adds pagination

internal/handlers/customers.go

@@ -9,18 +9,32 @@ import (
 
 func (h *Handler) CustomerList(w http.ResponseWriter, r *http.Request) {
 	search := r.URL.Query().Get("search")
-	customers, err := models.CustomerGetAll(h.DB, search)
+	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
+	if page < 1 {
+		page = 1
+	}
+	limit := 10
+
+	customers, total, err := models.CustomerGetPaginated(h.DB, search, page, limit)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
+	totalPages := (total + limit - 1) / limit
+
 	data := map[string]interface{}{
 		"Title":      "Customers",
 		"Username":   h.getUsername(r),
 		"ActivePage": "customers",
 		"Customers":  customers,
 		"Search":     search,
+		"Page":       page,
+		"TotalPages": totalPages,
+		"HasPrev":    page > 1,
+		"HasNext":    page < totalPages,
+		"PrevPage":   page - 1,
+		"NextPage":   page + 1,
 	}
 
 	// HTMX partial for search

internal/handlers/invoices.go

@@ -10,18 +10,32 @@ import (
 
 func (h *Handler) InvoiceList(w http.ResponseWriter, r *http.Request) {
 	status := r.URL.Query().Get("status")
-	invoices, err := models.InvoiceGetAll(h.DB, status)
+	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
+	if page < 1 {
+		page = 1
+	}
+	limit := 10
+
+	invoices, total, err := models.InvoiceGetPaginated(h.DB, status, page, limit)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
+	totalPages := (total + limit - 1) / limit
+
 	data := map[string]interface{}{
 		"Title":        "Invoices",
 		"Username":     h.getUsername(r),
 		"ActivePage":   "invoices",
 		"Invoices":     invoices,
 		"FilterStatus": status,
+		"Page":         page,
+		"TotalPages":   totalPages,
+		"HasPrev":      page > 1,
+		"HasNext":      page < totalPages,
+		"PrevPage":     page - 1,
+		"NextPage":     page + 1,
 	}
 
 	if r.Header.Get("HX-Request") == "true" && r.URL.Query().Get("partial") == "true" {

internal/handlers/ledger.go

@@ -25,17 +25,31 @@ func (h *Handler) ChartOfAccounts(w http.ResponseWriter, r *http.Request) {
 }
 
 func (h *Handler) JournalEntries(w http.ResponseWriter, r *http.Request) {
-	entries, err := models.JournalEntryGetAll(h.DB)
+	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
+	if page < 1 {
+		page = 1
+	}
+	limit := 20
+
+	entries, total, err := models.JournalEntryGetPaginated(h.DB, page, limit)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
+	totalPages := (total + limit - 1) / limit
+
 	data := map[string]interface{}{
 		"Title":      "Journal Entries",
 		"Username":   h.getUsername(r),
 		"ActivePage": "ledger",
 		"Entries":    entries,
+		"Page":       page,
+		"TotalPages": totalPages,
+		"HasPrev":    page > 1,
+		"HasNext":    page < totalPages,
+		"PrevPage":   page - 1,
+		"NextPage":   page + 1,
 	}
 	h.render(w, []string{"layout.html", "ledger/journal_entries.html"}, data)
 }

internal/handlers/orders.go

@@ -11,18 +11,32 @@ import (
 
 func (h *Handler) OrderList(w http.ResponseWriter, r *http.Request) {
 	status := r.URL.Query().Get("status")
-	orders, err := models.OrderGetAll(h.DB, status)
+	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
+	if page < 1 {
+		page = 1
+	}
+	limit := 10
+
+	orders, total, err := models.OrderGetPaginated(h.DB, status, page, limit)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
+	totalPages := (total + limit - 1) / limit
+
 	data := map[string]interface{}{
 		"Title":        "Orders",
 		"Username":     h.getUsername(r),
 		"ActivePage":   "orders",
 		"Orders":       orders,
 		"FilterStatus": status,
+		"Page":         page,
+		"TotalPages":   totalPages,
+		"HasPrev":      page > 1,
+		"HasNext":      page < totalPages,
+		"PrevPage":     page - 1,
+		"NextPage":     page + 1,
 	}
 
 	if r.Header.Get("HX-Request") == "true" && r.URL.Query().Get("partial") == "true" {

