Total Complexity | 146 |
Total Lines | 722 |
Duplicated Lines | 0 % |
Changes | 5 | ||
Bugs | 0 | Features | 0 |
Complex classes like jugaad_model 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 jugaad_model, and based on these observations, apply Extract Interface, too.
1 | <?php |
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9 | class jugaad_model extends Model { |
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10 | |||
11 | public function __construct() { |
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13 | } |
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14 | |||
15 | public function new_file($parent, $slug, $type, $default_role, $template, $user) { |
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16 | $db_error = false; |
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17 | $this->DB->jugaad->autocommit(false); |
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18 | |||
19 | $stmt = $this->db_lib->prepared_execute( |
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20 | $this->DB->jugaad, |
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21 | "INSERT INTO `files` (`slug`, `parent`, `type`, `default_role`, `template`) VALUES (?, ?, ?, ?, ?)", |
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22 | "sisss", |
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23 | [$slug, $parent, $type, $default_role, $template] |
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24 | ); |
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25 | if (!$stmt) { |
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26 | $db_error = true; |
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27 | } |
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28 | |||
29 | if (!$db_error) { |
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30 | $insert_id = $stmt->insert_id; |
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31 | |||
32 | $stmt = $this->db_lib->prepared_execute( |
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33 | $this->DB->jugaad, |
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34 | "INSERT INTO `file_versions` (`file_id`, `action`, `created_by`) VALUES (?, 'create', ?)", |
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35 | "is", |
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36 | [$insert_id, $user] |
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37 | ); |
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38 | if (!$stmt) { |
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39 | $db_error = true; |
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40 | } |
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41 | } |
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42 | |||
43 | if ($db_error) { |
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44 | $this->DB->jugaad->rollback(); |
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45 | } else { |
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46 | $this->DB->jugaad->commit(); |
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47 | } |
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48 | |||
49 | $this->DB->jugaad->autocommit(true); |
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50 | return !$db_error; |
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51 | } |
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52 | |||
53 | public function update_file($file_id, $slug, $data, $template, $user) { |
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54 | if ($file_id === false) { |
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55 | return false; |
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56 | } |
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57 | $file_type = $this->get_file_type($file_id); |
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58 | if ($file_type === false) { |
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59 | return false; |
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60 | } |
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61 | $db_error = false; |
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62 | $this->DB->jugaad->autocommit(false); |
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63 | |||
64 | $stmt = $this->db_lib->prepared_execute( |
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65 | $this->DB->jugaad, |
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66 | "UPDATE `files` SET `slug`=?, `template`=? WHERE `id`=?", |
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67 | "ssi", |
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68 | [$slug, $template, $file_id] |
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69 | ); |
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70 | if (!$stmt) { |
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71 | $db_error = true; |
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72 | } |
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73 | |||
74 | if ($file_type != 'directory') { |
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75 | $stmt = $this->db_lib->prepared_execute( |
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76 | $this->DB->jugaad, |
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77 | "INSERT INTO `file_versions` (`file_id`, `action`, `created_by`) VALUES (?, 'edit', ?)", |
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78 | "is", |
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79 | [$file_id, $user] |
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80 | ); |
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81 | if (!$stmt) { |
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82 | $db_error = true; |
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83 | } |
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84 | |||
85 | if (!$db_error) { |
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86 | $version_id = $stmt->insert_id; |
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87 | $db_error = $this->update_file_data($file_id, $version_id, $data); |
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88 | } |
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89 | } |
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90 | |||
91 | if ($db_error) { |
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92 | $this->DB->jugaad->rollback(); |
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93 | } else { |
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94 | $this->DB->jugaad->commit(); |
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95 | } |
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96 | |||
97 | $this->DB->jugaad->autocommit(true); |
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98 | return !$db_error; |
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99 | } |
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100 | |||
101 | public function delete_file($file_id, $user) { |
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102 | if ($file_id === false || $file_id <= 0) { |
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103 | return false; |
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104 | } |
