*** Backup Mirror *** The web interface and JSON api for the ConnectedHumber Air Quality Monitoring Project. https://github.com/ConnectedHumber/Air-Quality-Web
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namespace AirQuality\Repositories;
interface IMeasurementDataRepository {
* Returns the specified reading type for all devices at the specified date
* and time.
* @param DateTime $datetime The date and time to get the readings for.
* @param int $reading_type_id The reading type id to fetch.
* @return array The requested readings.
public function get_readings_by_date(\DateTime $datetime, int $reading_type_id);
* Gets the first and last DateTimes of the readings for a specified device.
* @param int $device_id The device id to fetch for.
* @return DateTime[] The first and last DateTimes for which readings are stored.
public function get_device_reading_bounds(int $device_id);
* Gets the readings of a specified type for a specific device between the 2 given dates and times.
* @param int $device_id The id of the device to fetch data for.
* @param string $type_id The reading type to fetch.
* @param DateTime $start The starting DateTime.
* @param DateTime $end The ending DateTime.
* @param int $average_seconds The number of seconds to averageg the data over. For example a value of 3600 (1 hour) will return 1 data point per hour, with the value of each point an average of all the readings for that hour.
* @return array The requested data.
public function get_readings_by_device(int $device_id, int $type_id, \DateTime $start, \DateTime $end, int $average_seconds = 1);
* Retrieves a given number of the most recent readings for a specific device.
* @param int $device_id The id of the device to get recent readings for.
* @param int $type_id The id of the reading type to fetch data for.
* @param int $count The number of readings to return.
* @return array The requested data.
public function get_recent_readings(int $device_id, int $type_id, int $count);