Total Complexity | 43 |
Total Lines | 354 |
Duplicated Lines | 0 % |
Changes | 15 | ||
Bugs | 0 | Features | 0 |
Complex classes like GMail 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 GMail, and based on these observations, apply Extract Interface, too.
1 | <?php |
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5 | class GMail { |
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6 | |||
7 | const AUTH_URL = 'https://accounts.google.com/o/oauth2/auth'; |
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8 | const TOKEN_URL = 'https://www.googleapis.com/oauth2/v4/token'; |
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9 | const API = 'https://www.googleapis.com/gmail/v1/users/'; |
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10 | const HTTP_CODE = 'http_code'; |
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11 | const PACKAGE = 'francis94c/ci-gmail'; |
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12 | private $clientId; |
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13 | private $clientSecret; |
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14 | private $redirectUri = 'urn:ietf:wg:oauth:2.0:oob'; |
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15 | private $token; |
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16 | private $userAgent = 'CodeIgniter GMail API'; |
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17 | private $lastResponse; |
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18 | private $lastResponseCode; |
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19 | |||
20 | function __construct($params=null) |
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21 | { |
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22 | get_instance()->load->splint('francis94c/ci-gmail', '%curl'); |
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23 | get_instance()->load->splint('francis94c/ci-gmail', '%base64'); |
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24 | |||
25 | if ($params != null) $this->init($params); |
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26 | |||
27 | spl_autoload_register(function($name) { |
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28 | if (file_exists(APPPATH.'splints/'.self::PACKAGE."/libraries/$name.php")) { |
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29 | require(APPPATH.'splints/'.self::PACKAGE."/libraries/$name.php"); |
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30 | } |
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31 | }); |
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32 | } |
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33 | |||
34 | /** |
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35 | * [init Initialize library with cofigs. Can be called multiple times to set |
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36 | * config items] |
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37 | * @param array $config Associative Config Array. |
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38 | */ |
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39 | public function init(array $config):void { |
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40 | $this->clientId = $config['client_id'] ?? $this->clientId; |
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41 | $this->clientSecret = $config['client_secret'] ?? $this->clientSecret; |
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42 | $this->redirectUri = $config['redirect_uri'] ?? $this->redirectUri; |
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43 | } |
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44 | /** |
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45 | * [setAccessToken description] |
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46 | * @param string $token [description] |
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47 | */ |
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48 | public function setAccessToken(string $token):void { |
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49 | $this->token = $token; |
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50 | } |
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51 | /** |
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52 | * [getClientId Get Client ID.] |
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53 | * @return null|string Client ID. |
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54 | */ |
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55 | public function getClientId():?string { |
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56 | return $this->clientId; |
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57 | } |
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58 | /** |
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59 | * [getAuthorizeUrl Gets/composes the authorize url to direct users to so they |
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60 | * can give your application access to their GMail accounts |
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61 | * based on the given scopes.] |
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62 | * @param string $scope Access Scope. |
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63 | * @param string $redirectUri URL to redirect to after access is granted. |
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64 | * @param string $responseType Response type. 'code' by default. |
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65 | * @param bool $prompt Add the prompt=consent query to the URL. |
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66 | * @return string Authorize URL |
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67 | */ |
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68 | public function getAuthorizeUrl(string $scope, string $redirectUri=null, |
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69 | string $responseType='code', string $accessType='offline', bool $prompt=false):string |
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70 | { |
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71 | $redirectUri = $redirectUri ?? $this->redirectUri; |
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72 | if ($scope == null) throw new Exception("GMail scope cannot be null"); |
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73 | $params = [ |
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74 | 'client_id' => $this->clientId, |
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75 | 'redirect_uri' => $redirectUri, |
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76 | 'scope' => $scope, |
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77 | 'response_type' => $responseType, |
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78 | 'access_type' => $accessType |
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79 | ]; |
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80 | if ($prompt) $params['prompt'] = 'consent'; |
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81 | return self::AUTH_URL . build_url_query($params, false); |
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82 | } |
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83 | /** |
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84 | * [getToken description] |
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85 | * @param string $code [description] |
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86 | * @return [type] [description] |
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87 | */ |
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88 | public function getToken(string $code, string $redirectUri=null):?object |
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89 | { |
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90 | $redirectUri = $redirectUri ?? $this->redirectUri; |
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91 | $ch = curl_init(self::TOKEN_URL); |
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92 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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93 | curl_setopt($ch, CURLINFO_HEADER_OUT, true); |
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94 | if (ENVIRONMENT == 'development') { |
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95 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
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96 | } |
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97 | $body = http_build_query([ |
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98 | 'code' => $code, |