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105 | |||
106 | $db_error = false; |
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107 | $this->DB->jugaad->autocommit(false); |
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108 | |||
109 | $stmt = $this->db_lib->prepared_execute( |
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110 | $this->DB->jugaad, |
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111 | "INSERT INTO `trash_files` (`file_id`, `slug`, `parent`, `type`, `created_by`) SELECT `id`, `slug`, `parent`, `type`, ? FROM `files` WHERE `id`=?", |
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112 | "si", |
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113 | [$user, $file_id] |
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114 | ); |
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115 | if (!$stmt) { |
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116 | $db_error = true; |
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117 | } |
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118 | |||
119 | $stmt = $this->db_lib->prepared_execute( |
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120 | $this->DB->jugaad, |
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121 | "DELETE FROM `files` WHERE `id`=?", |
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122 | "i", |
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123 | [$file_id] |
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124 | ); |
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125 | if (!$stmt) { |
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126 | $db_error = true; |
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127 | } |
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128 | |||
129 | $stmt = $this->db_lib->prepared_execute( |
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130 | $this->DB->jugaad, |
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131 | "INSERT INTO `file_versions` (`file_id`, `action`, `created_by`) VALUES (?, 'delete', ?)", |
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132 | "is", |
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133 | [$file_id, $user] |
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134 | ); |
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135 | if (!$stmt) { |
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136 | $db_error = true; |
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137 | } |
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138 | |||
139 | if ($db_error) { |
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140 | $this->DB->jugaad->rollback(); |
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141 | } else { |
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142 | $this->DB->jugaad->commit(); |
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143 | } |
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144 | |||
145 | $this->DB->jugaad->autocommit(true); |
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146 | return !$db_error; |
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147 | } |
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148 | |||
149 | public function recover_file($file_id, $user) { |
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150 | if ($file_id === false || $file_id <= 0) { |
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151 | return false; |
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152 | } |
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153 | |||
154 | $db_error = false; |
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155 | $this->DB->jugaad->autocommit(false); |
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156 | |||
157 | $stmt = $this->db_lib->prepared_execute( |
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158 | $this->DB->jugaad, |
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159 | "INSERT INTO `files` (`id`, `slug`, `parent`, `type`) SELECT `file_id`, `slug`, `parent`, `type` FROM `trash_files` WHERE `file_id`=?", |
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160 | "i", |
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161 | [$file_id] |
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162 | ); |
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163 | if (!$stmt) { |
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164 | $db_error = true; |
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165 | } |
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166 | |||
167 | $stmt = $this->db_lib->prepared_execute( |
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168 | $this->DB->jugaad, |
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169 | "DELETE FROM `trash_files` WHERE `file_id`=?", |
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170 | "i", |
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171 | [$file_id] |
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172 | ); |
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173 | if (!$stmt) { |
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174 | $db_error = true; |
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175 | } |
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176 | |||
177 | $stmt = $this->db_lib->prepared_execute( |
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178 | $this->DB->jugaad, |
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179 | "INSERT INTO `file_versions` (`file_id`, `action`, `created_by`) VALUES (?, 'recover', ?)", |
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180 | "is", |
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181 | [$file_id, $user] |
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182 | ); |
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183 | if (!$stmt) { |
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184 | $db_error = true; |
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185 | } |
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186 | |||
187 | if ($db_error) { |
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188 | $this->DB->jugaad->rollback(); |
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189 | } else { |
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190 | $this->DB->jugaad->commit(); |
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191 | } |
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192 | |||
193 | $this->DB->jugaad->autocommit(true); |
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194 | return !$db_error; |
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195 | } |
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196 | |||
197 | public function get_slug_id($parent, $slug) { |
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198 | $stmt = $this->db_lib->prepared_execute( |
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199 | $this->DB->jugaad, |
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200 | "SELECT `id` FROM `files` WHERE `parent`=? AND `slug`=?", |
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201 | "is", |
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202 | [$parent, $slug] |
