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Make invoice more customizable
This commit is contained in:
Adrian-George Bostan
parent
e7a6b1825f
commit
7a6b16b614
@ -7,7 +7,7 @@ package creator
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import "fmt"
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// InvoiceAddress
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// InvoiceAddress.
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type InvoiceAddress struct {
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Name string
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Street string
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@ -18,76 +18,66 @@ type InvoiceAddress struct {
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Email string
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}
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// InvoiceCellProps
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// InvoiceCellProps.
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type InvoiceCellProps struct {
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TextStyle TextStyle
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Alignment CellHorizontalAlignment
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BackgroundColor Color
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BorderColor Color
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Style TextStyle
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BorderWidth int
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BorderStyle int
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}
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// InvoiceColumn
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type InvoiceColumn struct {
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InvoiceCellProps
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Description string
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}
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// InvoiceCell
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// InvoiceCell.
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type InvoiceCell struct {
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InvoiceCellProps
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Value string
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}
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// Invoice represents a configurable template for an invoice.
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// Invoice represents a configurable invoice template.
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type Invoice struct {
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// Invoice title.
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title string
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// Invoice logo.
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logo *Image
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// Invoice addresses.
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buyerAddress *InvoiceAddress
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sellerAddress *InvoiceAddress
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// Invoice information.
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number [2]*InvoiceCell
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date [2]*InvoiceCell
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dueDate [2]*InvoiceCell
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info [][2]*InvoiceCell
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// Invoice lines.
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columns []*InvoiceCell
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lines [][]*InvoiceCell
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// Invoice totals.
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subtotal [2]*InvoiceCell
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total [2]*InvoiceCell
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totals [][2]*InvoiceCell
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// Invoice note sections.
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notes [2]string
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terms [2]string
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sections [][2]string
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// Invoice styles.
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defaultStyle TextStyle
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headingStyle TextStyle
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titleStyle TextStyle
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infoDescProps InvoiceCellProps
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infoValProps InvoiceCellProps
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infoProps InvoiceCellProps
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colProps InvoiceCellProps
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itemProps InvoiceCellProps
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totalProps InvoiceCellProps
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// The title of the invoice.
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title string
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// The logo of the invoice.
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logo *Image
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// Buyer address.
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buyerAddress InvoiceAddress
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// Seller address.
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sellerAddress InvoiceAddress
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// Invoice information.
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number string
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date string
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paymentTerms string
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dueDate string
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additionalInfo [][2]string
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// Invoice columns.
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columns []*InvoiceColumn
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// Invoice lines.
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lines [][]*InvoiceCell
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// Invoice totals.
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subtotal *InvoiceCell
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total *InvoiceCell
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totals [][2]*InvoiceCell
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// Invoice notes.
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notes string
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terms string
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// Positioning: relative/absolute.
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positioning positioning
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}
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@ -95,88 +85,92 @@ type Invoice struct {
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// newInvoice returns an instance of an empty invoice.
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func newInvoice(defaultStyle, headingStyle TextStyle) *Invoice {
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i := &Invoice{
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// Styles.
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defaultStyle: defaultStyle,
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headingStyle: headingStyle,
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// Title.
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title: "INVOICE",
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// Information.
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additionalInfo: [][2]string{},
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// Addresses.
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sellerAddress: InvoiceAddress{},
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buyerAddress: InvoiceAddress{},
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sellerAddress: &InvoiceAddress{},
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buyerAddress: &InvoiceAddress{},
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// Styles.
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defaultStyle: defaultStyle,
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headingStyle: headingStyle,
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}
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// Default style properties.
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lightBlue := ColorRGBFrom8bit(217, 240, 250)
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// Default colors.
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lightGrey := ColorRGBFrom8bit(245, 245, 245)
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mediumGrey := ColorRGBFrom8bit(155, 155, 155)
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// Default title style.
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i.titleStyle = headingStyle
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i.titleStyle.Color = mediumGrey
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i.titleStyle.FontSize = 20
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i.infoDescProps = i.newCellProps()
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i.infoDescProps.BackgroundColor = lightBlue
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i.infoDescProps.Style = headingStyle
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// Invoice information default properties.
