# coding: utf-8
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try:
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from reportlab.lib.pagesizes import A4
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from reportlab.lib.units import inch
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from reportlab.pdfgen.canvas import Canvas
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W, H = A4
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except ImportError:
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# Don't crash if reportlab is not installed.
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Canvas = object
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def f(dt):
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return dt.strftime("%b. %-d, %Y")
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class PdfInvoice(Canvas):
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def __init__(self, fileobj):
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Canvas.__init__(self, fileobj, pagesize=A4, pageCompression=0)
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self.head_y = H - inch * 0.5
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def linefeed(self):
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self.head_y -= inch / 8
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def text(self, s, align="left", size=10, bold=False):
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self.head_y -= inch / 24
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self.linefeed()
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self.setFont("Helvetica-Bold" if bold else "Helvetica", size)
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if align == "left":
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self.drawString(inch * 0.5, self.head_y, s)
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elif align == "right":
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self.drawRightString(W - inch * 0.5, self.head_y, s)
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elif align == "center":
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self.drawCentredString(W / 2, self.head_y, s)
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self.head_y -= inch / 24
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def hr(self):
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self.setLineWidth(inch / 72 / 8)
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self.line(inch * 0.5, self.head_y, W - inch * 0.5, self.head_y)
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def row(self, items, align="left", bold=False, size=10):
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self.head_y -= inch / 8
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self.linefeed()
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self.setFont("Helvetica-Bold" if bold else "Helvetica", size)
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self.drawString(inch * 0.5, self.head_y, items[0])
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self.drawString(inch * 3.5, self.head_y, items[1])
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self.drawString(inch * 5.5, self.head_y, items[2])
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self.drawRightString(W - inch * 0.5, self.head_y, items[3])
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self.head_y -= inch / 8
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def render(self, tx, bill_to):
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invoice_id = "MS-HC-%s" % tx.id.upper()
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self.setTitle(invoice_id)
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self.text("SIA Monkey See Monkey Do", size=16)
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self.linefeed()
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self.text("Gaujas iela 4-2")
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self.text("Valmiera, LV-4201, Latvia")
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self.text("VAT: LV44103100701")
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self.linefeed()
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created = f(tx.created_at)
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self.text("Date Issued: %s" % created, align="right")
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self.text("Invoice Id: %s" % invoice_id, align="right")
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self.linefeed()
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self.hr()
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self.row(["Description", "Start", "End", tx.currency_iso_code],
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bold=True)
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self.hr()
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start = f(tx.subscription_details.billing_period_start_date)
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end = f(tx.subscription_details.billing_period_end_date)
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if tx.currency_iso_code == "USD":
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amount = "$%s" % tx.amount
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elif tx.currency_iso_code == "EUR":
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amount = "€%s" % tx.amount
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else:
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amount = "%s %s" % (tx.currency_iso_code, tx.amount)
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self.row(["healthchecks.io paid plan", start, end, amount])
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self.hr()
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self.row(["", "", "", "Total: %s" % amount], bold=True)
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self.linefeed()
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self.text("Bill to:", bold=True)
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for s in bill_to.split("\n"):
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self.text(s.strip())
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self.linefeed()
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self.showPage()
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self.save()
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