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203 | ); |
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204 | if (!$stmt) { |
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205 | return false; |
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206 | } |
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207 | |||
208 | if ($row = $stmt->get_result()->fetch_row()) { |
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209 | return $row[0]; |
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210 | } |
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211 | return false; |
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212 | } |
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213 | |||
214 | public function get_path_id($path) { |
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215 | $path = array_filter($path); |
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216 | $parent = 0; |
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217 | foreach ($path as $component) { |
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218 | $parent = $this->get_slug_id($parent, $component); |
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219 | if ($parent === false) { |
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220 | return false; |
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221 | } |
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222 | } |
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223 | return $parent; |
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224 | } |
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225 | |||
226 | public function get_file_path($file_id, $include_trash = false) { |
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227 | if ($file_id === false) { |
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228 | return false; |
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229 | } |
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230 | if ($file_id == 0) { |
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231 | return '/'; |
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232 | } |
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233 | $path = '/'; |
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234 | do { |
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235 | $file = $this->get_file($file_id, $include_trash); |
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236 | $file_id = $file['parent']; |
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237 | $path = '/' . $file['slug'] . $path; |
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238 | } while ($file_id !== 0); |
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239 | return $path; |
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240 | } |
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241 | |||
242 | public function get_file_type($file_id) { |
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259 | } |
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260 | |||
261 | public function get_directory($file_id, $regex = false, $type = false, $template = false) { |
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262 | // Get list of files in directory |
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263 | if ($file_id === false) { |
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264 | return false; |
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265 | } |
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266 | |||
267 | $query = "SELECT `id`, `slug`, `parent`, `type`, `template` FROM `files` WHERE `parent`=?"; |
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268 | $param_types = "i"; |
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269 | $params = [$file_id]; |
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270 | |||
271 | if ($regex !== false) { |
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272 | $query .= " AND `slug` RLIKE ?"; |
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273 | $param_types .= "s"; |
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274 | $params[] = $regex; |
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275 | } |
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276 | |||
277 | if ($type !== false) { |
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278 | $query .= " AND `type`=?"; |
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279 | $param_types .= "s"; |
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280 | $params[] = $type; |
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281 | |||
282 | if ($type == 'file' && $template !== false) { |
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283 | $query .= " AND `template` RLIKE ?"; |
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284 | $param_types .= "s"; |
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285 | $params[] = $template; |
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286 | } |
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287 | } elseif ($template !== false) { |
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288 | $query .= " AND ((`type`='file' AND `template` RLIKE ?) OR `type`!='file')"; |
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289 | $param_types .= "s"; |
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290 | $params[] = $template; |
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291 | } |
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292 | |||
293 | $stmt = $this->db_lib->prepared_execute( |
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294 | $this->DB->jugaad, |
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295 | $query, |
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296 | $param_types, |
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297 | $params |
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298 | ); |
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299 | if (!$stmt) { |
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300 | return false; |
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301 | } |
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302 | |||
303 | $page_list = $stmt->get_result()->fetch_all(MYSQLI_ASSOC); |
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304 | return $page_list; |
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305 | } |
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306 | |||
307 | public function get_file($file_id, $include_trash = false) { |
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308 | // Get details of file |
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309 | if ($file_id === false) { |
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310 | return false; |
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311 | } |
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312 | $stmt = $this->db_lib->prepared_execute( |
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313 | $this->DB->jugaad, |
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314 | "SELECT `id`, `slug`, `parent`, `type`, `default_role`, `template` FROM `files` WHERE `id`=?", |
