chore: update events for label printing refs #61

examples/events.py

@@ -1,16 +1,46 @@
-""" Alarms
-
-Demonstrations of various useful features around alarms, starting
-with tailing the alarms log, and then moving on to acknowledging
+""" Events
 
 """
 import os
 import asyncio
 
+from brother_ql import BrotherQLRaster, create_label
+from brother_ql.backends.helpers import send
+from PIL import Image, ImageDraw, ImageFont
+
 from gallagher import cc
 from gallagher.cc.alarms.events import Event
 from gallagher.cc.cardholders import Cardholder
 
+# Printer model and label size setup
+PRINTER_MODEL = 'QL-700'  # Adjust to your printer model
+LABEL_WIDTH = 696  # Common width in pixels for 62mm labels
+LABEL_HEIGHT = 200  # Adjust for the height of your label
+
+def create_basic_label(text):
+
+    # Create a blank image with the specified background color
+    image = Image.new('RGB', (LABEL_WIDTH, LABEL_HEIGHT), (255, 255, 255))
+    draw = ImageDraw.Draw(image)
+
+    # Define the text and font
+    font_size = 70
+    font_color = (0, 0, 0)  # Black
+
+    font = ImageFont.load_default(font_size)
+
+    # Calculate the size of the text
+    text_bbox = draw.textbbox((0, 0), text, font=font)
+    text_width, text_height = text_bbox[2] - text_bbox[0], text_bbox[3] - text_bbox[1]
+
+    # Calculate position for centered text
+    text_x = (LABEL_WIDTH - text_width) // 2
+    text_y = (LABEL_HEIGHT - text_height) // 2
+
+    # Draw text on the image
+    draw.text((text_x, text_y), text, fill=font_color, font=font)
+    return image
+
 async def main():
     api_key = os.environ.get("GACC_API_KEY")
     cc.api_key = api_key
@@ -22,10 +52,23 @@ async def main():
         event=event,
     ):
         for update_event in updates.events:
+            print("Processing event")
             if update_event.cardholder:
-
+                print("Found cardholder in event")
                 ch = await Cardholder.retrieve(update_event.cardholder.id)
-                print(ch)
+                qlr = BrotherQLRaster(PRINTER_MODEL)
+                # qlr.exception_on_warning = True  # Enable warnings if needed
+
+                # Create label image and render to raster data
+                label_image = create_basic_label(f"{ch.last_name}, {ch.first_name}")
+                create_label(qlr, label_image, "62")
+
+                # Define backend and specify the printer connection
+                backend = 'pyusb'  # 'pyusb' for USB, 'network' if using network
+                printer_identifier = 'usb://0x04f9:0x2042'  # Replace with actual printer USB ID or network IP
+                print("Printing label")
+                # Send the print job
+                send(instructions=qlr.data, printer_identifier=printer_identifier, backend_identifier=backend)
 
 
 if __name__ == "__main__":