internal/models/customer.go

@@ -84,3 +84,46 @@ func CustomerCount(db *sql.DB) int {
 	db.QueryRow("SELECT COUNT(*) FROM customers").Scan(&count)
 	return count
 }
+
+func CustomerGetPaginated(db *sql.DB, search string, page, limit int) ([]Customer, int, error) {
+	offset := (page - 1) * limit
+
+	// Base queries
+	query := "SELECT id, name, email, phone, address, created_at, updated_at FROM customers"
+	countQuery := "SELECT COUNT(*) FROM customers"
+
+	args := []interface{}{}
+	if search != "" {
+		where := " WHERE name LIKE ? OR email LIKE ?"
+		query += where
+		countQuery += where
+		s := "%" + search + "%"
+		args = append(args, s, s)
+	}
+
+	// Get total count first
+	var total int
+	if err := db.QueryRow(countQuery, args...).Scan(&total); err != nil {
+		return nil, 0, err
+	}
+
+	// Add limit and offset to query
+	query += " ORDER BY name LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	rows, err := db.Query(query, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var customers []Customer
+	for rows.Next() {
+		var c Customer
+		if err := rows.Scan(&c.ID, &c.Name, &c.Email, &c.Phone, &c.Address, &c.CreatedAt, &c.UpdatedAt); err != nil {
+			return nil, 0, err
+		}
+		customers = append(customers, c)
+	}
+	return customers, total, nil
+}

internal/models/invoice.go

@@ -46,6 +46,48 @@ func InvoiceGetAll(db *sql.DB, status string) ([]Invoice, error) {
 	return invoices, nil
 }
 
+func InvoiceGetPaginated(db *sql.DB, status string, page, limit int) ([]Invoice, int, error) {
+	offset := (page - 1) * limit
+
+	// Base queries
+	query := `SELECT i.id, i.order_id, i.customer_id, c.name, i.invoice_number, i.status, i.amount, i.due_date, i.paid_date, i.created_at
+		FROM invoices i JOIN customers c ON i.customer_id = c.id`
+	countQuery := "SELECT COUNT(*) FROM invoices i"
+
+	args := []interface{}{}
+	if status != "" {
+		where := " WHERE i.status = ?"
+		query += where
+		countQuery += where
+		args = append(args, status)
+	}
+
+	// Get total count
+	var total int
+	if err := db.QueryRow(countQuery, args...).Scan(&total); err != nil {
+		return nil, 0, err
+	}
+
+	query += " ORDER BY i.created_at DESC LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	rows, err := db.Query(query, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var invoices []Invoice
+	for rows.Next() {
+		var inv Invoice
+		if err := rows.Scan(&inv.ID, &inv.OrderID, &inv.CustomerID, &inv.CustomerName, &inv.InvoiceNumber, &inv.Status, &inv.Amount, &inv.DueDate, &inv.PaidDate, &inv.CreatedAt); err != nil {
+			return nil, 0, err
+		}
+		invoices = append(invoices, inv)
+	}
+	return invoices, total, nil
+}
+
 func InvoiceGetByID(db *sql.DB, id int) (*Invoice, error) {
 	inv := &Invoice{}
 	err := db.QueryRow(

internal/models/ledger.go

@@ -103,6 +103,47 @@ func JournalEntryGetAll(db *sql.DB) ([]JournalEntry, error) {
 	return entries, nil
 }
 
+func JournalEntryGetPaginated(db *sql.DB, page, limit int) ([]JournalEntry, int, error) {
+	offset := (page - 1) * limit
+
+	var total int
+	if err := db.QueryRow("SELECT COUNT(*) FROM journal_entries").Scan(&total); err != nil {
+		return nil, 0, err
+	}
+
+	query := `
+		SELECT 
+			je.id, 
+			je.entry_date, 
+			je.description, 
+			je.reference, 
+			je.created_at,
+			COALESCE(SUM(jl.debit), 0),
+			COALESCE(SUM(jl.credit), 0)
+		FROM journal_entries je
+		LEFT JOIN journal_lines jl ON je.id = jl.journal_entry_id
+		GROUP BY je.id
+		ORDER BY je.created_at DESC
+		LIMIT ? OFFSET ?
+	`
+
+	rows, err := db.Query(query, limit, offset)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var entries []JournalEntry
+	for rows.Next() {
+		var je JournalEntry
+		if err := rows.Scan(&je.ID, &je.EntryDate, &je.Description, &je.Reference, &je.CreatedAt, &je.TotalDebit, &je.TotalCredit); err != nil {
+			return nil, 0, err
+		}
+		entries = append(entries, je)
+	}
+	return entries, total, nil
+}
+
 func JournalEntryGetByID(db *sql.DB, id int) (*JournalEntry, error) {
 	je := &JournalEntry{}
 	err := db.QueryRow("SELECT id, entry_date, description, reference, created_at FROM journal_entries WHERE id = ?", id).

