peer-at-code-backend/src/dev/peerat/backend/bonus/extract/RouteExtracter.java
2023-09-13 23:48:14 +02:00

131 lines
4.2 KiB
Java

package dev.peerat.backend.bonus.extract;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import dev.peerat.backend.model.PeerAtUser;
import dev.peerat.framework.RequestType;
import dev.peerat.framework.Response;
import dev.peerat.framework.Route;
import dev.peerat.framework.RouteMapper;
import dev.peerat.framework.Router;
import dev.peerat.framework.utils.json.JsonArray;
import dev.peerat.framework.utils.json.JsonMap;
public class RouteExtracter {
private Router<PeerAtUser> router;
public RouteExtracter(Router<PeerAtUser> router){
this.router = router;
}
public void extract() throws Exception{
RouteMapper[] mappers = getField(Router.class, router, "mappers");
for(RequestType type : RequestType.values()){
RouteMapper mapper = mappers[type.ordinal()];
Response[] responses = getField(RouteMapper.class, mapper, "responses");
Route[] routes = getField(RouteMapper.class, mapper, "routes");
synchronized (responses){
for(int i = 0; i < responses.length; i++){
Route route = routes[i];
System.out.println("["+type+"] ("+route.needLogin()+") "+route.path());
}
}
}
}
public void extractDoc() throws Exception{
RouteMapper[] mappers = getField(Router.class, router, "mappers");
for(RequestType type : RequestType.values()){
RouteMapper mapper = mappers[type.ordinal()];
Response[] responses = getField(RouteMapper.class, mapper, "responses");
synchronized (responses){
for(int i = 0; i < responses.length; i++){
Response response = responses[i];
Method method = response.getClass().getDeclaredMethod("exec",
Response.class.getDeclaredMethods()[0].getParameterTypes());
for(RouteDoc doc : method.getDeclaredAnnotationsByType(RouteDoc.class)){
System.out.println(doc.path()+((doc.path().isEmpty() ? "":"\n"))+" ["+doc.responseCode()+"] "+doc.responseDescription());
}
}
}
}
}
public JsonMap swagger(String host) throws Exception{
JsonMap result = new JsonMap();
result.set("swagger","2.0");
JsonMap info = new JsonMap();
info.set("title", "Peer-at-code backend api routes");
info.set("description", "Using Peer-at Code Framework");
result.set("info", info);
result.set("host", host);
result.set("basePath","/");
List<Response> routes = new ArrayList<>();
RouteMapper[] mappers = getField(Router.class, router, "mappers");
for(RequestType type : RequestType.values()){
RouteMapper mapper = mappers[type.ordinal()];
Response[] responses = getField(RouteMapper.class, mapper, "responses");
synchronized (responses){
routes.addAll(Arrays.asList(responses));
}
}
Set<String> packages = new HashSet<>();
for(Response response : routes){
String name = response.getClass().getPackage().getName();
name = name.substring(name.lastIndexOf('.')+1, name.length());
packages.add(name);
}
JsonArray tags = new JsonArray();
for(String tag : packages){
JsonMap current = new JsonMap();
current.set("name", tag);
tags.add(current);
}
result.set("tags", tags);
JsonArray schemes = new JsonArray();
schemes.add("https");
result.set("schemes", schemes);
JsonMap paths = new JsonMap();
for(Response response : routes){
Method method = response.getClass().getDeclaredMethod("exec",
Response.class.getDeclaredMethods()[0].getParameterTypes());
Route route = method.getDeclaredAnnotation(Route.class);
RouteDoc[] docs = method.getDeclaredAnnotationsByType(RouteDoc.class);
if(docs.length < 1) continue;
RouteDoc base = docs[0];
JsonMap current = new JsonMap();
JsonMap data = new JsonMap();
JsonArray tag = new JsonArray();
String pack = response.getClass().getPackage().getName();
pack = pack.substring(pack.lastIndexOf('.')+1, pack.length());
tag.add(pack);
data.set("tags", tag);
current.set(route.type().toString().toLowerCase(), data);
paths.set(base.path(), current);
}
result.set("paths", paths);
return result;
}
private <E> E getField(Class<?> clazz, Object instance, String name) throws Exception{
Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
return (E) field.get(instance);
}
}