toolshed/frontend/src/components/workflow/steps/BulkImportStep1.vue
2026-07-23 05:17:44 +02:00

495 lines
20 KiB
Vue

<template>
<div class="bulk-import-step-1">
<div class="step-header mb-4">
<h4 class="mb-2">File Upload</h4>
<p class="text-muted">Upload your CSV or Excel file containing item data for bulk import.</p>
</div>
<!-- File Upload Area -->
<div class="upload-section mb-4">
<div class="card">
<div class="card-body">
<div v-if="!uploadedFile" class="upload-dropzone text-center py-5"
@dragover.prevent
@dragenter.prevent
@drop.prevent="handleFileDrop"
:class="{ 'dragover': isDragOver }"
@dragenter="isDragOver = true"
@dragleave="isDragOver = false">
<b-icon-cloud-upload class="text-primary mb-3" style="font-size: 4rem;"></b-icon-cloud-upload>
<h5 class="mb-3">Upload Your Data File</h5>
<p class="text-muted mb-4">
Drag and drop your CSV or Excel file here, or click to browse
</p>
<input
type="file"
ref="fileInput"
accept=".csv,.xlsx,.xls"
@change="handleFileSelect"
class="d-none"
/>
<div class="mb-3">
<button class="btn btn-primary btn-lg me-2" @click="$refs.fileInput.click()">
<b-icon-folder-open class="me-2"></b-icon-folder-open>
Choose File
</button>
<button class="btn btn-outline-info" @click="downloadTemplate">
<b-icon-download class="me-2"></b-icon-download>
Download Template
</button>
</div>
<div class="supported-formats">
<small class="text-muted">
Supported formats: CSV (.csv), Excel (.xlsx, .xls)
</small>
</div>
</div>
<!-- File Info Display -->
<div v-else class="file-info">
<div class="d-flex align-items-center justify-content-between mb-3">
<div class="d-flex align-items-center">
<b-icon-file-earmark-spreadsheet class="text-success me-3" style="font-size: 2rem;"></b-icon-file-earmark-spreadsheet>
<div>
<h6 class="mb-1">{{ uploadedFile.name }}</h6>
<small class="text-muted">
{{ formatFileSize(uploadedFile.size) }} •
{{ getFileType(uploadedFile.name) }} •
Uploaded {{ formatDateTime(uploadTime) }}
</small>
</div>
</div>
<button class="btn btn-outline-danger btn-sm" @click="removeFile">
<b-icon-trash></b-icon-trash>
Remove
</button>
</div>
<!-- File Analysis Results -->
<div v-if="fileAnalysis" class="file-analysis">
<div class="row">
<div class="col-md-3 mb-2">
<div class="text-center">
<h4 class="text-primary mb-1">{{ fileAnalysis.totalRows }}</h4>
<small class="text-muted">Total Rows</small>
</div>
</div>
<div class="col-md-3 mb-2">
<div class="text-center">
<h4 class="text-info mb-1">{{ fileAnalysis.totalColumns }}</h4>
<small class="text-muted">Columns</small>
</div>
</div>
<div class="col-md-3 mb-2">
<div class="text-center">
<h4 class="text-success mb-1">{{ fileAnalysis.validRows }}</h4>
<small class="text-muted">Valid Rows</small>
</div>
</div>
<div class="col-md-3 mb-2">
<div class="text-center">
<h4 class="text-warning mb-1">{{ fileAnalysis.errorRows }}</h4>
<small class="text-muted">Issues Found</small>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- File Processing Status -->
<div v-if="processing" class="processing-status mb-4">
<div class="card">
<div class="card-body">
<div class="d-flex align-items-center">
<div class="spinner-border text-primary me-3" role="status"></div>
<div>
<h6 class="mb-1">Processing file...</h6>
<p class="text-muted mb-0">{{ processingStatus }}</p>
</div>
</div>
</div>
</div>
</div>
<!-- Column Mapping -->
<div v-if="fileAnalysis && !processing" class="column-mapping mb-4">
<div class="card">
<div class="card-header">
<h6 class="mb-0">Column Mapping</h6>
<small class="text-muted">Map your file columns to system fields</small>
</div>
<div class="card-body">
<div class="row">
<div v-for="field in requiredFields" :key="field.key" class="col-md-6 mb-3">
<label class="form-label">
{{ field.label }}
<span v-if="field.required" class="text-danger">*</span>
</label>
<select class="form-select" v-model="columnMapping[field.key]">
<option value="">Select column...</option>
<option v-for="column in detectedColumns" :key="column" :value="column">
{{ column }}
</option>
</select>
</div>
</div>
</div>
</div>
</div>
<!-- Data Preview -->
<div v-if="previewData.length > 0" class="data-preview mb-4">
<div class="card">
<div class="card-header">
<h6 class="mb-0">Data Preview</h6>
<small class="text-muted">First 5 rows of your data</small>
</div>
<div class="card-body">
