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Rechnungsmodul: Entwurf/Ausstellen/Bezahlt/Storno, PDF, Firmenstammdaten

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Kundencenter 2026-09-27 09:05:13 +02:00
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migrations/016_invoices.sql Normal file
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-- Rechnungen: Entwurf ist frei änderbar, ab "Ausstellen" unveränderlich (nur per Storno korrigierbar,
-- niemals nachträglich bearbeitet oder gelöscht – siehe docs/rechnungen.md).
CREATE TABLE company_settings (
id TINYINT PRIMARY KEY DEFAULT 1,
name VARCHAR(200) NULL, street VARCHAR(200) NULL, zip VARCHAR(20) NULL, city VARCHAR(100) NULL, country CHAR(2) NULL DEFAULT 'DE',
tax_number VARCHAR(50) NULL, -- Steuernummer
vat_id VARCHAR(30) NULL, -- USt-IdNr.
bank_name VARCHAR(150) NULL, iban VARCHAR(34) NULL, bic VARCHAR(11) NULL,
invoice_prefix VARCHAR(10) NOT NULL DEFAULT 'RE',
default_due_days INT NOT NULL DEFAULT 14,
payment_methods JSON NOT NULL DEFAULT (JSON_ARRAY('Überweisung')),
footer_text VARCHAR(500) NULL,
updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO company_settings (id) VALUES (1);
INSERT INTO number_sequences (name, next_value) VALUES ('invoice', 1000) ON DUPLICATE KEY UPDATE name = name;
CREATE TABLE invoices (
id CHAR(36) PRIMARY KEY,
number VARCHAR(30) NULL UNIQUE, -- erst ab "Ausstellen" vergeben; Entwurf hat keine Nummer
org_id CHAR(36) NOT NULL REFERENCES organizations(id),
status ENUM('draft','open','paid','cancelled') NOT NULL DEFAULT 'draft',
issue_date DATE NULL,
due_date DATE NULL,
currency CHAR(3) NOT NULL DEFAULT 'EUR',
total_net_cents INT NOT NULL DEFAULT 0,
total_tax_cents INT NOT NULL DEFAULT 0,
total_gross_cents INT NOT NULL DEFAULT 0,
payment_method VARCHAR(50) NULL,
note VARCHAR(500) NULL,
paid_at DATETIME(3) NULL,
cancels_invoice_id CHAR(36) NULL REFERENCES invoices(id), -- gesetzt bei einer Stornorechnung (negative Beträge)
cancelled_by_invoice_id CHAR(36) NULL REFERENCES invoices(id), -- Rückverweis von der stornierten Rechnung auf ihr Storno
created_by CHAR(36) NOT NULL REFERENCES users(id),
created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
issued_at DATETIME(3) NULL,
cancelled_at DATETIME(3) NULL,
KEY idx_inv_org (org_id), KEY idx_inv_status (status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
CREATE TABLE invoice_items (
id CHAR(36) PRIMARY KEY,
invoice_id CHAR(36) NOT NULL REFERENCES invoices(id),
contract_id CHAR(36) NULL REFERENCES contracts(id),
description VARCHAR(300) NOT NULL,
quantity DECIMAL(10,2) NOT NULL DEFAULT 1,
unit_price_net_cents INT NOT NULL,
tax_bp INT NOT NULL,
net_cents INT NOT NULL,
tax_cents INT NOT NULL,
gross_cents INT NOT NULL,
sort_order INT NOT NULL DEFAULT 0,
KEY idx_ii_invoice (invoice_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;