New job: unit conversion. Refactoring to modules

jobs/base.py

@@ -0,0 +1,24 @@
+from datetime import datetime
+
+class Job:
+    def get_name(self):
+        raise NotImplementedError
+
+    def print_body(self, p):
+        raise NotImplementedError
+
+    def run(self, p):
+        # Shared Header
+        p.set(align='center', height=2, width=2, bold=True)
+        p.text(f"{self.get_name()}\n")
+        p.text("-------------\n")
+        
+        p.set(align='left', height=1, width=1, bold=False)
+        now = datetime.now().strftime("%d.%m.%Y %H:%M")
+        p.text(f"Datum: {now}\n\n")
+        
+        # Job specific body
+        self.print_body(p)
+        
+        # Cut
+        p.cut()

jobs/math_homework.py

@@ -0,0 +1,14 @@
+import random
+from .base import Job
+
+class MathHomeworkJob(Job):
+    def get_name(self):
+        return "MALA NASOBILKA"
+
+    def print_body(self, p):
+        p.text("Vypocitej:\n\n")
+        for i in range(1, 11):
+            num1 = random.randint(2, 12)
+            num2 = random.randint(2, 12)
+            p.text(f"{i}) {num1} * {num2} = ____\n\n")
+        p.text("Hodne stesti!\n")

jobs/unit_conversion.py

@@ -0,0 +1,39 @@
+import random
+from .base import Job
+
+class UnitConversionJob(Job):
+    def get_name(self):
+        return "PREVODY JEDNOTEK"
+
+    def print_body(self, p):
+        p.text("Preved:\n\n")
+        
+        # (from_unit, to_unit, factor)
+        conversions = [
+            ('kg', 'g', 1000),
+            ('km', 'm', 1000),
+            ('m', 'cm', 100),
+            ('cm', 'mm', 10),
+            ('h', 'min', 60),
+            ('min', 's', 60)
+        ]
+
+        for i in range(1, 11):
+            u_from, u_to, factor = random.choice(conversions)
+            
+            # Randomly choose direction (multiply or divide)
+            if random.choice([True, False]):
+                # Big to Small (Multiply)
+                val = random.randint(1, 20)
+                question = f"{val} {u_from}"
+                target_unit = u_to
+            else:
+                # Small to Big (Divide) - ensure clean integer
+                target = random.randint(1, 20)
+                val = target * factor
+                question = f"{val} {u_to}"
+                target_unit = u_from
+            
+            p.text(f"{i}) {question} = ____ {target_unit}\n\n")
+            
+        p.text("Hodne stesti!\n")