mirror of
https://github.com/seigler/cryptohistory.org
synced 2025-07-26 01:06:12 +00:00
functioning rest-style chart server!
This commit is contained in:
Joshua Seigler
commit
e1784bdd4c
8 changed files with 434 additions and 0 deletions
7
.gitignore
vendored
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7
.gitignore
vendored
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@ -0,0 +1,7 @@
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# https://git-scm.com/docs/gitignore
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# https://help.github.com/articles/ignoring-files
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# Example .gitignore files: https://github.com/github/gitignore
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||||
/bower_components/
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/node_modules/
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||||
/vendor/
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||||
/.brackets.json
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||||
7
composer.json
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7
composer.json
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@ -0,0 +1,7 @@
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{
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||||
"require": {
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||||
"seigler/neat-charts": "@dev",
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||||
"altorouter/altorouter": "1.1.0",
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||||
"phpFastCache/phpFastCache": "^4.3"
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}
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}
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187
composer.lock
generated
Normal file
187
composer.lock
generated
Normal file
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@ -0,0 +1,187 @@
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{
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||||
"_readme": [
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||||
"This file locks the dependencies of your project to a known state",
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||||
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
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||||
"This file is @generated automatically"
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||||
],
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||||
"hash": "1bb799d5b600f9167c5a63c390825771",
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||||
"content-hash": "8a896903dde64517a29ad409d716c428",
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||||
"packages": [
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||||
{
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||||
"name": "altorouter/altorouter",
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||||
"version": "v1.1.0",
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||||
"source": {
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||||
"type": "git",
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||||
"url": "https://github.com/dannyvankooten/AltoRouter.git",
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||||
"reference": "09d9d946c546bae6d22a7654cdb3b825ffda54b4"
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||||
},
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||||
"dist": {
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||||
"type": "zip",
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||||
"url": "https://api.github.com/repos/dannyvankooten/AltoRouter/zipball/09d9d946c546bae6d22a7654cdb3b825ffda54b4",
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||||
"reference": "09d9d946c546bae6d22a7654cdb3b825ffda54b4",
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"shasum": ""
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},
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"require": {
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"php": ">=5.3.0"
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},
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"type": "library",
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"autoload": {
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"classmap": [
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"AltoRouter.php"
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]
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"MIT"
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],
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"authors": [
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{
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"name": "Danny van Kooten",
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"email": "dannyvankooten@gmail.com",
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"homepage": "http://dannyvankooten.com/"
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},
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{
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"name": "Koen Punt",
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"homepage": "https://github.com/koenpunt"
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},
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{
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"name": "niahoo",
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"homepage": "https://github.com/niahoo"
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}
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],
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"description": "A lightning fast router for PHP",
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"homepage": "https://github.com/dannyvankooten/AltoRouter",
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"keywords": [
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"lightweight",
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"router",
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"routing"
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],
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"time": "2014-04-16 09:44:40"
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},
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{
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"name": "phpfastcache/phpfastcache",
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"version": "4.3.17",
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"source": {
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"type": "git",
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"url": "https://github.com/PHPSocialNetwork/phpfastcache.git",
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"reference": "348f765dbb426f5da1d009802ab496909e4ad691"
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},
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"dist": {
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||||
"type": "zip",
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||||
"url": "https://api.github.com/repos/PHPSocialNetwork/phpfastcache/zipball/348f765dbb426f5da1d009802ab496909e4ad691",
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"reference": "348f765dbb426f5da1d009802ab496909e4ad691",
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"shasum": ""
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},
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"require": {
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"php": ">=5.3.0"
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},
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"suggest": {
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"ext-apc": "*",
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"ext-mbstring": "*",
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"ext-memcache": "*",
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"ext-memcached": "*",
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"ext-predis": "*",
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"ext-redis": "*",
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"ext-sqlite": "*"
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},
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"type": "library",
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"autoload": {
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"files": [
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"src/phpFastCache/phpFastCache.php"
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]
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"MIT"
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],
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"authors": [
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{
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"name": "Khoa Bui",
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"email": "khoaofgod@gmail.com",
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"homepage": "http://www.phpfastcache.com",
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"role": "Developer"
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},
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{
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"name": "Georges.L",
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"email": "contact@geolim4.com",
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"homepage": "https://github.com/Geolim4",
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"role": "Developer"
