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<?php
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/**
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* interface function for returning lookup description or data
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*/
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function connect_target_lookup($op = 'lookup', $parent = NULL, $child = NULL, $type = '') {
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$return = false;
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if ( $parent && $type ) {
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$lookup = connect_node_options( $parent->nid, $type.'_lookup_type' );
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if ($lookup) {
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eval('$return = '.$lookup.'($op, $parent, $child);');
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}
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}
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return $return;
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}
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/*
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* connect_lookup_NAME( $op = 'lookup', $child )
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*
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* @ param $op
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* 'lookup' -> perform the lookup
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* 'requires' -> get info to pass through via connect_action_hook function
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* 'describe' -> returns a title to display on the node settings form
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* 'cache' -> returns an array of descriptors for the cache table
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*
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* @ return
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* if $op=='lookup': object( object->email object->name object->fax, etc )
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* if $op=='requires' : array as per connect_action_* 'requires' op
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* if $op=='describe' : string describing the function
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* of $op=='cache' : array describing the connet_cache items this lookup can/may use
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*/
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/*
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* function to look up contact info for Canadian MP -- basic lookup from Postal Code
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*
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* uses the OpenConcept Consulting web service at http://makethechange.ca/
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* which requires a client key
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*
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*/
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function connect_lookup_mp($op = 'lookup', &$parent, &$child) {
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switch ($op) {
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case 'describe' :
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return 'Canadian MP (postal code)';
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break;
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case 'cache' :
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return array(
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'EDID2MP' => 'Federal riding to MP',
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'postalcode2riding' => 'Postal code to Federal riding'
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);
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break;
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case 'requires':
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$return['variables'] = array(
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'makethechange_key' => array(
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'#type' => 'textfield',
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'#title' => 'Makethechange web service key',
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'#default_value' => connect_node_options($parent->nid, 'makethechange_key'),
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'#required' => TRUE,
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),
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'mp_lookup_cache' => array(
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'#type' => 'radios',
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'#title' => 'Cache the lookup data?',
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'#options' => array( 'no' => 'No', 'yes' => 'Yes'),
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'#default_value' => connect_node_options($parent->nid, 'mp_lookup_cache'),
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'#required' => TRUE,
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),
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);
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$return['child'] = array(
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'postal_code' => 'Postal code',
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'lookup_mp_data_edid' => 'Riding',
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);
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return $return;
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case 'validate' :
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$code = connect_value( 'postal_code', $parent, $child, 'child' );
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if ( !connect_is_postalcode($code) ) {
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form_set_error('', 'Please enter a valid postal code.');
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}
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break;
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case 'lookup':
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$return = array();
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$use_cache = (connect_node_options($parent->nid, 'mp_lookup_cache') == 'yes');
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$mtc_key = connect_node_options($parent->nid, 'makethechange_key');
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$postalcode = connect_value('postal_code', $parent, $child, 'child');
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$edid = _connect_get_riding($mtc_key, $postalcode, 'federal', 'federal', $use_cache);
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if ($edid) {
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// save the riding in the child node
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connect_value('lookup_mp_data_edid', $parent, $child, 'child', $edid[0]['id']);
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/* Danger! in rare cases there may be > 1 matches: this
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* just grabs the first one; if this is a problem,
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* use the CCK MPautocomplete version to allow users to select a riding
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* or write a two-stage version of the participation form
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*/
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$mp = _connect_get_MP_by_EDID($mtc_key, $edid[0]['id'], $use_cache);
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if (!empty($mp)){
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$return['name'] = $mp->mp_name;
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$return['email'] = $mp->email;
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$return['fax'] = $mp->fax;
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}
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else {
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watchdog('connect', "connect_lookup_mp: MP not found for $edid[0][id]");
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}
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}
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else {
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watchdog('connect', "connect_lookup_mp: EDID not found for $postalcode");
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}
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return $return;
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break;
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}
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}
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/*
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* function to look up contact info for Canadian MP -- Autocomplete version
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* requires MP autocomplete and riding selection fields
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*
