lisp/net/eudcb-bbdb.el

   1 ;;; eudcb-bbdb.el --- Emacs Unified Directory Client - BBDB Backend
   2
   3 ;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
   4
   5 ;; Author: Oscar Figueiredo <oscar@xemacs.org>
   6 ;; Maintainer: Oscar Figueiredo <oscar@xemacs.org>
   7 ;; Keywords: help
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 ;; Boston, MA 02111-1307, USA.
  25
  26 ;;; Commentary:
  27 ;;    This library provides an interface to use BBDB as a backend of
  28 ;;    the Emacs Unified Directory Client.
  29
  30 ;;; Code:
  31
  32 (require 'eudc)
  33 (if (not (featurep 'bbdb))
  34     (load-library "bbdb"))
  35 (if (not (featurep 'bbdb-com))
  36     (load-library "bbdb-com"))
  37
  38 ;;{{{      Internal cooking
  39
  40 ;; I don't like this but mapcar does not accept a parameter to the function and
  41 ;; I don't want to use mapcar*
  42 (defvar eudc-bbdb-current-query nil)
  43 (defvar eudc-bbdb-current-return-attributes nil)
  44
  45 (defvar eudc-bbdb-attributes-translation-alist
  46   '((name . lastname)
  47     (email . net)
  48     (phone . phones))
  49   "Alist mapping EUDC attribute names to BBDB names.")
  50
  51 (eudc-protocol-set 'eudc-query-function 'eudc-bbdb-query-internal 'bbdb)
  52 (eudc-protocol-set 'eudc-list-attributes-function nil 'bbdb)
  53 (eudc-protocol-set 'eudc-protocol-attributes-translation-alist
  54                    'eudc-bbdb-attributes-translation-alist 'bbdb)
  55 (eudc-protocol-set 'eudc-bbdb-conversion-alist nil 'bbdb)
  56 (eudc-protocol-set 'eudc-protocol-has-default-query-attributes nil 'bbdb)
  57
  58 (defun eudc-bbdb-format-query (query)
  59   "Format a EUDC query alist into a list suitable to `bbdb-search'."
  60   (let* ((firstname (cdr (assq 'firstname query)))
  61          (lastname (cdr (assq 'lastname query)))
  62          (name (or (and firstname lastname
  63                         (concat firstname " " lastname))
  64                    firstname
  65                    lastname))
  66         (company (cdr (assq 'company query)))
  67         (net (cdr (assq 'net query)))
  68         (notes (cdr (assq 'notes query)))
  69         (phone (cdr (assq 'phone query))))
  70     (list name company net notes phone)))
  71
  72
  73 (defun eudc-bbdb-filter-non-matching-record (record)
  74   "Return RECORD if it matches `eudc-bbdb-current-query', nil otherwise."
  75   (catch 'unmatch
  76     (progn
  77       (mapcar
  78        (function
  79         (lambda (condition)
  80           (let ((attr (car condition))
  81                 (val (cdr condition))
  82                 (case-fold-search t)
  83                 bbdb-val)
  84             (or (and (memq attr '(firstname lastname aka company phones addresses net))
  85                      (progn
  86                        (setq bbdb-val
  87                              (eval (list (intern (concat "bbdb-record-"
  88                                                          (symbol-name attr)))
  89                                          'record)))
  90                        (if (listp bbdb-val)
  91                            (if eudc-bbdb-enable-substring-matches
  92                                (eval `(or ,@(mapcar '(lambda (subval)
  93                                                        (string-match val
  94                                                                      subval))
  95                                                   bbdb-val)))
  96                              (member (downcase val)
  97                                      (mapcar 'downcase bbdb-val)))
  98                          (if eudc-bbdb-enable-substring-matches
  99                              (string-match val bbdb-val)
 100                            (string-equal (downcase val) (downcase bbdb-val))))))
 101                 (throw 'unmatch nil)))))
 102        eudc-bbdb-current-query)
 103       record)))
 104
 105 (defun eudc-bbdb-extract-phones (record)
 106   (mapcar (function
 107            (lambda (phone)
 108              (if eudc-bbdb-use-locations-as-attribute-names
 109                  (cons (intern (bbdb-phone-location phone))
 110                        (bbdb-phone-string phone))
 111                (cons 'phones (format "%s: %s"
 112                                      (bbdb-phone-location phone)
 113                                      (bbdb-phone-string phone))))))
 114           (bbdb-record-phones record)))
 115
 116 (defun eudc-bbdb-extract-addresses (record)
 117   (let (s c val)
 118     (mapcar (function
 119              (lambda (address)
 120                (setq val (concat (unless (= 0 (length (setq s (bbdb-address-street1 address))))
 121                                    (concat s "\n"))
 122                                  (unless (= 0 (length (setq s (bbdb-address-street2 address))))
 123                                    (concat s "\n"))
 124                                  (unless (= 0 (length (setq s (bbdb-address-street3 address))))
 125                                    (concat s "\n"))
 126                                  (progn
 127                                    (setq c (bbdb-address-city address))
 128                                    (setq s (bbdb-address-state address))
 129                                    (if (and (> (length c) 0) (> (length s) 0))
 130                                        (concat c ", " s " ")
 131                                      (concat c " ")))
 132                                  (bbdb-address-zip-string address)))
 133                (if eudc-bbdb-use-locations-as-attribute-names
 134                    (cons (intern (bbdb-address-location address)) val)
 135                  (cons 'addresses (concat (bbdb-address-location address) "\n" val)))))
 136             (bbdb-record-addresses record))))
 137
 138 (defun eudc-bbdb-format-record-as-result (record)
 139   "Format the BBDB RECORD as a EUDC query result record.
