From 40c697e57ffca8a845944c9e22ab6631c44803f3 Mon Sep 17 00:00:00 2001
From: Pierre-antoine Comby <comby@crans.org>
Date: Wed, 14 Aug 2019 18:47:46 +0200
Subject: [PATCH] =?UTF-8?q?interface=20pour=20ajouter=20des=20membres=20?=
 =?UTF-8?q?=C3=A0=20un=20club?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 apps/member/forms.py              |  40 +++++-
 apps/member/urls.py               |   1 +
 apps/member/views.py              |  29 +++-
 static/js/dynamic-formset.js      | 231 ++++++++++++++++++++++++++++++
 templates/member/add_members.html |  23 +++
 templates/member/club_detail.html |   2 +
 6 files changed, 320 insertions(+), 6 deletions(-)
 create mode 100644 static/js/dynamic-formset.js
 create mode 100644 templates/member/add_members.html

diff --git a/apps/member/forms.py b/apps/member/forms.py
index e024ee84..5dabef24 100644
--- a/apps/member/forms.py
+++ b/apps/member/forms.py
@@ -6,7 +6,15 @@ from django.contrib.auth.forms import UserChangeForm, UserCreationForm
 from django.contrib.auth.models import User
 from django import forms
 
-from .models import Profile, Club
+from .models import Profile, Club, Membership
+
+from django.utils.translation import gettext_lazy as _
+
+from crispy_forms.helper import FormHelper
+from crispy_forms import layout, bootstrap
+from crispy_forms.bootstrap import InlineField, FormActions, StrictButton, Div, Field
+from crispy_forms.layout import Layout
+
 
 class ProfileForm(forms.ModelForm):
     """
@@ -21,3 +29,33 @@ class ClubForm(forms.ModelForm):
     class Meta:
         model = Club
         fields ='__all__'
+
+class AddMembersForm(forms.Form):
+    class Meta:
+        fields = ('',)
+
+class MembershipForm(forms.ModelForm):
+    class Meta:
+        model = Membership
+        fields = ('user','roles','date_start')
+
+MemberFormSet = forms.modelformset_factory(Membership,
+                                           form=MembershipForm,
+                                           extra=2,
+                                           can_delete=True)
+
+class FormSetHelper(FormHelper):
+    def __init__(self,*args,**kwargs):
+        super().__init__(*args,**kwargs)
+        self.form_tag = False
+        self.form_method = 'POST'
+        self.form_class='form-inline'
+        # self.template = 'bootstrap/table_inline_formset.html'
+        self.layout = Layout(
+            Div(
+                Div('user',css_class='col-sm-2'),
+                Div('roles',css_class='col-sm-2'),
+                Div('date_start',css_class='col-sm-2'),
+                css_class="row formset-row",
+            )
+        )
diff --git a/apps/member/urls.py b/apps/member/urls.py
index 7b179b56..39d3d896 100644
--- a/apps/member/urls.py
+++ b/apps/member/urls.py
@@ -13,6 +13,7 @@ urlpatterns = [
     path('signup/',views.UserCreateView.as_view(),name="signup"),
     path('club/',views.ClubListView.as_view(),name="club_list"),
     path('club/<int:pk>/',views.ClubDetailView.as_view(),name="club_detail"),
+    path('club/<int:pk>/add_member/',views.ClubAddMemberView.as_view(),name="club_add_member"),
     path('club/create/',views.ClubCreateView.as_view(),name="club_create"),
     path('user/<int:pk>',views.UserDetailView.as_view(),name="user_detail")
 ]
diff --git a/apps/member/views.py b/apps/member/views.py
index 37c47212..6408dc5f 100644
--- a/apps/member/views.py
+++ b/apps/member/views.py
@@ -10,8 +10,8 @@ from django.http import HttpResponseRedirect
 from django.contrib.auth.forms import UserCreationForm
 from django.urls import reverse_lazy
 