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* uses the OpenConcept Consulting web service at http://makethechange.ca/
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* which requires a client key
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*
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*/
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function connect_lookup_mp_autocomplete($op='lookup', &$parent, &$child) {
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switch ($op) {
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case 'describe' :
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return 'Canadian MP (autocomplete + riding list)';
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break;
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case 'requires':
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$return['variables'] = array(
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'makethechange_key' => array(
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'#type' => 'textfield',
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'#title' => 'Makethechange web service key',
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'#default_value' => connect_node_options( $parent->nid, 'makethechange_key' ),
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'#required' => TRUE,
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),
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'mp_autocomplete_lookup_cache' => array(
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'#type' => 'radios',
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'#title' => 'Cache the lookup data?',
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'#options' => array( 'no' => 'No', 'yes' => 'Yes'),
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'#default_value' => connect_node_options( $parent->nid, 'mp_autocomplete_lookup_cache'),
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'#required' => TRUE,
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),
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);
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$return['child'] = array(
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'riding_auto' => 'MP autocomplete field',
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'riding_list' => 'Riding list (to be selected if autocomplete fails)',
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);
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return $return;
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case 'cache' :
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return array(
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'EDID2MP' => 'Federal riding to MP',
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'postalcode2riding' => 'Postal code to Federal riding'
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);
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break;
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case 'validate' :
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$map = connect_get_map($parent->nid);
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$riding_auto = $child[$map['riding_auto']][0]['value'];
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$riding_list = $child[$map['riding_list']]['key'];
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if ( empty($riding_auto) && empty($riding_list) ) {
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form_set_error('', 'Please enter your postal code or select your riding from the list.');
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}
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break;
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case 'lookup':
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$edid = 0;
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$use_cache = (connect_node_options($parent->nid, 'mp_autocomplete_lookup_cache') == 'yes');
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$riding_auto = connect_value( 'riding_auto', $parent, $child, 'child' );
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$riding_list = connect_value( 'riding_list', $parent, $child, 'child' );
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if ( !empty($riding_list) ) {
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$edid = (int) $riding_list;
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}
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if ( $edid == 0 && !empty($riding_auto) ) {
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list($id,$discard) = sscanf($riding_auto, "%d | %s");
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$edid = (int) $id;
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}
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// do the lookup
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if ( is_numeric($edid) ) {
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$mtc_key = connect_node_options( $parent->nid, 'makethechange_key' );
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$mp = _connect_get_MP_by_EDID( $mtc_key, $edid, $use_cache);
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if ($mp ){
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$return['name'] = $mp->mp_name;
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$return['email'] = $mp->email;
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$return['fax'] = $mp->fax;
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return $return;
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}
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} else {
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die('problem!');
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}
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return null;
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}
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}
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/*
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* function to look up contact info for Ontario MPP
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*
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* uses the OpenConcept Consulting web service at http://makethechange.ca/
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* which requires a client key
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*
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*/
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/*
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function connect_lookup_on_mpp(&$participant) {
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// validate postal code
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$code = $participant->field_postal_code[0][value];
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if (! connect_is_postalcode($code)) {
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form_set_error('', t('There was a problem with the form data.'));
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return false;
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}
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// lookup MPP info
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$service_key = connect_get_service_key();
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// cacheable
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$cached_address = cache_get('on_mpp_' . $code, 'cache_connect');
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if ($cached_address) {
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return $cached_address;
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}
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$get_url = "http://makethechange.ca/provincial/on_riding.php?key=".urlencode($service_key)."&pc=".urlencode($code) . "&type=csv";
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$fh = fopen($get_url, "r") or watchdog('debug','fopen failed: ' . $get_url );
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$mpp_address = fread($fh, 200) or watchdog('debug','fread failed: ' . $get_url );
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fclose($fh);
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if (strpos($mpp_address, 'Error:')) {
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$mpp_address = false;
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}
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cache_set('on_mpp_' . $code, 'cache_connect', $mpp_address, CACHE_PERMANENT);
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return $mpp_address;
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}
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*/
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/***** Makethechange functions *****/
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// MP lookup using EDID
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function _connect_get_MP_by_EDID($service_key = NULL, $edid = NULL, $use_cache = FALSE) {
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if (is_numeric($edid)) {
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// cached value?
