forked from cryptag/cryptag
/
cremind.go
218 lines (180 loc) · 4.54 KB
/
cremind.go
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// Steve Phillips / elimisteve
// 2016.01.11
package main
import (
"fmt"
"log"
"os"
"path/filepath"
"sort"
"strings"
"time"
"github.com/elimisteve/cryptag/backend"
"github.com/elimisteve/cryptag/cli/color"
"github.com/elimisteve/cryptag/types"
)
var (
db backend.Backend
)
func init() {
fs, err := backend.LoadOrCreateFileSystem(
os.Getenv("BACKEND_PATH"),
os.Getenv("BACKEND"),
)
if err != nil {
log.Fatalf("LoadFileSystem error: %v\n", err)
}
db = fs
}
func main() {
if len(os.Args) == 1 {
log.Fatalln(usage)
}
switch os.Args[1] {
case "create":
if len(os.Args) < 5 {
log.Printf("At least 4 command line arguments must be included\n")
log.Fatalf(createUsage)
}
when, err := parseDate(os.Args[2])
if err != nil {
log.Fatal(err)
}
todo := os.Args[3]
tags := append(os.Args[4:], "when:"+when, "app:cremind",
"type:calendarevent", "type:text")
row, err := backend.CreateRow(db, nil, []byte(todo), tags)
if err != nil {
log.Fatalf("Error creating then saving new row: %v", err)
}
color.Println(fmtReminder(row))
case "delete":
if len(os.Args) < 3 {
log.Println("At least 2 command line arguments must be included")
log.Fatal(deleteUsage)
}
plainTags := append(os.Args[2:], "type:calendarevent", "type:text")
err := backend.DeleteRows(db, nil, plainTags)
if err != nil {
log.Fatal(err)
}
log.Printf("Row(s) successfully deleted\n")
default: // Search
tags := os.Args[1:]
if tags[0] == "today" {
tags[0] = "when:" + fmtDate(time.Now())
}
plaintags := append(tags, "type:calendarevent")
rows, err := backend.RowsFromPlainTags(db, nil, plaintags)
if err != nil {
log.Fatal(err)
}
// Sort and print
events := make([]string, 0, len(rows))
for _, r := range rows {
events = append(events, fmtReminder(r))
}
sort.Strings(events)
color.Println(strings.Join(events, "\n\n"))
}
}
var (
timeLayout = "20060102"
)
func fmtReminder(r *types.Row) string {
whenStr := types.RowTagWithPrefix(r, "when:")
when, err := time.Parse(timeLayout, whenStr)
if err != nil {
log.Printf("Error parsing timestamp `%v` as format `%v`: %v\n", whenStr,
timeLayout, err)
}
// Indicate whether this event is planned for today
today := ""
if isToday(when) {
today = "*"
}
dayOfWeek := when.Weekday().String()[:3] // E.g., "Fri"
return fmt.Sprintf(`%s %s "%s" %s`, color.BlackOnCyan(whenStr),
color.BlackOnCyan(dayOfWeek+today), r.Decrypted(),
color.Tags(r.PlainTags()))
}
func isToday(day time.Time) bool {
y, m, d := day.Date()
y2, m2, d2 := time.Now().Date()
return y == y2 && m == m2 && d == d2
}
func fmtDate(t time.Time) string {
y, m, d := t.Date()
return fmt.Sprintf("%d%02d%02d", y, m, d)
}
func parseDate(dateOrig string) (string, error) {
if dateOrig == "today" {
_, month, day := time.Now().Date()
dateOrig = fmt.Sprintf("%d/%d", month, day)
}
date := strings.Split(dateOrig, "/")
switch length := len(date); length {
case 0, 1:
return "", fmt.Errorf("Date must be in one of these formats: %s",
validDateFormats)
case 2:
if year := date[0]; len(year) == 4 { // yyyy/m(m)
month, err := validMonth(date[1])
if err != nil {
return "", err
}
day := "01"
return year + month + day, nil
}
// m(m)/d(d)
month, err := validMonth(date[0])
if err != nil {
return "", err
}
day, err := validDay(date[1])
if err != nil {
return "", err
}
year := fmt.Sprintf("%v", time.Now().Year())
return year + month + day, nil
case 3: // yyyy/m(m)/d(d)
year := date[0]
if len(year) != 4 {
return "", fmt.Errorf("Invalid year `%v`", year)
}
month, err := validMonth(date[1])
if err != nil {
return "", err
}
day, err := validDay(date[2])
if err != nil {
return "", err
}
return year + month + day, nil
}
return "", fmt.Errorf("Invalid date `%v`\n", os.Args[2])
}
func validMonth(month string) (string, error) {
if len(month) == 2 {
return month, nil
}
if len(month) == 1 {
return "0" + month, nil
}
return "", fmt.Errorf("Invalid month `%v`", month)
}
func validDay(day string) (string, error) {
if len(day) == 2 {
return day, nil
}
if len(day) == 1 {
return "0" + day, nil
}
return "", fmt.Errorf("Invalid day `%v`", day)
}
var (
usage = "Usage: " + filepath.Base(os.Args[0]) + " [create <date> <reminder> | delete] tag1 [tag2 ...]"
createUsage = "Usage: " + filepath.Base(os.Args[0]) + " create <date> <reminder> tag1 [tag2 ...]"
deleteUsage = "Usage: " + filepath.Base(os.Args[0]) + " delete tag1 [tag2 ...]"
validDateFormats = "'today', m(m)/d(d), yyyy/m(m), yyyy/m(m)/d(d)"
)