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i.infoProps = i.NewCellProps()
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i.infoProps.BackgroundColor = lightGrey
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i.infoProps.TextStyle = headingStyle
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i.infoValProps = i.newCellProps()
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i.infoValProps.BackgroundColor = lightGrey
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// Invoice line items default properties.
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i.colProps = i.NewCellProps()
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i.colProps.TextStyle = headingStyle
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i.colProps.BackgroundColor = lightGrey
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i.colProps.BorderColor = lightGrey
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i.colProps = i.newCellProps()
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i.colProps.BackgroundColor = lightBlue
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i.colProps.BorderColor = lightBlue
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i.colProps.Style = headingStyle
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i.itemProps = i.newCellProps()
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i.itemProps = i.NewCellProps()
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i.itemProps.Alignment = CellHorizontalAlignmentRight
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i.totalProps = i.newCellProps()
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// Invoice totals default properties.
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i.totalProps = i.NewCellProps()
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i.totalProps.Alignment = CellHorizontalAlignmentRight
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i.subtotal = i.NewCell("")
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i.subtotal.Alignment = CellHorizontalAlignmentRight
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// Invoice information fields.
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i.number = [2]*InvoiceCell{
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i.newCell("Invoice number", i.infoProps),
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i.newCell("", i.infoProps),
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}
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i.total = i.NewCell("")
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i.total.BackgroundColor = lightBlue
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i.total.Style = headingStyle
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i.total.Alignment = CellHorizontalAlignmentRight
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i.total.BorderColor = lightBlue
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i.date = [2]*InvoiceCell{
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i.newCell("Date", i.infoProps),
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i.newCell("", i.infoProps),
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}
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i.dueDate = [2]*InvoiceCell{
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i.newCell("Date", i.infoProps),
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i.newCell("", i.infoProps),
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}
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// Invoice totals fields.
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i.subtotal = [2]*InvoiceCell{
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i.newCell("Subtotal", i.totalProps),
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i.newCell("", i.totalProps),
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}
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totalProps := i.totalProps
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totalProps.TextStyle = headingStyle
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totalProps.BackgroundColor = lightGrey
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totalProps.BorderColor = lightGrey
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i.total = [2]*InvoiceCell{
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i.newCell("Total", totalProps),
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i.newCell("", totalProps),
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}
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// Invoice notes fields.
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i.notes = [2]string{"Notes", ""}
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i.terms = [2]string{"Terms and conditions", ""}
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// Default item columns.
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quantityCol := i.NewColumn("Quantity")
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quantityCol.Alignment = CellHorizontalAlignmentRight
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unitPriceCol := i.NewColumn("Unit price")
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unitPriceCol.Alignment = CellHorizontalAlignmentRight
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amountCol := i.NewColumn("Amount")
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amountCol.Alignment = CellHorizontalAlignmentRight
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i.columns = []*InvoiceColumn{
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i.NewColumn("Description"),
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quantityCol,
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unitPriceCol,
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amountCol,
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i.columns = []*InvoiceCell{
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i.newColumn("Description", CellHorizontalAlignmentLeft),
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i.newColumn("Quantity", CellHorizontalAlignmentRight),
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i.newColumn("Unit price", CellHorizontalAlignmentRight),
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i.newColumn("Amount", CellHorizontalAlignmentRight),
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}
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return i
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}
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func (i *Invoice) newCellProps() InvoiceCellProps {
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white := ColorRGBFrom8bit(255, 255, 255)
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return InvoiceCellProps{
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Alignment: CellHorizontalAlignmentLeft,
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BackgroundColor: white,
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BorderColor: white,
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Style: i.defaultStyle,
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}
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}
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func (i *Invoice) Title() string {
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return i.title
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}
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@ -193,55 +187,61 @@ func (i *Invoice) SetLogo(logo *Image) {
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i.logo = logo
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}
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func (i *Invoice) SetSellerAddress(address InvoiceAddress) {
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func (i *Invoice) SellerAddress() *InvoiceAddress {
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return i.sellerAddress
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}
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func (i *Invoice) SetSellerAddress(address *InvoiceAddress) {
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i.sellerAddress = address
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}
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func (i *Invoice) SetBuyerAddress(address InvoiceAddress) {
