Updated to have a cache that survives the restart of the application

Added ability to call the api to let the filecache refresh every night

Auctionviewer.api.pyproj

@@ -46,6 +46,7 @@
     <Folder Include="data\locationfiles\" />
     <Folder Include="models\" />
     <Folder Include="data\" />
+    <Folder Include="filecache\" />
     <Folder Include="utils\" />
   </ItemGroup>
   <ItemGroup>

app.py

@@ -19,7 +19,7 @@ def gethome():
 def getAllAuctions(countrycode):
     try:
         if countrycode not in ['NL', 'BE', 'DE']:
-            print(f'country not available: {countrycode} ')
+            print('country not available: ' + countrycode)
             return jsonify('NOT AVAILABLE COUNTRY')
 
 

cache.py

@@ -1,4 +1,10 @@
 from datetime import datetime, timedelta
+import os.path
+from pathlib import Path
+import time
+import json
+
+from models.location import JsonEncoder
 
 cache = {}
 
@@ -29,6 +35,33 @@ class CacheObj:
         self.time=datetime.now()
     
     def isOlderThanHours(self, hours):
-        #print(f'checking time cacheobject {self.time} < {datetime.now() - timedelta(hours=hours)}')
+        print('checking time cacheobject ' + self.key + ': ' + str(self.time) + " < " + str(datetime.now() - timedelta(hours=hours)))
         return self.time < datetime.now() - timedelta(hours=hours)
   
+      
+class FileCache():
+  def get(key, notOlderThanHours = 24):
+      
+      filepath = "./filecache/" + key + ".json"
+      cachefile = Path(filepath)
+      if cachefile.is_file():
+        ti_m = os.path.getmtime(filepath)
+        #checks last modified age of file, and removes it if it is too old
+        print('checking time cachefile ' + filepath + ': ' + str(ti_m) + " < " + str(time.time() - (3600 * notOlderThanHours)))
+        if(ti_m < time.time() - (3600 * notOlderThanHours)):
+          print()
+          os.remove(filepath);
+          return None;
+        
+        with open(filepath) as json_file:
+          json_data = json.load(json_file);
+          print('returning json data from cachefile: ' + key)
+          return json_data;
+        
+      return None
+
+  def add(key, obj):
+        print(str(datetime.now()) + ' adding filecacheobject ' + key);
+        json_data = JsonEncoder().encode(obj)
+        with open("./filecache/" + key + ".json", 'w') as f:
+          f.write(json_data)

runapi.py

@@ -1,5 +1,7 @@
-from app import getAllAuctions
+import requests
-from models.location import Countrycode
 
-
+response = requests.get('https://api.auctionviewer.ikbenhenk.nl//v2/auction/NL')
-result = getAllAuctions('NL');
+if(response.status_code ==200):
+  print('ran getauctions request successfull')  
+else:
+  print('A error occurred while running the getauctions request')  

utils/auctionutils.py

@@ -1,6 +1,6 @@
 from distutils.command import build
 import requests
-from cache import Cache
+from cache import Cache, FileCache
 from models.location import Auction, Auctionbrand, Countrycode, Maplocation
 from utils.locationutils import getGeoLocationByCity
 from datetime import datetime
@@ -10,7 +10,9 @@ import math
 def getAuctionlocations(countrycode: Countrycode):
     cachename = 'allauctions_' + countrycode
 
-    res = Cache.get(cachename)
+    res = FileCache.get(cachename, 23)
+
+    # res = Cache.get(cachename)
     if(res): 
       return res
     
@@ -42,7 +44,7 @@ def getAuctionlocations(countrycode: Countrycode):
         for auction in location.auctions:
             del auction.geonamelocation #removes object to not have duplicate data send to the server
 
-    Cache.add(cachename, maplocations)
+    FileCache.add(cachename, maplocations)
     return maplocations
 
 def get_geonameid(auction):