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99 | 'client_id' => $this->clientId, |
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100 | 'client_secret' => $this->clientSecret, |
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101 | 'redirect_uri' => $this->redirectUri, |
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102 | 'grant_type' => 'authorization_code' |
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103 | ]); |
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104 | $header = [ |
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105 | 'Content-Type: application/x-www-form-urlencoded', |
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106 | 'Content-Length: ' . strlen($body) |
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107 | ]; |
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108 | curl_setopt($ch, CURLOPT_HTTPHEADER, $header); |
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109 | curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent); |
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110 | // Request Method and Body. |
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111 | curl_setopt($ch, CURLOPT_POST, true); |
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112 | curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
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113 | $response = curl_exec($ch); |
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114 | $code = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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115 | curl_close($ch); |
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116 | $this->lastResponse = $response; |
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117 | $this->lastResponseCode = $code; |
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118 | if ($response !== false) return $this->process_response($code, $response); |
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119 | return null; |
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120 | } |
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121 | /** |
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122 | * [refreshAccessToken description] |
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123 | * @param string $refreshToken [description] |
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124 | * @return [type] [description] |
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125 | */ |
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126 | public function refreshAccessToken(string $refreshToken):?object |
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127 | { |
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128 | $ch = curl_init(self::TOKEN_URL); |
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129 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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130 | curl_setopt($ch, CURLINFO_HEADER_OUT, true); |
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131 | if (ENVIRONMENT == 'development') { |
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132 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
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133 | } |
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134 | $body = http_build_query([ |
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135 | 'refresh_token' => $refreshToken, |
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136 | 'client_id' => $this->clientId, |
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137 | 'client_secret' => $this->clientSecret, |
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138 | 'grant_type' => 'refresh_token' |
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139 | ]); |
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140 | $header = [ |
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141 | 'Content-Type: application/x-www-form-urlencoded', |
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142 | 'Content-Length: ' . strlen($body) |
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143 | ]; |
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144 | curl_setopt($ch, CURLOPT_HTTPHEADER, $header); |
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145 | curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent); |
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146 | // Request Method and Body. |
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147 | curl_setopt($ch, CURLOPT_POST, true); |
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148 | curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
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149 | // Exec. |
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150 | $response = curl_exec($ch); |
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151 | $code = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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152 | curl_close($ch); |
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153 | $this->lastResponse = $response; |
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154 | $this->lastResponseCode = $code; |
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155 | if ($response !== false) return $this->process_response($code, $response); |
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156 | return null; |
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157 | } |
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158 | /** |
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159 | * [getProfile Get user's profile |
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160 | * see https://developers.google.com/gmail/api/v1/reference/users/getProfile] |
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161 | * @param string $user [description] |
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162 | * @return [type] [description] |
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163 | */ |
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164 | public function getProfile(string $user='me'):?object |
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165 | { |
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166 | list($code, $response) = (new GMailCURL(GMailCURL::GET))( |
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167 | self::API . "$user/profile", |
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168 | ["Authorization: Bearer $this->token"] |
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169 | ); |
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170 | $this->lastResponse = $response; |
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171 | $this->lastResponseCode = $code; |
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172 | if ($response !== false) return $this->process_response($code, $response); |
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173 | return null; |
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174 | } |
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175 | |||
176 | /** |
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177 | * [watch Causes push notifications to be sent on events which occur in the |
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178 | * user's mailbox. Requires Google Cloud PubSub. |
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179 | * see https://developers.google.com/gmail/api/v1/reference/users/watch] |
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180 | * @param string $topic Topic to push events to. |
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181 | * @param mixed $labelIds Narrow down labels in the mailbox, whose |
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182 | * mailbox event, are being listened to. |
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183 | * events are to be listened to. |
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184 | * @param string $userId The ID/Email address of the user. |
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185 | * @param string $labelFilterAction [description] |
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186 | * @return [type] [description] |
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187 | */ |
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188 | public function watch(string $topic, $labelIds=null, string $userId='me', |
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213 | } |
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214 | |||
215 | /** |
