Add Random Image
This commit is contained in:
2
src/dto
2
src/dto
Submodule src/dto updated: 12938c8125...78d9d15d64
@@ -1,50 +1,115 @@
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import { BadRequestException, Controller, Get, Header, Inject, Param, Res } from "@nestjs/common";
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import { GalerieService } from "./galerie.service";
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import sharp from "sharp";
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import path from "path";
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import { Controller, Get, Header, Inject, Param, Res } from '@nestjs/common';
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import { GalerieService } from './galerie.service';
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import sharp from 'sharp';
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import path from 'path';
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import { Args, Field, ObjectType, Query, Resolver } from '@nestjs/graphql';
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import { JahrMitBild } from 'src/dto/galerie.dto';
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@Controller('/api/galerie')
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export class GalerieController {
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constructor(
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@Inject()
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private readonly galerieService: GalerieService
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){}
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private readonly galerieService: GalerieService,
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) {}
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@Get("/bilder/:event/:jahr")
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@Get('/bilder/:event/:jahr')
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async getBilder(
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@Param("event")
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event: string,
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@Param("jahr")
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jahr: string
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@Param('event') event: string,
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@Param('jahr') jahr: number,
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): Promise<string[]> {
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return this.galerieService.getBilder(event, jahr);
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}
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@Get("/jahre/:event")
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async getJahre(
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@Param("event")
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event: string
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): Promise<string[]> {
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@Get('/jahre/:event')
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async getJahre(@Param('event') event: string): Promise<JahrMitBild[]> {
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return this.galerieService.getJahre(event);
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}
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@Get("/bild/:event/:jahr/:bild")
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@Get('/bild/:event/:jahr/:bild')
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@Header('Content-Type', 'image/png')
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async getBild(
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@Param("event")
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@Param('event')
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event: string,
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@Param("jahr")
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jahr: string,
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@Param("bild")
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@Param('jahr')
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jahr: number,
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@Param('bild')
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bild: string,
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): Promise<Buffer> {
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const filePath="/bilder/"+path.basename(event)+"/"+path.basename(jahr)+"/"+path.basename(bild);
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const filePath =
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'/bilder/' +
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path.basename(event) +
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'/' +
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path.basename(jahr.toString()) +
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'/' +
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path.basename(bild);
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return sharp(filePath).png().toBuffer();
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}
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@Get('/randomimage/:event')
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@Header('Content-Type', 'image/png')
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async getRandomImageOhneJahr(
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@Param('event')
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event: string,
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): Promise<Buffer> {
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const jahr=await this.galerieService.getRandomYear(event)
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const filePath =
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'/bilder/' +
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path.basename(event) +
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'/' +
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jahr+
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'/' +
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await this.galerieService.getRandomImage(event,jahr)
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return sharp(filePath).png().toBuffer();
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}
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@Get('/randomimage/:event/:jahr')
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@Header('Content-Type', 'image/png')
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async getRandomImage(
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@Param('event')
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event: string,
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@Param('jahr')
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jahr: number,
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): Promise<Buffer> {
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const filePath =
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'/bilder/' +
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path.basename(event) +
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'/' +
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path.basename(jahr.toString()) +
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'/' +
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await this.galerieService.getRandomImage(event,jahr)
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return sharp(filePath).png().toBuffer();
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}
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}
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@Resolver()
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export class GalerieResolver {
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constructor(private readonly galerieService: GalerieService) {}
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@Query(() => [String])
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async getBilder(
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@Args('event', { type: () => String }) event: string,
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@Args('jahr', { type: () => Number }) jahr: number,
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): Promise<string[]> {
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return this.galerieService.getBilder(event, jahr);
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}
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@Query(() => [JahrMitBildEntity])
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async bilder(
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@Args('event', { type: () => String }) event: string,
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): Promise<JahrMitBildEntity[]> {
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return this.galerieService.getJahre(event);
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}
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}
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@ObjectType()
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export class JahrMitBildEntity implements JahrMitBild {
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@Field(() => Number)
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jahr: number;
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@Field(() => [String])
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bild: string[];
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constructor(jahr: number, bild: string[]) {
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this.jahr = jahr;
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this.bild = bild;
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}
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}
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@@ -1,6 +1,6 @@
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import { Module } from '@nestjs/common';
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import { TypeOrmModule } from '@nestjs/typeorm';
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import { GalerieController } from './galerie.controller';
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import { GalerieController, GalerieResolver } from './galerie.controller';
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import { GalerieService } from './galerie.service';
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@Module({
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@@ -11,7 +11,7 @@ import { GalerieService } from './galerie.service';
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GalerieController
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],
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providers: [
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GalerieService, GalerieController
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GalerieService, GalerieResolver
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]
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})
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export class GalerieModule {}
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@@ -1,6 +1,7 @@
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import { Injectable } from "@nestjs/common";
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import { promises as fs } from 'fs';
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import * as path from 'path';
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import { JahrMitBild } from "src/dto/galerie.dto";
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@Injectable()
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export class GalerieService {
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@@ -11,9 +12,9 @@ export class GalerieService {
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async getBilder(
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event: string,
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jahr: string
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jahr: number
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): Promise<string[]> {
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const files= await fs.readdir(path.join(this.imagesPath,event, jahr));
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const files= await fs.readdir(path.join(this.imagesPath,event, jahr.toString()));
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// Nur Bilddateien filtern
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const imageFiles = files.filter(file =>
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@@ -25,25 +26,36 @@ export class GalerieService {
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async getJahre(
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event: string
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): Promise<string[]> {
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const files= await fs.readdir(path.join(this.imagesPath,event));
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): Promise<JahrMitBild[]> {
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const files= await fs.readdir(path.join(this.imagesPath,event).toString());
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// Nur Verzeichnisse filtern (Jahre)
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const directories: string[] = [];
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const directories: JahrMitBild[] = [];
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for (const file of files) {
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const filePath = path.join(this.imagesPath, event, file);
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const stat = await fs.stat(filePath);
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if (stat.isDirectory()) {
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directories.push(file);
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directories.push(new JahrMitBild(parseInt(file), await this.getBilder(event,parseInt(file))));
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}
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}
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return directories;
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}
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async getBild(
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async getRandomImage(event: string, jahr: number): Promise<string>{
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const bilder=await this.getBilder(event,jahr);
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) {
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const index = Math.floor(Math.random() * bilder.length);
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return bilder[index];
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}
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async getRandomYear(event:string): Promise<number>{
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const jahre=(await this.getJahre(event)).map((jahr)=>jahr.jahr);
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const index = Math.floor(Math.random() * jahre.length);
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return jahre[index];
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}
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}
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