package fr.adrienbrault.idea.symfony2plugin.doctrine;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.patterns.PlatformPatterns;
import com.intellij.psi.PsiElement;
import com.jetbrains.php.PhpIndex;
import com.jetbrains.php.lang.parser.PhpElementTypes;
import com.jetbrains.php.lang.psi.elements.Method;
import com.jetbrains.php.lang.psi.elements.MethodReference;
import com.jetbrains.php.lang.psi.elements.PhpClass;
import com.jetbrains.php.lang.psi.elements.PhpNamedElement;
import com.jetbrains.php.lang.psi.resolve.types.PhpTypeProvider2;
import fr.adrienbrault.idea.symfony2plugin.Settings;
import fr.adrienbrault.idea.symfony2plugin.Symfony2InterfacesUtil;
import fr.adrienbrault.idea.symfony2plugin.util.PhpTypeProviderUtil;
import org.jetbrains.annotations.Nullable;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
/**
* @author Daniel Espendiller <daniel@espendiller.net>
*/
public class ObjectRepositoryResultTypeProvider implements PhpTypeProvider2 {
final static char TRIM_KEY = '\u0180';
@Override
public char getKey() {
return '\u0152';
}
@Nullable
@Override
public String getType(PsiElement e) {
if (DumbService.getInstance(e.getProject()).isDumb() || !Settings.getInstance(e.getProject()).pluginEnabled || !Settings.getInstance(e.getProject()).objectRepositoryResultTypeProvider) {
return null;
}
// filter out method calls without parameter
// $this->get('service_name')
if(!PlatformPatterns
.psiElement(PhpElementTypes.METHOD_REFERENCE)
.withChild(PlatformPatterns
.psiElement(PhpElementTypes.PARAMETER_LIST)
).accepts(e)) {
return null;
}
MethodReference methodRef = (MethodReference) e;
String refSignature = ((MethodReference)e).getSignature();
if(StringUtil.isEmpty(refSignature)) {
return null;
}
String methodRefName = methodRef.getName();
if(null == methodRefName || !Arrays.asList(new String[] {"find", "findOneBy", "findAll", "findBy"}).contains(methodRefName)) {
return null;
}
// at least one parameter is necessary on some finds
PsiElement[] parameters = methodRef.getParameters();
if(!methodRefName.equals("findAll")) {
if(parameters.length == 0) {
return null;
}
} else if(parameters.length != 0) {
return null;
}
// we can get the repository name from the signature calls
// #M#?#M#?#M#C\Foo\Bar\Controller\BarController.get?doctrine.getRepository?EntityBundle:User.find
String repositorySignature = methodRef.getSignature();
int lastRepositoryName = repositorySignature.lastIndexOf(ObjectManagerFindTypeProvider.TRIM_KEY);
if(lastRepositoryName == -1) {
return null;
}
repositorySignature = repositorySignature.substring(lastRepositoryName);
int nextMethodCall = repositorySignature.indexOf('.' + methodRefName);
if(nextMethodCall == -1) {
return null;
}
repositorySignature = repositorySignature.substring(1, nextMethodCall);
return refSignature + TRIM_KEY + repositorySignature;
}
@Override
public Collection<? extends PhpNamedElement> getBySignature(String expression, Project project) {
// get back our original call
int endIndex = expression.lastIndexOf(TRIM_KEY);
if(endIndex == -1) {
return Collections.emptySet();
}
String originalSignature = expression.substring(0, endIndex);
String parameter = expression.substring(endIndex + 1);
// search for called method
PhpIndex phpIndex = PhpIndex.getInstance(project);
Collection<? extends PhpNamedElement> phpNamedElementCollections = phpIndex.getBySignature(originalSignature, null, 0);
if(phpNamedElementCollections.size() == 0) {
return Collections.emptySet();
}
Method method = (Method) phpNamedElementCollections.iterator().next();
if (!new Symfony2InterfacesUtil().isObjectRepositoryCall(method)) {
return Arrays.asList(method);
}
// we can also pipe php references signatures and resolve them here
// overwrite parameter to get string value
parameter = PhpTypeProviderUtil.getResolvedParameter(phpIndex, parameter);
if(parameter == null) {
return phpNamedElementCollections;
}
PhpClass phpClass = EntityHelper.resolveShortcutName(project, parameter);
if(phpClass == null) {
return phpNamedElementCollections;
}
if(method.getName().equals("findAll") || method.getName().equals("findBy")) {
method.getType().add(phpClass.getFQN() + "[]");
return phpNamedElementCollections;
}
return Arrays.asList(phpClass);
}
}