Merge remote-tracking branch 'origin/csv-import' into feature-orga-csv

# Conflicts:
#	src/main/java/mops/gruppen2/controller/APIController.java
#	src/main/resources/templates/create.html

build.gradle

@@ -68,6 +68,7 @@ dependencies {
 	implementation 'io.springfox:springfox-swagger2:2.9.2'
 	implementation 'io.springfox:springfox-swagger-ui:2.9.2'
 	implementation 'com.github.javafaker:javafaker:1.0.2'
+	implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-csv:2.10.2'
 
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'

src/main/java/mops/gruppen2/controller/APIController.java

@@ -13,7 +13,10 @@ import mops.gruppen2.service.GroupService;
 import mops.gruppen2.service.SerializationService;
 import org.springframework.security.access.annotation.Secured;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.List;
 
 /**
@@ -59,4 +62,14 @@ public class APIController {
         List<Group> groups = groupService.projectEventList(eventList);
         return groups.get(0);
     }
+
+    @PostMapping(value = "/uploadcsv", consumes = "text/csv")
+    public void uploadCsv(@RequestBody InputStream body) throws IOException {
+        System.out.println(CsvService.read(body));
+    }
+
+    @PostMapping(value = "/uploadcsv", consumes = "multipart/form-data")
+    public void uploadMultipart(@RequestParam("file") MultipartFile file) throws IOException {
+        System.out.println(CsvService.read(file.getInputStream()));
+    }
 }

src/main/java/mops/gruppen2/domain/User.java

@@ -3,10 +3,11 @@ package mops.gruppen2.domain;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
-import lombok.Value;
+import lombok.NoArgsConstructor;
 
-@Value
+@Data
 @AllArgsConstructor
+@NoArgsConstructor
 @EqualsAndHashCode(exclude = {"givenname", "familyname", "email"})
 public class User {
     String user_id;

src/main/java/mops/gruppen2/service/CsvService.java

@@ -0,0 +1,22 @@
+package mops.gruppen2.service;
+
+import com.fasterxml.jackson.databind.ObjectReader;
+import com.fasterxml.jackson.dataformat.csv.CsvMapper;
+import com.fasterxml.jackson.dataformat.csv.CsvSchema;
+import mops.gruppen2.domain.User;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+public class CsvService {
+
+    public static List<User> read(InputStream stream) throws IOException {
+        CsvMapper mapper = new CsvMapper();
+
+        CsvSchema schema = mapper.schemaFor(User.class).withHeader().withColumnReordering(true);
+        ObjectReader reader = mapper.readerFor(User.class).with(schema);
+
+        return reader.<User>readValues(stream).readAll();
+    }
+}