| Conditions | 1 |
| Paths | 1 |
| Total Lines | 211 |
| Code Lines | 170 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | const db = require("../db/database.js"); |
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| 6 | const copier = (function () { |
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| 7 | const copyApiKey = config.copyApiKey; |
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| 8 | |||
| 9 | function copyAll(res, apiKey) { |
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| 10 | let sql = "INSERT INTO products" + |
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| 11 | " (productId," + |
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| 12 | " articleNumber," + |
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| 13 | " productName," + |
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| 14 | " productDescription," + |
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| 15 | " productSpecifiers," + |
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| 16 | " stock," + |
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| 17 | " location," + |
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| 18 | " price," + |
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| 19 | " apiKey)" + |
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| 20 | " SELECT productId," + |
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| 21 | " articleNumber," + |
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| 22 | " productName," + |
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| 23 | " productDescription," + |
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| 24 | " productSpecifiers," + |
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| 25 | " stock," + |
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| 26 | " location, " + |
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| 27 | " price," + |
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| 28 | "'" + apiKey + "'" + |
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| 29 | " FROM products" + |
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| 30 | " WHERE apiKey = ?"; |
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| 31 | |||
| 32 | db.run(sql, copyApiKey, (err) => { |
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| 33 | if (err) { |
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| 34 | return res.status(500).json({ |
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| 35 | errors: { |
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| 36 | status: 500, |
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| 37 | source: "/copy_products", |
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| 38 | title: "Database error", |
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| 39 | detail: err.message |
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| 40 | } |
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| 41 | }); |
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| 42 | } else { |
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| 43 | let sql = "INSERT INTO orders" + |
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| 44 | " (orderId," + |
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| 45 | " customerName," + |
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| 46 | " customerAddress," + |
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| 47 | " customerZip," + |
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| 48 | " customerCity," + |
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| 49 | " customerCountry," + |
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| 50 | " statusId," + |
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| 51 | " apiKey)" + |
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| 52 | " SELECT orderId," + |
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| 53 | " customerName," + |
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| 54 | " customerAddress," + |
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| 55 | " customerZip," + |
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| 56 | " customerCity," + |
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| 57 | " customerCountry," + |
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| 58 | " statusId," + |
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| 59 | "'" + apiKey + "'" + |
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| 60 | " FROM orders" + |
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| 61 | " WHERE apiKey = ?"; |
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| 62 | |||
| 63 | db.run(sql, copyApiKey, (err) => { |
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| 64 | if (err) { |
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| 65 | return res.status(500).json({ |
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| 66 | errors: { |
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| 67 | status: 500, |
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| 68 | source: "/copy_orders", |
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| 69 | title: "Database error", |
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| 70 | detail: err.message |
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| 71 | } |
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| 72 | }); |
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| 73 | } else { |
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| 74 | let orderItemsSQL = "INSERT INTO order_items" + |
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| 75 | " (orderId," + |
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| 76 | " productId," + |
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| 77 | " amount," + |
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| 78 | " apiKey)" + |
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| 79 | " SELECT orderId," + |
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| 80 | " productId," + |
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| 81 | " amount," + |
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| 82 | "'" + apiKey + "'" + |
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| 83 | " FROM order_items" + |
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| 84 | " WHERE apiKey = ?"; |
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| 85 | |||
| 86 | db.run(orderItemsSQL, copyApiKey, (err) => { |
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| 87 | if (err) { |
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| 88 | return res.status(500).json({ |
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| 89 | errors: { |
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| 90 | status: 500, |
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| 91 | source: "/copy_orders", |
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| 92 | title: "Database error in order_items", |
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| 93 | detail: err.message |
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| 94 | } |
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| 95 | }); |
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| 96 | } else { |
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| 97 | return res.status(201).json({ |
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| 98 | data: { |
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| 99 | message: "Products and orders have been copied" |
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| 100 | } |
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| 101 | }); |
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| 102 | } |
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| 103 | }); |
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| 104 | } |
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| 105 | }); |
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| 106 | } |
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| 107 | }); |
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| 108 | } |
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| 109 | |||
| 110 | function copyProducts(res, apiKey) { |
