Implemented bulk import of persons

src/main/java/de/iwomm/propify_api/controller/DataImportController.java

@@ -1,5 +1,6 @@
 package de.iwomm.propify_api.controller;
 
+import de.iwomm.propify_api.service.OrganizationImportService;
 import de.iwomm.propify_api.service.PersonImportService;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -13,9 +14,12 @@ import java.io.IOException;
 public class DataImportController {
 
     private final PersonImportService personImportService;
+    private final OrganizationImportService organizationImportService;
 
-    public DataImportController(PersonImportService personImportService) {
+    public DataImportController(PersonImportService personImportService,
+                                OrganizationImportService organizationImportService) {
         this.personImportService = personImportService;
+        this.organizationImportService = organizationImportService;
     }
 
     @PostMapping("/persons")
@@ -39,4 +43,26 @@ public class DataImportController {
                     .body("Unexpected error: " + e.getMessage());
         }
     }
+
+    @PostMapping("/organizations")
+    public ResponseEntity<?> importOrganizations(@RequestParam("file") MultipartFile file) {
+        if (file.isEmpty()) {
+            return ResponseEntity.badRequest().body("Please upload a file");
+        }
+
+        if (!file.getOriginalFilename().endsWith(".xlsx")) {
+            return ResponseEntity.badRequest().body("Only .xlsx files are supported");
+        }
+
+        try {
+            OrganizationImportService.ImportResult result = organizationImportService.importOrganizationsFromExcel(file);
+            return ResponseEntity.ok(result);
+        } catch (IOException e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("Error processing file: " + e.getMessage());
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("Unexpected error: " + e.getMessage());
+        }
+    }
 }

src/main/java/de/iwomm/propify_api/dto/OrganizationImportDTO.java

@@ -0,0 +1,84 @@
+package de.iwomm.propify_api.dto;
+
+import com.alibaba.excel.annotation.ExcelProperty;
+
+public class OrganizationImportDTO {
+    
+    @ExcelProperty(index = 0, value = "Organisation - Name")
+    private String name;
+    
+    @ExcelProperty(index = 1, value = "Organisation - Branche Intern")
+    private String industry;
+    
+    @ExcelProperty(index = 2, value = "Organisation - Label")
+    private String labels;
+    
+    @ExcelProperty(index = 3, value = "Organisation - Abgeschlossene Deals")
+    private String completedDeals;
+    
+    @ExcelProperty(index = 4, value = "Organisation - Offene Deals")
+    private String openDeals;
+    
+    @ExcelProperty(index = 5, value = "Organisation - Datum nächste Aktivität")
+    private String nextActivityDate;
+    
+    @ExcelProperty(index = 6, value = "Organisation - Besitzer")
+    private String owner;
+
+    // Getters and Setters
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getIndustry() {
+        return industry;
+    }
+
+    public void setIndustry(String industry) {
+        this.industry = industry;
+    }
+
+    public String getLabels() {
+        return labels;
+    }
+
+    public void setLabels(String labels) {
+        this.labels = labels;
+    }
+
+    public String getCompletedDeals() {
+        return completedDeals;
+    }
+
+    public void setCompletedDeals(String completedDeals) {
+        this.completedDeals = completedDeals;
+    }
+
+    public String getOpenDeals() {
+        return openDeals;
+    }
+
+    public void setOpenDeals(String openDeals) {
+        this.openDeals = openDeals;
+    }
+
+    public String getNextActivityDate() {
+        return nextActivityDate;
+    }
+
+    public void setNextActivityDate(String nextActivityDate) {
+        this.nextActivityDate = nextActivityDate;
+    }
+
+    public String getOwner() {
+        return owner;
+    }
+
+    public void setOwner(String owner) {
+        this.owner = owner;
+    }
+}

src/main/java/de/iwomm/propify_api/entity/Organization.java

@@ -18,6 +18,9 @@ public class Organization {
     @JoinColumn(name = "industry_id")
     private Industry industry;
 
+    @Column
+    private String owner;
+
     @Column(nullable = false)
     private LocalDateTime createdAt;
 
@@ -50,6 +53,14 @@ public class Organization {
         this.industry = industry;
     }
 
