Total Complexity | 85 |
Total Lines | 753 |
Duplicated Lines | 0 % |
Changes | 31 | ||
Bugs | 1 | Features | 3 |
Complex classes like Connection often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Connection, and based on these observations, apply Extract Interface, too.
1 | <?php |
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16 | class Connection |
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17 | { |
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18 | /** |
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19 | * @var string |
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20 | */ |
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21 | private $baseUrl = 'https://start.exactonline.nl'; |
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22 | |||
23 | /** |
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24 | * @var string |
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25 | */ |
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26 | private $apiUrl = '/api/v1'; |
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27 | |||
28 | /** |
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29 | * @var string |
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30 | */ |
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31 | private $authUrl = '/api/oauth2/auth'; |
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32 | |||
33 | /** |
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34 | * @var string |
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35 | */ |
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36 | private $tokenUrl = '/api/oauth2/token'; |
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37 | |||
38 | /** |
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39 | * @var mixed |
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40 | */ |
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41 | private $exactClientId; |
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42 | |||
43 | /** |
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44 | * @var mixed |
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45 | */ |
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46 | private $exactClientSecret; |
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47 | |||
48 | /** |
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49 | * @var mixed |
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50 | */ |
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51 | private $authorizationCode; |
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52 | |||
53 | /** |
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54 | * @var mixed |
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55 | */ |
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56 | private $accessToken; |
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57 | |||
58 | /** |
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59 | * @var int the Unix timestamp at which the access token expires |
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60 | */ |
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61 | private $tokenExpires; |
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62 | |||
63 | /** |
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64 | * @var mixed |
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65 | */ |
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66 | private $refreshToken; |
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67 | |||
68 | /** |
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69 | * @var mixed |
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70 | */ |
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71 | private $redirectUrl; |
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72 | |||
73 | /** |
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74 | * @var mixed |
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75 | */ |
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76 | private $division; |
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77 | |||
78 | /** |
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79 | * @var Client|null |
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80 | */ |
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81 | private $client; |
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82 | |||
83 | /** |
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84 | * @var callable(Connection) |
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85 | */ |
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86 | private $tokenUpdateCallback; |
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87 | |||
88 | /** |
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89 | * @var callable(Connection) |
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90 | */ |
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91 | private $acquireAccessTokenLockCallback; |
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92 | |||
93 | /** |
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94 | * @var callable(Connection) |
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95 | */ |
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96 | private $acquireAccessTokenUnlockCallback; |
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97 | |||
98 | /** |
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99 | * @var callable[] |
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100 | */ |
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101 | protected $middleWares = []; |
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102 | |||
103 | /** |
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104 | * @var string|null |
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105 | */ |
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106 | public $nextUrl = null; |
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107 | |||
108 | /** |
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109 | * @var int|null |
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110 | */ |
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111 | protected $dailyLimit; |
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112 | |||
113 | /** |
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114 | * @var int|null |
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115 | */ |
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116 | protected $dailyLimitRemaining; |
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117 | |||
118 | /** |
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119 | * @var int|null |
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120 | */ |
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121 | protected $dailyLimitReset; |
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122 | |||
123 | /** |
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124 | * @var int|null |
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125 | */ |
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126 | protected $minutelyLimit; |
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127 | |||
128 | /** |
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129 | * @var int|null |
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130 | */ |
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131 | protected $minutelyLimitRemaining; |
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132 | |||
133 | /** |
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134 | * @return Client |
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135 | */ |
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136 | private function client() |
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137 | { |
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138 | if ($this->client) { |
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139 | return $this->client; |