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| 111 | let sql = "INSERT INTO products" + |
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| 112 | " (productId," + |
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| 113 | " articleNumber," + |
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| 114 | " productName," + |
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| 115 | " productDescription," + |
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| 116 | " productSpecifiers," + |
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| 117 | " stock," + |
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| 118 | " location," + |
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| 119 | " price," + |
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| 120 | " apiKey)" + |
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| 121 | " SELECT productId," + |
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| 122 | " articleNumber," + |
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| 123 | " productName," + |
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| 124 | " productDescription," + |
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| 125 | " productSpecifiers," + |
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| 126 | " stock," + |
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| 127 | " location, " + |
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| 128 | " price," + |
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| 129 | "'" + apiKey + "'" + |
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| 130 | " FROM products" + |
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| 131 | " WHERE apiKey = ?"; |
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| 132 | |||
| 133 | db.run(sql, copyApiKey, (err) => { |
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| 134 | if (err) { |
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| 135 | return res.status(500).json({ |
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| 136 | errors: { |
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| 137 | status: 500, |
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| 138 | source: "/copy_products", |
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| 139 | title: "Database error", |
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| 140 | detail: err.message |
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| 141 | } |
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| 142 | }); |
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| 143 | } else { |
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| 144 | products.getAllProducts(res, apiKey, 201); |
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| 145 | } |
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| 146 | }); |
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| 147 | } |
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| 148 | |||
| 149 | function copyOrders(res, apiKey) { |
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| 150 | let sql = "INSERT INTO orders" + |
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| 151 | " (orderId," + |
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| 152 | " customerName," + |
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| 153 | " customerAddress," + |
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| 154 | " customerZip," + |
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| 155 | " customerCity," + |
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| 156 | " customerCountry," + |
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| 157 | " statusId," + |
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| 158 | " apiKey)" + |
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| 159 | " SELECT orderId," + |
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| 160 | " customerName," + |
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| 161 | " customerAddress," + |
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| 162 | " customerZip," + |
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| 163 | " customerCity," + |
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| 164 | " customerCountry," + |
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| 165 | " statusId," + |
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| 166 | "'" + apiKey + "'" + |
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| 167 | " FROM orders" + |
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| 168 | " WHERE apiKey = ?"; |
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| 169 | |||
| 170 | db.run(sql, copyApiKey, (err) => { |
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| 171 | if (err) { |
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| 172 | return res.status(500).json({ |
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| 173 | errors: { |
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| 174 | status: 500, |
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| 175 | source: "/copy_orders", |
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| 176 | title: "Database error", |
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| 177 | detail: err.message |
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| 178 | } |
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| 179 | }); |
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| 180 | } else { |
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| 181 | let orderItemsSQL = "INSERT INTO order_items" + |
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| 182 | " (orderId," + |
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| 183 | " productId," + |
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| 184 | " amount," + |
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| 185 | " apiKey)" + |
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| 186 | " SELECT orderId," + |
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| 187 | " productId," + |
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| 188 | " amount," + |
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| 189 | "'" + apiKey + "'" + |
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| 190 | " FROM order_items" + |
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| 191 | " WHERE apiKey = ?"; |
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| 192 | |||
| 193 | db.run(orderItemsSQL, copyApiKey, (err) => { |
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| 194 | if (err) { |
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| 195 | return res.status(500).json({ |
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| 196 | errors: { |
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| 197 | status: 500, |
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| 198 | source: "/copy_orders", |
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| 199 | title: "Database error in order_items", |
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| 200 | detail: err.message |
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| 201 | } |
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| 202 | }); |
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| 203 | } else { |
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| 204 | orders.getAllOrders(res, apiKey, 201); |
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| 205 | } |
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| 206 | }); |
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| 207 | } |
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| 208 | }); |
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| 209 | } |
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| 210 | |||
| 211 | return { |
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| 212 | copyAll: copyAll, |
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| 213 | copyProducts: copyProducts, |
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| 214 | copyOrders: copyOrders, |
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| 215 | }; |
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| 216 | }()); |
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| 217 | |||
| 219 |