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216 | * [endWatch stop watch operations on given email ID] |
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217 | * @date 2019-11-20 |
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218 | * @param string $userId ID or Email Address of the user. |
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219 | * @return bool [description] |
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220 | */ |
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221 | public function endWatch(string $userId='me'):bool |
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222 | { |
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223 | list($code, $response) = (new GMailCURL(GMailCURL::POST))( |
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224 | self::API . "$userId/stop", |
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225 | ["Authorization: Bearer $this->token"] |
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226 | ); |
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227 | $this->lastResponse = $response; |
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228 | $this->lastResponseCode = $code; |
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229 | if ($response !== false) return $code == 204; |
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230 | return false; |
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231 | } |
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232 | |||
233 | /** |
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234 | * [getLabels description] |
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235 | * @date 2019-11-20 |
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236 | * @param string $userID [description] |
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237 | * @return null|array [description] |
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238 | */ |
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239 | public function getLabels(string $userId='me'):?object |
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240 | { |
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241 | list($code, $response) = (new GMailCURL(GMailCURL::GET))( |
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242 | self::API . "$userId/labels", |
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243 | ["Authorization: Bearer $this->token"] |
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244 | ); |
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245 | $this->lastResponse = $response; |
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246 | $this->lastResponseCode = $code; |
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247 | if ($response !== false) { |
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248 | return json_decode($response)->labels; |
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249 | } |
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250 | return null; |
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251 | } |
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252 | /** |
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253 | * [getMessages description] |
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254 | * @date 2019-11-21 |
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255 | * @param string $userId [description] |
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256 | * @param [type] $labelIds [description] |
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257 | * @param [type] $q [description] |
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258 | * @param [type] $maxMessages [description] |
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259 | * @param [type] $pageToken [description] |
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260 | * @param boolean $includeSpamTrash [description] |
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261 | * @param [type] $truncateAfter [description] |
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262 | * @return [type] [description] |
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263 | */ |
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264 | public function getMessages(string $userId='me', array $labelIds=null, |
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298 | } |
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299 | /** |
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300 | * [getMessage description] |
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301 | * @date 2019-11-21 |
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302 | * @param string $userId [description] |
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303 | * @param string $messageId [description] |
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304 | * @param string $format [description] |
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305 | * @param [type] $metadataHeaders [description] |
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306 | * @return Message|null [description] |
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307 | */ |
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308 | public function getMessage(string $userId='me', string $messageId, |
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309 | string $format='full', array $metadataHeaders=null):?Message |
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310 | { |
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311 | $query = []; |
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312 | |||
313 | if ($format != 'full' && $format != null) $query['format'] = $format; |
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314 | if ($metadataHeaders != null) $query['metadataHeaders'] = $metadataHeaders; |
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315 | |||
316 | list($code, $response) = (new GMailCURL(GMailCURL::GET))( |
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317 | self::API . "$userId/messages/$messageId?" . http_build_query($query), |
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318 | ["Authorization: Bearer $this->token"] |
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319 | ); |
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320 | |||
321 | $this->lastResponse = $response; |
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322 | $this->lastResponseCode = $code; |
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323 | |||
324 | if ($response !== false) return new Message($response); |
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325 | |||
326 | return null; |
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327 | } |
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328 | |||
329 | /** |
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330 | * [getLastResponse description] |
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331 | * @date 2020-03-07 |
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332 | * @return string [description] |
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333 | */ |
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334 | public function getLastResponse():string |
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337 | } |
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338 | |||
339 | /** |
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340 | * [getLastResponseCode description] |
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341 | * @date 2020-03-07 |
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342 | * @return int [description] |
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343 | */ |
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344 | public function getLastResponseCode():int |
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347 | } |
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348 | |||
349 | /** |
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350 | * [process_response description] |
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351 | * @param int $code [description] |
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352 | * @param string $response [description] |
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353 | * @return [type] [description] |
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354 | */ |
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355 | private function process_response(int $code, string $response):?object { |
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359 | } |
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360 | } |
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361 |