402 lines
16 KiB
EmacsLisp
402 lines
16 KiB
EmacsLisp
;;; org-invoice.el --- Help manage client invoices in OrgMode
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;;
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;; Copyright (C) 2008-2013 pmade inc. (Peter Jones pjones@pmade.com)
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;;
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;; This file is not part of GNU Emacs.
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;;
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;; Permission is hereby granted, free of charge, to any person obtaining
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;; a copy of this software and associated documentation files (the
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;; "Software"), to deal in the Software without restriction, including
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;; without limitation the rights to use, copy, modify, merge, publish,
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;; distribute, sublicense, and/or sell copies of the Software, and to
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;; permit persons to whom the Software is furnished to do so, subject to
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;; the following conditions:
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;;
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;; The above copyright notice and this permission notice shall be
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;; included in all copies or substantial portions of the Software.
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;;
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;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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;; LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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;; OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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;; WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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;;
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;; Commentary:
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;;
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;; Building on top of the terrific OrgMode, org-invoice tries to
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;; provide functionality for managing invoices. Currently, it does
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;; this by implementing an OrgMode dynamic block where invoice
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;; information is aggregated so that it can be exported.
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;;
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;; It also provides a library of functions that can be used to collect
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;; this invoice information and use it in other ways, such as
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;; submitting it to on-line invoicing tools.
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;;
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;; I'm already working on an elisp package to submit this invoice data
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;; to the FreshBooks on-line accounting tool.
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;;
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;; Usage:
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;;
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;; In your ~/.emacs:
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;; (autoload 'org-invoice-report "org-invoice")
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;; (autoload 'org-dblock-write:invoice "org-invoice")
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;;
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;; See the documentation in the following functions:
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;;
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;; `org-invoice-report'
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;; `org-dblock-write:invoice'
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;;
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;; Latest version:
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;;
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;; git clone git://pmade.com/elisp
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(eval-when-compile
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(require 'cl)
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(require 'org))
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(defgroup org-invoice nil
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"OrgMode Invoice Helper"
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:tag "Org-Invoice" :group 'org)
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(defcustom org-invoice-long-date-format "%A, %B %d, %Y"
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"The format string for long dates."
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:type 'string :group 'org-invoice)
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(defcustom org-invoice-strip-ts t
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"Remove org timestamps that appear in headings."
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:type 'boolean :group 'org-invoice)
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(defcustom org-invoice-default-level 2
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"The heading level at which a new invoice starts. This value
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is used if you don't specify a scope option to the invoice block,
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and when other invoice helpers are trying to find the heading
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that starts an invoice.
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The default is 2, assuming that you structure your invoices so
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that they fall under a single heading like below:
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* Invoices
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** This is invoice number 1...
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** This is invoice number 2...
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If you don't structure your invoices using those conventions,
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change this setting to the number that corresponds to the heading
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at which an invoice begins."
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:type 'integer :group 'org-invoice)
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(defcustom org-invoice-start-hook nil
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"Hook called when org-invoice is about to collect data from an
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invoice heading. When this hook is called, point will be on the
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heading where the invoice begins.
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When called, `org-invoice-current-invoice' will be set to the
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alist that represents the info for this invoice."
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:type 'hook :group 'org-invoice)
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(defcustom org-invoice-heading-hook nil
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"Hook called when org-invoice is collecting data from a
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heading. You can use this hook to add additional information to
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the alist that represents the heading.
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When this hook is called, point will be on the current heading
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being processed, and `org-invoice-current-item' will contain the
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alist for the current heading.
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This hook is called repeatedly for each invoice item processed."
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:type 'hook :group 'org-invoice)
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(defvar org-invoice-current-invoice nil
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"Information about the current invoice.")
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(defvar org-invoice-current-item nil
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"Information about the current invoice item.")
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(defvar org-invoice-table-params nil
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"The table parameters currently being used.")
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(defvar org-invoice-total-time nil
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"The total invoice time for the summary line.")
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(defvar org-invoice-total-price nil
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"The total invoice price for the summary line.")
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(defconst org-invoice-version "1.0.0"
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"The org-invoice version number.")
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(defun org-invoice-goto-tree (&optional tree)
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"Move point to the heading that represents the head of the
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current invoice. The heading level will be taken from
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`org-invoice-default-level' unless tree is set to a string that
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looks like tree2, where the level is 2."
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(let ((level org-invoice-default-level))
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(save-match-data
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(when (and tree (string-match "^tree\\([0-9]+\\)$" tree))
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(setq level (string-to-number (match-string 1 tree)))))
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(org-back-to-heading)
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(while (and (> (org-reduced-level (org-outline-level)) level)
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(org-up-heading-safe)))))
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(defun org-invoice-heading-info ()
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"Return invoice information from the current heading."
