wagtail_bakerydemo/bakerydemo/base/models.py

from __future__ import unicode_literals

from django.db import models
from modelcluster.fields import ParentalKey
from modelcluster.models import ClusterableModel
from wagtail.admin.panels import FieldPanel, FieldRowPanel, InlinePanel, MultiFieldPanel
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
from wagtail.fields import RichTextField, StreamField
from wagtail.models import Collection, Page
from wagtail.search import index
from wagtail.snippets.models import register_snippet

from .blocks import BaseStreamBlock


@register_snippet
class People(index.Indexed, ClusterableModel):
    """
    A Django model to store People objects.
    It uses the `@register_snippet` decorator to allow it to be accessible
    via the Snippets UI (e.g. /admin/snippets/base/people/)

    `People` uses the `ClusterableModel`, which allows the relationship with
    another model to be stored locally to the 'parent' model (e.g. a PageModel)
    until the parent is explicitly saved. This allows the editor to use the
    'Preview' button, to preview the content, without saving the relationships
    to the database.
    https://github.com/wagtail/django-modelcluster
    """

    first_name = models.CharField("First name", max_length=254)
    last_name = models.CharField("Last name", max_length=254)
    job_title = models.CharField("Job title", max_length=254)

    image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
    )

    panels = [
        MultiFieldPanel(
            [
                FieldRowPanel(
                    [
                        FieldPanel("first_name", classname="col6"),
                        FieldPanel("last_name", classname="col6"),
                    ]
                )
            ],
            "Name",
        ),
        FieldPanel("job_title"),
        FieldPanel("image"),
    ]

    search_fields = [
        index.SearchField("first_name"),
        index.SearchField("last_name"),
    ]

    @property
    def thumb_image(self):
        # Returns an empty string if there is no profile pic or the rendition
        # file can't be found.
        try:
            return self.image.get_rendition("fill-50x50").img_tag()
        except:  # noqa: E722 FIXME: remove bare 'except:'
            return ""

    def __str__(self):
        return "{} {}".format(self.first_name, self.last_name)

    class Meta:
        verbose_name = "Person"
        verbose_name_plural = "People"


@register_snippet
class FooterText(models.Model):
    """
    This provides editable text for the site footer. Again it uses the decorator
    `register_snippet` to allow it to be accessible via the admin. It is made
    accessible on the template via a template tag defined in base/templatetags/
    navigation_tags.py
    """

    body = RichTextField()

    panels = [
        FieldPanel("body"),
    ]

    def __str__(self):
        return "Footer text"

    class Meta:
        verbose_name_plural = "Footer Text"


class StandardPage(Page):
    """
    A generic content page. On this demo site we use it for an about page but
    it could be used for any type of page content that only needs a title,
    image, introduction and body field
    """

    introduction = models.TextField(help_text="Text to describe the page", blank=True)
    image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Landscape mode only; horizontal width between 1000px and 3000px.",
    )
    body = StreamField(
        BaseStreamBlock(), verbose_name="Page body", blank=True, use_json_field=True
    )
    content_panels = Page.content_panels + [
        FieldPanel("introduction", classname="full"),
        FieldPanel("body"),
        FieldPanel("image"),
    ]


class HomePage(Page):
    """
    The Home Page. This looks slightly more complicated than it is. You can
    see if you visit your site and edit the homepage that it is split between
    a:
    - Hero area
    - Body area
    - A promotional area
    - Moveable featured site sections
    """

    # Hero section of HomePage
    image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Homepage image",
    )
    hero_text = models.CharField(
        max_length=255, help_text="Write an introduction for the bakery"
    )
    hero_cta = models.CharField(
        verbose_name="Hero CTA",
        max_length=255,
        help_text="Text to display on Call to Action",
    )
    hero_cta_link = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        verbose_name="Hero CTA link",
        help_text="Choose a page to link to for the Call to Action",
    )

    # Body section of the HomePage
    body = StreamField(
        BaseStreamBlock(),
        verbose_name="Home content block",
        blank=True,
        use_json_field=True,
    )

    # Promo section of the HomePage
    promo_image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Promo image",
    )
    promo_title = models.CharField(
        blank=True, max_length=255, help_text="Title to display above the promo copy"
    )
    promo_text = RichTextField(
        null=True, blank=True, help_text="Write some promotional copy"
    )

