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Now the api can return a string with a module graph encoded in base64

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This commit is contained in:
Alejandro Gallardo Escobar 2015-02-06 13:48:59 +01:00
parent f956d219f4
commit d3151557f7
2 changed files with 68 additions and 1 deletions
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67
pandora_console/include/functions_api.php
View File

@ -7966,4 +7966,71 @@ function api_set_delete_special_day($id_special_day, $thrash2, $thrash3, $thrash
} }
} }
/**
* Get a module graph image encoded with base64.
* The value returned by this function will be always a string.
*
* @param int $id Id of the module.
* @param $thrash2 Don't use.
* @param array $other Array array('type' => 'string', 'data' => '<Graph seconds>').
* @param $thrash4 Don't use.
*
* example:
* api.php?op=get&op2=module_graph&id=1&other=3600
*
*/
function api_get_module_graph($id_module, $thrash2, $other, $thrash4) {
if (defined ('METACONSOLE')) {
return;
}
if (is_nan($id_module) || $id_module <= 0) {
returnError('error_module_graph', __(''));
return;
}
$id_exist = (bool) db_get_value ('id_agente_modulo', 'tagente_modulo', 'id_agente_modulo', $id_module);
if (!$id_exist) {
// returnError('id_not_found');
return;
}
$graph_seconds =(!empty($other) && isset($other['data'])) ? $other['data'] : 0;
if (is_nan($graph_seconds) || $graph_seconds <= 0) {
// returnError('error_module_graph', __(''));
return;
}
// Get the html item
$graph_html = grafico_modulo_sparse($id_module, $graph_seconds, false, 600, 300, '',
'', false, false, true, time(), '', 0, 0, true, true,
ui_get_full_url(false) . '/', 1, false, '', false, true);
$graph_image_file_encoded = false;
// Get the src of the html item
if (preg_match("/<img src='(.+)'>/", $graph_html, $matches)) {
if (isset($matches) && isset($matches[1])) {
$file_url = $matches[1];
// Get the file
$graph_image_file = file_get_contents($file_url);
if ($graph_image_file !== false) {
// Encode the file
$graph_image_file_encoded = base64_encode($graph_image_file);
unset($graph_image_file);
}
}
}
if (empty($graph_image_file_encoded)) {
// returnError('error_module_graph', __(''));
}
else {
returnData('string', array('type' => 'string', 'data' => $graph_image_file_encoded));
}
}
?> ?>

2
pandora_console/include/graphs/fgraph.php
View File

@ -267,7 +267,7 @@ function area_graph($flash_chart, $chart_data, $width, $height, $color,
$id_graph = serialize_in_temp($graph, null, $ttl); $id_graph = serialize_in_temp($graph, null, $ttl);
// Warning: This string is used in the function "api_get_module_graph" from 'functions_api.php' with the regec patern "/<img src='(.+)'>/"
return "<img src='" . ui_get_full_url (false, false, false, false) . "include/graphs/functions_pchart.php?static_graph=1&graph_type=area&ttl=".$ttl."&id_graph=" . $id_graph . "'>"; return "<img src='" . ui_get_full_url (false, false, false, false) . "include/graphs/functions_pchart.php?static_graph=1&graph_type=area&ttl=".$ttl."&id_graph=" . $id_graph . "'>";
} }
} }