description string, tags []string) error {
args := []string{"add"}
for _, t := range tags {
if len(t) > 0 && t[0] != '+' {
t = "+" + t
}
args = append(args, t)
}
args = append(args, description)
cmd := exec.Command("task", args...)
return cmd.Run()
}
// Export retrieves all tasks using `task export rc.json.array=off` and parses
// the JSON output into a slice of Task structs.
// Export retrieves tasks using `task <filter> export rc.json.array=off` and parses
// the JSON output into a slice of Task structs. Optional filter arguments are
// passed directly to the `task` command before `export`.
func Export(filters ...string) ([]Task, error) {
args := append(filters, "export", "rc.json.array=off")
cmd := exec.Command("task", args...)
out, err := cmd.Output()
if err != nil {
return nil, err
}
var tasks []Task
scanner := bufio.NewScanner(bytes.NewReader(out))
for scanner.Scan() {
line := scanner.Bytes()
line = bytes.TrimSpace(line)
if len(line) == 0 {
continue
}
var t Task
if err := json.Unmarshal(line, &t); err != nil {
return nil, err
}
tasks = append(tasks, t)
}
if err := scanner.Err(); err != nil {
return nil, err
}
return tasks, nil
}
func run(args ...string) error {
cmd := exec.Command("task", args...)
return cmd.Run()
}
// SetStatus changes the status of the task with the given id.
func SetStatus(id int, status string) error {
return run(strconv.Itoa(id), "modify", "status:"+status)
}
// SetPriority changes the priority of the task with the given id.
func SetPriority(id int, priority string) error {
return run(strconv.Itoa(id), "modify", "priority:"+priority)
}
// AddTags adds tags to the task with the given id.
func AddTags(id int, tags []string) error {
args := []string{strconv.Itoa(id), "modify"}
for _, t := range tags {
if len(t) > 0 && t[0] != '+' {
t = "+" + t
}
args = append(args, t)
}
return run(args...)
}
// RemoveTags removes tags from the task with the given id.
func RemoveTags(id int, tags []string) error {
args := []string{strconv.Itoa(id), "modify"}
for _, t := range tags {
if len(t) > 0 && t[0] != '-' {
t = "-" + t
}
args = append(args, t)
}
return run(args...)
}
// SetRecurrence sets the recurrence for the task with the given id.
func SetRecurrence(id int, rec string) error {
return run(strconv.Itoa(id), "modify", "recur:"+rec)
}
// SetDueDate sets the due date for the task with the given id.
func SetDueDate(id int, due string) error {
return run(strconv.Itoa(id), "modify", "due:"+due)
}
// SetDescription changes the description of the task with the given id.
func SetDescription(id int, desc string) error {
return run(strconv.Itoa(id), "modify", "description:"+desc)
}
// Annotate adds an annotation to the task with the given id.
func Annotate(id int, text string) error {
return run(strconv.Itoa(id), "annotate", text)
}
// Denotate removes an annotation from the task with the given id.
func Denotate(id int, annoID int) error {
return run(strconv.Itoa(id), "denotate", strconv.Itoa(annoID))
}
// Edit opens the task in an editor for manual modification.
func Edit(id int) error {
return run(strconv.Itoa(id), "edit")
}
|
