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src/database/schema.sql

@@ -1,34 +1,94 @@
--- FibDash Database Schema
--- Run these commands in your MSSQL database
 
--- Create Users table
-CREATE TABLE Users (
+-- Create Kreditor table
+CREATE TABLE Kreditor (
     id INT IDENTITY(1,1) PRIMARY KEY,
-    google_id NVARCHAR(255) UNIQUE NOT NULL,
-    email NVARCHAR(255) UNIQUE NOT NULL,
+    iban NVARCHAR(34) NOT NULL,
     name NVARCHAR(255) NOT NULL,
-    picture NVARCHAR(500),
-    created_at DATETIME2 DEFAULT GETDATE(),
-    last_login DATETIME2,
-    is_active BIT DEFAULT 1
+    kreditorId NVARCHAR(50) NOT NULL
 );
 
--- Create UserPreferences table
-CREATE TABLE UserPreferences (
+-- Ensure kreditorId is unique to support FK references
+ALTER TABLE Kreditor
+ADD CONSTRAINT UQ_Kreditor_kreditorId UNIQUE (kreditorId);
+
+-- Create AccountingItems table
+-- Based on CSV structure: umsatz brutto, soll/haben kz, konto, gegenkonto, bu, buchungsdatum, rechnungsnummer, buchungstext, beleglink
+CREATE TABLE AccountingItems (
     id INT IDENTITY(1,1) PRIMARY KEY,
-    user_id INT NOT NULL,
-    theme NVARCHAR(50) DEFAULT 'light',
-    language NVARCHAR(10) DEFAULT 'en',
-    notifications_enabled BIT DEFAULT 1,
-    created_at DATETIME2 DEFAULT GETDATE(),
-    updated_at DATETIME2 DEFAULT GETDATE(),
-    FOREIGN KEY (user_id) REFERENCES Users(id) ON DELETE CASCADE
+    umsatz_brutto DECIMAL(15,2) NOT NULL, -- gross turnover amount
+    soll_haben_kz CHAR(1) NOT NULL CHECK (soll_haben_kz IN ('S', 'H')), -- S = eingang (debit), H = ausgang (credit)
+    konto NVARCHAR(10) NOT NULL, -- account (e.g. 5400 = wareneingang 19%)
+    gegenkonto NVARCHAR(50) NOT NULL, -- counter account references Kreditor(kreditorId)
+    bu NVARCHAR(10), -- tax code (9 = 19%vst, 8 = 7%vst, 506 = dienstleistung aus EU, 511 = dienstleistung ausserhalb EU)
+    buchungsdatum DATE NOT NULL, -- booking date
+    rechnungsnummer NVARCHAR(100), -- invoice number (belegfeld 1)
+    buchungstext NVARCHAR(500), -- booking text (supplier/customer name + purpose)
+    beleglink NVARCHAR(500) -- document link
 );
 
+-- Create Konto table 
+CREATE TABLE Konto (
+    id INT IDENTITY(1,1) PRIMARY KEY,
+    konto NVARCHAR(10) NOT NULL, 
+    name NVARCHAR(255) NOT NULL
+);
+
+-- Create BU table 
+CREATE TABLE BU (
+    id INT IDENTITY(1,1) PRIMARY KEY,
+    bu NVARCHAR(10) NOT NULL
+    name NVARCHAR(255) NOT NULL
+);
+
+/*
+CSV
+  umsatz brutto ,
+  soll / haben kz ( S = eingang, H = ausgang),
+  ,,,
+  konto (XXXX , z.b. 5400 = wareneingang 19%),
+  gegenkonto (70XXX),
+  bu (9 = 19%vst , 8 = 7%vst, 506 = dienstleistung aus EU, 511 = dienstleistung ausserhalb EU),
+  buchungsdatum, (MDD)
+  rechnungsnummer (belegfeld 1),
+  ,,
+  buchungstext (lierferantenname / kundenname ,  + verwendungszweck)
+  ,,,,,
+  beleglink
+
+
+  --
+  nicht abziehbare vorstreuer buchen auf 5600
+  
+ 
+
+
+*/
+
 -- Create indexes for better performance
 CREATE INDEX IX_Users_Email ON Users(email);
 CREATE INDEX IX_Users_GoogleId ON Users(google_id);
 CREATE INDEX IX_UserPreferences_UserId ON UserPreferences(user_id);
+CREATE INDEX IX_Kreditor_IBAN ON Kreditor(iban);
+CREATE INDEX IX_Kreditor_KreditorId ON Kreditor(kreditorId);
+CREATE INDEX IX_AccountingItems_Buchungsdatum ON AccountingItems(buchungsdatum);
+CREATE INDEX IX_AccountingItems_Konto ON AccountingItems(konto);
+CREATE INDEX IX_AccountingItems_Rechnungsnummer ON AccountingItems(rechnungsnummer);
+CREATE INDEX IX_AccountingItems_SollHabenKz ON AccountingItems(soll_haben_kz);
+
+-- Add FK from AccountingItems.bu -> BU(bu)
+ALTER TABLE AccountingItems
+ADD CONSTRAINT FK_AccountingItems_BU_BU
+FOREIGN KEY (bu) REFERENCES BU(bu);
+
+-- Add FK from AccountingItems.gegenkonto -> Kreditor(kreditorId)
+ALTER TABLE AccountingItems
+ADD CONSTRAINT FK_AccountingItems_Gegenkonto_Kreditor
+FOREIGN KEY (gegenkonto) REFERENCES Kreditor(kreditorId);
+
+-- Add FK from AccountingItems.konto -> Konto(konto)
+ALTER TABLE AccountingItems
+ADD CONSTRAINT FK_AccountingItems_Konto_Konto
+FOREIGN KEY (konto) REFERENCES Konto(konto);
 
 -- Insert sample data (optional)
 -- Note: This will only work after you have real Google user data