Add image details action

This action is used to visualize the specific details of an image, as
its ID, name, size, etc.

ogcp/forms/action_forms.py

@@ -7,7 +7,7 @@
 
 from wtforms import (
     Form, SubmitField, HiddenField, SelectField, BooleanField, IntegerField,
-    StringField, RadioField, FormField, FieldList
+    StringField, RadioField, FormField, FieldList, DecimalField
 )
 from wtforms.validators import InputRequired
 from flask_wtf import FlaskForm
@@ -143,3 +143,12 @@ class DeleteRoomForm(FlaskForm):
     room = SelectField(label=_('Room'),
                        validators=[InputRequired()])
     submit = SubmitField(label=_('Submit'))
+
+class ImageDetailsForm(FlaskForm):
+    id = StringField(label=_('Id'))
+    name = StringField(label=_('Name'))
+    size = DecimalField(label=_('Size (GiB)'))
+    datasize = DecimalField(label=_('Datasize (GiB)'))
+    modified = StringField(label=_('Modified'))
+    permissions = StringField(label=_('Permissions'))
+    software_id = StringField(label=_('Software id'))

ogcp/templates/actions/image_details.html

@@ -0,0 +1,13 @@
+{% extends 'base.html' %}
+{% import "bootstrap/wtf.html" as wtf %}
+
+{% block content %}
+
+<h1 class="m-5">{{_('Image details')}}</h1>
+
+{{ wtf.quick_form(form,
+                  method='post',
+                  button_map={'create': 'primary'},
+                  extra_classes="mx-5") }}
+
+{% endblock %}

ogcp/templates/images.html

@@ -25,5 +25,7 @@
 {% endblock %}
 
 {% block commands %}
+  <input class="btn btn-light" type="submit" value="{{ _('Image details') }}"
+         form="imagesForm" formaction="{{ url_for('action_image_info') }}" formmethod="get">
 {% endblock %}
 

ogcp/views.py

@@ -9,7 +9,7 @@ from flask import (
     g, render_template, url_for, flash, redirect, request, jsonify, make_response
 )
 from ogcp.forms.action_forms import (
-    WOLForm, SetupForm, ClientDetailsForm, HardwareForm,
+    WOLForm, SetupForm, ClientDetailsForm, ImageDetailsForm, HardwareForm,
     SessionForm, ImageRestoreForm, ImageCreateForm, SoftwareForm, BootModeForm,
     RoomForm, DeleteRoomForm, CenterForm, DeleteCenterForm
 )
@@ -774,3 +774,27 @@ def images():
     r = g.server.get('/images')
     images = r.json()['images']
     return render_template('images.html', images=images)
+
+@app.route('/action/image/info', methods=['GET'])
+@login_required
+def action_image_info():
+    form = ImageDetailsForm()
+    ids = parse_elements(request.args.to_dict())
+    if not validate_elements(ids, max_len=1):
+        return redirect(url_for('images'))
+
+    id = ids.pop()
+    r = g.server.get('/images')
+    images = r.json()['images']
+    image = next(img for img in images if img['id'] == int(id))
+
+    form.id.data = image['id']
+    form.name.data = image['name']
+    # Bytes to Gibibytes
+    form.size.data = image['size'] / 1024 ** 3
+    form.datasize.data = image['datasize'] / 1024 ** 3
+    form.modified.data = image['modified']
+    form.permissions.data = image['permissions']
+    form.software_id.data = image['software_id']
+
+    return render_template('actions/image_details.html', form=form)