worktimer/worktimer.scm
Nikolay Puzanov 52ef1c8f87 Add report build function.
Remove append file functionality.
Fix some bugs.
2014-04-17 01:03:19 +04:00

261 lines
10 KiB
Scheme
Executable File

#!/usr/bin/guile
!#
;; Copyright (c) 2014 Nikolay Puzanov <punzik@gmail.com>
;; Permission is hereby granted, free of charge, to any person obtaining a copy
;; of this software and associated documentation files (the "Software"), to deal
;; in the Software without restriction, including without limitation the rights
;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;; copies of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;; The above copyright notice and this permission notice shall be included in
;; all copies or substantial portions of the Software.
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
;; THE SOFTWARE.
(import (rnrs io ports (6))
(srfi srfi-1)
(srfi srfi-19)
(srfi srfi-11))
;;; Use srfi-48 in other scheme implementation
(use-modules (ice-9 format))
(use-modules (ice-9 pretty-print))
;;; Record format:
;;; PROJECT/TASK/SUBTASK/ETC: [START_TIME] - [STOP_TIME] - DURATION
(define date-format "~Y-~m-~d ~H:~M:~S")
;;; Find substring separated by ch-start and ch-end.
;;; (substring/find str ch-start ch-end [begin end])
;;; If ch-start is #f, select substring from beginning of string.
;;; If ch-end is #f, select substring from ch-start to end string.
(define (substring/find str ch-start ch-end . args)
(let ((start (if (null? args) 0 (car args)))
(end (if (< (length args) 2) (string-length str) (cadr args))))
(let loop ((strings '()) (start start))
(let ((ce
(if ch-end (string-index str ch-end start end) end)))
(if (not ce) (reverse strings)
(let ((cs (if ch-start (string-index str ch-start start ce) (- start 1))))
(if (not cs) (reverse strings)
(loop (cons (substring str (1+ cs) ce) strings) (1+ ce)))))))))
;;; Convert time-difference to string "hh:mm:ss"
(define (time-difference->h:m:s td)
(let ((sec (time-second td)))
(let* ((h (quotient sec 3600))
(m (quotient (- sec (* h 3600)) 60))
(s (- sec (* h 3600) (* m 60))))
(string-append
(format #f "~2,'0d" h) ":"
(format #f "~2,'0d" m) ":"
(format #f "~2,'0d" s)))))
;;; Convert path to string
(define (path->string path)
(let loop ((path path)
(str ""))
(if (null? path) str
(loop (cdr path)
(string-append
str
(car path)
(if (null? (cdr path)) "" "/"))))))
;;; Split path to separate elements
;;; (path-split str [start end])
(define (path-split str . args)
(let ((start (if (null? args) 0 (car args)))
(end (if (or (null? args) (null? (cdr args))) (string-length str) (cadr args))))
(let loop ((path '()) (path-start start))
(let ((item-end (string-index str #\/ path-start end)))
(if (not item-end)
(reverse (cons (substring str path-start end) path))
(loop
(cons (substring str path-start item-end) path) (1+ item-end)))))))
;;; Parse task string and return list:
;;; '((list of path elements) start-date stop-date duration)
(define (parse-task-string str)
(let ((path
(let ((path-end (string-index str #\:)))
(if (not path-end) '()
(path-split str 0 path-end))))
(dates (substring/find str #\[ #\])))
(if (null? dates) '()
(let ((date-start (string->date (car dates) "~Y-~m-~d ~H:~M:~S")))
(let-values (((date-end duration)
(if (null? (cdr dates))
(values #f #f)
(let* ((date-end (string->date (cadr dates) "~Y-~m-~d ~H:~M:~S"))
(duration (time-difference
(date->time-utc date-end)
(date->time-utc date-start))))
(values date-end duration)))))
(list path date-start date-end duration))))))
;;; Parse timesheet file and return list of tasks
(define (parse-timesheet filename)
(call-with-input-file filename
(lambda (port)
(let loop ((recs '()))
(let ((line (get-line port)))
(if (eof-object? line)
(reverse recs)
(loop (cons (parse-task-string line) recs))))))))
;;; Return difference of two dates
(define (date-difference d1 d2)
(time-difference
(date->time-utc d1)
(date->time-utc d2)))
;;; Print timesheet
(define (print-timesheet timesheet)
(for-each
(lambda (task)
(let ((path (car task))
(sdate (cadr task))
(edate (caddr task))
(duration (cadddr task)))
(format #t "~a: [~a]"
(path->string path)
(date->string sdate date-format))
(if edate
(format #t " - [~a] - ~a\n"
(date->string edate date-format)
(time-difference->h:m:s duration))
(newline))))
timesheet))
;;; Report is a tree of projects items.
