opensync-plugin-0.4x/src/vcard.cc

   1 ///
   2 /// \file       vcard.cc
   3 ///             Conversion routines for vcards
   4 ///
   5
   6 /*
   7     Copyright (C) 2006-2013, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include "vcard.h"
  23 #include "environment.h"
  24 #include "trace.h"
  25 #include <stdint.h>
  26 #include <glib.h>
  27 #include <string.h>
  28 #include <sstream>
  29 #include <ctype.h>
  30 #include "i18n.h"
  31
  32 using namespace Barry::Sync;
  33
  34 //////////////////////////////////////////////////////////////////////////////
  35 //
  36
  37 VCardConverter::VCardConverter()
  38         : m_Data(0)
  39 {
  40 }
  41
  42 VCardConverter::VCardConverter(uint32_t newRecordId)
  43         : m_Data(0),
  44         m_RecordId(newRecordId)
  45 {
  46 }
  47
  48 VCardConverter::~VCardConverter()
  49 {
  50         if( m_Data )
  51                 g_free(m_Data);
  52 }
  53
  54 // Transfers ownership of m_Data to the caller
  55 char* VCardConverter::ExtractData()
  56 {
  57         Trace trace("VCardConverter::ExtractData");
  58         char *ret = m_Data;
  59         m_Data = 0;
  60         return ret;
  61 }
  62
  63 bool VCardConverter::ParseData(const char *data)
  64 {
  65         Trace trace("VCardConverter::ParseData");
  66
  67         try {
  68
  69                 vCard vcard;
  70                 m_Contact = vcard.ToBarry(data, m_RecordId);
  71
  72         }
  73         catch( Barry::ConvertError &ce ) {
  74                 trace.logf(_("ERROR: vcard:Barry::ConvertError exception: %s"), ce.what());
  75                 m_last_errmsg = ce.what();
  76                 return false;
  77         }
  78
  79         return true;
  80 }
  81
  82 // Barry storage operator
  83 void VCardConverter::operator()(const Barry::Contact &rec)
  84 {
  85         Trace trace("VCardConverter::operator()");
  86
  87         // Delete data if some already exists
  88         if( m_Data ) {
  89                 g_free(m_Data);
  90                 m_Data = 0;
  91         }
  92
  93         try {
  94
  95                 vCard vcard;
  96                 vcard.ToVCard(rec);
  97                 m_Data = vcard.ExtractVCard();
  98
  99         }
 100         catch( Barry::ConvertError &ce ) {
 101                 trace.logf(_("ERROR: vcard:Barry::ConvertError exception: %s"), ce.what());
 102                 m_last_errmsg = ce.what();
 103         }
 104 }
 105
 106 // Barry builder operator
 107 bool VCardConverter::operator()(Barry::Contact &rec, Barry::Builder &)
 108 {
 109         Trace trace("VCardConverter::builder operator()");
 110
 111         rec = m_Contact;
 112         return true;
 113 }
 114
 115 // Handles calling of the Barry::Controller to fetch a specific
 116 // record, indicated by index (into the RecordStateTable).
 117 // Returns a g_malloc'd string of data containing the vcard30
 118 // data.  It is the responsibility of the caller to free it.
 119 // This is intended to be passed into the GetChanges() function.
 120 char* VCardConverter::GetRecordData(BarryEnvironment *env, unsigned int dbId,
 121                                     Barry::RecordStateTable::IndexType index)
 122 {
 123         Trace trace("VCardConverter::GetRecordData()");
 124
 125         using namespace Barry;
 126
 127         VCardConverter contact2vcard;
 128         RecordParser<Contact, VCardConverter> parser(contact2vcard);
 129         env->GetDesktop()->GetRecord(dbId, index, parser);
 130         return contact2vcard.ExtractData();
 131 }
 132
 133 bool VCardConverter::CommitRecordData(BarryEnvironment *env, unsigned int dbId,
 134         Barry::RecordStateTable::IndexType StateIndex, uint32_t recordId,
 135         const char *data, bool add, std::string &errmsg)
 136 {
 137         Trace trace("VCardConverter::CommitRecordData()");
 138
 139         uint32_t newRecordId;
 140         if( add ) {
 141                 // use given id if possible
 142                 if( recordId && !env->m_ContactsSync.m_Table.GetIndex(recordId) ) {
 143                         // recordId is unique and non-zero
 144                         newRecordId = recordId;
 145                 }
 146                 else {
 147                         trace.log(_("Can't use recommended recordId, generating new one."));
 148                         newRecordId = env->m_ContactsSync.m_Table.MakeNewRecordId();
 149                 }
 150         }
 151         else {
 152                 newRecordId = env->m_ContactsSync.m_Table.StateMap[StateIndex].RecordId;
 153         }
 154         trace.logf("newRecordId: %u", newRecordId);
 155
 156         VCardConverter convert(newRecordId);
 157         if( !convert.ParseData(data) ) {
 158                 std::ostringstream oss;
 159                 oss << _("unable to parse change data for new RecordId: ")
 160                     << newRecordId
 161                     << " (" << convert.GetLastError() << ") "
 162                     << _("data: ") << data;
 163                 errmsg = oss.str();
 164                 trace.log(errmsg.c_str());
 165                 return false;
 166         }
 167
 168         Barry::RecordBuilder<Barry::Contact, VCardConverter> builder(convert);
 169
 170         if( add ) {
 171                 trace.log(_("adding record"));
 172                 env->GetDesktop()->AddRecord(dbId, builder);
 173         }
 174         else {
 175                 trace.log(_("setting record"));
 176                 env->GetDesktop()->SetRecord(dbId, StateIndex, builder);
 177                 trace.log(_("clearing dirty flag"));
 178                 env->GetDesktop()->ClearDirty(dbId, StateIndex);
 179         }
 180
 181         return true;
 182 }
 183