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140 | } |
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141 | |||
142 | $handlerStack = HandlerStack::create(); |
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143 | foreach ($this->middleWares as $middleWare) { |
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144 | $handlerStack->push($middleWare); |
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145 | } |
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146 | |||
147 | $this->client = new Client([ |
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148 | 'http_errors' => true, |
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149 | 'handler' => $handlerStack, |
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150 | 'expect' => false, |
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151 | ]); |
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152 | |||
153 | return $this->client; |
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154 | } |
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155 | |||
156 | public function insertMiddleWare($middleWare) |
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159 | } |
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160 | |||
161 | public function connect() |
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162 | { |
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163 | // Redirect for authorization if needed (no access token or refresh token given) |
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164 | if ($this->needsAuthentication()) { |
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165 | $this->redirectForAuthorization(); |
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166 | } |
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167 | |||
168 | // If access token is not set or token has expired, acquire new token |
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169 | if (empty($this->accessToken) || $this->tokenHasExpired()) { |
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170 | $this->acquireAccessToken(); |
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171 | } |
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172 | |||
173 | $client = $this->client(); |
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174 | |||
175 | return $client; |
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176 | } |
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177 | |||
178 | /** |
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179 | * @param string $method |
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180 | * @param string $endpoint |
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181 | * @param mixed $body |
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182 | * @param array $params |
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183 | * @param array $headers |
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184 | * |
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185 | * @return Request |
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186 | */ |
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187 | private function createRequest($method, $endpoint, $body = null, array $params = [], array $headers = []) |
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188 | { |
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189 | // Add default json headers to the request |
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190 | $headers = array_merge($headers, [ |
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191 | 'Accept' => 'application/json', |
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192 | 'Content-Type' => 'application/json', |
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193 | 'Prefer' => 'return=representation', |
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194 | ]); |
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195 | |||
196 | // If access token is not set or token has expired, acquire new token |
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197 | if (empty($this->accessToken) || $this->tokenHasExpired()) { |
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198 | $this->acquireAccessToken(); |
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199 | } |
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200 | |||
201 | // If we have a token, sign the request |
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202 | if (! $this->needsAuthentication() && ! empty($this->accessToken)) { |
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203 | $headers['Authorization'] = 'Bearer ' . $this->accessToken; |
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204 | } |
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205 | |||
206 | // Create param string |
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207 | if (! empty($params)) { |
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208 | $endpoint .= '?' . http_build_query($params); |
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209 | } |
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210 | |||
211 | // Create the request |
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212 | $request = new Request($method, $endpoint, $headers, $body); |
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213 | |||
214 | return $request; |
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215 | } |
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216 | |||
217 | /** |
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218 | * @param string $url |
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219 | * @param array $params |
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220 | * @param array $headers |
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221 | * |
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222 | * @throws ApiException |
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223 | * |
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224 | * @return mixed |
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225 | */ |
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226 | public function get($url, array $params = [], array $headers = []) |
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227 | { |
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228 | $url = $this->formatUrl($url, $url !== 'current/Me', $url == $this->nextUrl); |
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229 | |||
230 | try { |
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231 | $request = $this->createRequest('GET', $url, null, $params, $headers); |
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232 | $response = $this->client()->send($request); |
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233 | |||
234 | return $this->parseResponse($response, $url != $this->nextUrl); |
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235 | } catch (Exception $e) { |
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236 | $this->parseExceptionForErrorMessages($e); |
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237 | } |
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238 | } |
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239 | |||
240 | /** |
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241 | * @param string $url |
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242 | * @param mixed $body |
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243 | * |
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244 | * @throws ApiException |
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245 | * |
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246 | * @return mixed |
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247 | */ |
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248 | public function post($url, $body) |
