From 9561d14362422876a308ea59c513c3c695a81413 Mon Sep 17 00:00:00 2001
From: "Maksim A. Boyko" <maksim.a.boyko@gmail.com>
Date: Thu, 19 Jul 2012 15:56:03 -0400
Subject: Backend: Add SJSettingsModels abstarct model

---
 backend/models.py | 62 ++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 48 insertions(+), 14 deletions(-)

(limited to 'backend/models.py')

diff --git a/backend/models.py b/backend/models.py
index d3964af..51efb82 100644
--- a/backend/models.py
+++ b/backend/models.py
@@ -5,15 +5,43 @@ from django.db import models
 from django.contrib import auth
 from django.contrib import admin
 
+class SJSettingsModel(models.Model):
+    """ ScannerJammer abstract settings model
+    """
+    settings = models.TextField(blank=True)
+
+    class Meta:
+        abstract = True
 
-class SJUserProfile(models.Model):
-    """ ScannerJammer user model """
+    def freeze_settings(self, settings_dict):
+        """ Serialize settings dictionary into settings text field
+        """
+        self.settings = '\n'.join('%s\t%s' % (str(key), str(value)) for key, value in settings_dict.iteritems())
+
+    def thaw_settings(self):
+        """ Deserialize settings text field into settings dictionary
+        """
+        settings_dict = {}
+        if self.settings:
+            for line in self.settings.split('\n'):
+                row = line.split('\t')
+                if len(row) == 2:
+                    settings_dict[row[0]] = row[1]
+        return settings_dict
+
+    def merge_settings(self, settings_dict):
+        """ Merge current setting with settings dictionary
+        """
+        self.freeze_settings(self.thaw_settings().update(settings_dict))
+
+class SJUserProfile(SJSettingsModel):
+    """ ScannerJammer user model
+    """
     user = models.OneToOneField(auth.models.User)
     nickname = models.CharField(max_length=32, blank=True)
     score = models.IntegerField(default=0, blank=True)
     access = models.IntegerField(default=0, blank=True)
     bio = models.TextField(blank=True)
-    settings = models.TextField(blank=True)
     # Backward compatibility fields
     username = models.CharField(max_length=32, blank=True) # see User.username
     password = models.CharField(max_length=32, blank=True) # see User.password (store password hash)
@@ -28,13 +56,13 @@ class SJUserProfile(models.Model):
             return "%s (%s)" % (self.username or self.user.username, self.nickname)
         return "%s" % (self.username or self.user.username)
 
-class SJRoom(models.Model):
-    """ ScannerJammer room model """
+class SJRoom(SJSettingsModel):
+    """ ScannerJammer room model
+    """
     name = models.CharField(max_length=32)
     date = models.DateField()
     private = models.BooleanField(default=False)
     tokbox = models.CharField(max_length=64)
-    settings = models.TextField()
 
     class Meta:
         verbose_name = "SJ Room"
@@ -43,7 +71,8 @@ class SJRoom(models.Model):
         return self.name
 
 class SJSiteModel(models.Model):
-    """ ScannerJammer site base model """
+    """ ScannerJammer abstract site base model
+    """
     user = models.ForeignKey(auth.models.User)
     room = models.ForeignKey(SJRoom)
     date = models.DateField()
@@ -56,20 +85,22 @@ class SJSiteModel(models.Model):
         return self.url
 
 class SJBackground(SJSiteModel):
-    """ ScannerJammer background model """
-
+    """ ScannerJammer background model
+    """
     class Meta:
         verbose_name = "SJ Background"
 
 class SJURL(SJSiteModel):
-    """ ScannerJammer url model """
+    """ ScannerJammer url model
+    """
     likes = models.IntegerField(default=0)
 
     class Meta:
         verbose_name = "SJ URL"
 
 class SJVideo(SJSiteModel):
-    """ ScannerJammer video model """
+    """ ScannerJammer video model
+    """
     title = models.CharField(max_length=100)
     likes = models.IntegerField(default=0)
     views = models.IntegerField(default=0)
@@ -80,14 +111,16 @@ class SJVideo(SJSiteModel):
         verbose_name = "SJ Video"
 
 class SJChat(SJSiteModel):
-    """ ScannerJammer chat model """
+    """ ScannerJammer chat model
+    """
     msg = models.TextField(verbose_name="Message")
 
     class Meta:
         verbose_name = "SJ Chat"
 
 class SJLike(models.Model):
-    """ ScannerJammer like model """
+    """ ScannerJammer like model
+    """
     user = models.ForeignKey(auth.models.User)
     video = models.ForeignKey(SJVideo)
     url = models.ForeignKey(SJURL, verbose_name="URL")
@@ -97,7 +130,8 @@ class SJLike(models.Model):
         verbose_name = "SJ Like"
 
 class SJSearchLog(models.Model):
-    """ SannerJammer search log """
+    """ SannerJammer search log
+    """
     date = models.DateField()
     query = models.CharField(max_length=255)
     matches = models.IntegerField(default=0)
-- 
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