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if ($use_cache) {
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$cached = _connect_cached_value('EDID2MP', $edid);
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if (!empty($cached)) {
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drupal_set_message( '_connect_get_MP_by_EDID cache hit' );
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return $cached;
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}
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}
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// do lookup
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if ($service_key) {
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_connect_json_support(); // make sure we have JSON support
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$mp_url = 'http://makethechange.ca/federal/riding.php?type=json&key='.urlencode($service_key).'&edid='.$edid;
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$fh = fopen($mp_url, "r") or watchdog('debug','fopen failed: ' . $mp_url );
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$mp_info = fread($fh, 8192) or watchdog('debug','fread failed: ' . $mp_url );
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fclose($fh);
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if (!empty($mp_info)) {
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if (!strpos($mp_info, 'Error:')) {
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$return = json_decode(trim($mp_info));
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if ($use_cache) {
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$cached = _connect_cached_value('EDID2MP', $edid, $return);
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drupal_set_message( '_connect_get_MP_by_EDID cache set' );
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}
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return $return;
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}
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else {
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watchdog('connect', "get_MP_by_EDID $mp_info");
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}
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}
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else {
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watchdog('connect', "get_MP_by_EDID lookup returned empty MP data for $edid");
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}
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}
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}
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// parameter and lookup errors fall through here
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watchdog('connect', "get_MP_by_EDID missing EDID or service key");
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return NULL;
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}
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/*
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* generic riding lookup
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*
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* @parameters
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* postalcode (string)
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* scope (string) : 'federal'|'provincial'
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* detail (string) : 'ontario', 'ottawa', etc.
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*
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* @return
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* (array) of riding info = array( 'id'=>'', 'en'=>'', 'fr'=>'' )
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*
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* TODO - fix the web service API.
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*
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*/
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function _connect_get_riding($service_key = NULL, $postalcode = NULL, $scope='federal', $detail = 'federal', $use_cache = FALSE) {
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// verify and normalize postalcode format
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if (!connect_is_postalcode($postalcode)) {
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return;
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}
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$postalcode = strtoupper(preg_replace('/\s/', '', $postalcode));
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$return = FALSE;
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// cached value?
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if ($use_cache) {
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$cached = _connect_cached_value('postalcode2riding', $postalcode);
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if(!empty($cached)) {
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drupal_set_message( '_connect_get_riding cache hit' );
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return $cached;
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}
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}
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// look up data, if not found in cache
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| 319 |
// determine lookup URI based on type of lookup
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$scope_function = array (
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'federal' => array ( 'federal' => 'pc2csv/index' ),
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'provincial' => array ( 'ontario' => 'provincial/on_riding' ),
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'municipal' => array (),