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(let ((title (org-no-properties (org-get-heading t)))
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(date (org-entry-get nil "TIMESTAMP" 'selective))
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(work (org-entry-get nil "WORK" nil))
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(rate (or (org-entry-get nil "RATE" t) "0"))
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(level (org-outline-level))
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raw-date long-date)
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(unless date (setq date (org-entry-get nil "TIMESTAMP_IA" 'selective)))
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(unless date (setq date (org-entry-get nil "TIMESTAMP" t)))
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(unless date (setq date (org-entry-get nil "TIMESTAMP_IA" t)))
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(unless work (setq work (org-entry-get nil "CLOCKSUM" nil)))
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(unless work (setq work "00:00"))
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(when date
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(setq raw-date (apply 'encode-time (org-parse-time-string date)))
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(setq long-date (format-time-string org-invoice-long-date-format raw-date)))
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(when (and org-invoice-strip-ts (string-match org-ts-regexp-both title))
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(setq title (replace-match "" nil nil title)))
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(when (string-match "^[ \t]+" title)
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(setq title (replace-match "" nil nil title)))
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(when (string-match "[ \t]+$" title)
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(setq title (replace-match "" nil nil title)))
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(setq work (org-hh:mm-string-to-minutes work))
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(setq rate (string-to-number rate))
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(setq org-invoice-current-item (list (cons 'title title)
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(cons 'date date)
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(cons 'raw-date raw-date)
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(cons 'long-date long-date)
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(cons 'work work)
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(cons 'rate rate)
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(cons 'level level)
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(cons 'price (* rate (/ work 60.0)))))
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(run-hook-with-args 'org-invoice-heading-hook)
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org-invoice-current-item))
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(defun org-invoice-level-min-max (ls)
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"Return a list where the car is the min level, and the cdr the max."
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(let ((max 0) min level)
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(dolist (info ls)
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(when (cdr (assoc 'date info))
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(setq level (cdr (assoc 'level info)))
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(when (or (not min) (< level min)) (setq min level))
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(when (> level max) (setq max level))))
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(cons (or min 0) max)))
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(defun org-invoice-collapse-list (ls)
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"Reorganize the given list by dates."
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(let ((min-max (org-invoice-level-min-max ls)) new)
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(dolist (info ls)
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(let* ((date (cdr (assoc 'date info)))
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(work (cdr (assoc 'work info)))
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(price (cdr (assoc 'price info)))
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(long-date (cdr (assoc 'long-date info)))
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(level (cdr (assoc 'level info)))
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(bucket (cdr (assoc date new))))
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(if (and (/= (car min-max) (cdr min-max))
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(= (car min-max) level)
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(= work 0) (not bucket) date)
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(progn
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(setq info (assq-delete-all 'work info))
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(push (cons 'total-work 0) info)
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(push (cons date (list info)) new)
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(setq bucket (cdr (assoc date new))))
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(when (and date (not bucket))
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(setq bucket (list (list (cons 'date date)
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(cons 'title long-date)
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(cons 'total-work 0)
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(cons 'price 0))))
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(push (cons date bucket) new)
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(setq bucket (cdr (assoc date new))))
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(when (and date bucket)
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(setcdr (assoc 'total-work (car bucket))
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(+ work (cdr (assoc 'total-work (car bucket)))))
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(setcdr (assoc 'price (car bucket))
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(+ price (cdr (assoc 'price (car bucket)))))
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(nconc bucket (list info))))))
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(nreverse new)))
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(defun org-invoice-info-to-table (info)
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"Create a single org table row from the given info alist."
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(let ((title (cdr (assoc 'title info)))
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(total (cdr (assoc 'total-work info)))
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(work (cdr (assoc 'work info)))
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(price (cdr (assoc 'price info)))
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(with-price (plist-get org-invoice-table-params :price)))
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(unless total
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(setq
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org-invoice-total-time (+ org-invoice-total-time work)
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org-invoice-total-price (+ org-invoice-total-price price)))
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(setq total (and total (org-minutes-to-hh:mm-string total)))
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(setq work (and work (org-minutes-to-hh:mm-string work)))
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(insert-before-markers
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(concat "|" title
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(cond
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(total (concat "|" total))
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(work (concat "|" work)))
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(and with-price price (concat "|" (format "%.2f" price)))
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"|" "\n"))))
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(defun org-invoice-list-to-table (ls)
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"Convert a list of heading info to an org table"
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(let ((with-price (plist-get org-invoice-table-params :price))
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(with-summary (plist-get org-invoice-table-params :summary))
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(with-header (plist-get org-invoice-table-params :headers))
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(org-invoice-total-time 0)
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(org-invoice-total-price 0))
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(insert-before-markers
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(concat "| Task / Date | Time" (and with-price "| Price") "|\n"))
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(dolist (info ls)
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(insert-before-markers "|-\n")
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(mapc 'org-invoice-info-to-table (if with-header (cdr info) (cdr (cdr info)))))
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(when with-summary
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(insert-before-markers
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(concat "|-\n|Total:|"
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(org-minutes-to-hh:mm-string org-invoice-total-time)
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(and with-price (concat "|" (format "%.2f" org-invoice-total-price)))
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"|\n")))))
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(defun org-invoice-collect-invoice-data ()
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"Collect all the invoice data from the current OrgMode tree and
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return it. Before you call this function, move point to the
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heading that begins the invoice data, usually using the
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`org-invoice-goto-tree' function."