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func (i *Invoice) BuyerAddress() *InvoiceAddress {
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return i.buyerAddress
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}
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func (i *Invoice) SetBuyerAddress(address *InvoiceAddress) {
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i.buyerAddress = address
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}
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func (i *Invoice) Number() string {
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return i.number
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func (i *Invoice) Number() (*InvoiceCell, *InvoiceCell) {
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return i.number[0], i.number[1]
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}
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func (i *Invoice) SetNumber(number string) {
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i.number = number
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i.number[1].Value = number
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}
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func (i *Invoice) Date() string {
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return i.date
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func (i *Invoice) Date() (*InvoiceCell, *InvoiceCell) {
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return i.date[0], i.date[1]
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}
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func (i *Invoice) SetDate(date string) {
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i.date = date
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i.date[1].Value = date
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}
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func (i *Invoice) PaymentTerms() string {
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return i.paymentTerms
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}
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func (i *Invoice) SetPaymentTerms(paymentTerms string) {
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i.paymentTerms = paymentTerms
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}
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func (i *Invoice) DueDate() string {
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return i.dueDate
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func (i *Invoice) DueDate() (*InvoiceCell, *InvoiceCell) {
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return i.dueDate[0], i.dueDate[1]
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}
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func (i *Invoice) SetDueDate(dueDate string) {
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i.dueDate = dueDate
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i.dueDate[1].Value = dueDate
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}
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func (i *Invoice) AddInvoiceInfo(description, value string) {
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i.additionalInfo = append(i.additionalInfo, [2]string{description, value})
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func (i *Invoice) AddInvoiceInfo(description, value string) (*InvoiceCell, *InvoiceCell) {
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info := [2]*InvoiceCell{
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i.newCell(description, i.infoProps),
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i.newCell(value, i.infoProps),
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}
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i.info = append(i.info, info)
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return info[0], info[1]
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}
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func (i *Invoice) AppendColumn(description string) *InvoiceColumn {
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func (i *Invoice) AppendColumn(description string) *InvoiceCell {
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return nil
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}
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func (i *Invoice) InsertColumn(description string) *InvoiceColumn {
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func (i *Invoice) InsertColumn(description string) *InvoiceCell {
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return nil
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}
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@ -254,7 +254,7 @@ func (i *Invoice) AddLine(values ...string) {
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var line []*InvoiceCell
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for j, value := range values {
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itemCell := i.NewCell(value)
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itemCell := i.newCell(value, i.itemProps)
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if j < lenCols {
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itemCell.Alignment = i.columns[j].Alignment
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}
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@ -265,22 +265,20 @@ func (i *Invoice) AddLine(values ...string) {
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i.lines = append(i.lines, line)
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}
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func (i *Invoice) Subtotal() *InvoiceCell {
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return i.subtotal
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func (i *Invoice) Subtotal() (*InvoiceCell, *InvoiceCell) {
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return i.subtotal[0], i.subtotal[1]
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}
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func (i *Invoice) SetSubtotal(value string) *InvoiceCell {
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i.subtotal.Value = value
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return i.subtotal
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func (i *Invoice) SetSubtotal(value string) {
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i.subtotal[1].Value = value
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}
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func (i *Invoice) Total() *InvoiceCell {
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return i.total
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func (i *Invoice) Total() (*InvoiceCell, *InvoiceCell) {
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return i.total[0], i.total[1]
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}
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func (i *Invoice) SetTotal(value string) *InvoiceCell {
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i.total.Value = value
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return i.total
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func (i *Invoice) SetTotal(value string) {
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i.total[1].Value = value
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}
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func (i *Invoice) TotalLines() [][2]*InvoiceCell {
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@ -301,34 +299,72 @@ func (i *Invoice) AddTotalLine(desc, value string) (*InvoiceCell, *InvoiceCell)
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return descCell, valueCell
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}
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func (i *Invoice) Notes() string {
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return i.notes
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func (i *Invoice) Notes() (string, string) {
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return i.notes[0], i.notes[1]
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}
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func (i *Invoice) SetNotes(notes string) {
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i.notes = notes
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func (i *Invoice) SetNotes(title, content string) {