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}
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],
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"description": "PHP Cache Class - Supported Redis, Cookie, Predis, APC, MemCached, WinCache, Files, PDO, Reduce mySQL Call by Caching",
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"homepage": "http://www.phpfastcache.com",
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"keywords": [
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"APC Cache",
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"apc",
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"cache",
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"cache class",
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"caching",
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"cookie",
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"files cache",
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"memcache",
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"memcached",
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"mysql cache",
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"pdo cache",
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"php cache",
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"predis",
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"redis",
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"wincache"
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],
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"time": "2016-05-17 22:29:47"
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},
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{
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"name": "seigler/neat-charts",
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"version": "dev-master",
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"source": {
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"type": "git",
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"url": "https://github.com/seigler/neat-charts.git",
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"reference": "352794cbfcd9d7e4d7d6973188cf35e69d21f723"
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},
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"dist": {
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||||
"type": "zip",
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||||
"url": "https://api.github.com/repos/seigler/neat-charts/zipball/352794cbfcd9d7e4d7d6973188cf35e69d21f723",
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"reference": "352794cbfcd9d7e4d7d6973188cf35e69d21f723",
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"shasum": ""
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},
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"require": {
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"php": ">=5.3.0"
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},
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"type": "library",
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"autoload": {
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"psr-0": {
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"NeatCharts\\LineChart": "src"
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}
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"MIT"
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],
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"authors": [
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{
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"name": "Joshua Seigler",
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"email": "joshua@seigler.net",
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"homepage": "https://joshua.seigler.net/",
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"role": "Developer"
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}
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],
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"description": "Generates clean-looking SVG charts",
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"homepage": "https://github.com/seigler/neat-charts",
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"keywords": [
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"chart",
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"charts",
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"svg"
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],
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"time": "2016-06-29 18:58:29"
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}
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],
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"packages-dev": [],
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"aliases": [],
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"minimum-stability": "stable",
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"stability-flags": {
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"seigler/neat-charts": 20
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},
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"prefer-stable": false,
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"prefer-lowest": false,
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"platform": [],
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"platform-dev": []
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}
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54
index.php
Normal file
54
index.php
Normal file
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<?php
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ini_set('display_errors', 1);
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error_reporting(E_ALL);
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require_once 'vendor/autoload.php';
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require_once 'vendor/seigler/neat-charts/src/NeatCharts/NeatChart.php';
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require_once 'vendor/seigler/neat-charts/src/NeatCharts/LineChart.php';
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use phpFastCache\CacheManager;
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CacheManager::setup([
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'storage' => 'files',
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'path' => sys_get_temp_dir().'/cryptohistory-cache/'
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]);
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$router = new AltoRouter();
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$router->map('GET', '/', function() {
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require __DIR__ . '/views/index.php';
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});
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// map cryptocurrency stuff
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$router->map( 'GET', '/charts/[BTC_DASH:pair]/[7d|24h:duration]/[svg|png:format]', function($pair, $duration, $format) {
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require __DIR__ . '/views/chart.php';
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renderChart(
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$pair,
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60 * 60 * 24 * ($duration == '7d' ? 7 : 1),
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($duration == '7d' ? 1800 : 300),
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$format,
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'#000',
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800,
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200,
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12
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);
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return true;
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});
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// match current request url
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$match = $router->match();
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// call closure or throw 404 status
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try {
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if( !$match || !is_callable( $match['target'] ) || false === call_user_func_array( $match['target'], $match['params'] )) {
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// no route was matched
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header( $_SERVER["SERVER_PROTOCOL"] . ' 404 Not Found');
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echo '<h1>404 Not Found</h1><p>Page not found</p>';
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}
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} catch (Exception $e) {
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header($_SERVER["SERVER_PROTOCOL"]." 500 Server Error", true, 500);
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echo 'There was some problem generating that for you.';
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return true;
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}
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?>
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89
views/chart.php
Normal file
89
views/chart.php
Normal file
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<?php
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use phpFastCache\CacheManager;
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function getJson($url) {
