mirror of
https://github.com/ConnectedHumber/Air-Quality-Web
synced 2024-11-22 06:23:01 +00:00
67 lines
2.2 KiB
PHP
67 lines
2.2 KiB
PHP
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<?php
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namespace AirQuality\Repositories;
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/**
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* Fetches measurement readings from a MariaDB database.
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*/
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class MariaDBMeasurementDataRepository implements IMeasurementDataRepository {
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public static $table_name_metadata = "readings";
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public static $table_name_values = "reading_values";
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public static $column_values_id = "id";
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public static $column_values_reading_id = "reading_id";
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public static $column_values_value = "value";
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public static $column_values_reading_value_types_id = "reading_value_types_id";
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public static $column_metadata_id = "id";
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public static $column_metadata_storedon = "storedon";
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public static $column_metadata_recordedon = "recordedon";
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public static $column_metadata_device_id = "device_id";
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public static $column_metadata_lat = "reading_latitude";
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public static $column_metadata_long = "reading_longitude";
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// ------------------------------------------------------------------------
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/**
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* The database connection.
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* @var \AirQuality\Database
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*/
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private $database;
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function __construct(\AirQuality\Database $in_database) {
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$this->database = $in_database;
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}
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public function get_readings_by_date(\DateTime $datetime, string $reading_type) {
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return $this->database->query(
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"SELECT
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$this->table_name_values.*,
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$this->table_name_metadata.device_id,
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COALESCE(
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$this->table_name_metadata.$this->column_metadata_recordedon,
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$this->table_name_metadata.$this->column_metadata_storedon
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) AS datetime,
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COALESCE(
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$this->table_name_metadata.$this->column_metadata_lat,
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{MariaDBDeviceRepository::$table_name}.device_latitude
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) AS latitude,
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COALESCE(
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$this->table_name_metadata.$this->column_metadata_long,
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devices.device_longitude
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) AS longitude
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FROM $this->table_name_values
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JOIN $this->table_name_metadata ON $this->table_name_values.$this->column_values_reading_id = $this->table_name_metadata.id
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JOIN devices ON $this->table_name_metadata.$this->column_metadata_device_id = devices.device_id
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WHERE COALESCE(
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$this->table_name_metadata.$this->column_metadata_recordedon,
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$this->table_name_metadata.$this->column_metadata_storedon
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) = :datetime",
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[
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"datetime" => $datetime,
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"reading_type" => $reading_type
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]
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);
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}
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}
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