+    public String getOwner() {
+        return owner;
+    }
+
+    public void setOwner(String owner) {
+        this.owner = owner;
+    }
+
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }

src/main/java/de/iwomm/propify_api/entity/Person.java

@@ -1,4 +1,199 @@
 package de.iwomm.propify_api.entity;
 
-import jakarta.persistence.Entity;
+import jakarta.persistence.*;
+import java.time.LocalDateTime;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
 
+@Entity
+public class Person {
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    @Column(nullable = false)
+    private UUID id;
+
+    @Column
+    private String firstName;
+
+    @Column
+    private String lastName;
+
+    @Column
+    private String emailOffice;
+
+    @Column
+    private String emailPrivate;
+
+    @Column
+    private String emailOther;
+
+    @Column
+    private String phoneOfficeCountryCode;
+
+    @Column
+    private String phoneOfficeAreaCode;
+
+    @Column
+    private String phoneOfficeNumber;
+
+    @Column
+    private String phonePrivateCountryCode;
+
+    @Column
+    private String phonePrivateAreaCode;
+
+    @Column
+    private String phonePrivateNumber;
+
+    @Column
+    private String phoneMobile;
+
+    @Column(unique = true)
+    private String keycloakId;
+
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+
+    @PrePersist
+    protected void onCreate() {
+        this.createdAt = LocalDateTime.now();
+    }
+
+    @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
+    @JoinTable(
+        name = "person_labels",
+        joinColumns = @JoinColumn(name = "person_id"),
+        inverseJoinColumns = @JoinColumn(name = "label_id"),
+        foreignKey = @ForeignKey(name = "fk_person_labels_person", foreignKeyDefinition = "FOREIGN KEY (person_id) REFERENCES person(id) ON DELETE CASCADE")
+    )
+    private Set<PersonLabel> labels = new HashSet<>();
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getEmailOffice() {
+        return emailOffice;
+    }
+
+    public void setEmailOffice(String emailOffice) {
+        this.emailOffice = emailOffice;
+    }
+
+    public String getEmailPrivate() {
+        return emailPrivate;
+    }
+
+    public void setEmailPrivate(String emailPrivate) {
+        this.emailPrivate = emailPrivate;
+    }
+
+    public String getEmailOther() {
+        return emailOther;
+    }
+
+    public void setEmailOther(String emailOther) {
+        this.emailOther = emailOther;
+    }
+
+    public String getPhoneOfficeCountryCode() {
+        return phoneOfficeCountryCode;
+    }
+
+    public void setPhoneOfficeCountryCode(String phoneOfficeCountryCode) {
+        this.phoneOfficeCountryCode = phoneOfficeCountryCode;
+    }
+
+    public String getPhoneOfficeAreaCode() {
+        return phoneOfficeAreaCode;
+    }
+
+    public void setPhoneOfficeAreaCode(String phoneOfficeAreaCode) {
+        this.phoneOfficeAreaCode = phoneOfficeAreaCode;
+    }
+
+    public String getPhoneOfficeNumber() {
+        return phoneOfficeNumber;
+    }
+
+    public void setPhoneOfficeNumber(String phoneOfficeNumber) {
+        this.phoneOfficeNumber = phoneOfficeNumber;
+    }
+
+    public String getPhonePrivateCountryCode() {
+        return phonePrivateCountryCode;
+    }
+
+    public void setPhonePrivateCountryCode(String phonePrivateCountryCode) {
+        this.phonePrivateCountryCode = phonePrivateCountryCode;
+    }
+
+    public String getPhonePrivateAreaCode() {
+        return phonePrivateAreaCode;
+    }
+
+    public void setPhonePrivateAreaCode(String phonePrivateAreaCode) {
+        this.phonePrivateAreaCode = phonePrivateAreaCode;
+    }
+
+    public String getPhonePrivateNumber() {
+        return phonePrivateNumber;
+    }
+
+    public void setPhonePrivateNumber(String phonePrivateNumber) {
+        this.phonePrivateNumber = phonePrivateNumber;
+    }
+
+    public String getPhoneMobile() {
+        return phoneMobile;
+    }
+
+    public void setPhoneMobile(String phoneMobile) {
+        this.phoneMobile = phoneMobile;
+    }
+
+    public String getKeycloakId() {
+        return keycloakId;
+    }
+
+    public void setKeycloakId(String keycloakId) {
+        this.keycloakId = keycloakId;
+    }
+
+    public LocalDateTime getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public Set<PersonLabel> getLabels() {
+        return labels;
+    }
+
+    public void setLabels(Set<PersonLabel> labels) {
+        this.labels = labels;
+    }
+}

