How 8Bit improved API reliability, introduced CSV-based bulk uploads, simplified parts price management, and accelerated manufacturer onboarding using Java, Spring Boot, Angular, and SQL automation.
Stabilize existing operations and enable scalable manufacturer data workflows
Java, Spring Boot, Angular, SQL, CSV processing
API enhancement, bulk uploads, cloning workflows, UI improvements
Faster onboarding, lower manual effort, improved reliability
This project focused on improving an existing platform used to manage manufacturers, parts, and pricing data. The work centered on strengthening the API layer, enabling bulk upload operations, simplifying price list processing, and creating faster onboarding workflows for new manufacturers.
Legacy architecture limitations created immediate roadblocks across continuous integration pipelines and internal operations execution structures.
Inconsistent responses and existing bugs were affecting platform reliability.
Business teams relied too heavily on repetitive manual updates.
Creating new manufacturer setups took more time than necessary.
Upload, validation, and feedback loops were not streamlined for users.
We constructed an isolated engineering system path that cleanly validates inputs before writing directly to platform target parameters.
A detailed look at the core enterprise updates engineered to accelerate the system's runtime capability and user-facing experience.
8Bit identified and resolved issues across the existing API layer, improving stability, response consistency, and performance while preserving compatibility for current consumers.
Higher reliability8Bit designed upload APIs for CSV templates with validation for structure, required fields, and row-level consistency, reducing manual effort and enabling bulk processing.
Faster bulk operationsBulk pricing workflows were improved with dedicated upload and validation logic for parts pricing, duplicate handling, and more accurate data mapping.
Cleaner pricing updates8Bit created transaction-safe SQL workflows to clone manufacturer configurations and related entities, reducing repetitive setup work and speeding up onboarding.
Faster manufacturer onboardingFrontend improvements were introduced to support file upload workflows, better validation feedback, and a more seamless connection between backend logic and user actions.
Better user experienceA detailed look at the core enterprise updates engineered to accelerate the system's runtime capability and user-facing experience.
8Bit identified and resolved issues across the existing API layer, improving stability, response consistency, and performance while preserving compatibility for current consumers.
Higher reliability8Bit designed upload APIs for CSV templates with validation for structure, required fields, and row-level consistency, reducing manual effort and enabling bulk processing.
Faster bulk operationsBulk pricing workflows were improved with dedicated upload and validation logic for parts pricing, duplicate handling, and more accurate data mapping.
Cleaner pricing updates8Bit created transaction-safe SQL workflows to clone manufacturer configurations and related entities, reducing repetitive setup work and speeding up onboarding.
Faster manufacturer onboardingFrontend improvements were introduced to support file upload workflows, better validation feedback, and a more seamless connection between backend logic and user actions.
Better user experienceProduction-grade implementation snapshots demonstrating code safety, optimal typing structures, and strict data flow execution parameters.
@RestController
@RequestMapping("/api/v1/manufacturers")
@RequiredArgsConstructor
public class ManufacturerController {
private final ManufacturerService manufacturerService;
@PostMapping("/{manufacturerId}/clone")
public ResponseEntity<ApiResponse<ManufacturerCloneResponse>> cloneManufacturer(
@PathVariable Long manufacturerId,
@Valid @RequestBody ManufacturerCloneRequest request,
Principal principal) {
ManufacturerCloneResponse response = manufacturerService.cloneManufacturer(
manufacturerId,
request,
principal.getName()
);
return ResponseEntity.status(HttpStatus.CREATED).body(
ApiResponse.success("Manufacturer cloned successfully", response)
);
}
}
@RestController
@RequestMapping("/api/v1/manufacturers")
@RequiredArgsConstructor
public class PricingUploadController {
private final PricingUploadService pricingUploadService;
@PostMapping(
path = "/{manufacturerId}/parts-pricing/upload",
consumes = MediaType.MULTIPART_FORM_DATA_VALUE,
produces = MediaType.APPLICATION_JSON_VALUE
)
public ResponseEntity<ApiResponse<BulkUploadResult>> uploadPricing(
@PathVariable Long manufacturerId,
@RequestParam("file") MultipartFile file,
Principal principal) {
BulkUploadCommand command = BulkUploadCommand.builder()
.manufacturerId(manufacturerId)
.uploadedBy(principal.getName())
.fileName(file.getOriginalFilename())
.file(file)
.build();
BulkUploadResult result = pricingUploadService.processPricingUpload(command);
return ResponseEntity.accepted().body(
ApiResponse.success("Pricing upload processed successfully", result)
);
}
}
@Service
@RequiredArgsConstructor
public class PricingValidationService {
private final PartRepository partRepository;
public void validate(Long manufacturerId, PricingCsvRow row, int rowNumber) {
List<String> errors = new ArrayList<>();
if (row.getPartNumber() == null || row.getPartNumber().isBlank()) {
errors.add("Part number is required");
}
if (row.getPrice() == null || row.getPrice().compareTo(BigDecimal.ZERO) < 0) {
errors.add("Price must be zero or greater");
}
if (!partRepository.existsByManufacturerIdAndPartNumber(manufacturerId, row.getPartNumber())) {
errors.add("Part mapping not found for manufacturer");
}
if (!errors.isEmpty()) {
throw new CsvValidationException(
"Validation failed at row " + rowNumber,
rowNumber,
errors
);
}
}
}
BEGIN;
WITH source_manufacturer AS (
SELECT id, timezone, currency
FROM manufacturers
WHERE id = :source_manufacturer_id
),
new_manufacturer AS (
INSERT INTO manufacturers (
name, code, timezone, currency, status, created_at, updated_at
)
SELECT
:target_name,
:target_code,
timezone,
currency,
'ACTIVE',
NOW(),
NOW()
FROM source_manufacturer
RETURNING id
)
INSERT INTO manufacturer_config (
manufacturer_id, config_key, config_value, created_at, updated_at
)
SELECT
nm.id,
mc.config_key,
mc.config_value,
NOW(),
NOW()
FROM manufacturer_config mc
JOIN new_manufacturer nm ON 1 = 1
WHERE mc.manufacturer_id = :source_manufacturer_id;
COMMIT;
uploadPricingFile(file: File, manufacturerId: number): void {
const formData = new FormData();
formData.append('file', file);
this.isUploading = true;
this.uploadError = null;
this.http.post<ApiResponse<BulkUploadResult>>(
`/api/v1/manufacturers/${manufacturerId}/parts-pricing/upload`,
formData
).pipe(
finalize(() => this.isUploading = false)
).subscribe({
next: (response) => {
this.uploadResult = response.data;
this.toastService.success(response.message);
this.reloadUploadHistory();
},
error: (error: HttpErrorResponse) => {
this.uploadError = error.error;
this.toastService.error('Upload failed. Please review the validation report.');
}
});
}
Key systemic improvements measured immediately following final service integration and testing cycles.
Reduction in structural manual operational effort
Bulk data onboarding and structural validation processing cycles
API tier response reliability metrics across ecosystem platforms
Onboarding velocity patterns for new manufacturer partners
Validation process step visibility markers for operating system users
8Bit helps enterprises improve backend reliability, build scalable upload workflows, and streamline operational systems with production-ready Java engineering.
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