;;; Root of the tree is super-project with name "ROOT":
;;; ("ROOT" d
;;; ("PROJ1" d
;;; ("P1-TASK1" d
;;; ("P1-T1-SUBTASK1" d)
;;; ("P1-T1-SUBTASK2" d))
;;; ("P1-TASK2" d)))
(define (make-report timesheet)
;; Add task duration to project branch
(define (tree-add-duration project-tree path duration)
(let tree-walk ((tree project-tree)
(path path))
;; Add task duration to tree leaf
(set-car! (cdr tree) (add-duration (cadr tree) duration))
;; Search next leaf corresponding with path item
(if (null? path)
project-tree
(let ((item (find
(lambda (i) (string= (car i) (car path)))
(cddr tree))))
(if item
(tree-walk item (cdr path))
;; Add new branch (or leaf) to tree
(let ((add-items
(let add-item-loop ((add-items '())
(path (reverse path)))
(if (null? path)
add-items
(add-item-loop
(if (null? add-items)
(list (car path) duration)
(list (car path) duration add-items))
(cdr path))))))
(set-cdr! (cdr tree) (cons add-items (cddr tree)))
project-tree))))))
;; END tree-add-duration
(let loop ((projects (list "Overall" (make-time 'time-duration 0 0)))
(timesheet timesheet))
(if (null? timesheet)
projects ; TODO Sort projects by path
(let* ((task (car timesheet))
(path (car task))
(duration (cadddr task)))
(loop (if duration
(tree-add-duration projects path duration)
projects)
(cdr timesheet))))))
(define (print-report report)
(let walk ((tree report)
(level 0))
(when (not (null? tree))
(format #t "~v_~a: ~a\n" level (car tree)
(time-difference->h:m:s (cadr tree)))
(for-each (lambda (l) (walk l (+ level 2))) (cddr tree)))))
;; MAIN
(define ts-file "/home/np/timesheet.txt")
;; (let* ((cmdl (command-line))
;; (params (cdr cmdl)))
;; (if (null? params)
;; ;; No command. Show last record and duration if running
;; (let ((last (timesheet-get-last ts-file)))
;; (if (null? last)
;; (format #t "Not any tasks\n")
;; (let ((path (car last))
;; (start-date (cadr last))
;; (stop-date (caddr last))
;; (duration (cadddr last))
;; (now (current-date)))
;; (format #t "~a: [~a] - [~a] - ~a\n"
;; (path->string path)
;; (date->string start-date "~Y-~m-~d ~H:~M:~S")
;; (if (not stop-date) "NOW"
;; (date->string stop-date "~Y-~m-~d ~H:~M:~S"))
;; (time-difference->h:m:s
;; (if duration duration
;; (time-difference
;; (date->time-utc (if stop-date stop-date now))
;; (date->time-utc start-date))))))))
;; ;; Commands
;; (let ((command (car params))
;; (date (current-date)))
;; (cond
;; ((equal? command "start")
;; ;; ----------------------- Start timer ------------------------- ;;
;; (call-with-append-file
;; ts-file
;; (lambda (port)
;; (let* ((last (timesheet-get-last ts-file))
;; (path
;; (if (null? (cdr params))
;; (if (null? last) '() (car last))
;; (path-split (cadr params)))))
;; (if (null? path)
;; (format #t "ERROR: Not specified the task path\n")
;; (begin
;; (when (and (not (null? last)) (not (caddr last)))
;; (write-stop-and-duration port (cadr last) date))
;; (format port "~a: [~a]" (path->string path) (date->string date "~Y-~m-~d ~H:~M:~S"))))))))
;; ((equal? command "stop")
;; ;; ----------------------- Stop timer ------------------------- ;;
;; (call-with-append-file
;; ts-file
;; (lambda (port)
;; (let ((last (timesheet-get-last ts-file)))
;; (if (or (null? last) (caddr last))
;; (format #t "WARNING: Not running any tasks\n")
;; (write-stop-and-duration port (cadr last) date))))))))))
(print-report (make-report (parse-timesheet ts-file)))