Merge branch 'master' of github.com:ConnectedHumber/Air-Quality-Web

This commit is contained in:
Starbeamrainbowlabs 2019-03-10 00:15:04 +00:00
commit 0cd1032a3b
Signed by: sbrl
GPG Key ID: 1BE5172E637709C2
8 changed files with 153 additions and 30 deletions

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# Changelog
## v0.5.3 - 7th March 2019
- Tweak x axis labels
- Build script: Improve first-time setup experience
## v0.5.2 - 1st March 2019
- [API] Added `version` action
## v0.5.1 - 26th February 2019
- Fixed issue with non-linear sensor reading reports ([#15](https://github.com/ConnectedHumber/Air-Quality-Web/issues/15))

104
README.md
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@ -25,7 +25,9 @@ In order to run this program, you'll need the following:
The client-side code requires building. Currently, no pre-built versions are available (though these can be provided upon request), so this must be done from source. A build script is available, however, which automates the process - as explained below.
### System Requirements
- PHP-enabled web server (Nginx is recommended, but Apache works too)
- PHP-enabled web server
- _Nginx_ + _PHP-FPM_ is recommended
- Apache works too
- MariaDB database with the appropriate table structure pre-loaded
- PHP 7+
- Node.JS (preferably 10+) + npm 6+ (for installing & building the client-side app code)
@ -33,53 +35,101 @@ The client-side code requires building. Currently, no pre-built versions are ava
- PHP modules:
- `pdo-mysql` (for the database connection)
### Building From Source
The build script ensures that everything it does will not go outside the current directory (i.e. all dependencies are installed locally).
### Installation
1. Start by cloning this repository:
To build from source, start off by cloning this repository.
```bash
git clone https://github.com/ConnectedHumber/Air-Quality-Web.git
```
Then run the `setup` and `setup-dev` build commands from the root of the repository like this:
2. Change the ownership to allow your web server user to access the created directory. Usually, the web server will be running under the `www-data` user:
```bash
sudo chown -R www-data:www-data path/to/Air-Quality-Web
```
3. `cd` into the root of the cloned repository. Then install the dependencies (these are installed locally):
```bash
./build setup setup-dev
```
This will initialise any git submodules and install both the server-side and client-side dependencies. Once done, all you need to do is build the client-side code:
4. Build the client-side application:
```bash
# For development, run this:
./build client
# For production, run this:
NODE_ENV=production ./build client
# If you're actively working on the codebase and need to auto-recompile on every change, run this:
./build client-watch
```
For development purposes, the `client-watch` command is available.
In production, you probably want to do this instead:
5. Edit `data/settings.toml` to enter your database credentials.
You can edit other settings here too. See `settings.default.toml` for the settings you can change, but do **not** edit `settings.default.toml`! Edit `data/settings.toml` instead. You'll probably want to give the entire default settings file a careful read.
6. Configure your web server to serve the root of the repository you've cloned if you haven't already. Skip this step if you cloned the repository into a directory that your web server already serves.
7. Disallow public access to the private `data` directory.
In Nginx:
```nginx
# put this inside the "server { }" block:
location ^~ /path/to/data/directory {
deny all;
}
```
In Apache:
```htaccess
# Create a file with this content inside the data/ directory
Require all denied
```
8. Test the application with an API call. If this returns valid JSON, then you've set it up correctly
```
http://example.com/path/to/Air-Quality-Web/api.php?action=list-devices
```
9. (Optional) Setup HTTPS:
```bash
NODE_ENV=production ./build client
sudo apt install certbot
# On Nginx:
sudo certbot --nginx --domain example.com
# On Apache:
sudo certbot --apache --domain example.com
```
This will take longer, as it causes the build system to additionally minify the client code, saving a significant amount of bandwidth and speeding up loading times.
### Configuration
#### Web server
Configure your php-enabled web server to:
- ...serve the root directory of this repository in PHP
- ...block access to the `data` directory (created on first page load)
- ...be able to write to the repository root (technically only the `data` directory requires write access)
- Example: `sudo chown -R www-data:www-data path/to/repository_root`
#### Application
Some configuration must be done before the application is ready for use.
The first time `api.php` is called from a browser, it will create a new blank configuration file at `data/settings.toml`, if it doesn't already exist. See the `settings.default.toml` file in this repository for a list of configurable settings, but do **not** edit `settings.default.toml`!
Instead, enter your configuration details into `data/settings.toml`, which overrides `settings.default.toml`. In particular, you'll probably want to change the settings under the `[database]` header - but ensure you give the entire file a careful read.
## API
The server-side API is accessed through `api.php`, and supports a number of GET parameters. The most important of these is the `action` parameter, Which determines what the API will do. The following values are supported:
### version
> Returns the version of the application.
_No parameters are currently supported by this action._
Examples:
```
https://example.com/path/to/api.php?action=version
```
### fetch-data
> Fetches air quality data from the system for a specific data type at a specific date and time.

