All files / platform/core/src/services/HangingProtocolService HPMatcher.js

82.22% Statements 37/45
65.38% Branches 17/26
100% Functions 4/4
82.22% Lines 37/45

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174                      89x 13604x       13604x         13604x   13604x 13604x     13604x 13604x 13604x 13604x                 13604x 19191x   19191x 11484x           7707x       19191x               19191x           19191x           19191x 19191x                           19191x       12274x   12274x               6917x 2250x         6917x               13604x 2196x     13604x               89x           19191x       19191x 19191x 19191x                                         19191x       19191x     89x          
import validate from './lib/validator';
 
/**
 * Match a Metadata instance against rules using Validate.js for validation.
 * @param  {InstanceMetadata} metadataInstance Metadata instance object
 * @param  {Array} rules Array of MatchingRules instances (StudyMatchingRule|SeriesMatchingRule|ImageMatchingRule) for the match
 * @param {object} options is an object containing additional information
 * @param {object[]} options.studies is a list of all the studies
 * @param {object[]} options.displaySets is a list of the display sets
 * @return {Object}      Matching Object with score and details (which rule passed or failed)
 */
const match = (metadataInstance, rules = [], customAttributeRetrievalCallbacks, options) => {
  const validateOptions = {
    format: 'grouped',
  };
 
  const details = {
    passed: [],
    failed: [],
  };
 
  const readValues = {};
 
  let requiredFailed = false;
  let score = 0;
 
  // Allow for matching against current or prior specifically
  const prior = options?.studies?.[1];
  const current = options?.studies?.[0];
  const instance = metadataInstance.instances?.[0];
  const fromSrc = {
    prior,
    current,
    instance,
    ...options,
    options,
    metadataInstance,
  };
 
  rules.forEach(rule => {
    const { attribute, from = 'metadataInstance' } = rule;
    // Do not use the custom attribute from the metadataInstance since it is subject to change
    if (customAttributeRetrievalCallbacks.hasOwnProperty(attribute)) {
      readValues[attribute] = customAttributeRetrievalCallbacks[attribute].callback.call(
        rule,
        metadataInstance,
        options
      );
    } else {
      readValues[attribute] = fromSrc[from]?.[attribute] ?? instance?.[attribute];
    }
 
    // handle cases where the constraint is also a custom attribute
    const resolvedConstraint = resolveConstraintAttributes(
      readValues,
      rule.constraint,
      customAttributeRetrievalCallbacks,
      fromSrc
    );
 
    // Format the constraint as required by Validate.js
    const testConstraint = {
      [attribute]: resolvedConstraint,
    };
 
    // Create a single attribute object to be validated, since metadataInstance is an
    // instance of Metadata (StudyMetadata, SeriesMetadata or InstanceMetadata)
    const attributeMap = {
      [attribute]: readValues[attribute],
    };
 
    // Use Validate.js to evaluate the constraints on the specified metadataInstance
    let errorMessages;
    try {
      errorMessages = validate(attributeMap, testConstraint, [validateOptions]);
    } catch (e) {
      errorMessages = ['Something went wrong during validation.', e];
    }
 
    // TODO: move to a logger
    // console.log(
    //   'Test',
    //   `${from}.${attribute}`,
    //   readValues[attribute],
    //   JSON.stringify(rule.constraint),
    //   !errorMessages
    // );
 
    if (!errorMessages) {
      // If no errorMessages were returned, then validation passed.
 
      // Add the rule's weight to the total score
      score += parseInt(rule.weight || 1, 10);
      // Log that this rule passed in the matching details object
      details.passed.push({
        rule,
      });
    } else {
      // If errorMessages were present, then validation failed
 
      // If the rule that failed validation was Required, then
      // mark that a required Rule has failed
      if (rule.required) {
        requiredFailed = true;
      }
 
      // Log that this rule failed in the matching details object
      // and include any error messages
      details.failed.push({
        rule,
        errorMessages,
      });
    }
  });
 
  // If a required Rule has failed Validation, set the matching score to zero
  if (requiredFailed) {
    score = 0;
  }
 
  return {
    score,
    details,
    requiredFailed,
  };
};
 
// New helper function to resolve constraint attributes
const resolveConstraintAttributes = (
  readValues,
  constraint,
  customAttributeRetrievalCallbacks,
  fromSrc
) => {
  Iif (typeof constraint !== 'object' || constraint === null) {
    return constraint;
  }
 
  const resolvedConstraint = {};
  Object.entries(constraint).forEach(([key, value]) => {
    Iif (typeof value === 'object' && Object.keys(value).length > 0 && 'attribute' in value) {
      const attributeName = value.attribute;
      const attributeFrom = value.from ?? 'metadataInstance';
 
      if (customAttributeRetrievalCallbacks.hasOwnProperty(attributeName)) {
        const value = customAttributeRetrievalCallbacks[attributeName].callback.call(
          null,
          fromSrc[attributeFrom],
          fromSrc.options
        );
 
        resolvedConstraint[key] = {
          value,
        };
      } else {
        resolvedConstraint[key] = {
          value:
            fromSrc[attributeFrom]?.[attributeName] ?? fromSrc.metadataInstance?.[attributeName],
        };
      }
    } else {
      resolvedConstraint[key] = value;
    }
  }, {});
 
  return resolvedConstraint;
};
 
const HPMatcher = {
  match,
};
 
export { HPMatcher };