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/*
* @author lsy
* @date 2019-09-03
**/
import 'dart:convert';
import 'dart:core';
import 'dart:math';
import 'package:analyzer/dart/element/element.dart';
import 'package:build/src/builder/build_step.dart';
import 'package:gmalpha_flutter/Annotations/anno/ServiceCenter.dart';
import 'package:source_gen/source_gen.dart';
import '../RouterCenterRestore.dart';
class ServiceGenerator extends GeneratorForAnnotation<ServiceCenter> {
@override
generateForAnnotatedElement(
Element element, ConstantReader annotation, BuildStep buildStep) {
print("element is $element");
if (element is! ClassElement) {
throw InvalidGenerationSourceError(
"Request class is not ok for ${element.displayName}");
}
StringBuffer improtBuffer = new StringBuffer();
StringBuffer methodBuffer = StringBuffer("");
StringBuffer mapBuffer = new StringBuffer();
List<String> differentList = [];
for (var methodElement in (element as ClassElement).methods) {
for (var annometadata in methodElement.metadata) {
final metadata = annometadata.computeConstantValue();
if (metadata.type.name == "Post" || metadata.type.name == "Get") {
if (!differentList.contains(methodElement.returnType.name)) {
if(methodElement.returnType.name=="SimpleResponce"){
improtBuffer.write(
"import 'package:gmalpha_flutter/commonModel/net/Responce/SimpleResponce.dart';\n");
}else {
var pathSegments = buildStep.inputId.pathSegments;
StringBuffer path = new StringBuffer();
for (int i = 0; i < pathSegments.length; i++) {
if (i < pathSegments.length - 2 && pathSegments[i] != "lib") {
path.write("${pathSegments[i]}/");
}
}
improtBuffer.write(
"import 'package:${buildStep.inputId.package}/${path
.toString()}entity/${methodElement.returnType
.name}.dart\';\n");
}
differentList.add(methodElement.returnType.name);
}
String tempParams;
String sendType = metadata.type.name == "Post" ? "post" : "get";
mapBuffer.write("""
return Observable.fromFuture(DioUtil().${sendType}(\'${metadata.getField("sufUrl").toStringValue()}\'
""");
bool needMap = false;
for (int i = 0; i < methodElement.parameters.length; i++) {
var paramsMeta = methodElement.parameters[i];
for (int j = 0; j < paramsMeta.metadata.length; j++) {
var parameter = paramsMeta.metadata[j];
final queryAnno = parameter.computeConstantValue();
if (queryAnno.type.name == "Query") {
needMap = true;
if (tempParams == null) {
tempParams = "${paramsMeta}";
} else {
tempParams = "${tempParams},${paramsMeta}";
}
if(i==0){
mapBuffer.write(
",data:{\'${queryAnno.getField("params").toStringValue()}\':${paramsMeta.name}");
if(methodElement.parameters.length>1){
mapBuffer.write(",");
}else{
mapBuffer.write("}");
}
}else if (i == methodElement.parameters.length - 1) {
mapBuffer.write(
"\'${queryAnno.getField("params").toStringValue()}\':${paramsMeta.name}}");
} else {
mapBuffer.write(
"\'${queryAnno.getField("params").toStringValue()}\':${paramsMeta.name},");
}
}
}
}
//else{
// throw HttpException("RESPONCE error :\${value}");
// }
mapBuffer.write("))");
mapBuffer.write("""
.map((value){
if(value!=null&&value.statusCode==200){
Map map = json.decode(value.toString());
return ${methodElement.returnType.name}.fromJson(map);
}
});
""");
methodBuffer.write("""
Observable<${methodElement.returnType.name}> ${methodElement.name}(${tempParams == null ? "" : tempParams}){
${mapBuffer.toString()}
}
""");
mapBuffer.clear();
}
}
}
return """
import 'dart:convert';\n
import 'dart:io';\n
import 'package:rxdart/rxdart.dart';\n
${improtBuffer.toString()}
import 'package:gmalpha_flutter/commonModel/net/DioUtil.dart';\n
class ${element.displayName}Impl{
factory ${element.displayName}Impl() => _sharedInstance();
static ${element.displayName}Impl _instance;
${element.displayName}Impl._() {
}
static ${element.displayName}Impl _sharedInstance() {
if (_instance == null) {
_instance = ${element.displayName}Impl._();
}
return _instance;
}
${methodBuffer.toString()}
}
""";
}
}