Add division import

src/main/java/nl/tudelft/portal/controller/DivisionController.java

@@ -25,12 +25,17 @@ import nl.tudelft.labracore.api.ModuleControllerApi;
 import nl.tudelft.labracore.api.ModuleDivisionControllerApi;
 import nl.tudelft.labracore.api.StudentGroupControllerApi;
 import nl.tudelft.labracore.api.dto.*;
+import nl.tudelft.portal.enums.DivisionImportError;
+import nl.tudelft.portal.helper.ImportErrorMap;
+import nl.tudelft.portal.service.DivisionService;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
 @Controller
 @RequestMapping("division")
@@ -45,6 +50,9 @@ public class DivisionController {
 	@Autowired
 	private StudentGroupControllerApi groupApi;
 
+	@Autowired
+	private DivisionService divisionService;
+
 	/**
 	 * Gets a dvision.
 	 *
@@ -108,4 +116,28 @@ public class DivisionController {
 		return "redirect:/module/" + moduleId;
 	}
 
+	/**
+	 * Imports people to a division from a file.
+	 *
+	 * @param  moduleId           The id of the module
+	 * @param  file               The file from which to import
+	 * @param  createUsers        Whether to create non-existent users
+	 * @param  redirectAttributes The attributes passed to the redirected page
+	 * @return                    The page to be loaded
+	 */
+	@PostMapping("import/{moduleId}")
+	@PreAuthorize("@authorisationService.hasModuleEditionAccess(#moduleId)")
+	public String importDivision(@PathVariable Long moduleId,
+			@RequestParam("file") MultipartFile file,
+			@RequestParam(value = "createUsers", required = false, defaultValue = "false") boolean createUsers,
+			RedirectAttributes redirectAttributes) {
+		ImportErrorMap<DivisionImportError> errors = divisionService.importDivision(moduleId, file,
+				createUsers);
+		if (!errors.isEmpty()) {
+			redirectAttributes.addAttribute("error", String.join("\n", errors.toErrorDescriptions()));
+		}
+
+		return "redirect:/module/{moduleId}";
+	}
+
 }