Init commit

migrations/000001_create_receipts.down.sql

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+DROP TABLE receipts;

migrations/000001_create_receipts.up.sql

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+CREATE TABLE receipts
+(
+    id              INTEGER PRIMARY KEY AUTOINCREMENT,
+
+    -- основные поля
+    receipt_number  TEXT      NOT NULL UNIQUE,
+    ui              TEXT      NOT NULL,
+
+    status          INTEGER   NOT NULL,
+
+    issued_at       TIMESTAMP NOT NULL,
+
+    -- суммы
+    total_amount    REAL      NOT NULL,
+    payment_amount  REAL      NOT NULL,
+    cash_amount     REAL      NOT NULL,
+    another_amount  REAL      NOT NULL,
+    clearing_amount REAL      NOT NULL,
+    margin          REAL      NOT NULL,
+
+    currency        TEXT      NOT NULL,
+    payment_type    INTEGER   NOT NULL,
+
+    -- касса / продавец
+    cashbox_number  INTEGER   NOT NULL,
+    cashier         TEXT,
+
+    -- организация / адрес
+    name_spd        TEXT,
+    name_to         TEXT,
+    name_np         TEXT,
+    type_np         TEXT,
+
+    street_to       TEXT,
+    house_to        TEXT,
+
+    -- SOATO (nullable)
+    kod_soato       TEXT,
+    oblast_soato    TEXT,
+    rayon_soato     TEXT,
+    selsovet_soato  TEXT,
+
+    -- прочее
+    doc_num         TEXT,
+    skno_number     TEXT,
+    unp             TEXT,
+
+    success         TEXT,
+
+
+    created_at      TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);

migrations/000002_create_positions.down.sql

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+DROP TABLE positions;

migrations/000002_create_positions.up.sql

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+CREATE TABLE positions
+(
+    id             INTEGER PRIMARY KEY AUTOINCREMENT,
+
+    receipt_id     INTEGER NOT NULL,
+
+    section_number TEXT,
+    gtin_code      TEXT,
+
+    product_name   TEXT    NOT NULL,
+
+    product_count  REAL    NOT NULL,
+    amount         REAL    NOT NULL,
+
+    discount       REAL,
+    surcharge      REAL,
+
+    tag            TEXT,
+    marking_code   TEXT,
+    ukz_code       TEXT,
+
+    FOREIGN KEY (receipt_id)
+        REFERENCES receipts (id)
+        ON DELETE CASCADE
+);

migrations/000003_add_indexes.down.sql

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+DROP INDEX idx_positions_receipt_id;
+DROP INDEX idx_receipts_issued_at;

migrations/000003_add_indexes.up.sql

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+CREATE INDEX idx_receipts_issued_at ON receipts(issued_at);
+CREATE INDEX idx_positions_receipt_id ON positions(receipt_id);