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315 | "i", |
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316 | [$file_id] |
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317 | ); |
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318 | if (!$stmt) { |
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319 | return false; |
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320 | } |
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321 | if ($row = $stmt->get_result()->fetch_assoc()) { |
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322 | return $row; |
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323 | } elseif ($include_trash && $row = $this->get_file_trashed($file_id)) { |
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324 | $row['trashed'] = true; |
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325 | return $row; |
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326 | } |
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327 | return false; |
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328 | } |
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329 | |||
330 | public function get_file_trashed($file_id) { |
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331 | // Get details of a trashed file |
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332 | if ($file_id === false) { |
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333 | return false; |
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334 | } |
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335 | $stmt = $this->db_lib->prepared_execute( |
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336 | $this->DB->jugaad, |
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337 | "SELECT `file_id` as `id`, `slug`, `parent`, `type` FROM `trash_files` WHERE `file_id`=?", |
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338 | "i", |
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339 | [$file_id] |
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340 | ); |
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341 | if (!$stmt) { |
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342 | return false; |
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343 | } |
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344 | if ($row = $stmt->get_result()->fetch_assoc()) { |
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345 | return $row; |
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346 | } |
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347 | return false; |
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348 | } |
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349 | |||
350 | /** |
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351 | * Recursively get files |
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352 | * @param Array $parent_dir Assosiative array containing atleast `id` and `path` |
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353 | * @param string $type Type (e.g. 'directory' or 'file') |
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354 | * @param string $template Regex for template name |
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355 | * @return array Array of files |
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356 | */ |
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357 | private function get_files_recursive($parent_dir, $type = false, $template = false) { |
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358 | $files = $this->get_directory( |
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359 | $parent_dir["id"], |
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360 | false, |
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361 | ($type == 'directory') ? 'directory' : false, |
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362 | $template |
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363 | ); |
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364 | |||
365 | $return_files = []; |
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366 | |||
367 | if ($files) { |
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368 | foreach ($files as $file) { |
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369 | $file["path"] = $parent_dir["path"] . $file["slug"] . "/"; |
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370 | |||
371 | if ($type === false || $type == $file["type"]) { |
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372 | $return_files[] = $file; |
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373 | } |
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374 | |||
375 | if ($file["type"] == "directory") { |
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376 | $return_files = array_merge( |
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377 | $return_files, |
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378 | $this->get_files_recursive($file, $type, $template) |
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379 | ); |
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380 | } |
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381 | } |
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382 | } |
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383 | |||
384 | return $return_files; |
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385 | } |
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386 | |||
387 | /** |
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388 | * Get all files satisfying regex path |
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389 | * @param string $path Path string |
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390 | * @param string $template Template regex |
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391 | * @return array Array of files |
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392 | */ |
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393 | private function expand_regex_paths($path, $template = false) { |
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394 | $path = array_values(array_filter(explode("/", $path))); |
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395 | if (is_string($template)) { |
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396 | $template = "^" . $template . "$"; |
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397 | } |
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398 | |||
399 | // Directories still satisfying the regex |
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400 | // Start with root |
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401 | $directories = [ |
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402 | [ |
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403 | "id" => 0, |
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404 | "path" => "/" |
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405 | ] |
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406 | ]; |
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407 | |||
408 | $len = count($path); |
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409 | $last_segment = false; |