-from .models import Profile, Club
-from .forms import ProfileForm, ClubForm
+from .models import Profile, Club, Membership
+from .forms import ProfileForm, ClubForm,MembershipForm, MemberFormSet,FormSetHelper
 
 class UserCreateView(CreateView):
     """
@@ -24,7 +24,7 @@ class UserCreateView(CreateView):
     second_form = UserCreationForm
 
     def get_context_data(self,**kwargs):
-        context = super(SignUp,self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         context["user_form"] = self.second_form
 
         return context
@@ -62,6 +62,25 @@ class ClubListView(LoginRequiredMixin,ListView):
     form_class = ClubForm
 
 class ClubDetailView(LoginRequiredMixin,DetailView):
-    """
-    """
     model = Club
+
+class ClubAddMemberView(LoginRequiredMixin,CreateView):
+    model = Membership
+    form_class = MembershipForm
+    template_name = 'member/add_members.html'
+    def get_context_data(self,**kwargs):
+        context = super().get_context_data(**kwargs)
+        context['formset'] = MemberFormSet()
+        context['helper'] = FormSetHelper()
+        return context
+   
+    def post(self,request,*args,**kwargs):
+        formset = MembershipFormset(request.POST)
+        if formset.is_valid():
+            return self.form_valid(formset)
+        else:
+            return self.form_invalid(formset)
+
+    def form_valid(self,formset):
+        formset.save()
+        return super().form_valid(formset)
diff --git a/static/js/dynamic-formset.js b/static/js/dynamic-formset.js
new file mode 100644
index 00000000..95406a8c
--- /dev/null
+++ b/static/js/dynamic-formset.js
@@ -0,0 +1,231 @@
+/**
+ * jQuery Formset 1.3-pre
+ * @author Stanislaus Madueke (stan DOT madueke AT gmail DOT com)
+ * @requires jQuery 1.2.6 or later
+ *
+ * Copyright (c) 2009, Stanislaus Madueke
+ * All rights reserved.
+ *
+ * Licensed under the New BSD License
+ * See: http://www.opensource.org/licenses/bsd-license.php
+ */
+;(function($) {
+    $.fn.formset = function(opts)
+    {
+        var options = $.extend({}, $.fn.formset.defaults, opts),
+            flatExtraClasses = options.extraClasses.join(' '),
+            totalForms = $('#id_' + options.prefix + '-TOTAL_FORMS'),
+            maxForms = $('#id_' + options.prefix + '-MAX_NUM_FORMS'),
+            minForms = $('#id_' + options.prefix + '-MIN_NUM_FORMS'),
+            childElementSelector = 'input,select,textarea,label,div',
+            $$ = $(this),
+
+            applyExtraClasses = function(row, ndx) {
+                if (options.extraClasses) {
+                    row.removeClass(flatExtraClasses);
+                    row.addClass(options.extraClasses[ndx % options.extraClasses.length]);
+                }
+            },
+
+            updateElementIndex = function(elem, prefix, ndx) {
+                var idRegex = new RegExp(prefix + '-(\\d+|__prefix__)-'),
+                    replacement = prefix + '-' + ndx + '-';
+                if (elem.attr("for")) elem.attr("for", elem.attr("for").replace(idRegex, replacement));
+                if (elem.attr('id')) elem.attr('id', elem.attr('id').replace(idRegex, replacement));
+                if (elem.attr('name')) elem.attr('name', elem.attr('name').replace(idRegex, replacement));
+            },
+
+            hasChildElements = function(row) {
+                return row.find(childElementSelector).length > 0;
+            },
+
+            showAddButton = function() {
+                return maxForms.length == 0 ||   // For Django versions pre 1.2
+                    (maxForms.val() == '' || (maxForms.val() - totalForms.val() > 0));
+            },
+
+            /**
+            * Indicates whether delete link(s) can be displayed - when total forms > min forms
+            */
+            showDeleteLinks = function() {
+                return minForms.length == 0 ||   // For Django versions pre 1.7
+                    (minForms.val() == '' || (totalForms.val() - minForms.val() > 0));
+            },
+
+            insertDeleteLink = function(row) {
+                var delCssSelector = $.trim(options.deleteCssClass).replace(/\s+/g, '.'),
+                    addCssSelector = $.trim(options.addCssClass).replace(/\s+/g, '.');
+                if (row.is('TR')) {
+                    // If the forms are laid out in table rows, insert
+                    // the remove button into the last table cell:
+                    row.children(':last').append('<a class="' + options.deleteCssClass +'" href="javascript:void(0)">' + options.deleteText + '</a>');
+                } else if (row.is('UL') || row.is('OL')) {
+                    // If they're laid out as an ordered/unordered list,
+                    // insert an <li> after the last list item:
+                    row.append('<li><a class="' + options.deleteCssClass + '" href="javascript:void(0)">' + options.deleteText +'</a></li>');
+                } else {
+                    // Otherwise, just insert the remove button as the
+                    // last child element of the form's container:
+                    row.append('<a class="' + options.deleteCssClass + '" href="javascript:void(0)">' + options.deleteText +'</a>');
