60 lines
2.5 KiB
Java
60 lines
2.5 KiB
Java
package eu.eudat.logic.services.forms;
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import eu.eudat.models.data.user.components.commons.Rule;
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import org.springframework.stereotype.Service;
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import java.util.*;
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/**
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* Created by ikalyvas on 3/5/2018.
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*/
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@Service("visibilityRuleService")
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public class VisibilityRuleServiceImpl implements VisibilityRuleService {
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private Map<String, Boolean> elementVisibility = new HashMap<>();
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private VisibilityContext visibilityContext;
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private Map<String, Object> properties;
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public boolean isElementVisible(String id) {
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if (!this.elementVisibility.containsKey(id) || this.elementVisibility.get(id)) return true;
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return false;
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}
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public void setProperties(Map<String, Object> properties) {
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this.properties = properties;
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this.properties.entrySet().stream()
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.filter(stringObjectEntry -> stringObjectEntry.getValue() instanceof String && ((String) stringObjectEntry.getValue()).startsWith("[") && ((String) stringObjectEntry.getValue()).endsWith("]")).forEach(stringObjectEntry -> {
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stringObjectEntry.setValue(parseArray((String) stringObjectEntry.getValue()));
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});
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}
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private List<String> parseArray(String original) {
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String parsed = original.replace("[", "").replace("\"", "").replace("]", "");
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return Arrays.asList(parsed.split(","));
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}
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public void buildVisibilityContext(List<Rule> sources) {
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this.visibilityContext = new VisibilityContext();
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this.visibilityContext.buildVisibilityContext(sources);
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this.visibilityContext.getVisibilityRules().forEach(item-> this.evaluateVisibility(item));
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}
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private void evaluateVisibility(VisibilityRule rule) {
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List<VisibilityRuleSource> sources = rule.getVisibilityRuleSources();
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for(int i = 0; i < sources.size(); i++){
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if (properties.containsKey(sources.get(i).getVisibilityRuleSourceId()) && (isContained(properties.get(sources.get(i).getVisibilityRuleSourceId()), sources.get(i).getVisibilityRuleSourceValue()) || properties.get(sources.get(i).getVisibilityRuleSourceId()).equals(sources.get(i).getVisibilityRuleSourceValue()))) {
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this.elementVisibility.put(rule.getVisibilityRuleTargetId(), true);
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}else{
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this.elementVisibility.put(rule.getVisibilityRuleTargetId(), false);
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return;
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}
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}
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}
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private Boolean isContained(Object values, String source) {
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if (values instanceof List) {
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return ((Collection<?>) values).contains(source);
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}
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return false;
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}
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}
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