added descriptions

backend/src/utils/landmarks_manager.py

@@ -246,8 +246,6 @@ class LandmarkManager:
                                 attractiveness=0,
                                 n_tags=len(tags))
 
-            # self.logger.debug('added landmark.')
-
             # Browse through tags to add information to landmark.
             for key, value in tags.items():
 
@@ -277,6 +275,7 @@ class LandmarkManager:
                 if 'building:' in key or 'pay' in key :
                     landmark.n_tags -= 1
 
+
                 # Set the duration.
                 if value in ['museum', 'aquarium', 'planetarium'] :
                     landmark.duration = 60
@@ -287,13 +286,103 @@ class LandmarkManager:
                     landmark.is_place_of_worship = False
                     landmark.duration = 10
 
-            else:
-                self.set_landmark_score(landmark, landmarktype, preference_level)
-                landmarks.append(landmark)
+            landmark.description, landmark.keywords = self.description_and_keywords(tags)
+            self.set_landmark_score(landmark, landmarktype, preference_level)
+            landmarks.append(landmark)
 
             continue
 
+
         return landmarks
+    
+    
+    def description_and_keywords(self, tags: dict):
+        # Extract relevant fields
+        name = tags.get('name')
+        importance = tags.get('importance', None)
+        n_visitors = tags.get('tourism:visitors', None)
+        height = tags.get('height')
+        place_type = self.get_place_type(tags)
+        date = self.get_date(tags)
+
+        if place_type is None :
+            return None, None
+
+        # Start the description.
+        if importance is None :
+            if len(tags.keys()) < 5 :
+                return None, None
+            if len(tags.keys()) < 10 :
+                description = f"{name} is a well known {place_type}."
+                
+            if len(tags.keys()) < 17 :
+                importance = 'national'
+                description = f"{name} is a {place_type} of national importance."
+            else :
+                importance = 'international'
+                description = f"{name} is an internationally famous {place_type}."
+        else :
+            description = f"{name} is a {place_type} of {importance} importance."
+
+        if height is not None and date is not None :
+            description += f" This {place_type} was constructed in {date} and is ca. {height} meters high."
+        elif height is not None :
+            description += f" This {place_type} stands ca. {height} meters tall."
+        elif date is not None: 
+            description += f" It was constructed in {date}."
+        
+        # Format the visitor number
+        if n_visitors is not None :
+            n_visitors = int(n_visitors)
+            if n_visitors > 1000 :
+                description += f" {name} welcomes {int(n_visitors/1000)} thousand visitors every year."
+            if n_visitors > 1000000 :
+                description += f" {name} welcomes {round(n_visitors/1000000, 1)} millionvisitors every year."
+
+        # Set the keywords.
+        keywords = {"importance": importance,
+                    "height": height,
+                    "place_type": place_type,
+                    "date": date}
+
+        return description, keywords
+
+
+    def get_place_type(self, data):
+        amenity = data.get('amenity', None)
+        building = data.get('building', None)
+        historic = data.get('historic', None)
+
+        if historic and historic != "yes":
+            return historic
+        if building and building not in ["yes", "civic", "government", "apartments", "residential", "commericial", "industrial", "retail", "religious", "public", "service"]:
+            return building
+        if amenity:
+            return amenity
+
+        return None
+
+
+    def get_date(self, data):
+        construction_date = data.get('construction_date', None)
+        opening_date = data.get('opening_date', None)
+        start_date = data.get('start_date', None)
+        year_of_construction = data.get('year_of_construction', None)
+
+        # Prioritize based on availability
+        if construction_date:
+            return construction_date
+        if start_date:
+            return start_date
+        if year_of_construction:
+            return year_of_construction
+        if opening_date:
+            return opening_date
+
+        return None
+
+    
+
 
 def dict_to_selector_list(d: dict) -> list:
     """
@@ -315,3 +404,5 @@ def dict_to_selector_list(d: dict) -> list:
         else:
             return_list.append(f'{key}={value}')
     return return_list
+
+