+                }
+                // Check if we're under the minimum number of forms - not to display delete link at rendering
+                if (!showDeleteLinks()){
+                    row.find('a.' + delCssSelector).hide();
+                }
+
+                row.find('a.' + delCssSelector).click(function() {
+                    var row = $(this).parents('.' + options.formCssClass),
+                        del = row.find('input:hidden[id $= "-DELETE"]'),
+                        buttonRow = row.siblings("a." + addCssSelector + ', .' + options.formCssClass + '-add'),
+                        forms;
+                    if (del.length) {
+                        // We're dealing with an inline formset.
+                        // Rather than remove this form from the DOM, we'll mark it as deleted
+                        // and hide it, then let Django handle the deleting:
+                        del.val('on');
+                        row.hide();
+                        forms = $('.' + options.formCssClass).not(':hidden');
+                    } else {
+                        row.remove();
+                        // Update the TOTAL_FORMS count:
+                        forms = $('.' + options.formCssClass).not('.formset-custom-template');
+                        totalForms.val(forms.length);
+                    }
+                    for (var i=0, formCount=forms.length; i<formCount; i++) {
+                        // Apply `extraClasses` to form rows so they're nicely alternating:
+                        applyExtraClasses(forms.eq(i), i);
+                        if (!del.length) {
+                            // Also update names and IDs for all child controls (if this isn't
+                            // a delete-able inline formset) so they remain in sequence:
+                            forms.eq(i).find(childElementSelector).each(function() {
+                                updateElementIndex($(this), options.prefix, i);
+                            });
+                        }
+                    }
+                    // Check if we've reached the minimum number of forms - hide all delete link(s)
+                    if (!showDeleteLinks()){
+                        $('a.' + delCssSelector).each(function(){$(this).hide();});
+                    }
+                    // Check if we need to show the add button:
+                    if (buttonRow.is(':hidden') && showAddButton()) buttonRow.show();
+                    // If a post-delete callback was provided, call it with the deleted form:
+                    if (options.removed) options.removed(row);
+                    return false;
+                });
+            };
+
+        $$.each(function(i) {
+            var row = $(this),
+                del = row.find('input:checkbox[id $= "-DELETE"]');
+            if (del.length) {
+                // If you specify "can_delete = True" when creating an inline formset,
+                // Django adds a checkbox to each form in the formset.
+                // Replace the default checkbox with a hidden field:
+                if (del.is(':checked')) {
+                    // If an inline formset containing deleted forms fails validation, make sure
+                    // we keep the forms hidden (thanks for the bug report and suggested fix Mike)
+                    del.before('<input type="hidden" name="' + del.attr('name') +'" id="' + del.attr('id') +'" value="on" />');
+                    row.hide();
+                } else {
+                    del.before('<input type="hidden" name="' + del.attr('name') +'" id="' + del.attr('id') +'" />');
+                }
+                // Hide any labels associated with the DELETE checkbox:
+                $('label[for="' + del.attr('id') + '"]').hide();
+                del.remove();
+            }
+            if (hasChildElements(row)) {
+                row.addClass(options.formCssClass);
+                if (row.is(':visible')) {
+                    insertDeleteLink(row);
+                    applyExtraClasses(row, i);
+                }
+            }
+        });
+
+        if ($$.length) {
+            var hideAddButton = !showAddButton(),
+                addButton, template;
+            if (options.formTemplate) {
+                // If a form template was specified, we'll clone it to generate new form instances:
+                template = (options.formTemplate instanceof $) ? options.formTemplate : $(options.formTemplate);
+                template.removeAttr('id').addClass(options.formCssClass + ' formset-custom-template');
+                template.find(childElementSelector).each(function() {
+                    updateElementIndex($(this), options.prefix, '__prefix__');
+                });
+                insertDeleteLink(template);
+            } else {
+                // Otherwise, use the last form in the formset; this works much better if you've got
+                // extra (>= 1) forms (thnaks to justhamade for pointing this out):
+                template = $('.' + options.formCssClass + ':last').clone(true).removeAttr('id');
