feat: support single document deletion (#9)

https://coveord.atlassian.net/browse/CDX-433

Author: olamothe

src/main/java/com/coveo/pushapiclient/PlatformClient.java

@@ -126,8 +126,17 @@ public HttpResponse<String> pushDocument(String sourceId, String documentJSON, S
         return this.httpClient.send(request, HttpResponse.BodyHandlers.ofString());
     }
 
-    public void deleteDocument(String sourceId, String documentId, Boolean deleteChildren) {
-        // TODO
+    public HttpResponse<String> deleteDocument(String sourceId, String documentId, Boolean deleteChildren) throws IOException, InterruptedException {
+        String[] headers = this.getHeaders(this.getAuthorizationHeader(), this.getContentTypeApplicationJSONHeader());
+        URI uri = URI.create(this.getBasePushURL() + String.format("/sources/%s/documents?documentId=%s&deleteChildren=%s", sourceId, documentId, deleteChildren));
+
+        HttpRequest request = HttpRequest.newBuilder()
+                .headers(headers)
+                .DELETE()
+                .uri(uri)
+                .build();
+
+        return this.httpClient.send(request, HttpResponse.BodyHandlers.ofString());
     }
 
     public HttpResponse<String> createFileContainer() throws IOException, InterruptedException {

src/main/java/com/coveo/pushapiclient/Source.java

@@ -40,6 +40,10 @@ public HttpResponse<String> addOrUpdateDocument(String sourceId, DocumentBuilder
         return this.platformClient.pushDocument(sourceId, docBuilder.marshal(), docBuilder.getDocument().uri);
     }
 
+    public HttpResponse<String> deleteDocument(String sourceId, String documentId, Boolean deleteChildren) throws IOException, InterruptedException {
+        return this.platformClient.deleteDocument(sourceId, documentId, deleteChildren);
+    }
+    
     public HttpResponse<String> batchUpdateDocuments(String sourceId, BatchUpdate batchUpdate) throws IOException, InterruptedException {
         HttpResponse<String> resFileContainer = this.platformClient.createFileContainer();
         FileContainer fileContainer = new Gson().fromJson(resFileContainer.body(), FileContainer.class);

src/main/java/com/coveo/testlocally/TestingLocally.java

@@ -36,7 +36,7 @@ public static void testPushDocument(String sourceId, Source source) {
             put("my_field_3", 1234);
             put("my_field_4", new String[]{"a", "b", "c"});
         }});
-         DocumentBuilder docWithSecurity = new DocumentBuilder("https://perdu.com/2", "the title 2")
+        DocumentBuilder docWithSecurity = new DocumentBuilder("https://perdu.com/2", "the title 2")
                 .withData("this is searchable also")
                 .withAllowAnonymousUsers(false)
                 .withAllowedPermissions(new UserSecurityIdentityBuilder("[email protected]"))
@@ -52,10 +52,18 @@ public static void testPushDocument(String sourceId, Source source) {
         }
 
         try {
-            source.addOrUpdateDocument(sourceId, simpleDoc);
-            source.addOrUpdateDocument(sourceId, docWithMetadata);
-            source.batchUpdateDocuments(sourceId, new BatchUpdate(docToAdd, docToRemove));
-            source.addOrUpdateDocument(sourceId, docWithSecurity);
+            HttpResponse<String> resAddSimpleDoc = source.addOrUpdateDocument(sourceId, simpleDoc);
+            HttpResponse<String> resAddOrUpdateMetadata = source.addOrUpdateDocument(sourceId, docWithMetadata);
+            HttpResponse<String> resDelete = source.deleteDocument(sourceId, simpleDoc.getDocument().uri, true);
+            HttpResponse<String> resBatch = source.batchUpdateDocuments(sourceId, new BatchUpdate(docToAdd, docToRemove));
+
+
+            System.out.println(resAddSimpleDoc.statusCode());
+            System.out.println(resAddOrUpdateMetadata.statusCode());
+            System.out.println(resDelete.statusCode());
+            System.out.println(resBatch.statusCode());
+
+
         } catch (IOException | InterruptedException e) {
             System.out.println(e);
         }