1
|
<?php
|
2
|
/**
|
3
|
* @file
|
4
|
* DateiCalFeedsParser is Date iCal's Feeds parser plugin.
|
5
|
*/
|
6
|
|
7
|
class DateiCalFeedsParser extends FeedsParser {
|
8
|
|
9
|
/**
|
10
|
* Implements FeedsParser::getMappingSources().
|
11
|
*/
|
12
|
public function getMappingSources() {
|
13
|
return parent::getMappingSources() + self::getiCalMappingSources();
|
14
|
}
|
15
|
|
16
|
/**
|
17
|
* Implements FeedsParser::parse().
|
18
|
*/
|
19
|
public function parse(FeedsSource $source, FeedsFetcherResult $fetcher_result) {
|
20
|
$library = libraries_load('iCalcreator');
|
21
|
if (!$library['loaded']) {
|
22
|
throw new DateIcalException(t('Unable to load the iCalcreator library. Please ensure that it is properly installed.'));
|
23
|
}
|
24
|
$state = $source->state(FEEDS_PARSE);
|
25
|
|
26
|
// Read the iCal feed into memory.
|
27
|
$ical_feed_contents = $fetcher_result->getRaw();
|
28
|
|
29
|
// Parse the feed into an iCalcreator vcalendar object.
|
30
|
$calendar = new vcalendar();
|
31
|
if ($calendar->parse($ical_feed_contents) === FALSE) {
|
32
|
$plugin = $source->importer->config['fetcher']['plugin_key'];
|
33
|
$url = $source->config[$plugin]['source'];
|
34
|
throw new DateIcalException(t('Parsing the data from %url failed. Please ensure that this URL leads to a valid iCal feed.', array('%url' => $url)));
|
35
|
}
|
36
|
|
37
|
// Total hack to get around iCalcreator's mistreatment of UID "0".
|
38
|
if (empty($calendar->components[0]->uid) || empty($calendar->components[0]->uid['value'])) {
|
39
|
$calendar->components[0]->uid = array('value' => 'zero', 'params' => NULL);
|
40
|
}
|
41
|
|
42
|
// Allow modules to alter the vcalendar object before we interpret it.
|
43
|
$context = array(
|
44
|
'source' => $source,
|
45
|
'fetcher_result' => $fetcher_result,
|
46
|
);
|
47
|
drupal_alter('date_ical_import_vcalendar', $calendar, $context);
|
48
|
|
49
|
// We've got a vcalendar object created from the feed data. Now we need to
|
50
|
// convert that vcalendar into an array of Feeds-compatible data arrays.
|
51
|
// ParserVcalendar->parse() does that.
|
52
|
require_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'date_ical') . '/libraries/ParserVcalendar.inc';
|
53
|
$parser = new ParserVcalendar($calendar, $source, $fetcher_result, $source->getConfigFor($this));
|
54
|
|
55
|
// Using the stored progress pointer (or 0 if it's not set),
|
56
|
// determine which section of the feed to parse, then parse it.
|
57
|
$offset = isset($state->pointer) ? $state->pointer : 0;
|
58
|
$limit = $source->importer->getLimit();
|
59
|
$rows = $parser->parse($offset, $limit);
|
60
|
|
61
|
// Report progress.
|
62
|
$state->total = $parser->getTotalComponents();
|
63
|
// We need to add 1 to the index of the last parsed componenent so that
|
64
|
// the subsequent batch starts on the first unparsed component.
|
65
|
$state->pointer = $parser->getLastComponentParsed() + 1;
|
66
|
$state->progress($state->total, $state->pointer);
|
67
|
|
68
|
return new FeedsParserResult($rows);
|
69
|
}
|
70
|
|
71
|
/**
|
72
|
* Defines the default configuration settings for an actual import.