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i.notes = [2]string{
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title,
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content,
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}
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}
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func (i *Invoice) Terms() string {
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return i.terms
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func (i *Invoice) Terms() (string, string) {
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return i.terms[0], i.terms[1]
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}
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func (i *Invoice) SetTerms(terms string) {
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i.terms = terms
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func (i *Invoice) SetTerms(title, content string) {
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i.terms = [2]string{
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title,
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content,
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}
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}
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func (i *Invoice) Sections() [][2]string {
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return i.sections
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}
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func (i *Invoice) AddSection(title, content string) {
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i.sections = append(i.sections, [2]string{
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title,
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content,
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})
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}
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func (i *Invoice) NewCellProps() InvoiceCellProps {
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white := ColorRGBFrom8bit(255, 255, 255)
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return InvoiceCellProps{
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TextStyle: i.defaultStyle,
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Alignment: CellHorizontalAlignmentLeft,
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BackgroundColor: white,
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BorderColor: white,
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BorderWidth: 1,
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BorderStyle: int(CellBorderSideAll),
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}
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}
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func (i *Invoice) NewCell(value string) *InvoiceCell {
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return i.newCell(value, i.NewCellProps())
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}
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func (i *Invoice) newCell(value string, props InvoiceCellProps) *InvoiceCell {
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return &InvoiceCell{
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i.itemProps,
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props,
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value,
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}
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}
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func (i *Invoice) NewColumn(description string) *InvoiceColumn {
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return &InvoiceColumn{
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i.colProps,
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description,
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}
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func (i *Invoice) NewColumn(description string) *InvoiceCell {
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return i.newColumn(description, CellHorizontalAlignmentLeft)
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}
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func (i *Invoice) newColumn(description string, alignment CellHorizontalAlignment) *InvoiceCell {
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col := &InvoiceCell{i.colProps, description}
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col.Alignment = alignment
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return col
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}
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func (i *Invoice) drawAddress(title, name string, addr *InvoiceAddress) []*StyledParagraph {
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@ -369,7 +405,7 @@ func (i *Invoice) drawAddress(title, name string, addr *InvoiceAddress) []*Style
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addressParagraph.Append(addr.Country + "\n")
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}
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// Contact information
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// Contact information.
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contactParagraph := newStyledParagraph(i.defaultStyle)
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contactParagraph.SetLineHeight(1.2)
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contactParagraph.SetMargins(0, 0, 7, 0)
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@ -411,39 +447,37 @@ func (i *Invoice) drawSection(title, content string) []*StyledParagraph {
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func (i *Invoice) drawInformation() *Table {
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table := newTable(2)
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info := [][2]string{
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[2]string{"Invoice number", i.number},
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[2]string{"Invoice date", i.date},
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[2]string{"Payment terms", i.paymentTerms},
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[2]string{"Due date", i.dueDate},
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}
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info = append(info, i.additionalInfo...)
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info := append([][2]*InvoiceCell{
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i.number,
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i.date,
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i.dueDate,
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}, i.info...)
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for _, v := range info {
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description, value := v[0], v[1]
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if len(value) == 0 {
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if value.Value == "" {
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continue
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}
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// Add description.
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cell := table.NewCell()
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cell.SetBackgroundColor(i.infoDescProps.BackgroundColor)
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cell.SetBackgroundColor(description.BackgroundColor)
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cell.SetBorder(CellBorderSideAll, CellBorderStyleSingle, 1)
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cell.SetBorderColor(i.infoDescProps.BorderColor)
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cell.SetBorderColor(description.BorderColor)
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p := newStyledParagraph(i.infoDescProps.Style)
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p.Append(description)
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p := newStyledParagraph(description.TextStyle)
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p.Append(description.Value)
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p.SetMargins(0, 0, 2, 0)
|
||||
cell.SetContent(p)
|
||||
|
||||
// Add value.
