Differences

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--- programming:django [2018/11/26 23:52] – clemix
+++ programming:django [2019/04/24 16:22] (current) – [Static files] clemix
@@ Line 1: / Line 1: @@
-== Create a project ==
+==== Create a project ====
 <code bash>
 django-admin startproject mysite
+python manage.py migrate
+</code>
+Create a super user account, which can login via http://localhost:8000/admin
+<code bash>
+python manage.py createsuperuser
 </code>
-== Launch the server ==
+==== Launch the server ====
 <code lang=bash>
 python manage.py runserver
 </code>
-== Create a app inside a project==
+==== Create a app inside a project ====
 Everything are apps. Each app has it's own subfolder. To create a app sceleton run
 <code lang=bash>
@@ Line 15: / Line 22: @@
 </code>
-== Register URL ==
+==== Register URL ====
 In the polls/urls.py file include the following code:
 <code python polls/urls.py>
@@ Line 69: / Line 76: @@
 </code>
-== Templates ==
+==== Templates ====
 Templates are in the subfolder of the app. e.g. `mysite/polls/templates/*`
 <code html polls/templates/polls/index.html>
@@ Line 104: / Line 111: @@
-== Namespace url patterns ==
+==== Namespace url patterns ====
 Define the namespace by adding `app_name = <namespace>` inside of urls.py.
 <code python polls/urls.py>
@@ Line 118: / Line 125: @@
 </code>
-== Static files ==
+==== Static files ====
 Static files can be placed in the `static/` folder of each app.
 Then refere to them inside the template like:
@@ Line 126: / Line 133: @@
 </code>
-=== Django Rest Framework ===
+Run this command to store static files in proper folder:
+<code bash>
+python manage.py collectstatic
+</code>
+==== django_tables2 ====
+=== Mixedin ===
+<code python>
+class UsefulMixin(tables.Table):
+    age = AgeColumn()
+    options = tables.Column(empty_values=())
+    def render_options(self):
+        return format_html('<button>DELETE</button>')
+#    age = tables.Column()
+class InstanceTable(UsefulMixin, tables.Table):
+    age = AgeColumn()
+    opt = tables.LinkColumn('delete_instance', args=[A('pk')], text='delete')
+    class Meta:
+        model = Instance
+        template_name = 'django_tables2/bootstrap.html'
+</code>
+===  Custom tables.Column ===
+<code python>
+class AgeColumn(tables.Column):
+    def render(self, record):
+        diff = record.age()
+        color = ''
+        if (diff.seconds > 60 * 60 ):
+            color = 'red'
+        else:
+            color = 'green'
+        return format_html('<span style="color:{}">{}</span>',color, diff)
+class InstanceTable(tables.Table):
+    age = AgeColumn()
+    opt = tables.LinkColumn('delete_instance', args=[A('pk')], text='delete')
+    class Meta:
+        model = Instance
+        template_name = 'django_tables2/bootstrap.html'
+</code>
+To make links of a value https://django-tables2.readthedocs.io/en/latest/pages/api-reference.html?highlight=LinkColumn#django_tables2.columns.LinkColumn
+==== Update database ====
+Change the model file accordingly. [[https://docs.djangoproject.com/en/2.1/ref/django-admin/#makemigrations|doc:makemigrations]]
+<code bash>
+python manage.py makemigrations
+python manage.py migrate
+</code>
+==== Bootstrap ====
+https://www.w3schools.com/bootstrap/default.asp
+==== Django Rest Framework ====
 https://www.django-rest-framework.org/tutorial/quickstart/