<div class="table-responsive">
<table class="table table-sm">
<thead>
<tr>
<th v-for="column in detectedColumns" :key="column">{{ column }}</th>
</tr>
</thead>
<tbody>
<tr v-for="(row, index) in previewData.slice(0, 5)" :key="index">
<td v-for="column in detectedColumns" :key="column">
{{ row[column] || '-' }}
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<!-- Navigation -->
<div class="step-navigation d-flex justify-content-between">
<div></div>
<button
class="btn btn-primary"
@click="proceedToNext"
:disabled="!canProceed"
>
Next: Parse Data
<b-icon-chevron-right class="ms-1"></b-icon-chevron-right>
</button>
</div>
</div>
</template>
<script>
import * as BIcons from "bootstrap-icons-vue";
export default {
name: 'BulkImportStep1',
components: {
...BIcons
},
props: {
workflowInstance: {
type: Object,
required: true
},
step: {
type: String,
required: true
},
payload: {
type: Object,
default: () => ({})
}
},
data() {
return {
uploadedFile: null,
uploadTime: null,
processing: false,
processingStatus: '',
isDragOver: false,
fileAnalysis: null,
detectedColumns: [],
parsedRows: [],
previewData: [],
columnMapping: {},
requiredFields: [
{ key: 'name', label: 'Item Name', required: true },
{ key: 'category', label: 'Category', required: false },
{ key: 'quantity', label: 'Quantity', required: false },
{ key: 'unit', label: 'Unit', required: false },
{ key: 'description', label: 'Description', required: false },
{ key: 'location', label: 'Storage Location', required: false },
{ key: 'purchase_price', label: 'Purchase Price', required: false },
{ key: 'estimated_value', label: 'Estimated Value', required: false }
]
}
},
computed: {
canProceed() {
return this.uploadedFile && this.fileAnalysis && this.columnMapping.name;
}
},
mounted() {
// Load existing data if resuming
if (this.payload.file_name) {
this.uploadTime = this.payload.upload_time;
this.fileAnalysis = this.payload.file_analysis;
this.detectedColumns = this.payload.detected_columns || [];
this.parsedRows = this.payload.parsed_rows || [];
this.previewData = this.payload.preview_data || [];
this.columnMapping = this.payload.column_mapping || {};
}
},
methods: {
handleFileDrop(event) {
this.isDragOver = false;
const files = event.dataTransfer.files;
if (files.length > 0) {
this.processFile(files[0]);
}
},
handleFileSelect(event) {
const files = event.target.files;
if (files.length > 0) {
this.processFile(files[0]);
}
},
async processFile(file) {
if (!this.isValidFileType(file)) {
alert('Please upload a CSV or Excel file (.csv, .xlsx, .xls)');
return;
}
this.uploadedFile = file;
this.uploadTime = new Date().toISOString();
this.processing = true;
this.processingStatus = 'Reading file...';
try {
// Simulate file processing
await this.analyzeFile(file);
this.processingStatus = 'Analyzing data structure...';
await new Promise(resolve => setTimeout(resolve, 1000));
this.processingStatus = 'Generating preview...';
await new Promise(resolve => setTimeout(resolve, 500));
this.updatePayload();
} catch (error) {
console.error('Error processing file:', error);
alert('Error processing file. Please try again.');
this.removeFile();
} finally {
this.processing = false;
this.processingStatus = '';
}
},
async analyzeFile(file) {
// Parsing happens entirely client-side. The backend never sees the
// raw file - only the structured `items` list produced here, sent
// later as generic payload/request body.
if (file.name.endsWith('.csv')) {
const text = await file.text();
this.parsedRows = this.parseCsv(text);
} else {
// For Excel files, you'd use a library like SheetJS to parse
// client-side. This is a mock implementation.
this.detectedColumns = ['Name', 'Category', 'Quantity', 'Unit', 'Description'];
this.parsedRows = [
{ Name: 'Sample Item 1', Category: 'Tools', Quantity: '1', Unit: 'piece', Description: 'Sample description' },
{ Name: 'Sample Item 2', Category: 'Hardware', Quantity: '5', Unit: 'box', Description: 'Another sample' }
];
}
this.previewData = this.parsedRows.slice(0, 5);
this.fileAnalysis = {
totalRows: this.parsedRows.length,
totalColumns: this.detectedColumns.length,
validRows: this.parsedRows.length,
errorRows: 0
};
// Auto-map columns based on common names
this.autoMapColumns();
},
// Simple CSV parser: no external dependency, entirely client-side.