|
73
|
*/
|
74
|
public function sourceDefaults() {
|
75
|
return array(
|
76
|
'indefinite_count' => $this->config['indefinite_count'],
|
77
|
'until_not_utc' => $this->config['until_not_utc'],
|
78
|
'skip_days' => $this->config['skip_days'],
|
79
|
);
|
80
|
}
|
81
|
|
82
|
/**
|
83
|
* Defines the default settings shown on the configuration form.
|
84
|
*/
|
85
|
public function configDefaults() {
|
86
|
return array(
|
87
|
'indefinite_count' => '52',
|
88
|
'indefinite_message_display' => TRUE,
|
89
|
'until_not_utc' => FALSE,
|
90
|
'skip_days' => NULL,
|
91
|
);
|
92
|
}
|
93
|
|
94
|
/**
|
95
|
* Builds the configuration form.
|
96
|
*/
|
97
|
public function configForm(&$form_state) {
|
98
|
$form = array();
|
99
|
$form['indefinite_count'] = array(
|
100
|
'#title' => t('Indefinite COUNT'),
|
101
|
'#type' => 'select',
|
102
|
'#options' => array(
|
103
|
'31' => '31',
|
104
|
'52' => '52',
|
105
|
'90' => '90',
|
106
|
'365' => '365',
|
107
|
),
|
108
|
'#description' => t('Indefinitely repeating events are not supported. The repeat count will instead be set to this number.'),
|
109
|
'#default_value' => $this->config['indefinite_count'],
|
110
|
);
|
111
|
$form['indefinite_message_display'] = array(
|
112
|
'#title' => t('Display message when RRULE is missing COUNT'),
|
113
|
'#type' => 'checkbox',
|
114
|
'#default_value' => $this->config['indefinite_message_display'],
|
115
|
'#description' => t('Display a message when an indefinitely repeating rule is adjusted by the "Indefinite COUNT" setting above.'),
|
116
|
);
|
117
|
$form['until_not_utc'] = array(
|
118
|
'#title' => t('RRULE UNTILs are not in UTC'),
|
119
|
'#type' => 'checkbox',
|
120
|
'#description' => t('Enable this setting if your reccuring events are not repeating the correct number of times. ' .
|
121
|
'The iCal spec requires that the UNTIL value in an RRULE almost always be specified in UTC, but some iCal feed creators fail to follow that rule ' .
|
122
|
'(the UNTIL values in those feeds\' RRULEs don\'t end is "Z"). This causes the UNTIL value to be off by several hours, ' .
|
123
|
'which can cause the repeat calculator to miss or add repeats.'),
|
124
|
'#default_value' => $this->config['until_not_utc'],
|
125
|
);
|
126
|
$form['skip_days'] = array(
|
127
|
'#title' => t('Skip events more than X days old'),
|
128
|
'#type' => 'textfield',
|
129
|
'#size' => 5,
|
130
|
'#description' => t('Set this value to any positive integer (or 0) to skip events which ended more than that many days before the import. ' .
|
131
|
'Leave it blank to import all events.'),
|
132
|
'#default_value' => $this->config['skip_days'],
|
133
|
);
|
134
|
return $form;
|
135
|
}
|
136
|
|
137
|
/**
|
138
|
* Validation handler for configForm.
|
139
|
*/
|
140
|
public function configFormValidate(&$source_config) {
|
141
|
if (!preg_match('/^\d+$/', $source_config['skip_days']) && $source_config['skip_days'] !== '') {
|
142
|
form_set_error('skip_days', 'You must enter a positive integer.');
|
143
|
}
|
144
|
if ($source_config['skip_days'] === '') {
|
145
|
$source_config['skip_days'] = NULL;
|
146
|
}
|
147
|
}
|
148
|
|
149
|
/**
|
150
|
* Creates the list of mapping sources offered by DateiCalFeedsParser.
