Display objects from different models at the same page according to their published date

[Aamu Padi]

I have three different models for my app. All are working as I expected. 

    class Tender(models.Model):

        title = models.CharField(max_length=256)

        description = models.TextField()

        department = models.CharField(max_length=50)

        address = models.CharField(max_length=50)

        nature_of_work = models.CharField(choices=WORK_NATURE, max_length=1)

        period_of_completion = models.DateField()

        pubdat = models.DateTimeField(default=timezone.now)    

    

    class Job(models.Model):

        user = models.ForeignKey(settings.AUTH_USER_MODEL)

        title = models.CharField(max_length=256)

        qualification = models.CharField(max_length=256)

        interview_type = models.CharField(max_length=2, choices=INTERVIEW_TYPE)

        type_of_job = models.CharField(max_length=1, choices=JOB_TYPE)

        number_of_vacancies = models.IntegerField()

        employer = models.CharField(max_length=50)

        salary = models.IntegerField()    

        pubdat = models.DateTimeField(default=timezone.now)

    

    class News(models.Model):

        user = models.ForeignKey(settings.AUTH_USER_MODEL)

        title = models.CharField(max_length=150)

        body = models.TextField()

        pubdat = models.DateTimeField(default=timezone.now)

Now I am displaying each of them at separate page for each of the model (e.g. in the *jobs* page, I am displaying only the jobs.). But now at the home page, I want to display these according to their published date at the same page. How can I display different objects from different models at the same page? Do I make a separate model e.g. `class Post` and then use signal to create a new post whenever a new object is created from `Tender`, or `Job`, or `News`? I  really hope there is a better way to achieve this. Please help me. Thank you.

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[Aamu Padi]

This is just a follow up of my question.

I don't want to show each of the model objects separately at the same page. But like feeds of facebook or any other social media. Suppose a new Job object was created, and after that a new News object is created. Then, I want to show the News object first, and then the Job object, and so on.

[Rafael Guillén]

Instead of making them entirely separate models, you can use one model as a base and have the other models inherit from them, then you display the base model. I think this might be a good fit for multi-table inheritance. See if this helps:

https://docs.djangoproject.com/en/1.9/topics/db/models/#model-inheritance

[Aamu Padi]

Yes, I too was thinking about that. I had doubts about the space and the performance of it. Do you see any downside \on the space and performance?

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