// Returns an array of row objects keyed by the detected header columns.
parseCsv(text) {
const lines = text.split('\n').filter(line => line.trim());
if (lines.length === 0) {
this.detectedColumns = [];
return [];
}
const headers = lines[0].split(',').map(h => h.trim().replace(/"/g, ''));
this.detectedColumns = headers;
return lines.slice(1).map(line => {
const values = line.split(',').map(v => v.trim().replace(/"/g, ''));
const row = {};
headers.forEach((header, index) => {
row[header] = values[index] || '';
});
return row;
});
},
// Convert the fully parsed rows + column mapping into the generic item
// dicts consumed by the "Import Items" step, which creates each one via
// the standard generic InventoryItem create endpoint.
buildItemsFromMapping() {
return this.parsedRows.map(row => ({
name: this.columnMapping.name ? row[this.columnMapping.name] : '',
description: this.columnMapping.description ? row[this.columnMapping.description] : '',
category: this.columnMapping.category ? row[this.columnMapping.category] : '',
quantity: this.columnMapping.quantity ? row[this.columnMapping.quantity] : undefined,
})).filter(item => item.name);
},
autoMapColumns() {
const mapping = {};
this.detectedColumns.forEach(column => {
const lowerColumn = column.toLowerCase();
if (lowerColumn.includes('name') || lowerColumn.includes('item')) {
mapping.name = column;
} else if (lowerColumn.includes('category') || lowerColumn.includes('type')) {
mapping.category = column;
} else if (lowerColumn.includes('quantity') || lowerColumn.includes('qty')) {
mapping.quantity = column;
} else if (lowerColumn.includes('unit')) {
mapping.unit = column;
} else if (lowerColumn.includes('description') || lowerColumn.includes('desc')) {
mapping.description = column;
} else if (lowerColumn.includes('location') || lowerColumn.includes('storage')) {
mapping.location = column;
} else if (lowerColumn.includes('price') && lowerColumn.includes('purchase')) {
mapping.purchase_price = column;
} else if (lowerColumn.includes('value') || lowerColumn.includes('price')) {
mapping.estimated_value = column;
}
});
this.columnMapping = mapping;
},
isValidFileType(file) {
const validTypes = ['.csv', '.xlsx', '.xls'];
return validTypes.some(type => file.name.toLowerCase().endsWith(type));
},
getFileType(filename) {
if (filename.endsWith('.csv')) return 'CSV';
if (filename.endsWith('.xlsx') || filename.endsWith('.xls')) return 'Excel';
return 'Unknown';
},
formatFileSize(bytes) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const sizes = ['Bytes', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
},
formatDateTime(dateString) {
return new Date(dateString).toLocaleString();
},
removeFile() {
this.uploadedFile = null;
this.uploadTime = null;
this.fileAnalysis = null;
this.detectedColumns = [];
this.parsedRows = [];
this.previewData = [];
this.columnMapping = {};
this.updatePayload();
},
downloadTemplate() {
// Create a sample CSV template
const headers = ['Name', 'Category', 'Quantity', 'Unit', 'Description', 'Location', 'Purchase Price', 'Estimated Value'];
const sampleData = [
['Hammer', 'Tools', '1', 'piece', 'Claw hammer for general use', 'Toolbox A', '25.99', '30.00'],
['Screws', 'Hardware', '100', 'pack', 'Wood screws 2 inch', 'Storage Bin 3', '12.50', '15.00']
];
const csvContent = [headers, ...sampleData]
.map(row => row.map(field => `"${field}"`).join(','))
.join('\n');
const blob = new Blob([csvContent], { type: 'text/csv' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = 'inventory_import_template.csv';
a.click();
URL.revokeObjectURL(url);
},
updatePayload() {
this.$emit('update', {
file_name: this.uploadedFile?.name || null,
upload_time: this.uploadTime,
file_analysis: this.fileAnalysis,
detected_columns: this.detectedColumns,
parsed_rows: this.parsedRows,
preview_data: this.previewData,
column_mapping: this.columnMapping,
items: this.buildItemsFromMapping()
});
},
proceedToNext() {
if (!this.canProceed) {
alert('Please upload a file and map the required Name column before proceeding.');
return;
}
this.updatePayload();
this.$emit('next');
}
}
}
</script>
<style scoped>
.upload-dropzone {
border: 2px dashed #dee2e6;
border-radius: 8px;
transition: all 0.3s ease;
cursor: pointer;
}
.upload-dropzone:hover,
.upload-dropzone.dragover {
border-color: #007bff;
background-color: #f8f9ff;
}
.file-info {
padding: 1rem;
background: #f8f9fa;
border-radius: 8px;
}
.file-analysis {
background: white;
padding: 1rem;
border-radius: 8px;
margin-top: 1rem;
}
</style>