 140 The record is filtered according to `eudc-bbdb-current-return-attributes'"
 141   (let ((attrs (or eudc-bbdb-current-return-attributes
 142                    '(firstname lastname aka company phones addresses net notes)))
 143         attr
 144         eudc-rec
 145         val)
 146     (while (prog1
 147                (setq attr (car attrs))
 148              (setq attrs (cdr attrs)))
 149       (cond
 150        ((eq attr 'phones)
 151         (setq val (eudc-bbdb-extract-phones record)))
 152        ((eq attr 'addresses)
 153         (setq val (eudc-bbdb-extract-addresses record)))
 154        ((memq attr '(firstname lastname aka company net notes))
 155         (setq val (eval
 156                    (list (intern
 157                           (concat "bbdb-record-"
 158                                   (symbol-name attr)))
 159                          'record))))
 160        (t
 161         (setq val "Unknown BBDB attribute")))
 162       (if val
 163         (cond
 164          ((memq attr '(phones addresses))
 165           (setq eudc-rec (append val eudc-rec)))
 166          ((and (listp val)
 167           (= 1 (length val)))
 168           (setq eudc-rec (cons (cons attr (car val)) eudc-rec)))
 169          ((> (length val) 0)
 170           (setq eudc-rec (cons (cons attr val) eudc-rec)))
 171          (t
 172           (error "Unexpected attribute value")))))
 173     (nreverse eudc-rec)))
 174
 175
 176
 177 (defun eudc-bbdb-query-internal (query &optional return-attrs)
 178   "Query BBDB  with QUERY.
 179 QUERY is a list of cons cells (ATTR . VALUE) where ATTRs should be valid
 180 BBDB attribute names.
 181 RETURN-ATTRS is a list of attributes to return, defaulting to
 182 `eudc-default-return-attributes'."
 183
 184   (let ((eudc-bbdb-current-query query)
 185         (eudc-bbdb-current-return-attributes return-attrs)
 186         (query-attrs (eudc-bbdb-format-query query))
 187         bbdb-attrs
 188         (records (bbdb-records))
 189         result
 190         filtered)
 191     ;; BBDB ORs its query attributes while EUDC ANDs them, hence we need to
 192     ;; call bbdb-search iteratively on the returned records for each of the
 193     ;; requested attributes
 194     (while (and records (> (length query-attrs) 0))
 195       (setq bbdb-attrs (append bbdb-attrs (list (car query-attrs))))
 196       (if (car query-attrs)
 197           (setq records (eval `(bbdb-search ,(quote records) ,@bbdb-attrs))))
 198       (setq query-attrs (cdr query-attrs)))
 199     (mapcar (function
 200              (lambda (record)
 201                (setq filtered (eudc-filter-duplicate-attributes record))
 202                ;; If there were duplicate attributes reverse the order of the
 203                ;; record so the unique attributes appear first
 204                (if (> (length filtered) 1)
 205                    (setq filtered (mapcar (function
 206                                            (lambda (rec)
 207                                              (reverse rec)))
 208                                           filtered)))
 209                (setq result (append result filtered))))
 210             (delq nil
 211                   (mapcar 'eudc-bbdb-format-record-as-result
 212                           (delq nil
 213                                 (mapcar 'eudc-bbdb-filter-non-matching-record
 214                                         records)))))
 215     result))
 216
 217 ;;}}}
 218
 219 ;;{{{      High-level interfaces (interactive functions)
 220
 221 (defun eudc-bbdb-set-server (dummy)
 222   "Set the EUDC server to BBDB."
 223   (interactive)
 224   (eudc-set-server dummy 'bbdb)
 225   (message "BBDB server selected"))
 226
 227 ;;;}}}
 228
 229
 230 (eudc-register-protocol 'bbdb)
 231
 232 (provide 'eudcb-bbdb)
 233
 234 ;;; eudcb-bbdb.el ends here