1 files changed, 103 insertions, 0 deletions
diff --git a/showcase/models.py b/showcase/models.py
new file mode 100644
index 0000000..ab04f93
--- /dev/null
+++ b/showcase/models.py
@@ -0,0 +1,103 @@
+import json
+import requests
+
+from django.conf import settings
+from django.core.cache import cache
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+
+from wagtail.admin.edit_handlers import FieldPanel
+
+from home.models import BasePage
+
+
+class ExternalSourceType(models.Model):
+    name = models.CharField(max_length=200)
+    slug = models.SlugField(max_length=200)
+    panels = [
+        FieldPanel('name'),
+        FieldPanel('slug'),
+    ]
+
+    class Meta:
+        verbose_name = _("External source type")
+        verbose_name_plural = _("External source types")
+
+    def __str__(self):
+        return self.name
+
+
+class ExternalSource(models.Model):
+    name = models.CharField(max_length=200)
+    error = models.TextField(null=True, blank=True)
+    source_type = models.ForeignKey(ExternalSourceType,
+                                    on_delete=models.PROTECT)
+    api_url = models.URLField()
+    api_key = models.CharField(max_length=500, null=True, blank=True)
+    panels = [
+        FieldPanel('name'),
+        FieldPanel('source_type'),
+        FieldPanel('api_url'),
+        FieldPanel('api_key'),
+    ]
+
+    class Meta:
+        verbose_name = _("External source")
+        verbose_name_plural = _("External sources")
+
+    def __str__(self):
+        return self.name
+
+    def get_data(self):
+        key = "{}{}-data-{}".format(
+            settings.WAGTAIL_SITE_NAME, settings.WAGTAIL_EXTRA_SLUG,
+            self.pk
+        )
+        data = cache.get(key)
+        if data:
+            return data
+        data = []
+        headers = {}
+        base_error = str(_("Error while fetching the source:")) + " "
+        if self.api_key:
+            headers = {'Authorization': 'token {}'.format(self.api_key)}
+        try:
+            response = requests.get(self.api_url, headers=headers)
+            data = json.loads(response.text)
+            cache.set(key, data)
+            self.error = ""
+        except requests.exceptions.Timeout:
+            self.error = base_error + str(_("connection time out"))
+        except requests.exceptions.TooManyRedirects:
+            self.error = base_error + str(_("too many redirection"))
+        except requests.exceptions.RequestException as e:
+            self.error = base_error + str(_("unknown error")) + " - " + str(e)
+        self.save()
+        return data
+
+    @property
+    def data(self):
+        # TODO: cache
+        return self.get_data()
+
+    def get_item(self, item_number):
+        if item_number >= len(self.data):
+            return
+        return self.data[item_number]
+
+
+class ShowCase(BasePage):
+    external_source = models.ForeignKey(ExternalSource,
+                                        on_delete=models.PROTECT)
+    content_panels = [
+        FieldPanel('slug'), FieldPanel('external_source')
+    ] + BasePage.content_panels
+
+    class Meta:
+        verbose_name = _("Show case")
+        verbose_name_plural = _("Show cases")
+
+    @property
+    def data(self):
+        return self.external_source.get_data()
+