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410 | |||
411 | $files = []; |
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412 | |||
413 | for ($i = 0; $i < $len; $i++) { |
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414 | // Check if it is the last segment |
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415 | if ($i == $len - 1) { |
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416 | $last_segment = true; |
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417 | } |
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418 | |||
419 | $files = []; |
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420 | |||
421 | foreach ($directories as $parent) { |
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422 | $query_type = $last_segment ? "file" : "directory"; |
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423 | $query_template = $last_segment ? $template : false; |
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424 | |||
425 | if ($path[$i] == "**") { |
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426 | $new_files = $this->get_files_recursive( |
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427 | $parent, |
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428 | $query_type, |
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429 | $query_template |
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430 | ); |
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431 | } else { |
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432 | $new_files = $this->get_directory( |
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433 | $parent["id"], |
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434 | "^" . $path[$i] . "$", |
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435 | $query_type, |
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436 | $query_template |
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437 | ); |
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438 | } |
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439 | |||
440 | if (!$new_files) { |
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441 | continue; |
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442 | } |
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443 | |||
444 | foreach ($new_files as $file) { |
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445 | if (!isset($file["path"])) { |
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446 | $file["path"] = $parent["path"] . $file["slug"] . "/"; |
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447 | } |
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448 | array_push($files, $file); |
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449 | } |
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450 | } |
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451 | |||
452 | if (!$last_segment) { |
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453 | $directories = $files; |
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454 | } |
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455 | } |
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456 | |||
457 | return $files; |
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458 | } |
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459 | |||
460 | private function eval_regex_preprocessor($preprocessor, $file_info) { |
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461 | $pre_data = []; |
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462 | $pre_data["path"] = array_filter(explode("/", $file_info["path"])); |
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463 | $pre_data["template"] = $file_info["template"]; |
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464 | |||
465 | // Remove `{{` and `}}` |
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466 | $location = substr($preprocessor, 2, -2); |
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467 | |||
468 | // Get variable name and offsets |
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469 | if (preg_match('/^([a-z0-9_]+)(\[(-?\d+)?(?:([:])(-?\d+)?)?\])?$/i', $location, $matches)) { |
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470 | $identifier = (count($matches) >= 2) ? $matches[1] : false; |
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471 | |||
472 | $is_array_access = (count($matches) >= 3 && $matches[2]) ? true : false; |
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473 | $start_index = (count($matches) >= 4) ? intval($matches[3]) : 0; |
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474 | $is_array_range = (count($matches) >= 5 && $matches[4]) ? true : false; |
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475 | $end_index = (count($matches) >= 6) ? intval($matches[5]) : null; |
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476 | |||
477 | if (!array_key_exists($identifier, $pre_data)) { |
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478 | // Something wrong |
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479 | return ""; |
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480 | } |
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481 | |||
482 | $ret_value = $pre_data[$identifier]; |
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483 | $is_ret_array = is_array($ret_value); |
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484 | |||
485 | if (!$is_ret_array) { |
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486 | $ret_value = str_split($ret_value); |
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487 | } |
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488 | |||
489 | if ($is_array_access) { |
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490 | if ($is_array_range) { |
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491 | if ($end_index !== null && $end_index < 0) { |
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492 | $array_length = count($ret_value); |
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493 | $end_index = $array_length + $end_index - 1; |
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494 | } |
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495 | $length = ($end_index === null) ? null : ($end_index - $start_index + 1); |
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496 | if ($length < 0) { |
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497 | $length = 0; |
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498 | } |
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499 | } else { |
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500 | $length = 1; |
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501 | } |
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502 | |||
503 | $ret_value = array_slice($ret_value, $start_index, $length); |
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504 | } |
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505 | |||
506 | if ($is_ret_array) { |
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507 | $ret_value = implode("/", $ret_value); |
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508 | } else { |
