1 | var validations = require('./index')
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2 |
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3 | exports.types = {
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4 | Select: {
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5 | type: 'String',
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6 | enum: ['SPECIFIC_ATTRIBUTES', 'COUNT', 'ALL_ATTRIBUTES', 'ALL_PROJECTED_ATTRIBUTES'],
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7 | },
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8 | IndexName: {
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9 | type: 'String',
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10 | regex: '[a-zA-Z0-9_.-]+',
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11 | lengthGreaterThanOrEqual: 3,
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12 | lengthLessThanOrEqual: 255,
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13 | },
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14 | TotalSegments: {
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15 | type: 'Integer',
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16 | greaterThanOrEqual: 1,
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17 | },
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18 | ReturnConsumedCapacity: {
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19 | type: 'String',
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20 | enum: ['INDEXES', 'TOTAL', 'NONE'],
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21 | },
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22 | TableName: {
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23 | type: 'String',
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24 | notNull: true,
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25 | regex: '[a-zA-Z0-9_.-]+',
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26 | lengthGreaterThanOrEqual: 3,
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27 | lengthLessThanOrEqual: 255,
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28 | },
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29 | ConditionalOperator: {
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30 | type: 'String',
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31 | enum: ['OR', 'AND'],
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32 | },
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33 | ScanFilter: {
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34 | type: 'Map<Condition>',
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35 | children: {
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36 | type: 'ValueStruct<Condition>',
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37 | children: {
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38 | AttributeValueList: {
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39 | type: 'List',
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40 | children: 'AttrStruct<ValueStruct>',
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41 | },
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42 | ComparisonOperator: {
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43 | type: 'String',
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44 | notNull: true,
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45 | enum: ['IN', 'NULL', 'BETWEEN', 'LT', 'NOT_CONTAINS', 'EQ', 'GT', 'NOT_NULL', 'NE', 'LE', 'BEGINS_WITH', 'GE', 'CONTAINS'],
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46 | },
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47 | },
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48 | },
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49 | },
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50 | Segment: {
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51 | type: 'Integer',
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52 | greaterThanOrEqual: 0,
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53 | },
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54 | AttributesToGet: {
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55 | type: 'List',
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56 | lengthGreaterThanOrEqual: 1,
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57 | lengthLessThanOrEqual: 255,
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58 | children: 'String',
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59 | },
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60 | Limit: {
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61 | type: 'Integer',
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62 | greaterThanOrEqual: 1,
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63 | },
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64 | ExclusiveStartKey: {
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65 | type: 'Map<AttributeValue>',
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66 | children: 'AttrStruct<ValueStruct>',
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67 | },
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68 | FilterExpression: {
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69 | type: 'String',
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70 | },
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71 | ProjectionExpression: {
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72 | type: 'String',
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73 | },
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74 | ExpressionAttributeValues: {
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75 | type: 'Map<AttributeValue>',
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76 | children: 'AttrStruct<ValueStruct>',
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77 | },
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78 | ExpressionAttributeNames: {
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79 | type: 'Map<java.lang.String>',
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80 | children: 'String',
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81 | },
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82 | }
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83 |
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84 | exports.custom = function(data) {
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85 |
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86 | var msg = validations.validateExpressionParams(data,
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87 | ['ProjectionExpression', 'FilterExpression'],
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88 | ['AttributesToGet', 'ScanFilter', 'ConditionalOperator'])
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89 | if (msg) return msg
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90 |
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91 | if (data.AttributesToGet) {
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92 | msg = validations.findDuplicate(data.AttributesToGet)
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93 | if (msg) return 'One or more parameter values were invalid: Duplicate value in attribute name: ' + msg
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94 | }
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95 |
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96 | msg = validations.validateConditions(data.ScanFilter)
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97 | if (msg) return msg
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98 |
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99 | for (var key in data.ExclusiveStartKey) {
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100 | msg = validations.validateAttributeValue(data.ExclusiveStartKey[key])
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101 | if (msg) return 'The provided starting key is invalid: ' + msg
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102 | }
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103 |
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104 | if (data.Segment && data.TotalSegments == null) {
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105 | return 'The TotalSegments parameter is required but was not present in the request when Segment parameter is present'
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106 | }
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107 |
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108 | if (data.TotalSegments) {
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109 | if (data.Segment == null) {
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110 | return 'The Segment parameter is required but was not present in the request when parameter TotalSegments is present'
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111 | }
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112 | if (data.Segment >= data.TotalSegments) {
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113 | return 'The Segment parameter is zero-based and must be less than parameter TotalSegments: ' +
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114 | 'Segment: ' + data.Segment + ' is not less than TotalSegments: ' + data.TotalSegments
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115 | }
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116 | }
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117 |
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118 | msg = validations.validateExpressions(data, ['ProjectionExpression', 'FilterExpression'])
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119 | if (msg) return msg
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120 | }
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