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2023-08-08 15:41:08 +00:00
parent 96b18ad5ff
commit deb989e45b
4 changed files with 172 additions and 153 deletions
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server/api/defs.ts
+153 -29
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@@ -6,46 +6,164 @@ import {
type ValidatorOptions,
} from "class-validator";
import { type ClassTransformOptions, plainToInstance } from "class-transformer";
import { InvalidProc, ProcDecorator, ProcDecoratorChain, ResolveChain } from './ProcDecorator/base';
import { clamp } from 'lodash-es';
export type APINamespace = {
[key: string]: APINamespace
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<GET<any, any, any>>
| ClassType<GET<any, any, any, any>>
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<POST<any, any, any>>
| ClassType<POST<any, any, any, any>>
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<PUT<any, any, any>>
| ClassType<PUT<any, any, any, any>>
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<DELETE<any, any, any>>
| ClassType<DELETE<any, any, any, any>>
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<PATCH<any, any, any>>
| ClassType<PATCH<any, any, any, any>>
// eslint-disable-next-line @typescript-eslint/no-explicit-any
| ClassType<HEAD<any, any, any>>
| ClassType<HEAD<any, any, any, any>>
;
}
type ValidatorType<T> = T extends undefined ? undefined : ClassType<T>;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export type AnyAPIExecuter = APIExecuter<any, any, any>;
export type AnyAPIExecuter = APIExecuter<any, any, any, any>;
export abstract class APIExecuter<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType>{
export abstract class APIExecuter<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain = ProcDecoratorChain>{
readonly abstract reqType: HttpMethod;
readonly abstract argValidator?: ValidatorType<Q>;
protected abstract parseQuery(expressReq: Request): Promise<Q>;
protected abstract api(query: Q, expressReq: Request, expressRes: Response): Promise<R | E | true>;
public async run(expressReq: Request, expressRes: Response): Promise<void> {
const query = await this.parseQuery(expressReq);
//TODO: middleware (인증, 요구사항, 아마도 decorator)
const result = await this.api(query, expressReq, expressRes);
if (result === true) {
readonly abstract procDecorator: PD;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private preDecorator: ProcDecorator<any, any>[] = [];
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private postDecorator: (ProcDecorator<any, any> | undefined)[] = [];
private decoratorParsed = false;
public parseDecorator(): void {
if (this.decoratorParsed) {
return;
}
expressRes.json(result);
this.decoratorParsed = true;
if (!this.procDecorator) {
return;
}
for (const procGen of this.procDecorator) {
const proc = procGen();
if (Array.isArray(proc)) {
this.preDecorator.push(proc[0]);
this.postDecorator.push(undefined);
}
else {
this.preDecorator.push(proc);
this.postDecorator.push(proc);
}
}
}
private async preCtx(expressReq: Request, expressRes: Response): Promise<ResolveChain<PD> | [InvalidProc, ResolveChain<PD>, number]> {
if (!this.procDecorator) {
return {} as ResolveChain<PD>;
}
let ctx = {} as ResolveChain<PD>;
for (const [idx, proc] of this.preDecorator.entries()) {
try {
const result = await proc(ctx, expressReq, expressRes, true);
if ('invalidProcSymbol' in result) {
return [result, ctx, idx];
}
ctx = result;
}
catch (e) {
return [{
result: false,
reason: `internal error[${idx}]: ${e}`,
invalidProcSymbol: ['preCtx', idx],
}, ctx, idx];
}
}
return ctx;
}
private async postCtx(ctx: ResolveChain<PD>, expressReq: Request, expressRes: Response, index = -1): Promise<[InvalidProc, number] | undefined> {
if (!this.procDecorator) {
return;
}
let isValidRoute = true;
if(index !== -1 && index !== this.postDecorator.length){
isValidRoute = false;
index = clamp(index, 0, this.postDecorator.length);
}
for (let i = index - 1; i >= 0; i--) {
const proc = this.postDecorator[i];
if(!proc){
continue;
}
try {
const result = await proc(ctx, expressReq, expressRes, isValidRoute);
if ('invalidProcSymbol' in result) {
result.invalidProcSymbol = ['postCtx', i, result.invalidProcSymbol];
return [result, i];
}
ctx = result;
}
catch (e) {
return [{
result: false,
reason: `internal error[${i}]: ${e}`,
invalidProcSymbol: ['postCtx', i],
}, i];
}
}
return;
}
protected abstract parseQuery(expressReq: Request): Promise<Q>;
protected abstract api(query: Q, ctx: ResolveChain<PD>, expressReq: Request, expressRes: Response): Promise<R | E | true>;
public async run(expressReq: Request, expressRes: Response): Promise<void> {
const query = await this.parseQuery(expressReq);
const ctx = await this.preCtx(expressReq, expressRes);
if (Array.isArray(ctx)) {
const [invalidProc, errCtx, idx] = ctx;
if (idx == 0){
expressRes.json(invalidProc);
return;
}
const result = await this.postCtx(errCtx, expressReq, expressRes, idx);
if (result === undefined) {
expressRes.json(invalidProc);
return;
}
const [postInvalidProc,] = result;
expressRes.json(postInvalidProc);
return;
}
const result = await this.api(query, ctx, expressReq, expressRes);
const postResult = await this.postCtx(ctx, expressReq, expressRes);
if (postResult !== undefined) {
if(result === true){
//NOTE: 이미 api에서 response를 보낸 특이 케이스.