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509 | $ret_value = implode("", $ret_value); |
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510 | } |
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511 | |||
512 | return $ret_value; |
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513 | } |
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514 | |||
515 | return ""; |
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516 | } |
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517 | |||
518 | private function preprocess_regex($regex, $file_info) { |
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519 | while (preg_match('/\{\{.*\}\}/i', $regex, $matches)) { |
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520 | $replacement = $this->eval_regex_preprocessor($matches[0], $file_info); |
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521 | $regex = str_replace($matches[0], $replacement, $regex); |
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522 | } |
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523 | |||
524 | return $regex; |
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525 | } |
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526 | |||
527 | private function get_external_data($file_id, $meta, $user, $version_id_only = false) { |
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528 | if (empty($meta["path"])) { |
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529 | return false; |
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530 | } |
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531 | |||
532 | $path = $meta["path"]; |
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533 | $data = $meta["data"]; |
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534 | $template = isset($meta["template"]) ? $meta["template"] : false; |
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535 | |||
536 | $current_file = $this->get_file($file_id); |
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537 | $current_file["path"] = $this->get_file_path($file_id); |
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538 | $path = $this->preprocess_regex($path, $current_file); |
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539 | $template = $this->preprocess_regex($template, $current_file); |
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540 | |||
541 | // Get external files |
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542 | $files = $this->expand_regex_paths($path, $template); |
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543 | |||
544 | $this->load_model("perms_model"); |
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545 | |||
546 | // Get data for external files |
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547 | if ($version_id_only === true) { |
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548 | $ext_data = 0; |
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549 | } else { |
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550 | $ext_data = []; |
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551 | } |
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552 | |||
553 | foreach ($files as $file) { |
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554 | // Check file permission and discard if user does not have enough permissions |
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555 | $user_can = $this->perms_model->get_permissions($file["id"], $user); |
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556 | if (!$user_can['read_file']) { |
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557 | continue; |
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558 | } |
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559 | |||
560 | if ($version_id_only === true) { |
||
561 | $ext_data = max($ext_data, $this->get_latest_version_id($file["id"])); |
||
562 | } else { |
||
563 | $ext_file = []; |
||
564 | $ext_file["slug"] = $file["slug"]; |
||
565 | $ext_file["path"] = $file["path"]; |
||
566 | $ext_file["template"] = $file["template"]; |
||
567 | // TODO: $ext_file["url"] to acount for cannonical paths, e.g. index |
||
568 | $ext_file["data"] = []; |
||
569 | |||
570 | foreach ($data as $name => $ext_name) { |
||
571 | $ext_file["data"][$name] = |
||
572 | $this->get_field_value($file["id"], $ext_name, false, false); |
||
573 | } |
||
574 | |||
575 | $ext_data[] = $ext_file; |
||
576 | } |
||
577 | } |
||
578 | |||
579 | return $ext_data; |
||
580 | } |
||
581 | |||
582 | private function get_field_value($file_id, $name, $meta = false, $user = false) { |
||
583 | if (!empty($meta) && $meta["type"] == "external") { |
||
584 | return $this->get_external_data($file_id, $meta, $user); |
||
585 | } |
||
586 | |||
587 | // Else, it is normal data, get it from database |
||
588 | $stmt = $this->db_lib->prepared_execute( |
||
589 | $this->DB->jugaad, |
||
590 | "SELECT `value` FROM `file_data` WHERE `file_id`=? AND `name`=? ORDER BY `id` DESC LIMIT 1", |
||
591 | "is", |
||
592 | [$file_id, $name] |
||
593 | ); |
||
594 | if (!$stmt) { |
||
595 | return false; |
||
596 | } |
||
597 | if ($row = $stmt->get_result()->fetch_row()) { |
||
598 | return $row[0] ? json_decode($row[0], true) : $row[0]; |
||
599 | } |
||
600 | return false; |
||
601 | } |
||
602 | |||
603 | public function get_file_data($file_id, $template_meta, $user, $return_default = true) { |
||
604 | // Get data for file based on template meta given |
||
605 | if ($file_id === false || !is_array($template_meta)) { |
||
606 | return false; |
||
607 | } |
||
608 | $data = []; |
||
609 | foreach ($template_meta as $name => $meta) { |
||
610 | $field = $this->get_field_value($file_id, $name, $meta, $user); |
||
611 | if ($field === false) { |
||
612 | if ($return_default) { |
||
613 | if (isset($meta['optional']) && $meta['optional']) { |
||
614 | $data[$name] = @$meta['default'] ?: ''; |
||
615 | } else { |
||
616 | $data[$name] = @$meta['default'] ?: $meta['name']; |
||
617 | } |
||
618 | } else { |
||
619 | $data[$name] = ''; |
||
620 | } |
||
621 | } else { |
||
622 | $data[$name] = $field; |
||
623 | } |
||
624 | } |
||
625 | return $data; |
||
626 | } |
||
627 | |||
628 | private function update_file_data($file_id, $version_id, $data) { |
||
643 | } |
||
644 | |||
645 | public function get_latest_version_id_with_external_data($file_id, $template_meta, $user) { |
||
646 | if ($file_id === false || !is_array($template_meta)) { |
||
647 | return false; |
||
648 | } |
||
649 | |||
650 | $version_id = $this->get_latest_version_id($file_id); |
||
651 | |||
652 | $data = []; |
||
653 | foreach ($template_meta as $name => $meta) { |
||
654 | if ($meta["type"] == "external") { |
||
655 | $version_id = max( |
||
656 | $version_id, |
||
657 | $this->get_external_data($file_id, $meta, $user, true) |
||
658 | ); |
||
659 | } |
||
660 | } |
||
661 | return $version_id; |
||
662 | } |
||
663 | |||
664 | public function get_latest_version_id($file_id) { |
||
682 | } |
||
683 | |||
684 | public function get_history($file_id) { |
||
700 | } |
||
701 | |||
702 | public function get_trash_list() { |
||
731 | } |
||
732 | |||
733 | } |
||
734 |