internal/models/order.go

@@ -55,6 +55,48 @@ func OrderGetAll(db *sql.DB, status string) ([]Order, error) {
 	return orders, nil
 }
 
+func OrderGetPaginated(db *sql.DB, status string, page, limit int) ([]Order, int, error) {
+	offset := (page - 1) * limit
+
+	// Base queries
+	query := `SELECT o.id, o.customer_id, c.name, o.status, o.order_date, o.total_amount, o.notes, o.created_at, o.updated_at
+		FROM orders o JOIN customers c ON o.customer_id = c.id`
+	countQuery := "SELECT COUNT(*) FROM orders o"
+
+	args := []interface{}{}
+	if status != "" {
+		where := " WHERE o.status = ?"
+		query += where
+		countQuery += where
+		args = append(args, status)
+	}
+
+	// Get total count
+	var total int
+	if err := db.QueryRow(countQuery, args...).Scan(&total); err != nil {
+		return nil, 0, err
+	}
+
+	query += " ORDER BY o.created_at DESC LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	rows, err := db.Query(query, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var orders []Order
+	for rows.Next() {
+		var o Order
+		if err := rows.Scan(&o.ID, &o.CustomerID, &o.CustomerName, &o.Status, &o.OrderDate, &o.TotalAmount, &o.Notes, &o.CreatedAt, &o.UpdatedAt); err != nil {
+			return nil, 0, err
+		}
+		orders = append(orders, o)
+	}
+	return orders, total, nil
+}
+
 func OrderGetByID(db *sql.DB, id int) (*Order, error) {
 	o := &Order{}
 	err := db.QueryRow(

templates/customers/list.html

@@ -60,4 +60,40 @@
         </tbody>
     </table>
 </div>
+
+<div class="mt-4 flex items-center justify-between border-t border-gray-200 bg-white px-4 py-3 sm:px-6">
+    <div class="hidden sm:flex sm:flex-1 sm:items-center sm:justify-between">
+        <div>
+            <p class="text-sm text-gray-700">
+                Page <span class="font-medium">{{.Page}}</span> of <span class="font-medium">{{.TotalPages}}</span>
+            </p>
+        </div>
+        <div>
+            <nav class="isolate inline-flex -space-x-px rounded-md shadow-sm" aria-label="Pagination">
+                {{if .HasPrev}}
+                <button 
+                    hx-get="/customers?page={{.PrevPage}}&search={{.Search}}&partial=true" 
+                    hx-target="#customer-table"
+                    class="relative inline-flex items-center rounded-l-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Previous</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M12.79 5.23a.75.75 0 01-.02 1.06L8.832 10l3.938 3.71a.75.75 0 11-1.04 1.08l-4.5-4.25a.75.75 0 010-1.08l4.5-4.25a.75.75 0 011.06.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+                {{if .HasNext}}
+                <button 
+                    hx-get="/customers?page={{.NextPage}}&search={{.Search}}&partial=true" 
+                    hx-target="#customer-table"
+                    class="relative inline-flex items-center rounded-r-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Next</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+            </nav>
+        </div>
+    </div>
+</div>
 {{end}}

