/// <summary>
/// JavaGenerator constructor
/// </summary>
/// <param name="model">Model representing metadata</param>
public JavaGenerator(IEdmModel model)
{
CommonGenerator = new CommonGenerator(model);
}
/// <summary>
/// Formulates the requested Graph snippets and returns it as string for JavaScript
/// </summary>
/// <param name="snippetModel">Model of the Snippets info <see cref="SnippetModel"/></param>
/// <param name="languageExpressions">The language expressions to be used for code Gen</param>
/// <returns>String of the snippet in Javascript code</returns>
public static string GenerateCodeSnippet(SnippetModel snippetModel, LanguageExpressions languageExpressions)
{
try
{
var snippetBuilder = new StringBuilder();
snippetModel.ResponseVariableName = CommonGenerator.EnsureVariableNameIsNotReserved(snippetModel.ResponseVariableName, languageExpressions);
//setup the auth snippet section
snippetBuilder.Append("const options = {\r\n");
snippetBuilder.Append("\tauthProvider,\r\n};\r\n\r\n");
//init the client
snippetBuilder.Append("const client = Client.init(options);\r\n\r\n");
if (snippetModel.Method == HttpMethod.Get)
{
//append any queries with the actions
snippetBuilder.Append($"let {snippetModel.ResponseVariableName} = ");
var getActions = CommonGenerator.GenerateQuerySection(snippetModel, languageExpressions) + "\r\n\t.get();";
snippetBuilder.Append(GenerateRequestSection(snippetModel, getActions));
}
else if (snippetModel.Method == HttpMethod.Post)
{
if (!string.IsNullOrEmpty(snippetModel.RequestBody))
{
snippetBuilder.Append(JavascriptGenerateObjectFromJson(snippetModel.RequestBody, snippetModel.ResponseVariableName));
snippetBuilder.Append(GenerateRequestSection(snippetModel, $"\r\n\t.post({snippetModel.ResponseVariableName});"));
}
else
{
snippetBuilder.Append(GenerateRequestSection(snippetModel, "\r\n\t.post();"));
}
}
else if (snippetModel.Method == HttpMethod.Patch)
{
if (string.IsNullOrEmpty(snippetModel.RequestBody))
{
throw new ArgumentException("No body present for PATCH method in Javascript");
}
snippetBuilder.Append(JavascriptGenerateObjectFromJson(snippetModel.RequestBody, snippetModel.ResponseVariableName));
snippetBuilder.Append(GenerateRequestSection(snippetModel, $"\r\n\t.update({snippetModel.ResponseVariableName});"));
}
else if (snippetModel.Method == HttpMethod.Delete)
{
snippetBuilder.Append(GenerateRequestSection(snippetModel, "\r\n\t.delete();"));
}
else if (snippetModel.Method == HttpMethod.Put)
{
if (string.IsNullOrEmpty(snippetModel.RequestBody))
{
throw new ArgumentException("No body present for PUT method in Javascript");
}
snippetBuilder.Append(JavascriptGenerateObjectFromJson(snippetModel.RequestBody, snippetModel.ResponseVariableName));
snippetBuilder.Append(GenerateRequestSection(snippetModel, $"\r\n\t.put({snippetModel.ResponseVariableName});"));
}
else
{
throw new NotImplementedException("HTTP method not implemented for Javascript");
}
return(snippetBuilder.ToString());
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}