src/main/java/de/iwomm/propify_api/service/OrganizationImportService.java

@@ -0,0 +1,137 @@
+package de.iwomm.propify_api.service;
+
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.read.listener.ReadListener;
+import de.iwomm.propify_api.dto.OrganizationImportDTO;
+import de.iwomm.propify_api.entity.Industry;
+import de.iwomm.propify_api.entity.Organization;
+import de.iwomm.propify_api.repository.IndustryRepository;
+import de.iwomm.propify_api.repository.OrganizationRepository;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.util.*;
+
+@Service
+public class OrganizationImportService {
+
+    private final OrganizationRepository organizationRepository;
+    private final IndustryRepository industryRepository;
+
+    public OrganizationImportService(OrganizationRepository organizationRepository,
+                                     IndustryRepository industryRepository) {
+        this.organizationRepository = organizationRepository;
+        this.industryRepository = industryRepository;
+    }
+
+    @Transactional
+    public ImportResult importOrganizationsFromExcel(MultipartFile file) throws IOException {
+        ImportResult result = new ImportResult();
+        
+        EasyExcel.read(file.getInputStream(), OrganizationImportDTO.class, new ReadListener<OrganizationImportDTO>() {
+            private int currentRow = 1; // Start at 1 to account for header
+
+            @Override
+            public void invoke(OrganizationImportDTO data, AnalysisContext context) {
+                currentRow++;
+                try {
+                    Organization organization = convertToOrganization(data);
+                    organizationRepository.save(organization);
+                    result.incrementSuccess();
+                } catch (Exception e) {
+                    result.addError(currentRow, e.getMessage());
+                }
+            }
+
+            @Override
+            public void doAfterAllAnalysed(AnalysisContext context) {
+                // Called after all data has been analyzed
+            }
+        }).sheet().doRead();
+        
+        return result;
+    }
+
+    private Organization convertToOrganization(OrganizationImportDTO dto) {
+        Organization organization = new Organization();
+        
+        // Name
+        if (dto.getName() != null && !dto.getName().trim().isEmpty()) {
+            organization.setName(dto.getName().trim());
+        } else {
+            throw new IllegalArgumentException("Name is required");
+        }
+        
+        // Industry (Branche) - create or lookup
+        if (dto.getIndustry() != null && !dto.getIndustry().trim().isEmpty()) {
+            String industryName = dto.getIndustry().trim();
+            Industry industry = industryRepository.findByName(industryName)
+                    .orElseGet(() -> {
+                        Industry newIndustry = new Industry();
+                        newIndustry.setName(industryName);
+                        return industryRepository.save(newIndustry);
+                    });
+            organization.setIndustry(industry);
+        }
+        
+        // Owner
+        organization.setOwner(trimOrNull(dto.getOwner()));
+        
+        return organization;
+    }
+
+    private String trimOrNull(String value) {
+        if (value == null || value.trim().isEmpty()) {
+            return null;
+        }
+        return value.trim();
+    }
+
+    public static class ImportResult {
+        private int successCount = 0;
+        private int errorCount = 0;
+        private List<ImportError> errors = new ArrayList<>();
+
+        public void incrementSuccess() {
+            successCount++;
+        }
+
+        public void addError(int row, String message) {
+            errorCount++;
+            errors.add(new ImportError(row, message));
+        }
+
+        public int getSuccessCount() {
+            return successCount;
+        }
+
+        public int getErrorCount() {
+            return errorCount;
+        }
+
+        public List<ImportError> getErrors() {
+            return errors;
+        }
+    }
+
+    public static class ImportError {
+        private int row;
+        private String message;
+
+        public ImportError(int row, String message) {
+            this.row = row;
+            this.message = message;
+        }
+
+        public int getRow() {
+            return row;
+        }
+
+        public String getMessage() {
+            return message;
+        }
+    }
+}