13
build
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@ -86,6 +86,19 @@ function task_setup {
composer install --no-dev;
task_end $?;
if [ ! -d "./data" ]; then
task_begin "Setting up initial data folder";
mkdir "./data"; chmod 0700 "./data";
echo -e "# -------[ Custom Settings File - Last updated $(date) ]-------" >"./data/settings.toml";
echo -e '[database]\nusername = "INSERT_DATABASE_USERNAME_HERE"\npassword = "INSERT_DATABASE_PASSWORD_HERE";' >>"./data/settings.toml";
echo -e "${HC}Don't forget to edit './data/settings.toml' to specify the database username and password${RS}";
echo -e "";
task_end $?;
fi
stage_end $?;
}

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@ -12,6 +12,7 @@ import Chart from '../../node_modules/chart.js/dist/Chart.bundle.min.js';
import GetFromUrl from './Helpers/GetFromUrl.mjs';
import GetContainingElement from './Helpers/GetContainingElement.mjs';
import Postify from './Helpers/Postify.mjs';
import { human_duration_unit } from './Helpers/DateHelper.mjs';
class DeviceReadingDisplay {
@ -238,7 +239,7 @@ class DeviceReadingDisplay {
type: "time",
time: {
format: "YYYY-MM-DD HH:mm",
tooltipFormat: 'll HH:mm'
tooltipFormat: 'll HH:mm',
},
scaleLabel: {
display: true,
@ -354,7 +355,8 @@ class DeviceReadingDisplay {
// Update the x axis labels
// this.chart.data.labels = new_data_obj.data.map((point) => point.t);
this.chart.options.scales.xAxes[0].time.unit = human_duration_unit(this.end_time.diff(this.start_time));
console.log(`New unit: ${this.chart.options.scales.xAxes[0].time.unit}`);
// Update the chart
this.chart.update();

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"use strict";
function human_duration_unit(milliseconds) {
let seconds = Math.floor(milliseconds / 1000);
if(seconds <= 60) return "second";
if(seconds <= 60*60) return "minute";
if(seconds <= 60*60*24) return "hour";
if(seconds <= 60*60*24*45) return "day";
if(seconds <= 60*60*24*365) return "month";
return "year";
}
export { human_duration_unit };

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36
logic/Actions/Version.php Normal file
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<?php
namespace AirQuality\Actions;
use \SBRL\TomlConfig;
use \AirQuality\PerfFormatter;
class Version implements IAction {
/** @var TomlConfig */
private $settings;
public function __construct(
TomlConfig $in_settings) {
$this->settings = $in_settings;
}
public function handle() : bool {
global $start_time;
$start_handle = microtime(true);
// 1: Parse markdown
$result = file_get_contents(ROOT_DIR."version");
// 2: Send response
header("content-length: " . strlen($result));
header("content-type: text/plain");
header("x-time-taken: " . PerfFormatter::format_perf_data($start_time, $start_handle, null));
echo($result);
return true;
}
}

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v0.5.1
v0.5.3