create InstitutionAnonymizer

src/institutionanonymizer.ts

@@ -0,0 +1,66 @@
+import * as dcmjs from 'dcmjs';
+import { AddressAnonymizer } from './addressanonymizer';
+
+export class InstitutionAnonymizer {
+
+    private address_anonymizer: AddressAnonymizer;
+
+    institution_name: string = dcmjs.data.DicomMetaDictionary.nameMap["InstitutionName"].tag; //0008,0080
+    institution_address: string = dcmjs.data.DicomMetaDictionary.nameMap["InstitutionAddress"].tag; //0008,0081
+    institutional_department_name: string = dcmjs.data.DicomMetaDictionary.nameMap["InstitutionalDepartmentName"].tag; //0008,1040
+    value_factories: { [key: string]: Function};
+
+    constructor(AddressAnonymizer: AddressAnonymizer){
+        this.address_anonymizer = AddressAnonymizer;
+
+        this.institution_name = dcmjs.data.DicomMetaDictionary.unpunctuateTag(this.institution_name);
+        this.institution_address = dcmjs.data.DicomMetaDictionary.unpunctuateTag(this.institution_address);
+        this.institutional_department_name = dcmjs.data.DicomMetaDictionary.unpunctuateTag(this.institutional_department_name);
+
+        this.value_factories = {
+            [this.institution_name]: this.anonymize_institution_name,
+            [this.institution_address]: this.anonymize_institution_address,
+            [this.institutional_department_name]: this.anonymize_department_name
+        };
+    }
+
+    anonymize = (dataset: any, data_tag: string): boolean => {
+        const value_factory = this.value_factories[data_tag];
+        if (value_factory == undefined){
+            return false
+        }
+
+        if (dataset[data_tag].Value.length>1){
+            dataset[data_tag].Value = dataset[data_tag].Value.map((original_value:string) => {
+            return value_factory(original_value);
+            });
+
+            return true
+        }
+        else{
+            const original_value = dataset[data_tag].Value[0]
+            dataset[data_tag].Value[0] = value_factory(original_value)
+
+            return true
+        }
+    }
+
+    anonymize_institution_name= (original_value: string): string => {
+        const region = this.address_anonymizer.get_region(original_value);
+        const street_address = this.address_anonymizer.get_street_address(original_value);
+
+        return `${region}'S ${street_address} CLINIC`
+    }
+
+    anonymize_institution_address= (original_value: string): string => {
+        const full_address = this.address_anonymizer.get_legal_address(original_value);
+        const country = this.address_anonymizer.get_country(original_value);
+
+        return `${full_address}, ${country}`
+    }
+
+    anonymize_department_name= (original_value: string): string => {
+        return 'RADIOLOGY'
+    }
+
+}