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);
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if ( $service_key && isset($scope_function[$scope][$detail]) ) {
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$riding_url = 'http://makethechange.ca/' .$scope_function[$scope][$detail]. '.php?key='.urlencode($service_key).'&pc='.urlencode($postalcode).'&type=riding';
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| 328 |
$fh = fopen($riding_url, "r") or watchdog('debug','fopen failed: ' . $riding_url );
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| 329 |
$riding_data = fread($fh, 200) or watchdog('debug','fread failed: ' . $riding_url );
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| 330 |
fclose($fh);
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| 331 |
}
|
| 332 |
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| 333 |
// if there are results, walk through them and create an array of arrays
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| 334 |
if (!empty($riding_data)) {
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| 335 |
$row_token = strtok($riding_data, "\n");
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| 336 |
while ($row_token != false) {
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| 337 |
$return[] = connect_riding_data($row_token);
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| 338 |
$row_token = strtok("\n");
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| 339 |
}
|
| 340 |
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| 341 |
// cache, if desired
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| 342 |
if ($use_cache) {
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| 343 |
$cached = _connect_cached_value('postalcode2riding', $postalcode, $return);
|
| 344 |
drupal_set_message( '_connect_get_riding cache set' );
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| 345 |
}
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| 346 |
}
|
| 347 |
|
| 348 |
return $return;
|
| 349 |
}
|
| 350 |
|
| 351 |
|
| 352 |
// turns riding data returned from web service into an indexed array
|
| 353 |
function connect_riding_data($data = NULL) {
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| 354 |
$return = null;
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| 355 |
$array_keys = array('id','en','fr');
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| 356 |
$array_temp = explode(',',$data);
|
| 357 |
for ($i = 0; $i < count($array_temp); $i++) {
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| 358 |
$return[$array_keys[$i]] = trim( $array_temp[$i] );
|
| 359 |
}
|
| 360 |
return $return;
|
| 361 |
}
|
| 362 |
|
| 363 |
|
| 364 |
|
| 365 |
/**** Utility functions ****/
|
| 366 |
|
| 367 |
|
| 368 |
/*
|
| 369 |
* Determine available target lookup types, return in select list format
|
| 370 |
*/
|
| 371 |
function connect_get_lookup_types($select = FALSE) {
|
| 372 |
static $return = array();
|
| 373 |
$empty = array();
|
| 374 |
if (empty($return) ) {
|
| 375 |
$functions = get_defined_functions();
|
| 376 |
$array = $functions['user'];
|
| 377 |
foreach ($array as $key=>$name ) {
|
| 378 |
if (strpos($name, 'connect_lookup_') !== FALSE ) {
|
| 379 |
eval( '$label = '.$name.'(\'describe\', $empty, $empty);' );
|
| 380 |
$return[$name] = $label;
|
| 381 |
}
|
| 382 |
}
|
| 383 |
$return[0] = '';
|
| 384 |
asort($return);
|
| 385 |
}
|
| 386 |
return $return;
|
| 387 |
}
|
| 388 |
|
| 389 |
/*
|
| 390 |
* Wrappers for JSON support if this version/install of PHP
|
| 391 |
* doesn't support it natively
|
| 392 |
*
|
| 393 |
* Thanks to http://abeautifulsite.net/notebook/71
|
| 394 |
* JSON library from http://mike.teczno.com/json.html
|
| 395 |
*/
|
| 396 |
function _connect_json_support() {
|
| 397 |
if (!function_exists('json_encode')) {
|
| 398 |
require_once('JSON.php');
|
| 399 |
function json_encode($data) {
|
| 400 |
$json = new Services_JSON();
|
| 401 |
return($json->encode($data));
|
| 402 |
}
|
| 403 |
}
|
| 404 |
|
| 405 |
if (!function_exists('json_decode')) {
|
| 406 |
require_once('JSON.php');
|
| 407 |
function json_decode($data) {
|
| 408 |
$json = new Services_JSON();
|
| 409 |
return($json->decode($data));
|
| 410 |
}
|
| 411 |
}
|
| 412 |
}
|
| 413 |
|
| 414 |
// check the connect cache for a saved value for a lookup
|
| 415 |
// if no third param = getter; third value = setter
|
| 416 |
function _connect_cached_value($type = NULL, $source = NULL, $value = NULL) {
|
| 417 |
$return = FALSE;
|
| 418 |
if ($type && $source) {
|
| 419 |
if (!$value) {
|
| 420 |
$sql = "SELECT target from {connect_cache} WHERE type='%s' AND source = '%s';";
|
| 421 |
$result = db_query($sql, $type, $source);
|
| 422 |
if ($row = db_fetch_object($result)) {
|
| 423 |
$return = unserialize($row->target);
|
| 424 |
}
|
| 425 |
}
|
| 426 |
else {
|
| 427 |
// delete
|
| 428 |
$sql = "DELETE from {connect_cache} WHERE type='%s' AND source = '%s';";
|
| 429 |
$result = db_query($sql, $type, $source);
|
| 430 |
//insert
|
| 431 |
$sql = "INSERT INTO {connect_cache} (type, source, target, created) VALUES('%s', '%s', '%s', %d);";
|
| 432 |
$result = db_query($sql, $type, $source, serialize($value), time());
|
| 433 |
$return = $result;
|
| 434 |
}
|
| 435 |
}
|
| 436 |
return $return;
|
| 437 |
}
|
| 438 |
|
| 439 |
// return names for cached items
|
| 440 |
function _connect_get_cache_names() {
|
| 441 |
$cache_names = array();
|
| 442 |
$lookup_types = connect_get_lookup_types(TRUE);
|
| 443 |
unset($lookup_types[0]);
|
| 444 |
$empty = array();
|
| 445 |
foreach ($lookup_types as $key=>$title) {
|
| 446 |
if (function_exists($key)) {
|
| 447 |
eval('$temp = ' . $key . '(\'cache\', $empty, $empty);');
|
| 448 |
$cache_names = array_merge($cache_names, $temp);
|
| 449 |
}
|
| 450 |
}
|
| 451 |
return array_unique($cache_names);
|
| 452 |
}
|
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