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Display graphs of sensor data in a form with options for filtering data.

This commit is contained in:
paul121 2020-08-06 12:54:12 -07:00 committed by Michael Stenta
parent 6d66bb62dd
commit b5f996b53d
1 changed files with 125 additions and 38 deletions
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163
modules/farm/farm_sensor/farm_sensor_listener/farm_sensor_listener.module
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@ -608,6 +608,129 @@ function farm_sensor_listener_settings_form($sensor, $settings = array()) {
return $form;
}
/**
* Farm Sensor Listener Data Graphs Form.
*/
function farm_sensor_listener_data_graphs_form($form, &$form_state, $asset) {
// Bail if not a sensor asset.
if ($asset->type != 'sensor') {
return array();
}
// Fieldset to display sensor data.
$form['data'] = array(
'#type' => 'fieldset',
'#title' => t('Sensor Graphs'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
);
// Fieldset for query filters.
$form['data']['filters'] = array(
'#type' => 'fieldset',
'#title' => t('Filters'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
// Query all the distinct value names this sensor has stored.
$names = array();
$result = db_query('SELECT name FROM {farm_sensor_data} WHERE id = :id GROUP BY name', array(':id' => $asset->id));
foreach ($result as $row) {
$names[] = $row->name;
}
// Sensor values to display.
// Default to all distinct values the sensor has stored.
$form['data']['filters']['values'] = array(
'#type' => 'select',
'#title' => t('Sensor Values'),
'#options' => drupal_map_assoc($names),
'#multiple' => TRUE,
'#default_value' => $names,
);
// Provide a default date in the format YYYY-MM-DD.
$format = 'Y-m-d';
$current_date = date($format, REQUEST_TIME);
// Start date. Defaults to 1 week ago.
$past_week_date = date($format, strtotime('- 7 days', REQUEST_TIME));
$form['data']['filters']['start_date'] = array(
'#type' => 'date_select',
'#title' => t('Start date'),
'#default_value' => $past_week_date,
'#date_year_range' => '-10:+1',
'#date_format' => $format,
'#date_label_position' => 'within',
);
// End date. Defaults to current time.
$form['data']['filters']['end_date'] = array(
'#type' => 'date_select',
'#title' => t('End date'),
'#default_value' => $current_date,
'#date_year_range' => '-10:+1',
'#date_format' => $format,
'#date_label_position' => 'within',
);
// Submit button.
$form['data']['filters']['submit'] = array(
'#type' => 'submit',
'#value' => t('Submit'),
);
// Load filter values from form state or form field #default_value.
$filters = array(
'values' => isset($form_state['values']['values']) ? $form_state['values']['values'] : $form['data']['filters']['values']['#default_value'],
'start_date' => isset($form_state['values']['start_date']) ? $form_state['values']['start_date'] : $form['data']['filters']['start_date']['#default_value'],
'end_date' => isset($form_state['values']['end_date']) ? $form_state['values']['end_date'] : $form['data']['filters']['end_date']['#default_value'],
);
// Iterate through the names, load the data values for each,
// generate markup DIV ids, and store it all in JS settings.
$markup = array();
$graphs = array();
foreach ($filters['values'] as $name) {
$id = drupal_html_id('sensor-data-' . $name);
$markup[] = '<div id="' . $id . '" class="farm-sensor-graph"></div>';
$graph = array(
'name' => $name,
'id' => $id,
'data' => farm_sensor_listener_data($asset->id, $name, strtotime($filters['start_date']), strtotime($filters['end_date']), NULL, NULL),
);
$graphs[] = $graph;
}
// Add Javascript and CSS to build the graphs.
$settings = array(
'farm_sensor_listener' => array(
'graphs' => $graphs,
),
);
drupal_add_js($settings, 'setting');
drupal_add_js(drupal_get_path('module', 'farm_sensor_listener') . '/farm_sensor_listener.js');
drupal_add_js('https://cdn.plot.ly/plotly-latest.min.js', 'external');
drupal_add_css(drupal_get_path('module', 'farm_sensor_listener') . '/farm_sensor_listener.css');
// Output graphs.
$form['data']['graphs'] = array(
'#markup' => '<div class="farm-sensor-graphs clearfix">' . implode('', $markup) . '</div>',
);
return $form;
}
/**
* Submit callback for farm_sensor_listener_data_form_submit.
*/
function farm_sensor_listener_data_graphs_form_submit($form, &$form_state) {
// Rebuild the form in order to keep filter values.
$form_state['rebuild'] = TRUE;
}
/**
* Helper function for loading a sensor asset from it's public/private key.
*
@ -671,44 +794,8 @@ function farm_sensor_listener_farm_sensor_view($asset) {
return array();
}
// Query all the distinct value names this sensor has stored.
$names = array();
$result = db_query('SELECT name FROM {farm_sensor_data} WHERE id = :id GROUP BY name', array(':id' => $asset->id));
foreach ($result as $row) {
$names[] = $row->name;
}
// Iterate through the names, load the most recent 100 values for each,
// generate markup DIV ids, and store it all in JS settings.
$markup = array();
$graphs = array();
foreach ($names as $name) {
$id = drupal_html_id('sensor-data-' . $name);
$markup[] = '<div id="' . $id . '" class="farm-sensor-graph"></div>';
$graph = array(
'name' => $name,
'id' => $id,
'data' => farm_sensor_listener_data($asset->id, $name, NULL, NULL,100),
);
$graphs[] = $graph;
}
// Add Javascript and CSS to build the graphs.
$settings = array(
'farm_sensor_listener' => array(
'graphs' => $graphs,
),
);
drupal_add_js($settings, 'setting');
drupal_add_js(drupal_get_path('module', 'farm_sensor_listener') . '/farm_sensor_listener.js');
drupal_add_js('https://cdn.plot.ly/plotly-latest.min.js', 'external');
drupal_add_css(drupal_get_path('module', 'farm_sensor_listener') . '/farm_sensor_listener.css');
// Output the markup.
$build['views']['graph'] = array(
'#markup' => '<div class="farm-sensor-graphs clearfix">' . implode('', $markup) . '</div>',
'#weight' => -1,
);
// Load the sensor data graph form.
$build['views']['data'] = drupal_get_form('farm_sensor_listener_data_graphs_form', $asset);
// Return build array.
return $build;