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@@ -30,7 +30,7 @@ class ProjectInvoiceInline(admin.TabularInline):
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     model = ProjectInvoice
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 class ProjectAdmin(admin.ModelAdmin):
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-    list_display = ('name','start_date', 'total_invoiced', 'total_cost', 'profit')
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+    list_display = ('name', 'total_invoiced', 'total_cost', 'profit')
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     inlines = [ProjectInvoiceInline,]
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 class ProjectTimeAdmin(admin.ModelAdmin):

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@@ -114,7 +114,6 @@ class Employee(Person):
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 class Project(models.Model):
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     name = models.CharField(max_length=100)
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     employees = models.ManyToManyField(Employee)
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-    start_date = models.DateField()
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     active = models.BooleanField(default=True)
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     def __unicode__(self):
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@@ -167,6 +166,13 @@ class ProjectTime(models.Model):
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     def __unicode__(self):
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         return "%s on %s (%s-%s)" % (self.employee, self.project, self.start_date, self.end_date)
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+    
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+    def save(self, force_insert=False, force_update=False):
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+        if not self.cost:
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+            self.cost = self.hours * self.employee.hourly_rate
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+        if not self.cost_converted and self.employee.currency == "USD":
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+            self.cost_converted = self.cost
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+        super(ProjectTime, self).save(force_insert, force_update)
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 class Entry(models.Model):