|
||||
cell = table.NewCell()
|
||||
cell.SetBackgroundColor(i.infoValProps.BackgroundColor)
|
||||
cell.SetBackgroundColor(value.BackgroundColor)
|
||||
cell.SetBorder(CellBorderSideAll, CellBorderStyleSingle, 1)
|
||||
cell.SetBorderColor(i.infoValProps.BorderColor)
|
||||
cell.SetBorderColor(value.BorderColor)
|
||||
|
||||
p = newStyledParagraph(i.infoValProps.Style)
|
||||
p.Append(value)
|
||||
p = newStyledParagraph(value.TextStyle)
|
||||
p.Append(value.Value)
|
||||
p.SetMargins(0, 0, 2, 0)
|
||||
cell.SetContent(p)
|
||||
}
|
||||
@ -454,25 +488,15 @@ func (i *Invoice) drawInformation() *Table {
|
||||
func (i *Invoice) drawTotals() *Table {
|
||||
table := newTable(2)
|
||||
|
||||
totals := [][2]*InvoiceCell{}
|
||||
if i.subtotal.Value != "" {
|
||||
subtotalDesc := *i.subtotal
|
||||
subtotalDesc.Value = "Subtotal"
|
||||
|
||||
totals = append(totals, [2]*InvoiceCell{&subtotalDesc, i.subtotal})
|
||||
}
|
||||
|
||||
totals := [][2]*InvoiceCell{i.subtotal}
|
||||
totals = append(totals, i.totals...)
|
||||
|
||||
if i.total.Value != "" {
|
||||
totalDesc := *i.total
|
||||
totalDesc.Value = "Total"
|
||||
|
||||
totals = append(totals, [2]*InvoiceCell{&totalDesc, i.total})
|
||||
}
|
||||
totals = append(totals, i.total)
|
||||
|
||||
for _, total := range totals {
|
||||
description, value := total[0], total[1]
|
||||
if value.Value == "" {
|
||||
continue
|
||||
}
|
||||
|
||||
// Add description.
|
||||
cell := table.NewCell()
|
||||
@ -481,7 +505,7 @@ func (i *Invoice) drawTotals() *Table {
|
||||
cell.SetBorder(CellBorderSideAll, CellBorderStyleSingle, 1)
|
||||
cell.SetBorderColor(value.BorderColor)
|
||||
|
||||
p := newStyledParagraph(description.Style)
|
||||
p := newStyledParagraph(description.TextStyle)
|
||||
p.SetMargins(0, 0, 1, 1)
|
||||
p.Append(description.Value)
|
||||
cell.SetContent(p)
|
||||
@ -493,7 +517,7 @@ func (i *Invoice) drawTotals() *Table {
|
||||
cell.SetBorder(CellBorderSideAll, CellBorderStyleSingle, 1)
|
||||
cell.SetBorderColor(value.BorderColor)
|
||||
|
||||
p = newStyledParagraph(value.Style)
|
||||
p = newStyledParagraph(value.TextStyle)
|
||||
p.SetMargins(0, 0, 1, 1)
|
||||
p.Append(value.Value)
|
||||
cell.SetContent(p)
|
||||
@ -537,10 +561,10 @@ func (i *Invoice) generateInformationBlocks(ctx DrawContext) ([]*Block, DrawCont
|
||||
separatorParagraph := newStyledParagraph(i.defaultStyle)
|
||||
separatorParagraph.SetMargins(0, 0, 0, 20)
|
||||
|
||||
addrParagraphs := i.drawAddress(i.sellerAddress.Name, "", &i.sellerAddress)
|
||||
addrParagraphs := i.drawAddress(i.sellerAddress.Name, "", i.sellerAddress)
|
||||
addrParagraphs = append(addrParagraphs, separatorParagraph)
|
||||
addrParagraphs = append(addrParagraphs,
|
||||
i.drawAddress("Bill to", i.buyerAddress.Name, &i.buyerAddress)...)
|
||||
i.drawAddress("Bill to", i.buyerAddress.Name, i.buyerAddress)...)
|
||||
|
||||
addrDivision := newDivision()
|
||||
for _, addrParagraph := range addrParagraphs {
|
||||
@ -567,11 +591,11 @@ func (i *Invoice) generateLineBlocks(ctx DrawContext) ([]*Block, DrawContext, er
|
||||
table := newTable(4)
|
||||
table.SetMargins(0, 0, 25, 0)
|
||||
|
||||
// Draw item columns
|
||||
// Draw item columns.