return;
}
const [invalidProc,] = postResult;
invalidProc.alreadyProcessed = true;
expressRes.json(invalidProc);
return;
}
if (result !== true) {
expressRes.json(result);
}
}
}
export abstract class APIBodyParseExecuter<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIExecuter<R, E, Q>{
export abstract class APIBodyParseExecuter<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIExecuter<R, E, Q, PD>{
protected async parseQuery(expressReq: Request): Promise<Q> {
if (!this.argValidator) {
@@ -63,7 +181,7 @@ export abstract class APIBodyParseExecuter<R extends ValidResponse, E extends In
}
}
export abstract class GET<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIExecuter<R, E, Q>{
export abstract class GET<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain = []> extends APIExecuter<R, E, Q, PD>{
override readonly reqType = 'get';
protected async parseQuery(expressReq: Request): Promise<Q> {
if (!this.argValidator) {
@@ -81,23 +199,23 @@ export abstract class GET<R extends ValidResponse, E extends InvalidResponse, Q
}
}
export abstract class POST<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIBodyParseExecuter<R, E, Q>{
export abstract class POST<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIBodyParseExecuter<R, E, Q, PD>{
readonly reqType = 'post';
}
export abstract class PUT<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIBodyParseExecuter<R, E, Q>{
export abstract class PUT<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIBodyParseExecuter<R, E, Q, PD>{
readonly reqType = 'put';
}
export abstract class DELETE<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIBodyParseExecuter<R, E, Q>{
export abstract class DELETE<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIBodyParseExecuter<R, E, Q, PD>{
readonly reqType = 'delete';
}
export abstract class PATCH<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIBodyParseExecuter<R, E, Q>{
export abstract class PATCH<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIBodyParseExecuter<R, E, Q, PD>{
readonly reqType = 'patch';
}
export abstract class HEAD<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType> extends APIBodyParseExecuter<R, E, Q>{
export abstract class HEAD<R extends ValidResponse, E extends InvalidResponse, Q extends RawArgType, PD extends ProcDecoratorChain> extends APIBodyParseExecuter<R, E, Q, PD>{
readonly reqType = 'head';
}
@@ -120,12 +238,18 @@ export function raiseError(reason: string, recovery?: recoveryMethod): InvalidRe
export type ClassType<T> = new (...args: any[]) => T;
export type APIServerType<T extends Callable> =
T extends GetAPICallT<infer Q, infer R, infer E> ? ClassType<GET<R, E, Q>> :
T extends PostAPICallT<infer Q, infer R, infer E> ? ClassType<POST<R, E, Q>> :
T extends PutAPICallT<infer Q, infer R, infer E> ? ClassType<PUT<R, E, Q>> :
T extends DeleteAPICallT<infer Q, infer R, infer E> ? ClassType<DELETE<R, E, Q>> :
T extends PatchAPICallT<infer Q, infer R, infer E> ? ClassType<PATCH<R, E, Q>> :
T extends HeadAPICallT<infer Q, infer R, infer E> ? ClassType<HEAD<R, E, Q>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends GetAPICallT<infer Q, infer R, infer E> ? ClassType<GET<R, E, Q, any>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends PostAPICallT<infer Q, infer R, infer E> ? ClassType<POST<R, E, Q, any>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends PutAPICallT<infer Q, infer R, infer E> ? ClassType<PUT<R, E, Q, any>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends DeleteAPICallT<infer Q, infer R, infer E> ? ClassType<DELETE<R, E, Q, any>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends PatchAPICallT<infer Q, infer R, infer E> ? ClassType<PATCH<R, E, Q, any>> :
// eslint-disable-next-line @typescript-eslint/no-explicit-any
T extends HeadAPICallT<infer Q, infer R, infer E> ? ClassType<HEAD<R, E, Q, any>> :
never;
export type APINamespaceType<T extends DefAPINamespace> = {
[K in keyof T]: