Base classes for visit reports/tracking in clinicedc/edc.
Project description
|pypi| |travis| |coverage|
edc-visit-tracking
------------------
Track study participant visit reports.
Declaring a visit model
+++++++++++++++++++++++
A **visit_model** is declared using the model mixin `VisitModelMixin`. Normally, a **visit_model** will be declared with additional model mixins, but `VisitModelMixin` must be there.
.. code-block:: python
class SubjectVisit(VisitModelMixin, BaseUuidModel):
...
Also, ensure the `Meta` class attributes of `VisitModelMixin` are inherited. These include required constraints and ordering.
.. code-block:: python
class SubjectVisit(VisitModelMixin, BaseUuidModel):
...
class Meta(VisitModelMixin.Meta):
pass
Among other features, `VisitModelMixin` adds a `OneToOneField` foreign key to the **visit_model** that points to `edc_appointment.Appointment`.
Important: A **visit model** is a special model in the EDC. A model declared with the model mixin, `VisitModelMixin`, is the definition of a **visit model**. CRFs and Requisitions have a foreign key pointing to a **visit model**. A number of methods on CRFs and Requisitions detect their **visit model** foreign key name, model class and value by looking for the FK declared with `VisitModelMixin`.
For a subject that requires ICF the **visit model** would look like this:
.. code-block:: python
class SubjectVisit(VisitModelMixin, OffstudyMixin, CreatesMetadataModelMixin,
RequiresConsentModelMixin, BaseUuidModel):
class Meta(VisitModelMixin.Meta):
consent_model = 'myapp.subjectconsent' # for RequiresConsentModelMixin
If the subject does not require ICF, such as an infant, don't include the `RequiresConsentModelMixin`:
.. code-block:: python
class InfantVisit(VisitModelMixin, OffstudyMixin,
CreatesMetadataModelMixin, BaseUuidModel):
class Meta(VisitModelMixin.Meta):
pass
Declaring a CRF
+++++++++++++++
The `CrfModelMixin` is required for all CRF models. CRF models have a `OneToOneField` key to a **visit model**.
.. code-block:: python
class CrfOne(CrfModelMixin, OffstudyCrfModelMixin, RequiresConsentModelMixin,
UpdatesCrfMetadataModelMixin, BaseUuidModel):
subject_visit = models.OneToOneField(SubjectVisit)
f1 = models.CharField(max_length=10, default='erik')
vl = models.CharField(max_length=10, default=NO)
rdb = models.CharField(max_length=10, default=NO)
class Meta:
consent_model = 'myapp.subjectconsent' # for RequiresConsentModelMixin
Declaring forms:
+++++++++++++++
The `VisitFormMixin` includes a number of common validations in the `clean` method:
.. code-block:: python
class SubjectVisitForm(VisitFormMixin, forms.ModelForm):
class Meta:
model = SubjectVisit
`PreviousVisitModelMixin`
++++++++++++++++++++++++
The `PreviousVisitModelMixin` ensures that visits are entered in sequence. It is included with the `VisitModelMixin`.
.. |pypi| image:: https://img.shields.io/pypi/v/edc-visit-tracking.svg
:target: https://pypi.python.org/pypi/edc-visit-tracking
.. |travis| image:: https://travis-ci.org/clinicedc/edc-visit-tracking.svg?branch=develop
:target: https://travis-ci.org/clinicedc/edc-visit-tracking
.. |coverage| image:: https://coveralls.io/repos/github/clinicedc/edc-visit-tracking/badge.svg?branch=develop
:target: https://coveralls.io/github/clinicedc/edc-visit-tracking?branch=develop
edc-visit-tracking
------------------
Track study participant visit reports.
Declaring a visit model
+++++++++++++++++++++++
A **visit_model** is declared using the model mixin `VisitModelMixin`. Normally, a **visit_model** will be declared with additional model mixins, but `VisitModelMixin` must be there.
.. code-block:: python
class SubjectVisit(VisitModelMixin, BaseUuidModel):
...
Also, ensure the `Meta` class attributes of `VisitModelMixin` are inherited. These include required constraints and ordering.
.. code-block:: python
class SubjectVisit(VisitModelMixin, BaseUuidModel):
...
class Meta(VisitModelMixin.Meta):
pass
Among other features, `VisitModelMixin` adds a `OneToOneField` foreign key to the **visit_model** that points to `edc_appointment.Appointment`.
Important: A **visit model** is a special model in the EDC. A model declared with the model mixin, `VisitModelMixin`, is the definition of a **visit model**. CRFs and Requisitions have a foreign key pointing to a **visit model**. A number of methods on CRFs and Requisitions detect their **visit model** foreign key name, model class and value by looking for the FK declared with `VisitModelMixin`.
For a subject that requires ICF the **visit model** would look like this:
.. code-block:: python
class SubjectVisit(VisitModelMixin, OffstudyMixin, CreatesMetadataModelMixin,
RequiresConsentModelMixin, BaseUuidModel):
class Meta(VisitModelMixin.Meta):
consent_model = 'myapp.subjectconsent' # for RequiresConsentModelMixin
If the subject does not require ICF, such as an infant, don't include the `RequiresConsentModelMixin`:
.. code-block:: python
class InfantVisit(VisitModelMixin, OffstudyMixin,
CreatesMetadataModelMixin, BaseUuidModel):
class Meta(VisitModelMixin.Meta):
pass
Declaring a CRF
+++++++++++++++
The `CrfModelMixin` is required for all CRF models. CRF models have a `OneToOneField` key to a **visit model**.
.. code-block:: python
class CrfOne(CrfModelMixin, OffstudyCrfModelMixin, RequiresConsentModelMixin,
UpdatesCrfMetadataModelMixin, BaseUuidModel):
subject_visit = models.OneToOneField(SubjectVisit)
f1 = models.CharField(max_length=10, default='erik')
vl = models.CharField(max_length=10, default=NO)
rdb = models.CharField(max_length=10, default=NO)
class Meta:
consent_model = 'myapp.subjectconsent' # for RequiresConsentModelMixin
Declaring forms:
+++++++++++++++
The `VisitFormMixin` includes a number of common validations in the `clean` method:
.. code-block:: python
class SubjectVisitForm(VisitFormMixin, forms.ModelForm):
class Meta:
model = SubjectVisit
`PreviousVisitModelMixin`
++++++++++++++++++++++++
The `PreviousVisitModelMixin` ensures that visits are entered in sequence. It is included with the `VisitModelMixin`.
.. |pypi| image:: https://img.shields.io/pypi/v/edc-visit-tracking.svg
:target: https://pypi.python.org/pypi/edc-visit-tracking
.. |travis| image:: https://travis-ci.org/clinicedc/edc-visit-tracking.svg?branch=develop
:target: https://travis-ci.org/clinicedc/edc-visit-tracking
.. |coverage| image:: https://coveralls.io/repos/github/clinicedc/edc-visit-tracking/badge.svg?branch=develop
:target: https://coveralls.io/github/clinicedc/edc-visit-tracking?branch=develop
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