accounting modules

app/assets/utils/classes_ac/posting/InvoicePosting.php

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+<?php
+/**
+ * InvoicePosting
+ *
+ * Builds the journal entry for a posted sales invoice.
+ * DR: Accounts Receivable
+ * CR: Revenue + Output VAT
+ */
+class InvoicePosting
+{
+    private PDO $pdo;
+    private int $companyId;
+
+    public function __construct(PDO $pdo, int $company_id)
+    {
+        $this->pdo       = $pdo;
+        $this->companyId = $company_id;
+    }
+
+    // TODO: build(int $invoice_id): array  — returns [header, lines] ready for JournalManager
+}

app/assets/utils/classes_ac/posting/PaymentPosting.php

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+<?php
+/**
+ * PaymentPosting
+ *
+ * Builds the journal entry when a supplier payment is recorded.
+ * DR: Accounts Payable
+ * CR: Bank / Cash
+ */
+class PaymentPosting
+{
+    private PDO $pdo;
+    private int $companyId;
+
+    public function __construct(PDO $pdo, int $company_id)
+    {
+        $this->pdo       = $pdo;
+        $this->companyId = $company_id;
+    }
+
+    // TODO: build(int $payment_id): array  — returns [header, lines] ready for JournalManager
+}

app/assets/utils/classes_ac/posting/PurchasePosting.php

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+<?php
+/**
+ * PurchasePosting
+ *
+ * Builds the journal entry when a Purchase Order is received (GRN).
+ * DR: Inventory
+ * CR: Accounts Payable
+ */
+class PurchasePosting
+{
+    private PDO $pdo;
+    private int $companyId;
+
+    public function __construct(PDO $pdo, int $company_id)
+    {
+        $this->pdo       = $pdo;
+        $this->companyId = $company_id;
+    }
+
+    // TODO: build(int $po_id): array  — returns [header, lines] ready for JournalManager
+}

app/assets/utils/classes_ac/posting/ReceiptPosting.php

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+<?php
+/**
+ * ReceiptPosting
+ *
+ * Builds the journal entry when a customer receipt is recorded.
+ * DR: Bank / Cash
+ * CR: Accounts Receivable
+ */
+class ReceiptPosting
+{
+    private PDO $pdo;
+    private int $companyId;
+
+    public function __construct(PDO $pdo, int $company_id)
+    {
+        $this->pdo       = $pdo;
+        $this->companyId = $company_id;
+    }
+
+    // TODO: build(int $receipt_id): array  — returns [header, lines] ready for JournalManager
+}