Sammlung

Sammlung/Praktikum/3/ias_p2_b0.1/app/manager.py

@@ -0,0 +1,72 @@
+# coding: utf-8
+
+import os
+import time
+import codecs
+import json
+
+from app import stream
+
+class manager_cl(object):
+    exposed = True
+    
+    def __init__(self):
+        self.stream = stream.stream_cl()    
+        
+    def LIST(self):
+        chargenliste = {}
+        filenames = os.listdir('data')
+        for filename in filenames:
+            if filename.endswith('.json'):
+                charge = codecs.open(os.path.join('data', filename), 'r', 'utf-8')
+                chargeData = eval(charge.read())
+                charge.close()
+                
+                charge_id = filename[:-5]
+                chargenliste[charge_id]={}
+                chargenliste[charge_id]['chargeName'] = chargeData['info']['name']
+        print(chargenliste)
+        return json.dumps(chargenliste)
+    
+    def GET(self, nr):
+        data = {}
+        data = self.stream.loadCharge(nr)
+        return json.dumps(data)
+                 
+    def RECEIVE(self, dieCharge):
+        dieCharge = json.loads(dieCharge)
+        if dieCharge['info']['chargenNr'] == -1:
+            filenames = os.listdir('data')
+            maxNr = 0
+            for filename in filenames:
+                if filename.endswith('.json'):
+                    charge = codecs.open(os.path.join('data', filename), 'r', 'utf-8')
+                    chargeData = eval(charge.read())
+                    charge.close() 
+                
+                    if maxNr < chargeData['info']['chargenNr']:
+                        maxNr = chargeData['info']['chargenNr']
+
+            dieCharge['info']['chargenNr'] = maxNr + 1
+            name = str(maxNr + 1)
+            name += '.json'
+
+            file = codecs.open(os.path.join('data', name), 'w', 'utf-8')
+            file.write(json.dumps(dieCharge, indent = 3, ensure_ascii = True))
+            file.close()
+            
+        else:
+            name = str(dieCharge['info']['chargenNr'])
+            name += '.json'
+            
+            file = codecs.open(os.path.join('data', name), 'w', 'utf-8')
+            file.write(json.dumps(dieCharge, indent = 3, ensure_ascii = True))
+            file.close()
+    
+    def DELETE(self, nr):
+        path = 'data/'
+        path += str(nr)
+        path += '.json'
+        print(path)
+        
+        os.remove(path)