|
||||
for _, col := range i.columns {
|
||||
paragraph := newStyledParagraph(col.Style)
|
||||
paragraph := newStyledParagraph(col.TextStyle)
|
||||
paragraph.SetMargins(0, 0, 1, 0)
|
||||
paragraph.Append(col.Description)
|
||||
paragraph.Append(col.Value)
|
||||
|
||||
cell := table.NewCell()
|
||||
cell.SetHorizontalAlignment(col.Alignment)
|
||||
@ -581,10 +605,10 @@ func (i *Invoice) generateLineBlocks(ctx DrawContext) ([]*Block, DrawContext, er
|
||||
cell.SetContent(paragraph)
|
||||
}
|
||||
|
||||
// Draw item lines
|
||||
// Draw item lines.
|
||||
for _, line := range i.lines {
|
||||
for _, itemCell := range line {
|
||||
paragraph := newStyledParagraph(itemCell.Style)
|
||||
paragraph := newStyledParagraph(itemCell.TextStyle)
|
||||
paragraph.SetMargins(0, 0, 1, 0)
|
||||
paragraph.Append(itemCell.Value)
|
||||
|
||||
@ -603,31 +627,12 @@ func (i *Invoice) generateLineBlocks(ctx DrawContext) ([]*Block, DrawContext, er
|
||||
func (i *Invoice) generateTotalBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
|
||||
table := newTable(2)
|
||||
table.SetMargins(0, 0, 5, 35)
|
||||
|
||||
mediumGrey := ColorRGBFrom8bit(195, 195, 195)
|
||||
|
||||
cell := table.NewCell()
|
||||
cell.SetBorder(CellBorderSideTop, CellBorderStyleSingle, 1)
|
||||
cell.SetBorderColor(mediumGrey)
|
||||
|
||||
if i.notes != "" {
|
||||
noteParagraphs := i.drawSection("Notes", i.notes)
|
||||
|
||||
noteDivision := newDivision()
|
||||
for _, noteParagraph := range noteParagraphs {
|
||||
noteParagraph.SetMargins(0, 0, 5, 0)
|
||||
noteDivision.Add(noteParagraph)
|
||||
}
|
||||
|
||||
cell.SetContent(noteDivision)
|
||||
}
|
||||
table.SkipCells(1)
|
||||
|
||||
totalsTable := i.drawTotals()
|
||||
totalsTable.SetMargins(0, 0, 5, 0)
|
||||
|
||||
cell = table.NewCell()
|
||||
cell.SetBorder(CellBorderSideTop, CellBorderStyleSingle, 1)
|
||||
cell.SetBorderColor(mediumGrey)
|
||||
cell := table.NewCell()
|
||||
cell.SetContent(totalsTable)
|
||||
|
||||
return table.GeneratePageBlocks(ctx)
|
||||
@ -636,11 +641,22 @@ func (i *Invoice) generateTotalBlocks(ctx DrawContext) ([]*Block, DrawContext, e
|
||||
func (i *Invoice) generateNoteBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
|
||||
division := newDivision()
|
||||
|
||||
if i.terms != "" {
|
||||
termParagraphs := i.drawSection("Terms and conditions", i.terms)
|
||||
for _, termParagraph := range termParagraphs {
|
||||
termParagraph.SetMargins(0, 0, 5, 0)
|
||||
division.Add(termParagraph)
|
||||
sections := [][2]string{
|
||||
i.notes,
|
||||
i.terms,
|
||||
}
|
||||
sections = append(sections, i.sections...)
|
||||
|
||||
for _, section := range sections {
|
||||
if section[1] != "" {
|
||||
paragraphs := i.drawSection(section[0], section[1])
|
||||
for _, paragraph := range paragraphs {
|
||||
division.Add(paragraph)
|
||||
}
|
||||
|
||||
sepParagraph := newStyledParagraph(i.defaultStyle)
|
||||
sepParagraph.SetMargins(0, 0, 20, 0)
|
||||
division.Add(sepParagraph)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user