Conditions | 1 |
Paths | 1 |
Total Lines | 100 |
Code Lines | 82 |
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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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 | |||
219 |