61 lines
2.6 KiB
MySQL
61 lines
2.6 KiB
MySQL
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-- Migration 010: Supplier Invoice Templates
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-- Template-based invoice recognition (inspired by OmniSync)
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-- Vendor templates for automatic invoice field extraction
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CREATE TABLE IF NOT EXISTS supplier_invoice_templates (
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template_id SERIAL PRIMARY KEY,
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vendor_id INTEGER REFERENCES vendors(id) ON DELETE CASCADE,
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template_name VARCHAR(255) NOT NULL,
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-- Detection patterns (JSON array of patterns to identify this template)
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detection_patterns JSONB DEFAULT '[]',
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-- Example: [
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-- {"type": "text", "pattern": "BMC Denmark ApS", "weight": 0.5},
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-- {"type": "cvr", "value": "12345678", "weight": 1.0}
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-- ]
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-- Field extraction rules (regex patterns with capture groups)
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field_mappings JSONB DEFAULT '{}',
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-- Example: {
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-- "invoice_number": {"pattern": "Faktura\\s*:?\\s*(\\d+)", "group": 1},
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-- "invoice_date": {"pattern": "(\\d{2}[/-]\\d{2}[/-]\\d{2,4})", "format": "DD/MM/YYYY", "group": 1},
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-- "total_amount": {"pattern": "Total\\s*:?\\s*([\\d.,]+)", "group": 1}
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-- }
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-- Statistics
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usage_count INTEGER DEFAULT 0,
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success_count INTEGER DEFAULT 0,
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last_used_at TIMESTAMP,
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-- Metadata
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is_active BOOLEAN DEFAULT TRUE,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(vendor_id, template_name)
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);
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CREATE INDEX idx_supplier_invoice_templates_vendor ON supplier_invoice_templates(vendor_id);
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CREATE INDEX idx_supplier_invoice_templates_active ON supplier_invoice_templates(is_active);
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-- Add template reference to incoming_files
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ALTER TABLE incoming_files ADD COLUMN IF NOT EXISTS template_id INTEGER REFERENCES supplier_invoice_templates(template_id);
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-- Template usage tracking
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CREATE TABLE IF NOT EXISTS template_usage_log (
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log_id SERIAL PRIMARY KEY,
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template_id INTEGER REFERENCES supplier_invoice_templates(template_id) ON DELETE CASCADE,
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file_id INTEGER REFERENCES incoming_files(file_id) ON DELETE CASCADE,
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matched BOOLEAN DEFAULT FALSE,
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confidence DECIMAL(3,2),
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fields_extracted JSONB,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX idx_template_usage_log_template ON template_usage_log(template_id);
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CREATE INDEX idx_template_usage_log_file ON template_usage_log(file_id);
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COMMENT ON TABLE supplier_invoice_templates IS 'Templates for automatic invoice field extraction per vendor';
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COMMENT ON COLUMN supplier_invoice_templates.detection_patterns IS 'JSON array of patterns to detect this template in PDF text';
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COMMENT ON COLUMN supplier_invoice_templates.field_mappings IS 'JSON object with regex patterns to extract invoice fields';
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