com.reprezen.genflow.rapidml.nodejs.CustomCodeGenerator Maven / Gradle / Ivy

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package com.reprezen.genflow.rapidml.nodejs;

import com.reprezen.genflow.api.GenerationException;
import com.reprezen.genflow.rapidml.nodejs.NodejsGenerator;
import com.reprezen.rapidml.CollectionResource;
import com.reprezen.rapidml.HTTPMethods;
import com.reprezen.rapidml.Method;
import com.reprezen.rapidml.ResourceDefinition;
import com.reprezen.rapidml.ServiceDataResource;
import com.reprezen.rapidml.Structure;
import com.reprezen.rapidml.TypedResponse;
import com.reprezen.rapidml.URI;
import org.eclipse.emf.common.util.EList;
import org.eclipse.xtend2.lib.StringConcatenation;

@SuppressWarnings("all")
public class CustomCodeGenerator implements NodejsGenerator.Generator {
  private final ServiceDataResource resource;
  
  public CustomCodeGenerator(final ServiceDataResource resource) {
    this.resource = resource;
  }
  
  @Override
  public String generate() throws GenerationException {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("const CustomImpl = require(\'../../../lib/CustomImpl\');");
    _builder.newLine();
    _builder.newLine();
    _builder.append("class ");
    String _name = this.resource.getName();
    _builder.append(_name);
    _builder.append("Impl extends CustomImpl {");
    _builder.newLineIfNotEmpty();
    {
      EList _methods = this.resource.getMethods();
      boolean _hasElements = false;
      for(final Method method : _methods) {
        if (!_hasElements) {
          _hasElements = true;
        } else {
          _builder.appendImmediate("\n", "\t");
        }
        _builder.append("\t");
        _builder.append("// ");
        HTTPMethods _httpMethod = method.getHttpMethod();
        _builder.append(_httpMethod, "\t");
        _builder.append(" ");
        String _expressify = this.expressify(this.resource.getURI());
        _builder.append(_expressify, "\t");
        _builder.newLineIfNotEmpty();
        {
          EList _responses = method.getResponses();
          for(final TypedResponse response : _responses) {
            _builder.append("\t");
            _builder.append("// ");
            String _status = this.getStatus(response);
            _builder.append(_status, "\t");
            _builder.append(" => ");
            CharSequence _type = this.getType(response);
            _builder.append(_type, "\t");
            _builder.append(" ");
            _builder.newLineIfNotEmpty();
          }
        }
        _builder.append("\t");
        String _name_1 = method.getName();
        _builder.append(_name_1, "\t");
        _builder.append("(dao, enrichments, req, res, next) {");
        _builder.newLineIfNotEmpty();
        _builder.append("\t");
        _builder.append("\t");
        _builder.append("res.status(500).send(\"Method not implemented\");");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
      }
    }
    _builder.append("}");
    _builder.newLine();
    _builder.newLine();
    _builder.append("module.exports = ");
    String _name_2 = this.resource.getName();
    _builder.append(_name_2);
    _builder.append("Impl; ");
    _builder.newLineIfNotEmpty();
    return _builder.toString();
  }
  
  private String getStatus(final TypedResponse response) {
    return String.format("%03d", Integer.valueOf(response.getStatusCode()));
  }
  
  private CharSequence getType(final TypedResponse response) {
    CharSequence _xblockexpression = null;
    {
      Structure _elvis = null;
      ResourceDefinition _resourceType = response.getResourceType();
      Structure _dataType = null;
      if (((ServiceDataResource) _resourceType)!=null) {
        _dataType=((ServiceDataResource) _resourceType).getDataType();
      }
      if (_dataType != null) {
        _elvis = _dataType;
      } else {
        Structure _dataType_1 = response.getDataType();
        _elvis = _dataType_1;
      }
      final Structure struct = _elvis;
      CharSequence _xifexpression = null;
      if ((struct != null)) {
        CharSequence _xblockexpression_1 = null;
        {
          String _xifexpression_1 = null;
          if (((response.getResourceType() != null) && 
            (response.getResourceType() instanceof CollectionResource))) {
            _xifexpression_1 = "*";
          } else {
            _xifexpression_1 = "";
          }
          final String card = _xifexpression_1;
          String _xifexpression_2 = null;
          ResourceDefinition _resourceType_1 = response.getResourceType();
          boolean _tripleNotEquals = (_resourceType_1 != null);
          if (_tripleNotEquals) {
            StringConcatenation _builder = new StringConcatenation();
            _builder.append(" ");
            _builder.append("as ");
            String _name = response.getResourceType().getName();
            _builder.append(_name, " ");
            _xifexpression_2 = _builder.toString();
          } else {
            _xifexpression_2 = "";
          }
          final String res = _xifexpression_2;
          StringConcatenation _builder_1 = new StringConcatenation();
          String _name_1 = struct.getName();
          _builder_1.append(_name_1);
          _builder_1.append(card);
          _builder_1.append(res);
          _xblockexpression_1 = _builder_1;
        }
        _xifexpression = _xblockexpression_1;
      } else {
        _xifexpression = "no response data";
      }
      _xblockexpression = _xifexpression;
    }
    return _xblockexpression;
  }
  
  private String expressify(final URI uri) {
    return uri.toString().replaceAll("/\\{([^/]+)\\}((?=/)|$)", "/:$1");
  }
}