mirror of
https://github.com/ConnectedHumber/Air-Quality-Web
synced 2024-11-22 06:23:01 +00:00
103 lines
3.1 KiB
PHP
103 lines
3.1 KiB
PHP
<?php
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namespace AirQuality\Repositories;
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/**
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* Fetches device info from a MariaDB database.
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*/
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class MariaDBDeviceRepository implements IDeviceRepository {
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public static $table_name = "devices";
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public static $column_device_id = "device_id";
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public static $column_device_name = "device_name";
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public static $column_device_type = "device_type";
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public static $column_owner_id = "owner_id";
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public static $column_lat = "device_latitude";
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public static $column_long = "device_longitude";
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public static $column_altitude = "device_altitude";
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public static $table_name_type = "device_types";
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public static $column_type_id = "device_type";
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public static $column_type_processor = "processor";
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public static $column_type_connection = "Connection";
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public static $column_type_particle_sensor = "particle_sensor";
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public static $column_type_temp_sensor = "temp_sensor";
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public static $column_type_power = "power";
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public static $column_type_software = "Software";
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public static $column_type_notes = "Other";
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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 that gets a static variable by it's name. Useful in preparing SQL queries. */
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private $get_static;
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function __construct(\AirQuality\Database $in_database) {
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$this->database = $in_database;
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$this->get_static = function($name) { return self::$$name; };
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}
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public function get_all_devices($only_with_location) {
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$s = $this->get_static;
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$sql = "SELECT
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{$s("column_device_id")} AS id,
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{$s("column_device_name")} AS name,
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{$s("column_lat")} AS latitude,
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{$s("column_long")} AS longitude,
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{$s("column_altitude")} AS altitude,
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{$s("column_device_type")} AS type_id
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FROM {$s("table_name")}";
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if($only_with_location)
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$sql .= "\nWHERE
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{$s("column_lat")} IS NOT NULL
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AND {$s("column_long")} IS NOT NULL";
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$sql .= ";";
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return $this->database->query($sql)->fetchAll();
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}
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public function get_device_info_ext($device_id) {
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$s = $this->get_static;
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$query_result = $this->database->query(
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"SELECT
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{$s("table_name")}.{$s("column_device_id")} AS id,
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{$s("table_name")}.{$s("column_device_name")} AS name,
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{$s("table_name")}.{$s("column_lat")} AS latitude,
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{$s("table_name")}.{$s("column_long")} AS longitude,
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{$s("table_name")}.{$s("column_altitude")} AS altitude,
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{$s("table_name_type")}.*
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FROM {$s("table_name")}
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JOIN {$s("table_name_type")} ON
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{$s("table_name")}.{$s("column_device_type")} = {$s("table_name_type")}.{$s("column_type_id")}
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WHERE {$s("table_name")}.{$s("column_device_id")} = :device_id;", [
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"device_id" => $device_id
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]
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)->fetch(); // gets the next row from the query
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$result = [];
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foreach($query_result as $key => $value) {
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// Hack! Filter out some useless columns
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// We do this so that we can return everything we know about the
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// device in a manner that means we don't need to alter this code
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// if additional columns are added later.
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if($key == self::$column_type_id)
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continue;
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$result[strtolower($key)] = $value;
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}
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return $result;
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}
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}
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