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249 | { |
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250 | $url = $this->formatUrl($url); |
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251 | |||
252 | try { |
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253 | $request = $this->createRequest('POST', $url, $body); |
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254 | $response = $this->client()->send($request); |
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255 | |||
256 | return $this->parseResponse($response); |
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257 | } catch (Exception $e) { |
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258 | $this->parseExceptionForErrorMessages($e); |
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259 | } |
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260 | } |
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261 | |||
262 | /** |
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263 | * @param string $url |
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264 | * @param mixed $body |
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265 | * |
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266 | * @throws ApiException |
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267 | * |
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268 | * @return mixed |
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269 | */ |
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270 | public function put($url, $body) |
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271 | { |
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272 | $url = $this->formatUrl($url); |
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273 | |||
274 | try { |
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275 | $request = $this->createRequest('PUT', $url, $body); |
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276 | $response = $this->client()->send($request); |
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277 | |||
278 | return $this->parseResponse($response); |
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279 | } catch (Exception $e) { |
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280 | $this->parseExceptionForErrorMessages($e); |
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281 | } |
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282 | } |
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283 | |||
284 | /** |
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285 | * @param string $url |
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286 | * |
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287 | * @throws ApiException |
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288 | * |
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289 | * @return mixed |
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290 | */ |
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291 | public function delete($url) |
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292 | { |
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293 | $url = $this->formatUrl($url); |
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294 | |||
295 | try { |
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296 | $request = $this->createRequest('DELETE', $url); |
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297 | $response = $this->client()->send($request); |
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298 | |||
299 | return $this->parseResponse($response); |
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300 | } catch (Exception $e) { |
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301 | $this->parseExceptionForErrorMessages($e); |
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302 | } |
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303 | } |
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304 | |||
305 | /** |
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306 | * @return string |
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307 | */ |
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308 | public function getAuthUrl() |
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314 | ]); |
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315 | } |
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316 | |||
317 | /** |
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318 | * @param mixed $exactClientId |
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319 | */ |
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320 | public function setExactClientId($exactClientId) |
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321 | { |
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322 | $this->exactClientId = $exactClientId; |
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323 | } |
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324 | |||
325 | /** |
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326 | * @param mixed $exactClientSecret |
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327 | */ |
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328 | public function setExactClientSecret($exactClientSecret) |
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331 | } |
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332 | |||
333 | /** |
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334 | * @param mixed $authorizationCode |
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335 | */ |
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336 | public function setAuthorizationCode($authorizationCode) |
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337 | { |
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338 | $this->authorizationCode = $authorizationCode; |
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339 | } |
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340 | |||
341 | /** |
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342 | * @param mixed $accessToken |
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343 | */ |
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344 | public function setAccessToken($accessToken) |
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345 | { |
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346 | $this->accessToken = $accessToken; |
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347 | } |
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348 | |||
349 | /** |
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350 | * @param mixed $refreshToken |
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351 | */ |
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352 | public function setRefreshToken($refreshToken) |
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353 | { |
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354 | $this->refreshToken = $refreshToken; |
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355 | } |
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356 | |||
357 | public function redirectForAuthorization() |
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362 | } |
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363 | |||
364 | /** |
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365 | * @param mixed $redirectUrl |
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366 | */ |
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367 | public function setRedirectUrl($redirectUrl) |
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368 | { |
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369 | $this->redirectUrl = $redirectUrl; |
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370 | } |
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371 | |||
372 | /** |
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373 | * @return bool |
