Merge pull request #5 from 4-Image-Module/feature/#4-FetchLibrary

Feat: #4 fetch library

Author: CJ-1998

src/main/java/com/example/ImageModuleLibrary/Test/FetchLibraryTest.java

@@ -0,0 +1,39 @@
+package com.example.ImageModuleLibrary.Test;
+
+import com.example.ImageModuleLibrary.fetch.FetchLibrary;
+import java.util.List;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+@RestController
+@RequestMapping("/test/fetch")
+public class FetchLibraryTest {
+
+    private final RestTemplate restTemplate = new RestTemplate();
+    private final FetchLibrary fetchLibrary = new FetchLibrary(restTemplate);
+
+    @GetMapping
+    public String getOriginalCdnUrlTest(@RequestParam("id") String id) {
+        return fetchLibrary.getOriginalCdnUrl(id);
+    }
+
+    @GetMapping("/resize")
+    public String getResizedCdnUrlTest(@RequestParam("id") String id, @RequestParam("size") Integer size) {
+        return fetchLibrary.getResizedCdnUrl(id, size);
+    }
+
+    @GetMapping("/multi")
+    public List<String> getMultiOriginalCdnUrlTest(@RequestParam("id") List<String> id) {
+        return fetchLibrary.getMultiOriginalCdnUrl(id);
+    }
+
+
+    @GetMapping("/resize/multi")
+    public List<String> getMultiResizedCdnUrlTest(@RequestParam("id") List<String> id,
+                                                  @RequestParam("size") List<Integer> size) {
+        return fetchLibrary.getMultiResizedCdnUrl(id, size);
+    }
+}

src/main/java/com/example/ImageModuleLibrary/Test/UploadLibraryTest.java

@@ -0,0 +1,31 @@
+package com.example.ImageModuleLibrary.Test;
+
+import com.example.ImageModuleLibrary.upload.UploadLibrary;
+import java.io.IOException;
+import java.util.List;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.multipart.MultipartFile;
+
+@RestController
+@RequestMapping("/test/upload")
+public class UploadLibraryTest {
+
+    private final RestTemplate restTemplate = new RestTemplate();
+    private final UploadLibrary uploadLibrary = new UploadLibrary(restTemplate);
+
+    @PostMapping
+    public String uploadTest(@RequestParam("file") MultipartFile file) throws IOException {
+        return uploadLibrary.uploadImage(file, 100, 1);
+    }
+
+    @PostMapping("/multi")
+    public List<String> uploadTestMulti(@RequestParam("files") MultipartFile[] files) throws IOException {
+        Integer[] sizes = new Integer[]{100, 200};
+        Integer[] cachingTimes = new Integer[]{1, 2};
+        return uploadLibrary.uploadMultiImage(files, sizes, cachingTimes);
+    }
+}

src/main/java/com/example/ImageModuleLibrary/fetch/FetchLibrary.java

@@ -0,0 +1,51 @@
+package com.example.ImageModuleLibrary.fetch;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+public class FetchLibrary {
+    private final RestTemplate restTemplate;
+
+    private static final String FETCH_ORIGINAL_CDN_URL = "http://localhost:19091/fetch/cdnUrl";
+
+    public FetchLibrary(RestTemplate restTemplate) {
+        this.restTemplate = restTemplate;
+    }
+
+    public String getOriginalCdnUrl(String uuid) {
+        URI uri = UriComponentsBuilder.fromHttpUrl(FETCH_ORIGINAL_CDN_URL)
+                .queryParam("id", uuid).build().toUri();
+
+        return restTemplate.getForObject(uri, String.class);
+    }
+
+    public String getResizedCdnUrl(String uuid, Integer size) {
+        URI uri = UriComponentsBuilder.fromHttpUrl(FETCH_ORIGINAL_CDN_URL)
+                .queryParam("id", uuid)
+                .queryParam("size", size)
+                .build().toUri();
+
+        return restTemplate.getForObject(uri, String.class);
+    }
+
+    public List<String> getMultiOriginalCdnUrl(List<String> uuids) {
+        List<String> cdnUrls = new ArrayList<>();
+        for (String uuid : uuids) {
+            String cdnUrl = getOriginalCdnUrl(uuid);
+            cdnUrls.add(cdnUrl);
+        }
+        return cdnUrls;
+    }
+
+    public List<String> getMultiResizedCdnUrl(List<String> uuids, List<Integer> sizes) {
+        List<String> cdnUrls = new ArrayList<>();
+        for (int i = 0; i < uuids.size(); i++) {
+            String cdnUrl = getResizedCdnUrl(uuids.get(i), sizes.get(i));
+            cdnUrls.add(cdnUrl);
+        }
+        return cdnUrls;
+    }
+}