119 lines
3.2 KiB
PHP
119 lines
3.2 KiB
PHP
<?php
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namespace CachetHQ\Cachet\Models;
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use CachetHQ\Cachet\Transformers\MetricTransformer;
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use DateInterval;
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use DateTime;
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use Dingo\Api\Transformer\TransformableInterface;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Facades\Config;
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use Illuminate\Support\Facades\DB;
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use Watson\Validating\ValidatingTrait;
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/**
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* @property int $id
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* @property string $name
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* @property string $suffix
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* @property string $description
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* @property int $display_chart
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* @property \Carbon\Carbon $created_at
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* @property \Carbon\Carbon $updated_at
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*/
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class Metric extends Model implements TransformableInterface
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{
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use ValidatingTrait;
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/**
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* The model's attributes.
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*
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* @var string[]
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*/
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protected $attributes = [
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'name' => '',
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'display_chart' => 1,
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];
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/**
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* The validation rules.
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*
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* @var string[]
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*/
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protected $rules = [
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'name' => 'required',
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'suffix' => 'required',
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'display_chart' => 'boolean',
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'default_value' => 'numeric|required',
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];
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/**
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* The fillable properties.
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*
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* @var string[]
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*/
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protected $fillable = ['name', 'suffix', 'description', 'display_chart', 'default_value'];
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/**
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* Metrics contain many metric points.
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*
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* @return \Illuminate\Database\Eloquent\Relations\HasMany
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*/
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public function points()
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{
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return $this->hasMany('CachetHQ\Cachet\Models\MetricPoint', 'metric_id', 'id');
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}
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/**
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* Returns the sum of all values a metric has.
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*
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* @param int $hour
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*
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* @return int
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*/
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public function getValues($hour)
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{
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$dateTime = new DateTime();
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$dateTime->sub(new DateInterval('PT'.$hour.'H'));
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if (Config::get('database.default') === 'mysql') {
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$value = (int) $this->points()->whereRaw('DATE_FORMAT(created_at, "%Y%c%e%H") = '.$dateTime->format('YmdH'))->whereRaw('HOUR(created_at) = HOUR(DATE_SUB(NOW(), INTERVAL '.$hour.' HOUR))')->groupBy(DB::raw('HOUR(created_at)'))->sum('value');
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} else {
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$query = DB::select("select sum(metric_points.value) as aggregate FROM metrics JOIN metric_points ON metric_points.metric_id = metrics.id WHERE to_char(metric_points.created_at, 'YYYYMMDDHH') = :timestamp AND to_char(metric_points.created_at, 'H') = to_char(now() - interval '{$hour} hour', 'H') GROUP BY to_char(metric_points.created_at, 'H')", [
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'timestamp' => $dateTime->format('YmdH'),
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]);
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if (isset($query[0])) {
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$value = $query[0]->aggregate;
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} else {
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$value = 0;
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}
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}
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if ($value === 0 && $this->default_value != $value) {
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return $this->default_value;
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}
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return $value;
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}
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/**
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* Determines whether a chart should be shown.
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*
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* @return bool
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*/
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public function getShouldDisplayAttribute()
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{
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return $this->display_chart === 1;
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}
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/**
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* Get the transformer instance.
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*
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* @return \CachetHQ\Cachet\Transformers\MetricTransformer
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*/
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public function getTransformer()
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{
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return new MetricTransformer();
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}
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}
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