Initial Commit

video.py

@@ -0,0 +1,132 @@
+from datetime import timedelta
+from datetime import datetime
+from datetime import timezone
+from environment import *
+from utility import *
+import os
+
+class Video:
+    def __init__(self):
+        self.description=None
+        self.url=None
+        self.icon=None
+        self.timestamp=DateTime()
+        self.feedTimeOffset='just now'
+        self.feedtime=datetime.now()
+
+    def __init__(self, description, url):
+        self.description=description
+        self.url=url
+        self.icon=None
+        self.timestamp=DateTime()
+        self.feedTimeOffset='just now'
+        self.feedtime=datetime.now()
+
+    def __init__(self, description, url, icon, timestamp=None):
+        self.description=description
+        self.url=url
+        self.icon=icon
+        if None==timestamp:
+            self.timestamp=DateTime()
+        else:
+            self.timestamp=timestamp
+        self.feedTimeOffset='just now'
+        self.feedtime=datetime.now()
+
+    def getDescription(self):
+        return self.description
+
+    def getUrl(self):
+        return self.url
+
+    def getIcon(self):
+        return self.icon
+
+    def getTimestamp(self):
+        return self.timestamp
+
+# This is a datetime.  This time gets calculated by applying the feedtime offset to today.  
+    def setFeedTime(self,feedtime):
+        self.feedtime=feedtime
+
+    def getFeedTime(self):
+        return self.feedtime
+
+# This is the <time> section in the video feed.  '16 mins ago', 'May 5', 'July 14 2023' etc.,
+    def getFeedTimeOffset(self):
+        return self.feedTimeOffset
+
+    def setFeedTimeOffset(self, feedtimeoffset):
+        self.feedTimeOffset=feedtimeoffset
+
+    def toString(self):
+        return(self.description+"|"+self.url+"|"+self.icon+"|"+self.timestamp.toString())
+
+    @staticmethod
+    def fromString(line):
+        splits=line.split("|")
+        description=splits[0].strip()
+        url=splits[1].strip()
+        icon=splits[2].strip()
+        timestamp=DateTime(splits[3].strip())
+        return(Video(description,url,icon,timestamp))
+
+    @staticmethod
+    def sort(videoList):
+      return sorted(videoList, key=lambda x:x.getTimestamp().toString(),reverse=True)
+
+    def getPureDescription(self):
+      textElement=StringHelper.betweenString(self.description,None,'-')
+      timeElement=StringHelper.betweenString(self.description,'-',None)
+      durationElement=StringHelper.betweenString(timeElement,' ',' ')
+      newDescription=textElement+'-'+' '+ durationElement+' ('+self.getTimestamp().toStringMonthDay()+')'
+      return newDescription
+
+# This method takes a dictionary of video
+    @staticmethod
+    def write(pathOutputFile, videos):
+     unique={}
+
+     if None == videos:
+        return
+     
+     if os.path.exists(pathOutputFile):
+        print('Removing {file}'.format(file=pathOutputFile))
+        os.remove(pathOutputFile)
+     
+     videoList=list(videos.values())
+     for video in videoList:
+       heading = StringHelper.betweenString(video.getDescription(), None, '-')
+       if not heading in unique:
+         unique[heading]=video
+     videoList=Video.sort(list(unique.values()))
+     with open(pathOutputFile, "w", encoding='utf-8') as outputStream: 
+       for video in videoList:
+         outputStream.write(video.toString()+'\r\n')
+     outputStream.close()
+     print('wrote {lines} lines to {file}'.format(lines=len(videoList),file=pathOutputFile))
+     return
+
+# This method returns a dictionary so caller must use videos=list(load("").values()) to create a list
+    @staticmethod
+    def load(pathfilename):
+        unique={}
+        videos={}
+
+        if not os.path.exists(pathfilename):
+           return videos
+        try:  
+          with open(pathfilename, "r", encoding='utf-8') as inputStream:
+            for line in inputStream:
+              lowerLine=line.lower()
+              heading = StringHelper.betweenString(line, None, '-')
+              if not heading in unique:
+                unique[heading]=heading
+                video = Video.fromString(line)
+                video.description=video.getPureDescription()
+                videos[video.description]=video
+          inputStream.close()
+          return videos
+        except Exception as exception:
+          print('Exception reading {file} {exception}'.format(file=pathfilename,exception=exception))
+          return None