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https://github.com/ConnectedHumber/Air-Quality-Web
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api/list-reading-types: optimise
This uses the new sensor_reading_value_types table that was recently added, and also REMOVES the "count" property on returned objects from this API action.
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commit
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8 changed files with 37 additions and 22 deletions
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@ -10,6 +10,10 @@ This is the changelog for the air quality web interface and its associated HTTP
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- `[Docs]` refers to changes to the [documentation](https://aq.connectedhumber.org/__nightdocs/00-Welcome.html).
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## v0.14
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- [API] Optimise `list-reading-types` action, which necessitated a database schema update and the removal of the `count` property on returned objects
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## v0.13.6
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- [Code] Add option to allow cross-origin-request sharing HTTP API requests
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2
build
2
build
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@ -28,7 +28,7 @@ cache_dir="./.cache";
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build_output_folder="./app";
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# Database settings for ssh port forwarding task
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database_host="db.connectedhumber.org";
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database_host="ch-kimsufi";
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database_name="aq_db";
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database_user="www-data";
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@ -37,7 +37,6 @@ class ListReadingTypes implements IAction {
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// 1: Parse & validate parameters
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$device_id = !empty($_GET["device-id"]) ? intval($_GET["device-id"]) : null;
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$days_to_analyse = intval($_GET["days"] ?? "1") - 1;
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$format = $_GET["format"] ?? "json";
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if(!in_array($format, ["json", "csv"])) {
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@ -54,7 +53,7 @@ class ListReadingTypes implements IAction {
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if(!is_int($device_id))
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$data = $this->types_repo->get_all_types();
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else
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$data = $this->types_repo->get_types_by_device($device_id, $days_to_analyse);
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$data = $this->types_repo->get_types_by_device($device_id);
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$this->perfcounter->end("sql");
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// 1.5: Validate data from database
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@ -33,8 +33,7 @@ interface IMeasurementTypeRepository {
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/**
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* Gets the all the measurement types ever reported by a given device id.
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* @param int $device_id The id of the device to get the reading types for.
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* @param int $day_to_analyse The number of days worth fo data to analyse. Defaults to -1, which is everything. Set to 0 for readings recorded in the last 24 hours, which is much faster.
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* @return string[] A list of device ids.
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*/
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public function get_types_by_device(int $device_id, int $days_to_analyse = -1);
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public function get_types_by_device(int $device_id);
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}
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@ -33,7 +33,6 @@ class MariaDBDeviceRepository implements IDeviceRepository {
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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 $column_type_notes = "Other";
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// ------------------------------------------------------------------------
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@ -81,27 +81,37 @@ class MariaDBMeasurementTypeRepository implements IMeasurementTypeRepository {
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)->fetchAll();
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}
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public function get_types_by_device($device_id, $days_to_analyse = -1) {
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public function get_types_by_device($device_id) {
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$data = [
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"device_id" => $device_id
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];
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if($days_to_analyse >= 0)
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$data["days"] = $days_to_analyse;
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$s = $this->get_static;
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$o = $this->get_static_extra;
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$repo_device = MariaDBDeviceRepository::class;
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$repo_sensor = MariaDBSensorRepository::class;
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/*
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SELECT reading_value_types.*
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FROM devices
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JOIN device_sensors ON device_sensors.device_id = devices.device_id
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JOIN sensors ON sensors.id = device_sensors.sensors_id
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JOIN sensor_reading_value_types ON sensor_reading_value_types.sensor_id = sensors.id
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JOIN reading_value_types ON reading_value_types.id = sensor_reading_value_types.reading_value_types_id
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WHERE devices.device_id=10
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GROUP BY reading_value_types.id;
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*/
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return $this->database->query(
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"SELECT
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{$s("table_name")}.*,
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COUNT({$s("table_name")}.{$s("column_id")}) AS count
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FROM {$o(MariaDBMeasurementDataRepository::class, "table_name_values")}
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JOIN {$o(MariaDBMeasurementDataRepository::class, "table_name_metadata")} ON
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{$o(MariaDBMeasurementDataRepository::class, "table_name_metadata")}.{$o(MariaDBMeasurementDataRepository::class, "column_metadata_id")} = {$o(MariaDBMeasurementDataRepository::class, "table_name_values")}.{$o(MariaDBMeasurementDataRepository::class, "column_values_reading_id")}
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JOIN {$s("table_name")} ON
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{$s("table_name")}.{$s("column_id")} = {$o(MariaDBMeasurementDataRepository::class, "table_name_values")}.{$o(MariaDBMeasurementDataRepository::class, "column_values_reading_type")}
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WHERE
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{$o(MariaDBMeasurementDataRepository::class, "table_name_metadata")}.{$o(MariaDBMeasurementDataRepository::class, "column_metadata_device_id")} = :device_id
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" . ($days_to_analyse >= 0 ? "AND DATEDIFF(NOW(),s_or_r) = :days" : "") . "
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"SELECT {$s("table_name")}.*
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FROM {$o($repo_device, "table_name")}
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JOIN {$o($repo_sensor, "table_name_assoc")}
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ON {$o($repo_sensor, "table_name_assoc")}.{$o($repo_sensor, "col_assoc_device_id")} = {$o($repo_device, "table_name")}.{$o($repo_device, "column_device_id")}
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JOIN {$o($repo_sensor, "table_name")}
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ON {$o($repo_sensor, "table_name_assoc")}.{$o($repo_sensor, "col_assoc_sensor_id")} = {$o($repo_sensor, "table_name")}.{$o($repo_sensor, "col_id")}
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JOIN {$o($repo_sensor, "table_name_rtassoc")}
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ON {$o($repo_sensor, "table_name")}.{$o($repo_sensor, "col_id")} = {$o($repo_sensor, "table_name_rtassoc")}.{$o($repo_sensor, "col_rtassoc_sensor_id")}
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JOIN {$s("table_name")}
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ON {$o($repo_sensor, "table_name_rtassoc")}.{$o($repo_sensor, "col_rtassoc_rvt_id")} = {$s("table_name")}.{$s("column_id")}
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WHERE {$o($repo_device, "table_name")}.{$o($repo_device, "column_device_id")} = :device_id
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GROUP BY {$s("table_name")}.{$s("column_id")};",
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$data
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)->fetchAll();
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@ -19,6 +19,10 @@ class MariaDBSensorRepository implements ISensorRepository {
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public static $col_assoc_device_id = "device_id";
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public static $col_assoc_sensor_id = "sensors_id";
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public static $table_name_rtassoc = "sensor_reading_value_types";
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public static $col_rtassoc_sensor_id = "sensor_id";
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public static $col_rtassoc_rvt_id = "reading_value_types_id";
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// ------------------------------------------------------------------------
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2
version
2
version
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@ -1 +1 @@
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v0.13.4-dev
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v0.14-dev
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