templates/invoices/list.html

@@ -64,4 +64,40 @@
         </tbody>
     </table>
 </div>
+
+<div class="mt-4 flex items-center justify-between border-t border-gray-200 bg-white px-4 py-3 sm:px-6">
+    <div class="hidden sm:flex sm:flex-1 sm:items-center sm:justify-between">
+        <div>
+            <p class="text-sm text-gray-700">
+                Page <span class="font-medium">{{.Page}}</span> of <span class="font-medium">{{.TotalPages}}</span>
+            </p>
+        </div>
+        <div>
+            <nav class="isolate inline-flex -space-x-px rounded-md shadow-sm" aria-label="Pagination">
+                {{if .HasPrev}}
+                <button 
+                    hx-get="/invoices?page={{.PrevPage}}&status={{.FilterStatus}}&partial=true" 
+                    hx-target="#invoice-table"
+                    class="relative inline-flex items-center rounded-l-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Previous</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M12.79 5.23a.75.75 0 01-.02 1.06L8.832 10l3.938 3.71a.75.75 0 11-1.04 1.08l-4.5-4.25a.75.75 0 010-1.08l4.5-4.25a.75.75 0 011.06.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+                {{if .HasNext}}
+                <button 
+                    hx-get="/invoices?page={{.NextPage}}&status={{.FilterStatus}}&partial=true" 
+                    hx-target="#invoice-table"
+                    class="relative inline-flex items-center rounded-r-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Next</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+            </nav>
+        </div>
+    </div>
+</div>
 {{end}}

templates/ledger/journal_entries.html

@@ -45,5 +45,37 @@
             </tbody>
         </table>
     </div>
+
+    <div class="mt-4 flex items-center justify-between border-t border-gray-200 bg-white px-4 py-3 sm:px-6">
+        <div class="hidden sm:flex sm:flex-1 sm:items-center sm:justify-between">
+            <div>
+                <p class="text-sm text-gray-700">
+                    Page <span class="font-medium">{{.Page}}</span> of <span class="font-medium">{{.TotalPages}}</span>
+                </p>
+            </div>
+            <div>
+                <nav class="isolate inline-flex -space-x-px rounded-md shadow-sm" aria-label="Pagination">
+                    {{if .HasPrev}}
+                    <a href="/ledger/journal?page={{.PrevPage}}" 
+                        class="relative inline-flex items-center rounded-l-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                        <span class="sr-only">Previous</span>
+                        <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                            <path fill-rule="evenodd" d="M12.79 5.23a.75.75 0 01-.02 1.06L8.832 10l3.938 3.71a.75.75 0 11-1.04 1.08l-4.5-4.25a.75.75 0 010-1.08l4.5-4.25a.75.75 0 011.06.02z" clip-rule="evenodd" />
+                        </svg>
+                    </a>
+                    {{end}}
+                    {{if .HasNext}}
+                    <a href="/ledger/journal?page={{.NextPage}}" 
+                        class="relative inline-flex items-center rounded-r-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                        <span class="sr-only">Next</span>
+                        <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                            <path fill-rule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clip-rule="evenodd" />
+                        </svg>
+                    </a>
+                    {{end}}
+                </nav>
+            </div>
+        </div>
+    </div>
 </div>
 {{end}}

templates/orders/list.html

@@ -66,4 +66,40 @@
         </tbody>
     </table>
 </div>
+
+<div class="mt-4 flex items-center justify-between border-t border-gray-200 bg-white px-4 py-3 sm:px-6">
+    <div class="hidden sm:flex sm:flex-1 sm:items-center sm:justify-between">
+        <div>
+            <p class="text-sm text-gray-700">
+                Page <span class="font-medium">{{.Page}}</span> of <span class="font-medium">{{.TotalPages}}</span>
+            </p>
+        </div>
+        <div>
+            <nav class="isolate inline-flex -space-x-px rounded-md shadow-sm" aria-label="Pagination">
+                {{if .HasPrev}}
+                <button 
+                    hx-get="/orders?page={{.PrevPage}}&status={{.FilterStatus}}&partial=true" 
+                    hx-target="#order-table"
+                    class="relative inline-flex items-center rounded-l-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Previous</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M12.79 5.23a.75.75 0 01-.02 1.06L8.832 10l3.938 3.71a.75.75 0 11-1.04 1.08l-4.5-4.25a.75.75 0 010-1.08l4.5-4.25a.75.75 0 011.06.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+                {{if .HasNext}}
+                <button 
+                    hx-get="/orders?page={{.NextPage}}&status={{.FilterStatus}}&partial=true" 
+                    hx-target="#order-table"
+                    class="relative inline-flex items-center rounded-r-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0">
+                    <span class="sr-only">Next</span>
+                    <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                        <path fill-rule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clip-rule="evenodd" />
+                    </svg>
+                </button>
+                {{end}}
+            </nav>
+        </div>
+    </div>
+</div>
 {{end}}