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374 | */ |
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375 | public function needsAuthentication() |
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378 | } |
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379 | |||
380 | /** |
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381 | * @param mixed $data |
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382 | * |
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383 | * @return mixed |
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384 | */ |
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385 | private function parseJsonDates($data) |
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386 | { |
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387 | array_walk_recursive($data, function (&$item, $key) { |
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388 | $matches = null; |
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389 | if (preg_match('/\/Date\((\d+)\)\//', $item, $matches)) { |
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390 | $microtime = ((int) $matches[1]) / 1000; |
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391 | if ($microtime == ((int) $microtime)) { |
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392 | $microtime = "$microtime.000"; |
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393 | } else { |
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394 | $microtime = "$microtime"; |
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395 | } |
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396 | $date = \DateTime::createFromFormat('U.u', $microtime); |
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397 | $date->setTimezone(new \DateTimeZone('UTC')); |
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398 | $item = $date->format('Y-m-d\TH:i:s.u'); |
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399 | } |
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400 | }); |
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401 | |||
402 | return $data; |
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403 | } |
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404 | |||
405 | /** |
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406 | * @param Response $response |
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407 | * @param bool $returnSingleIfPossible |
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408 | * |
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409 | * @throws ApiException |
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410 | * |
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411 | * @return mixed |
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412 | */ |
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413 | private function parseResponse(Response $response, $returnSingleIfPossible = true) |
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414 | { |
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415 | try { |
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416 | if ($response->getStatusCode() === 204) { |
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417 | return []; |
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418 | } |
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419 | |||
420 | $this->extractRateLimits($response); |
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421 | |||
422 | Psr7\rewind_body($response); |
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423 | $json = $this->parseJsonDates(json_decode($response->getBody()->getContents(), true)); |
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424 | if (array_key_exists('d', $json)) { |
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425 | if (array_key_exists('__next', $json['d'])) { |
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426 | $this->nextUrl = $json['d']['__next']; |
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427 | } else { |
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428 | $this->nextUrl = null; |
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429 | } |
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430 | |||
431 | if (array_key_exists('results', $json['d'])) { |
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432 | if ($returnSingleIfPossible && count($json['d']['results']) == 1) { |
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433 | return $json['d']['results'][0]; |
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434 | } |
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435 | |||
436 | return $json['d']['results']; |
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437 | } |
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438 | |||
439 | return $json['d']; |
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440 | } |
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441 | |||
442 | return $json; |
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443 | } catch (\RuntimeException $e) { |
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444 | throw new ApiException($e->getMessage()); |
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445 | } |
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446 | } |
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447 | |||
448 | /** |
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449 | * @return mixed |
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450 | */ |
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451 | private function getCurrentDivisionNumber() |
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452 | { |
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453 | if (empty($this->division)) { |
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454 | $me = new Me($this); |
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455 | $this->division = $me->find()->CurrentDivision; |
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456 | } |
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457 | |||
458 | return $this->division; |
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459 | } |
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460 | |||
461 | /** |
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462 | * @return mixed |
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463 | */ |
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464 | public function getRefreshToken() |
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465 | { |
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466 | return $this->refreshToken; |
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467 | } |
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468 | |||
469 | /** |
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470 | * @return mixed |
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471 | */ |
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472 | public function getAccessToken() |
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473 | { |
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474 | return $this->accessToken; |
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475 | } |
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476 | |||
477 | private function acquireAccessToken() |
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478 | { |
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479 | // If refresh token not yet acquired, do token request |
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480 | if (empty($this->refreshToken)) { |
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481 | $body = [ |
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482 | 'form_params' => [ |
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483 | 'redirect_uri' => $this->redirectUrl, |
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484 | 'grant_type' => 'authorization_code', |
