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4 | module.exports = function (OssClient) {
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25 | function ImageClient(options) {
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26 | if (!(this instanceof ImageClient)) {
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27 | return new ImageClient(options);
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28 | }
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29 | if (!options.bucket) {
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30 | throw new Error('require bucket for image service instance');
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31 | }
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32 | if (!options.imageHost) {
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33 | throw new Error('require imageHost for image service instance');
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34 | }
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35 |
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36 | options.endpoint = options.imageHost;
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37 | this.ossClient = new OssClient(options);
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38 | this.ossClient.options.imageHost = options.imageHost;
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39 |
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40 | }
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41 |
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42 | |
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44 |
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45 |
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46 | ImageClient.prototype.get = async function get(name, file, options) {
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47 | return await this.ossClient.get(name, file, options);
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48 | };
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49 |
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50 | ImageClient.prototype.getStream = async function getStream(name, options) {
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51 | return await this.ossClient.getStream(name, options);
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52 | };
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53 |
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54 | ImageClient.prototype.getExif = async function getExif(name, options) {
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55 | const params = this.ossClient._objectRequestParams('GET', `${name}@exif`, options);
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56 | params.successStatuses = [200];
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57 |
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58 | let result = await this.ossClient.request(params);
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59 | result = await this._parseResponse(result);
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60 | return {
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61 | res: result.res,
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62 | data: result.data
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63 | };
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64 | };
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65 |
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66 | ImageClient.prototype.getInfo = async function getInfo(name, options) {
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67 | const params = this.ossClient._objectRequestParams('GET', `${name}@infoexif`, options);
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68 | params.successStatuses = [200];
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69 |
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70 | let result = await this.ossClient.request(params);
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71 | result = await this._parseResponse(result);
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72 | return {
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73 | res: result.res,
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74 | data: result.data
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75 | };
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76 | };
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77 |
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78 | ImageClient.prototype.putStyle = async function putStyle(styleName, style, options) {
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79 | const params = this.ossClient._objectRequestParams('PUT', `/?style&styleName=${styleName}`, options);
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80 | params.successStatuses = [200];
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81 | params.content = `${'<?xml version="1.0" encoding="UTF-8"?>\n' +
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82 | '<Style><Content>'}${style}</Content></Style>`;
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83 |
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84 | let result = await this.ossClient.request(params);
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85 | result = await this._parseResponse(result);
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86 | return {
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87 | res: result.res,
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88 | data: result.data
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89 | };
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90 | };
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91 |
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92 | ImageClient.prototype.getStyle = async function getStyle(styleName, options) {
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93 | const params = this.ossClient._objectRequestParams('GET', `/?style&styleName=${styleName}`, options);
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94 | params.successStatuses = [200];
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95 |
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96 | let result = await this.ossClient.request(params);
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97 | result = await this._parseResponse(result);
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98 | return {
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99 | res: result.res,
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100 | data: result.data
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101 | };
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102 | };
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103 |
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104 | ImageClient.prototype.listStyle = async function listStyle(options) {
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105 | const params = this.ossClient._objectRequestParams('GET', '/?style', options);
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106 | params.successStatuses = [200];
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107 |
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108 | let result = await this.ossClient.request(params);
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109 | result = await this._parseResponse(result);
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110 | return {
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111 | res: result.res,
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112 | data: result.data.Style
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113 | };
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114 | };
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116 | ImageClient.prototype.deleteStyle = async function deleteStyle(styleName, options) {
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117 | const params = this.ossClient._objectRequestParams('DELETE', `/?style&styleName=${styleName}`, options);
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118 | params.successStatuses = [204];
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119 |
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120 | const result = await this.ossClient.request(params);
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121 | return {
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122 | res: result.res
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123 | };
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124 | };
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125 |
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126 | ImageClient.prototype.signatureUrl = function signatureUrl(name) {
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127 | return this.ossClient.signatureUrl(name);
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128 | };
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129 |
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130 | ImageClient.prototype._parseResponse = async function _parseResponse(result) {
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131 | const str = result.data.toString();
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132 | const type = result.res.headers['content-type'];
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133 |
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134 | if (type === 'application/json') {
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135 | const data = JSON.parse(str);
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136 | result.data = {};
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137 | if (data) {
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138 | Object.keys(data).forEach((key) => {
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139 | result.data[key] = parseFloat(data[key].value, 10) || data[key].value;
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140 | });
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141 | }
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142 | } else if (type === 'application/xml') {
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143 | result.data = await this.ossClient.parseXML(str);
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144 | }
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145 | return result;
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146 | };
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147 |
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148 | return ImageClient;
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149 | };
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