Leyenda cancelada en PDF a partir de JSON

source/app/controllers/helper.py

@@ -29,6 +29,9 @@ from reportlab.platypus import Paragraph, Table, TableStyle, Spacer
 from reportlab.pdfgen import canvas
 
 
+CANCEL = False
+
+
 #~ https://github.com/kennethreitz/requests/blob/v1.2.3/requests/structures.py#L37
 class CaseInsensitiveDict(collections.MutableMapping):
     """A case-insensitive ``dict``-like object.
@@ -358,6 +361,7 @@ class NumberedCanvas(canvas.Canvas):
         for state in self._saved_page_states:
             self.__dict__.update(state)
             self.draw_page_number(page_count)
+            self.draw_cancel()
             canvas.Canvas.showPage(self)
         canvas.Canvas.save(self)
         return
@@ -375,6 +379,15 @@ class NumberedCanvas(canvas.Canvas):
         self.drawString(1.5 * cm, 1.5 * cm, text)
         return
 
+    def draw_cancel(self):
+        global CANCEL
+        if CANCEL:
+            self.rotate(45)
+            self.setFont('Helvetica', 100)
+            self.setFillColor(colors.red)
+            text = 'Cancelada'
+            self.drawCentredString(20 * cm, 3 * cm, text)
+        return
 
 class TemplateInvoice(BaseDocTemplate):
 
@@ -425,6 +438,7 @@ class TemplateInvoice(BaseDocTemplate):
         logo_style = styles.pop('logo', {})
         logo_path2 = data.pop('logo2', '')
         logo_style2 = styles.pop('logo2', {})
+        sucursales = styles.pop('sucursales', {})
 
         for k, v in styles.items():
             self._set_text(styles[k], data.get(k, ''))
@@ -443,6 +457,20 @@ class TemplateInvoice(BaseDocTemplate):
                 rect[k] = rect[k] * cm
             self.canv.drawImage(logo_path2, **rect)
 
+        if sucursales:
+            for k, sucursal in sucursales.items():
+                values = sucursal.pop('textos')
+                x = sucursal['rectangulo']['x']
+                y = sucursal['rectangulo']['y']
+                w = sucursal['rectangulo']['width']
+                h = sucursal['rectangulo']['height']
+                for v in values:
+                    self._set_text(sucursal, v)
+                    y -= h
+                    sucursal['rectangulo']['x'] = x
+                    sucursal['rectangulo']['y'] = y
+                    sucursal['rectangulo']['width'] = w
+                    sucursal['rectangulo']['height'] = h
         return
 
     def _receptor(self, styles, data):
@@ -618,8 +646,10 @@ class TemplateInvoice(BaseDocTemplate):
         return self._data
     @data.setter
     def data(self, values):
-        #~ print (values)
+        global CANCEL
+        # ~ print (values)
         self._data = values
+        CANCEL = self._data['cancelada']
 
         rows = self._conceptos(self._data['conceptos'])
         widths = [2 * cm, 9 * cm, 1.5 * cm, 2 * cm, 2 * cm, 3 * cm]
@@ -645,7 +675,7 @@ class TemplateInvoice(BaseDocTemplate):
         comprobante = self._comprobante2(
             self._custom_styles['comprobante'], self.data['comprobante'])
 
-        self._rows = [Spacer(0, 6*cm), table_conceptos, totales] + comprobante
+        self._rows = [Spacer(0, 5.7 * cm), table_conceptos, totales] + comprobante
 
     def render(self):
         frame = Frame(self.leftMargin, self.bottomMargin,