Draft: Epic/multitrade

issue: https://gitlab.prozorro.sale/prozorro-sale/auction/-/issues/251

src/prozorro_sale/auction/packages/multitrade/states.py

@@ -13,6 +13,9 @@ class Pending(
 ):
     def onEnter(self, *args, **kwargs):
         super().onEnter(*args, **kwargs)
+        self._auction.public_meta = {
+            'timeline': self._generate_timeline(),
+        }
         self.end_time = self._auction.startDate
 
     def timer_tick(self, db, *args, **kwargs):
@@ -20,6 +23,40 @@ class Pending(
         if now >= self.end_time:
             self._auction.set_state(self.next_state, db=db)
 
+    def _generate_timeline(self):
+        """
+        Generate multitrade auction timeline. Count duration of pause, rounds duration.
+
+        Returns:
+            list: Timeline with rounds duration.
+        """
+        return [
+            {
+                'title': {'uk_UA': 'Початок аукціону', 'en_US': 'Auction start'},
+                'start': utils.dt_to_str(self._auction.startDate),
+                'end': utils.dt_to_str(self._auction.startDate),
+                'anchor': '#startauction'
+            },
+            {
+                'title': {'uk_UA': 'Основний час аукціону', 'en_US': 'Main auction time'},
+                'start': None,
+                'end': None,
+                'anchor': '#mainauction'
+            },
+            {
+                'title': {'uk_UA': 'Додатковий час аукціону', 'en_US': 'Additional auction time'},
+                'start': None,
+                'end': None,
+                'anchor': '#additionalauction'
+            },
+            {
+                'title': {'uk_UA': 'Оголошення результатів', 'en_US': 'Announcement'},
+                'start': None,
+                'end': None,
+                'anchor': '#results'
+            },
+        ]
+
 
 class SimultaneousRound(
     mixins._CancellationMixin,
@@ -41,7 +78,7 @@ class SimultaneousRound(
 
     def _generate_timeline(self):
         """
-        Generate priority english auction timeline. Count duration of pause, rounds duration.
+        Generate multitrade auction timeline. Count duration of pause, rounds duration.
 
         Returns:
             list: Timeline with rounds duration.