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