    # Featured sections on the HomePage
    # You will see on templates/base/home_page.html that these are treated
    # in different ways, and displayed in different areas of the page.
    # Each list their children items that we access via the children function
    # that we define on the individual Page models e.g. BlogIndexPage
    featured_section_1_title = models.CharField(
        blank=True, max_length=255, help_text="Title to display above the promo copy"
    )
    featured_section_1 = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="First featured section for the homepage. Will display up to "
        "three child items.",
        verbose_name="Featured section 1",
    )

    featured_section_2_title = models.CharField(
        blank=True, max_length=255, help_text="Title to display above the promo copy"
    )
    featured_section_2 = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Second featured section for the homepage. Will display up to "
        "three child items.",
        verbose_name="Featured section 2",
    )

    featured_section_3_title = models.CharField(
        blank=True, max_length=255, help_text="Title to display above the promo copy"
    )
    featured_section_3 = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Third featured section for the homepage. Will display up to "
        "six child items.",
        verbose_name="Featured section 3",
    )

    content_panels = Page.content_panels + [
        MultiFieldPanel(
            [
                FieldPanel("image"),
                FieldPanel("hero_text", classname="full"),
                MultiFieldPanel(
                    [
                        FieldPanel("hero_cta"),
                        FieldPanel("hero_cta_link"),
                    ]
                ),
            ],
            heading="Hero section",
        ),
        MultiFieldPanel(
            [
                FieldPanel("promo_image"),
                FieldPanel("promo_title"),
                FieldPanel("promo_text"),
            ],
            heading="Promo section",
        ),
        FieldPanel("body"),
        MultiFieldPanel(
            [
                MultiFieldPanel(
                    [
                        FieldPanel("featured_section_1_title"),
                        FieldPanel("featured_section_1"),
                    ]
                ),
                MultiFieldPanel(
                    [
                        FieldPanel("featured_section_2_title"),
                        FieldPanel("featured_section_2"),
                    ]
                ),
                MultiFieldPanel(
                    [
                        FieldPanel("featured_section_3_title"),
                        FieldPanel("featured_section_3"),
                    ]
                ),
            ],
            heading="Featured homepage sections",
            classname="collapsible",
        ),
    ]

    def __str__(self):
        return self.title


class GalleryPage(Page):
    """
    This is a page to list locations from the selected Collection. We use a Q
    object to list any Collection created (/admin/collections/) even if they
    contain no items. In this demo we use it for a GalleryPage,
    and is intended to show the extensibility of this aspect of Wagtail
    """

    introduction = models.TextField(help_text="Text to describe the page", blank=True)
    image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
        help_text="Landscape mode only; horizontal width between 1000px and " "3000px.",
    )
    body = StreamField(
        BaseStreamBlock(), verbose_name="Page body", blank=True, use_json_field=True
    )
    collection = models.ForeignKey(
        Collection,
        limit_choices_to=~models.Q(name__in=["Root"]),
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        help_text="Select the image collection for this gallery.",
    )

    content_panels = Page.content_panels + [
        FieldPanel("introduction", classname="full"),
        FieldPanel("body"),
        FieldPanel("image"),
        FieldPanel("collection"),
    ]

    # Defining what content type can sit under the parent. Since it's a blank
    # array no subpage can be added
    subpage_types = []


class FormField(AbstractFormField):
    """
    Wagtailforms is a module to introduce simple forms on a Wagtail site. It
    isn't intended as a replacement to Django's form support but as a quick way
    to generate a general purpose data-collection form or contact form
    without having to write code. We use it on the site for a contact form. You
    can read more about Wagtail forms at:
    https://docs.wagtail.org/en/stable/reference/contrib/forms/index.html
    """

    page = ParentalKey("FormPage", related_name="form_fields", on_delete=models.CASCADE)


class FormPage(AbstractEmailForm):
    image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=models.SET_NULL,
        related_name="+",
    )
    body = StreamField(BaseStreamBlock(), use_json_field=True)
    thank_you_text = RichTextField(blank=True)

    # Note how we include the FormField object via an InlinePanel using the
    # related_name value
    content_panels = AbstractEmailForm.content_panels + [
        FieldPanel("image"),
        FieldPanel("body"),
        InlinePanel("form_fields", label="Form fields"),
        FieldPanel("thank_you_text", classname="full"),
        MultiFieldPanel(
            [
                FieldRowPanel(
                    [
                        FieldPanel("from_address", classname="col6"),
                        FieldPanel("to_address", classname="col6"),
                    ]
                ),
                FieldPanel("subject"),
            ],
            "Email",
        ),
    ]