|
151
|
*/
|
152
|
public static function getiCalMappingSources() {
|
153
|
$sources = array();
|
154
|
$sources['SUMMARY'] = array(
|
155
|
'name' => t('Summary/Title'),
|
156
|
'description' => t('The SUMMARY property. A short summary (usually the title) of the event.
|
157
|
A title is required for every node, so you need to include this source and have it mapped to the node title, except under unusual circumstances.'
|
158
|
),
|
159
|
'date_ical_parse_handler' => 'parseTextProperty',
|
160
|
);
|
161
|
$sources['COMMENT'] = array(
|
162
|
'name' => t('Comment'),
|
163
|
'description' => t('The COMMENT property. A text comment is allowed on most components.'),
|
164
|
'date_ical_parse_handler' => 'parseTextProperty',
|
165
|
);
|
166
|
$sources['DESCRIPTION'] = array(
|
167
|
'name' => t('Description'),
|
168
|
'description' => t('The DESCRIPTION property. A more complete description of the event than what is provided by the Summary.'),
|
169
|
'date_ical_parse_handler' => 'parseTextProperty',
|
170
|
);
|
171
|
$sources['DTSTART'] = array(
|
172
|
'name' => t('Date: Start'),
|
173
|
'description' => t('The DTSTART property. The start time of each event in the feed.'),
|
174
|
'date_ical_parse_handler' => 'parseDateTimeProperty',
|
175
|
);
|
176
|
$sources['DTEND'] = array(
|
177
|
'name' => t('Date: End'),
|
178
|
'description' => t('THE DTEND or DURATION property. The end time (or duration) of each event in the feed.'),
|
179
|
'date_ical_parse_handler' => 'parseDateTimeProperty',
|
180
|
);
|
181
|
$sources['RRULE'] = array(
|
182
|
'name' => t('Date: Repeat Rule'),
|
183
|
'description' => t('The RRULE property. Describes when and how often this event should repeat.
|
184
|
The date field for the target node must be configured to support repeating dates, using the Date Repeat Field module (a submodule of Date).'),
|
185
|
'date_ical_parse_handler' => 'parseRepeatProperty',
|
186
|
);
|
187
|
$sources['UID'] = array(
|
188
|
'name' => 'UID',
|
189
|
'description' => t('The UID property. Each event must have a UID if you wish for the import process to be able to update previously-imported nodes.
|
190
|
If used, this field MUST be set to Unique.'),
|
191
|
'date_ical_parse_handler' => 'parseTextProperty',
|
192
|
);
|
193
|
$sources['URL'] = array(
|
194
|
'name' => 'URL',
|
195
|
'description' => t('The URL property. Some feeds specify a URL for the event using this property.'),
|
196
|
'date_ical_parse_handler' => 'parseTextProperty',
|
197
|
);
|
198
|
$sources['LOCATION'] = array(
|
199
|
'name' => t('Location'),
|
200
|
'description' => t('The LOCATION property. Can be mapped to a text field, or the title of a referenced node.'),
|
201
|
'date_ical_parse_handler' => 'parseTextProperty',
|
202
|
);
|
203
|
$sources['LOCATION:ALTREP'] = array(
|
204
|
'name' => t('Location: ALTREP'),
|
205
|
'description' => t('The ALTREP value of the LOCATION property. Additional location information, usually a URL to a page with more info.'),
|
206
|
'date_ical_parse_handler' => 'parsePropertyParameter',
|
207
|
);
|
208
|
$sources['CATEGORIES'] = array(
|
209
|
'name' => t('Categories'),
|
210
|
'description' => t('The CATEGORIES property. Catagories that describe the event, which can be imported into taxonomy terms.'),
|
211
|
'date_ical_parse_handler' => 'parseMultivalueProperty',
|
212
|
);
|
213
|
|
214
|
// Allow other modules to add custom source fields.
|
215
|
drupal_alter('date_ical_mapping_sources', $sources);
|
216
|
|
217
|
return $sources;
|
218
|
}
|
219
|
}
|