Access url for interventions

* adds access_token as new attribute
* adds generating of access_token
* adds new form
* adds two new routes for sharing an intervention
* adds translation
* adds render_submit to BaseModalForm which triggers rendering the modal footer

intervention/forms.py

@@ -15,7 +15,7 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
 from intervention.models import Intervention
-from konova.forms import BaseForm
+from konova.forms import BaseForm, BaseModalForm
 from konova.models import Document
 from konova.settings import DEFAULT_LAT, DEFAULT_LON, DEFAULT_ZOOM
 from organisation.models import Organisation
@@ -220,6 +220,42 @@ class OpenInterventionForm(EditInterventionForm):
             self.disable_form_field(field)
 
 
+class ShareInterventionForm(BaseModalForm):
+    url = forms.CharField(
+        label=_("Share link"),
+        label_suffix="",
+        disabled=True,
+        required=False,
+        widget=forms.TextInput(
+            attrs={
+                "style": "width:100%",
+            }
+        )
+    )
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.form_title = _("Share")
+        self.form_caption = _("Send this link to users who you want to have writing access on the data.")
+        self.template = "modal/modal_form.html"
+        self.render_submit = False
+
+        # Make sure an access_token is set
+        if self.instance.access_token is None:
+            self.instance.generate_access_token()
+
+        self.share_link = self.request.build_absolute_uri(
+            reverse("intervention:share", args=(self.instance.id, self.instance.access_token,))
+        )
+        self.initialize_form_field(
+            "url",
+            self.share_link
+        )
+
+    def save(self):
+        i = 0
+
+
 class DummyFilterInput(forms.HiddenInput):
     """ A dummy input widget