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485 | 'client_id' => $this->exactClientId, |
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486 | 'client_secret' => $this->exactClientSecret, |
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487 | 'code' => $this->authorizationCode, |
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488 | ], |
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489 | ]; |
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490 | } else { // else do refresh token request |
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491 | $body = [ |
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492 | 'form_params' => [ |
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493 | 'refresh_token' => $this->refreshToken, |
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494 | 'grant_type' => 'refresh_token', |
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495 | 'client_id' => $this->exactClientId, |
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496 | 'client_secret' => $this->exactClientSecret, |
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497 | ], |
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498 | ]; |
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499 | } |
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500 | |||
501 | try { |
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502 | if (is_callable($this->acquireAccessTokenLockCallback)) { |
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503 | call_user_func($this->acquireAccessTokenLockCallback, $this); |
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504 | } |
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505 | |||
506 | $response = $this->client()->post($this->getTokenUrl(), $body); |
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507 | |||
508 | Psr7\rewind_body($response); |
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509 | $body = json_decode($response->getBody()->getContents(), true); |
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510 | |||
511 | if (json_last_error() === JSON_ERROR_NONE) { |
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512 | $this->accessToken = $body['access_token']; |
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513 | $this->refreshToken = $body['refresh_token']; |
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514 | $this->tokenExpires = $this->getTimestampFromExpiresIn($body['expires_in']); |
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515 | |||
516 | if (is_callable($this->tokenUpdateCallback)) { |
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517 | call_user_func($this->tokenUpdateCallback, $this); |
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518 | } |
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519 | } else { |
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520 | throw new ApiException('Could not acquire tokens, json decode failed. Got response: ' . $response->getBody()->getContents()); |
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521 | } |
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522 | } catch (BadResponseException $ex) { |
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523 | throw new ApiException('Could not acquire or refresh tokens [http ' . $ex->getResponse()->getStatusCode() . ']', 0, $ex); |
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524 | } finally { |
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525 | if (is_callable($this->acquireAccessTokenUnlockCallback)) { |
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526 | call_user_func($this->acquireAccessTokenUnlockCallback, $this); |
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527 | } |
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528 | } |
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529 | } |
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530 | |||
531 | /** |
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532 | * Translates expires_in to a Unix timestamp. |
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533 | * |
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534 | * @param string $expiresIn number of seconds until the token expires |
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535 | * |
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536 | * @return int |
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537 | */ |
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538 | private function getTimestampFromExpiresIn($expiresIn) |
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539 | { |
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540 | if (! ctype_digit($expiresIn)) { |
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541 | throw new \InvalidArgumentException('Function requires a numeric expires value'); |
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542 | } |
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543 | |||
544 | return time() + $expiresIn; |
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545 | } |
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546 | |||
547 | /** |
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548 | * @return int the Unix timestamp at which the access token expires |
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549 | */ |
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550 | public function getTokenExpires() |
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551 | { |
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552 | return $this->tokenExpires; |
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553 | } |
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554 | |||
555 | /** |
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556 | * @param int $tokenExpires the Unix timestamp at which the access token expires |
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557 | */ |
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558 | public function setTokenExpires($tokenExpires) |
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559 | { |
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560 | $this->tokenExpires = $tokenExpires; |
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561 | } |
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562 | |||
563 | private function tokenHasExpired() |
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564 | { |
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565 | if (empty($this->tokenExpires)) { |
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566 | return true; |
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567 | } |
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568 | |||
569 | return $this->tokenExpires <= time() + 10; |
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570 | } |
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571 | |||
572 | private function formatUrl($endPoint, $includeDivision = true, $formatNextUrl = false) |
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573 | { |
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574 | if ($formatNextUrl) { |
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575 | return $endPoint; |
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576 | } |
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577 | |||
578 | if ($includeDivision) { |
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579 | return implode('/', [ |
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580 | $this->getApiUrl(), |
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581 | $this->getCurrentDivisionNumber(), |
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582 | $endPoint, |
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583 | ]); |
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584 | } |
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585 | |||