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(let ((org-invoice-current-invoice
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(list (cons 'point (point)) (cons 'buffer (current-buffer))))
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(org-invoice-current-item nil))
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(save-restriction
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(org-narrow-to-subtree)
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(org-clock-sum)
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(run-hook-with-args 'org-invoice-start-hook)
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(cons org-invoice-current-invoice
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(org-invoice-collapse-list
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(org-map-entries 'org-invoice-heading-info t 'tree 'archive))))))
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(defun org-dblock-write:invoice (params)
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"Function called by OrgMode to write the invoice dblock. To
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create an invoice dblock you can use the `org-invoice-report'
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function.
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The following parameters can be given to the invoice block (for
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information about dblock parameters, please see the Org manual):
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:scope Allows you to override the `org-invoice-default-level'
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variable. The only supported values right now are ones
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that look like :tree1, :tree2, etc.
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:prices Set to nil to turn off the price column.
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:headers Set to nil to turn off the group headers.
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:summary Set to nil to turn off the final summary line."
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(let ((scope (plist-get params :scope))
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(org-invoice-table-params params)
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(zone (point-marker))
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table)
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(unless scope (setq scope 'default))
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(unless (plist-member params :price) (plist-put params :price t))
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(unless (plist-member params :summary) (plist-put params :summary t))
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(unless (plist-member params :headers) (plist-put params :headers t))
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(save-excursion
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(cond
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((eq scope 'tree) (org-invoice-goto-tree "tree1"))
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((eq scope 'default) (org-invoice-goto-tree))
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((symbolp scope) (org-invoice-goto-tree (symbol-name scope))))
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(setq table (org-invoice-collect-invoice-data))
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(goto-char zone)
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(org-invoice-list-to-table (cdr table))
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(goto-char zone)
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(org-table-align)
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(move-marker zone nil))))
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(defun org-invoice-in-report-p ()
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"Check to see if point is inside an invoice report."
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(let ((pos (point)) start)
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(save-excursion
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(end-of-line 1)
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(and (re-search-backward "^#\\+BEGIN:[ \t]+invoice" nil t)
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(setq start (match-beginning 0))
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(re-search-forward "^#\\+END:.*" nil t)
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(>= (match-end 0) pos)
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start))))
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(defun org-invoice-report (&optional jump)
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"Create or update an invoice dblock report. If point is inside
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an existing invoice report, the report is updated. If point
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isn't inside an invoice report, a new report is created.
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When called with a prefix argument, move to the first invoice
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report after point and update it.
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For information about various settings for the invoice report,
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see the `org-dblock-write:invoice' function documentation.
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An invoice report is created by reading a heading tree and
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collecting information from various properties. It is assumed
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that all invoices start at a second level heading, but this can
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be configured using the `org-invoice-default-level' variable.
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Here is an example, where all invoices fall under the first-level
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heading Invoices:
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* Invoices
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** Client Foo (Jan 01 - Jan 15)
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*** [2008-01-01 Tue] Built New Server for Production
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*** [2008-01-02 Wed] Meeting with Team to Design New System
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** Client Bar (Jan 01 - Jan 15)
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*** [2008-01-01 Tue] Searched for Widgets on Google
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*** [2008-01-02 Wed] Billed You for Taking a Nap
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In this layout, invoices begin at level two, and invoice
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items (tasks) are at level three. You'll notice that each level
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three heading starts with an inactive timestamp. The timestamp
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can actually go anywhere you want, either in the heading, or in
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the text under the heading. But you must have a timestamp
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somewhere so that the invoice report can group your items by
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date.
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Properties are used to collect various bits of information for
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the invoice. All properties can be set on the invoice item
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headings, or anywhere in the tree. The invoice report will scan
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up the tree looking for each of the properties.
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Properties used:
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CLOCKSUM: You can use the Org clock-in and clock-out commands to
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create a CLOCKSUM property. Also see WORK.
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WORK: An alternative to the CLOCKSUM property. This property
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should contain the amount of work that went into this
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invoice item formatted as HH:MM (e.g. 01:30).
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RATE: Used to calculate the total price for an invoice item.
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Should be the price per hour that you charge (e.g. 45.00).
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It might make more sense to place this property higher in
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the hierarchy than on the invoice item headings.
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Using this information, a report is generated that details the
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items grouped by days. For each day you will be able to see the
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total number of hours worked, the total price, and the items
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worked on.
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You can place the invoice report anywhere in the tree you want.
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I place mine under a third-level heading like so:
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* Invoices
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** An Invoice Header
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*** [2008-11-25 Tue] An Invoice Item
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*** Invoice Report
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#+BEGIN: invoice
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#+END:"
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(interactive "P")
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(let ((report (org-invoice-in-report-p)))
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(when (and (not report) jump)
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(when (re-search-forward "^#\\+BEGIN:[ \t]+invoice" nil t)
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(org-show-entry)
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(beginning-of-line)
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(setq report (point))))
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(if report (goto-char report)
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(org-create-dblock (list :name "invoice")))
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(org-update-dblock)))
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(provide 'org-invoice)
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