Load campaign data lazily.

Error checking comes later, but the new game wizard opens much faster by
not spending time creating theaters it doesn't need.

Fixes https://github.com/Khopa/dcs_liberation/issues/469

qt_ui/main.py

@@ -128,7 +128,7 @@ def parse_args() -> argparse.Namespace:
 def create_game(campaign_path: Path, blue: str, red: str,
                 supercarrier: bool) -> Game:
     campaign = Campaign.from_json(campaign_path)
-    generator = GameGenerator(blue, red, campaign.theater,
+    generator = GameGenerator(blue, red, campaign.load_theater(),
                               Settings(supercarrier=supercarrier),
                               start_date=datetime.today(),
                               starting_budget=650,

qt_ui/windows/newgame/QCampaignList.py

@@ -4,7 +4,7 @@ import json
 import logging
 from dataclasses import dataclass
 from pathlib import Path
-from typing import List
+from typing import Any, Dict, List
 
 from PySide2 import QtGui
 from PySide2.QtCore import QItemSelectionModel
@@ -21,7 +21,8 @@ class Campaign:
     icon_name: str
     authors: str
     description: str
-    theater: ConflictTheater
+    data: Dict[str, Any]
+    path: Path
 
     @classmethod
     def from_json(cls, path: Path) -> Campaign:
@@ -29,10 +30,17 @@ class Campaign:
             data = json.load(campaign_file)
 
         sanitized_theater = data["theater"].replace(" ", "")
-        return cls(data["name"], f"Terrain_{sanitized_theater}",
-                   data.get("authors", "???"),
-                   data.get("description", ""),
-                   ConflictTheater.from_json(path.parent, data))
+        return cls(
+            data["name"],
+            f"Terrain_{sanitized_theater}",
+            data.get("authors", "???"),
+            data.get("description", ""),
+            data,
+            path
+        )
+
+    def load_theater(self) -> ConflictTheater:
+        return ConflictTheater.from_json(self.path.parent, self.data)
 
 
 def load_campaigns() -> List[Campaign]:

qt_ui/windows/newgame/QNewGameWizard.py

@@ -58,7 +58,7 @@ class NewGameWizard(QtWidgets.QWizard):
         if selectedCampaign is None:
             selectedCampaign = self.campaigns[0]
 
-        conflictTheater = selectedCampaign.theater
+        conflictTheater = selectedCampaign.load_theater()
 
         timePeriod = db.TIME_PERIODS[list(db.TIME_PERIODS.keys())[self.field("timePeriod")]]
         midGame = self.field("midGame")

resources/ui/templates/campaigntemplate_EN.j2

@@ -1,7 +1,3 @@
 <strong>Author(s): {{ campaign.authors }}</strong>
-<br/>
-<br/>
-<strong>Number of control points:</strong> {{ campaign.theater.controlpoints|length }}
-<br/>
 
 {{ campaign.description|safe }}

resources/ui/templates/campaigntemplate_FR.j2

@@ -1,7 +1,3 @@
 <strong>Auteur(s) : {{ campaign.authors }}</strong>
-<br/>
-<br/>
-<strong>Nombre de points :</strong> {{ campaign.theater.controlpoints|length }}
-<br/>
 
 {{ campaign.description|safe }}