586 | return implode('/', [ |
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587 | $this->getApiUrl(), |
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588 | $endPoint, |
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589 | ]); |
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590 | } |
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591 | |||
592 | /** |
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593 | * @return mixed |
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594 | */ |
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595 | public function getDivision() |
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596 | { |
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597 | return $this->division; |
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598 | } |
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599 | |||
600 | /** |
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601 | * @param mixed $division |
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602 | */ |
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603 | public function setDivision($division) |
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604 | { |
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605 | $this->division = $division; |
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606 | } |
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607 | |||
608 | /** |
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609 | * @param callable $callback |
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610 | */ |
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611 | public function setAcquireAccessTokenLockCallback($callback) |
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612 | { |
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613 | $this->acquireAccessTokenLockCallback = $callback; |
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614 | } |
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615 | |||
616 | /** |
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617 | * @param callable $callback |
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618 | */ |
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619 | public function setAcquireAccessTokenUnlockCallback($callback) |
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620 | { |
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621 | $this->acquireAccessTokenUnlockCallback = $callback; |
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622 | } |
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623 | |||
624 | /** |
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625 | * @param callable $callback |
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626 | */ |
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627 | public function setTokenUpdateCallback($callback) |
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628 | { |
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629 | $this->tokenUpdateCallback = $callback; |
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630 | } |
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631 | |||
632 | /** |
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633 | * Parse the reponse in the Exception to return the Exact error messages. |
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634 | * |
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635 | * @param Exception $e |
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636 | * |
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637 | * @throws ApiException |
||
638 | */ |
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639 | private function parseExceptionForErrorMessages(Exception $e) |
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640 | { |
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641 | if (! $e instanceof BadResponseException) { |
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642 | throw new ApiException($e->getMessage()); |
||
643 | } |
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644 | |||
645 | $response = $e->getResponse(); |
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646 | |||
647 | $this->extractRateLimits($response); |
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648 | |||
649 | Psr7\rewind_body($response); |
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650 | $responseBody = $response->getBody()->getContents(); |
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651 | $decodedResponseBody = json_decode($responseBody, true); |
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652 | |||
653 | if (! is_null($decodedResponseBody) && isset($decodedResponseBody['error']['message']['value'])) { |
||
654 | $errorMessage = $decodedResponseBody['error']['message']['value']; |
||
655 | } else { |
||
656 | $errorMessage = $responseBody; |
||
657 | } |
||
658 | |||
659 | throw new ApiException('Error ' . $response->getStatusCode() . ': ' . $errorMessage, $response->getStatusCode()); |
||
660 | } |
||
661 | |||
662 | /** |
||
663 | * @return int|null The maximum number of API calls that your app is permitted to make per company, per day |
||
664 | */ |
||
665 | public function getDailyLimit() |
||
666 | { |
||
667 | return $this->dailyLimit; |
||
668 | } |
||
669 | |||
670 | /** |
||
671 | * @return int|null The remaining number of API calls that your app is permitted to make for a company, per day |
||
672 | */ |
||
673 | public function getDailyLimitRemaining() |
||
674 | { |
||
675 | return $this->dailyLimitRemaining; |
||
676 | } |
||
677 | |||
678 | /** |
||
679 | * @return int|null The time at which the rate limit window resets in UTC epoch milliseconds |
||
680 | */ |
||
681 | public function getDailyLimitReset() |
||
682 | { |
||
683 | return $this->dailyLimitReset; |
||
684 | } |
||
685 | |||
686 | /** |
||
687 | * @return int|null The maximum number of API calls that your app is permitted to make per company, per minute |
||
688 | */ |
||
689 | public function getMinutelyLimit() |
||
690 | { |
||
691 | return $this->minutelyLimit; |
||
692 | } |
||
693 | |||
694 | /** |
||
695 | * @return int|null The remaining number of API calls that your app is permitted to make for a company, per minute |
||
696 | */ |
||
697 | public function getMinutelyLimitRemaining() |
||
698 | { |
||
699 | return $this->minutelyLimitRemaining; |
||
700 | } |
||
701 | |||
702 | /** |
||
703 | * @return string |
||
704 | */ |
||
705 | protected function getBaseUrl() |
||
706 | { |
||
707 | return $this->baseUrl; |
||
708 | } |
||
709 | |||
710 | /** |
||
711 | * @return string |
||
712 | */ |
||
713 | private function getApiUrl() |
||
714 | { |
||
715 | return $this->baseUrl . $this->apiUrl; |
||
716 | } |
||
717 | |||
718 | /** |
||
719 | * @return string |
||
720 | */ |
||
721 | private function getTokenUrl() |
||
722 | { |
||
723 | return $this->baseUrl . $this->tokenUrl; |
||
724 | } |
||
725 | |||
726 | /** |
||
727 | * Set base URL for different countries according to |
||
728 | * https://developers.exactonline.com/#Exact%20Online%20sites.html. |
||
729 | * |
||
730 | * @param string $baseUrl |
||
731 | */ |
||
732 | public function setBaseUrl($baseUrl) |
||
735 | } |
||
736 | |||
737 | /** |
||
738 | * @param string $apiUrl |
||
739 | */ |
||
740 | public function setApiUrl($apiUrl) |
||
741 | { |
||
742 | $this->apiUrl = $apiUrl; |
||
743 | } |
||
744 | |||
745 | /** |
||
746 | * @param string $authUrl |
||
747 | */ |
||
748 | public function setAuthUrl($authUrl) |
||
749 | { |
||
750 | $this->authUrl = $authUrl; |
||
751 | } |
||
752 | |||
753 | /** |
||
754 | * @param string $tokenUrl |
||
755 | */ |
||
756 | public function setTokenUrl($tokenUrl) |
||
757 | { |
||
758 | $this->tokenUrl = $tokenUrl; |
||
759 | } |
||
760 | |||
761 | private function extractRateLimits(Response $response) |
||
769 | } |
||
770 | } |
||
771 |