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if (empty($url)) {
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trigger_error('Missing or empty JSON url');
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}
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json'));
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
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curl_setopt($ch, CURLOPT_TIMEOUT, 30);
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// http://unitstep.net/blog/2009/05/05/using-curl-in-php-to-access-https-ssltls-protected-sites/
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// curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
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// curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
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// curl_setopt($ch, CURLOPT_CAINFO, getcwd() . "/VeriSignClass3PublicPrimaryCertificationAuthority-G5.pem");
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$result = curl_exec($ch);
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$result = json_decode($result) or trigger_error('Couldn\'t parse JSON');
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return $result;
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}
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function renderChart(
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$pair,
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$dataDuration = (7 * 24 * 60 * 60),
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$dataResolution = 1800,
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$format = 'svg',
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$color = '#000',
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$width = 800,
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$height = 200,
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$fontSize = 12
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) {
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$result = CacheManager::get('poloniex-'.$pair.'-'.$dataDuration.'-'.$format);
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if (is_null($result)) {
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$startTime = time() - $dataDuration;
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$poloniexUrl = 'https://poloniex.com/public?command=returnChartData¤cyPair=' . $pair . '&start=' . $startTime . '&end=9999999999&period=' . $dataResolution;
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$poloniexJson = CacheManager::get('poloniex-json-'.$pair.'-'.$dataDuration);
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if(is_null($poloniexJson)) {
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$poloniexJson = getJson($poloniexUrl);
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// Write to cache for next time
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CacheManager::set('poloniex-json-'.$pair.'-'.$dataDuration, $poloniexJson, $dataDuration);
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}
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$chartData = [];
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foreach ($poloniexJson as $item) {
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$chartData[$item->date] = $item->weightedAverage;
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}
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$poloniexChart = new NeatCharts\LineChart($chartData, [
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'width'=>800,
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'height'=>200,
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'lineColor'=>"#1C75BC", // Dash blue
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'labelColor'=>"#000",
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'smoothed'=>false,
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'fontSize'=>12
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]);
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$result = $poloniexChart->render();
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if ($format == 'png') {
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$im = new Imagick();
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$im->setBackgroundColor(new ImagickPixel("transparent"));
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$im->readImageBlob($result);
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$im->setImageFormat("png32");
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$result = $im->getImageBlob();
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$im->clear();
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$im->destroy();
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}
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CacheManager::set('poloniex-'.$pair.'-'.$dataDuration.'-'.$format, $result, $dataDuration);
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$resultExpires = time() + $dataDuration;
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} else {
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$resultExpires = CacheManager::getInfo('poloniex-'.$pair.'-'.$dataDuration.'-'.$format)[ 'expired_time' ];
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$startTime = $resultExpires - $dataDuration;
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}
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header('Expires: '.gmdate("D, d M Y H:i:s", $resultExpires));
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if ($format == 'svg') {
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header('Content-type: image/svg+xml; charset=utf-8');
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header('Content-Disposition: inline; filename="Dash-chart-' . gmdate('Y-m-d\THis+0', $startTime) . '--' . gmdate('Y-m-d\THis+0') . '.svg"');
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||||
} else if ($format == 'png') {
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header("Content-Type: image/png");
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header('Content-Disposition: inline; filename="Dash-chart-' . gmdate('Y-m-d\THis+0', $startTime) . '--' . gmdate('Y-m-d\THis+0') . '.png"');
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}
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echo $result;
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}
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23
views/fakeStockData.php
Normal file
23
views/fakeStockData.php
Normal file
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@ -0,0 +1,23 @@
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<?php
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$chartData = [];
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||||
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$offset = 100 * (rand()/getRandMax())**4;
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$scale = 100 * (rand()/getRandMax())**2;
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||||
$volatility = 0.5 * (rand()/getRandMax())**3;
|
||||
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||||
for ($n = 0, $current = $offset + 0.5 * $scale; $n < 96; $n++) {
|
||||
$current -= $offset;
|
||||
$current *= 1 + $volatility * (rand()/getRandMax() - 0.5);
|
||||
$current += $offset;
|
||||
$chartData[$n] = $current;
|
||||
}
|
||||
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||||
$stockChart = new NeatCharts\LineChart($chartData, [
|
||||
"width"=>500,
|
||||
"height"=>150,
|
||||
"fontSize"=>10
|
||||
]);
|
||||
print $stockChart->render();
|
||||
|
||||
?>
|
||||
24
views/fakeTempData.php
Normal file
24
views/fakeTempData.php
Normal file
|
|
@ -0,0 +1,24 @@
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|||
<?php
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||||
$chartData = [];
|
||||
|
||||
$start = 100 * (rand()/getRandMax())**3;
|
||||
$volatility = rand()/getRandMax() + 0.01;
|
||||
$velocity = (rand()/getRandMax() - 0.5);
|
||||
$acceleration = 0.1 * (rand()/getRandMax())**2;
|
||||
|
||||
for ($n = 0, $current = $start; $n < 12; $n++) {
|
||||
$velocity *= 0.5;
|
||||
$velocity += $acceleration * 2 * (rand()/getRandMax() - 0.5);
|
||||
$current += $velocity;
|
||||
$chartData[$n] = $current;
|
||||
}
|
||||
|
||||
$tempChart = new NeatCharts\LineChart($chartData, [
|
||||
"width"=>700,
|
||||
"height"=>400,
|
||||
"lineColor"=>"#D00",
|
||||
"labelColor"=>"#777",
|
||||
"smoothed"=>true
|
||||
]);
|
||||
print $tempChart->render();
|
||||
?>
|
||||
43
views/index.php
Normal file
43
views/index.php
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="en-US">
|
||||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0">
|
||||
<title>NeatCharts demo</title>
|
||||
<style>
|
||||
main {
|
||||
-webkit-columns: 800px 2;
|
||||
-moz-columns: 800px 2;
|
||||
columns: 800px 2;
|
||||
}
|
||||
section {
|
||||
display: inline-block;
|
||||
width: auto;
|
||||
max-width: 800px;
|
||||
padding: 10px;
|
||||
vertical-align: top;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<header>
|
||||
<h1>NeatCharts demo</h1>
|
||||
</header>
|
||||
<main>
|
||||
<section>
|
||||
<h2>Poloniex Dash/BTC Price</h2>
|
||||
<img src="/charts/dash/24h" alt="Poloniex Dash/BTC price">
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<h2>Fake Stock Market Data</h2>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<h2>Monotonically Smoothed Chart</h2>
|
||||
</section>
|
||||
</main>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Loading…
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