+                template.find('input:hidden[id $= "-DELETE"]').remove();
+                // Clear all cloned fields, except those the user wants to keep (thanks to brunogola for the suggestion):
+                template.find(childElementSelector).not(options.keepFieldValues).each(function() {
+                    var elem = $(this);
+                    // If this is a checkbox or radiobutton, uncheck it.
+                    // This fixes Issue 1, reported by Wilson.Andrew.J:
+                    if (elem.is('input:checkbox') || elem.is('input:radio')) {
+                        elem.attr('checked', false);
+                    } else {
+                        elem.val('');
+                    }
+                });
+            }
+            // FIXME: Perhaps using $.data would be a better idea?
+            options.formTemplate = template;
+
+            if ($$.is('TR')) {
+                // If forms are laid out as table rows, insert the
+                // "add" button in a new table row:
+                var numCols = $$.eq(0).children().length,   // This is a bit of an assumption :|
+                    buttonRow = $('<tr><td colspan="' + numCols + '"><a class="' + options.addCssClass + '" href="javascript:void(0)">' + options.addText + '</a></tr>')
+                                .addClass(options.formCssClass + '-add');
+                $$.parent().append(buttonRow);
+                if (hideAddButton) buttonRow.hide();
+                addButton = buttonRow.find('a');
+            } else {
+                // Otherwise, insert it immediately after the last form:
+                $$.filter(':last').after('<a class="' + options.addCssClass + '" href="javascript:void(0)">' + options.addText + '</a>');
+                addButton = $$.filter(':last').next();
+                if (hideAddButton) addButton.hide();
+            }
+            addButton.click(function() {
+                var formCount = parseInt(totalForms.val()),
+                    row = options.formTemplate.clone(true).removeClass('formset-custom-template'),
+                    buttonRow = $($(this).parents('tr.' + options.formCssClass + '-add').get(0) || this),
+                    delCssSelector = $.trim(options.deleteCssClass).replace(/\s+/g, '.');
+                applyExtraClasses(row, formCount);
+                row.insertBefore(buttonRow).show();
+                row.find(childElementSelector).each(function() {
+                    updateElementIndex($(this), options.prefix, formCount);
+                });
+                totalForms.val(formCount + 1);
+                // Check if we're above the minimum allowed number of forms -> show all delete link(s)
+                if (showDeleteLinks()){
+                    $('a.' + delCssSelector).each(function(){$(this).show();});
+                }
+                // Check if we've exceeded the maximum allowed number of forms:
+                if (!showAddButton()) buttonRow.hide();
+                // If a post-add callback was supplied, call it with the added form:
+                if (options.added) options.added(row);
+                return false;
+            });
+        }
+
+        return $$;
+    };
+
+    /* Setup plugin defaults */
+    $.fn.formset.defaults = {
+        prefix: 'form',                  // The form prefix for your django formset
+        formTemplate: null,              // The jQuery selection cloned to generate new form instances
+        addText: 'add another',          // Text for the add link
+        deleteText: 'remove',            // Text for the delete link
+        addCssClass: 'btn btn-primary',          // CSS class applied to the add link
+        deleteCssClass: 'btn btn-danger h-50 my-auto',    // CSS class applied to the delete link
+        formCssClass: 'dynamic-form',    // CSS class applied to each form in a formset
+        extraClasses: [],                // Additional CSS classes, which will be applied to each form in turn
+        keepFieldValues: '',             // jQuery selector for fields whose values should be kept when the form is cloned
+        added: null,                     // Function called each time a new form is added
+        removed: null                    // Function called each time a form is deleted
+    };
+})(jQuery);
diff --git a/templates/member/add_members.html b/templates/member/add_members.html
new file mode 100644
index 00000000..9c50ac30
--- /dev/null
+++ b/templates/member/add_members.html
@@ -0,0 +1,23 @@
+{% extends "base.html" %}
+{% load crispy_forms_tags %}
+{% load static %}
+{% block content %}
+
+<form method="post" action="">
+    {% csrf_token %}
+    {% crispy formset helper %}
+    <div class="form-actions">
+        <input type="submit" name="submit" value="Save" class="btn btn-primary" id="submit-save">
+    </div>
+</form>
+
+<!-- Include formset plugin - including jQuery dependency -->
+<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
+<script src="{% static 'js/dynamic-formset.js' %}"></script>
+<script>
+    $('.formset-row').formset({
+        addText: 'add link',
+        deleteText: 'remove'
+    });
+</script>
+{% endblock %}
diff --git a/templates/member/club_detail.html b/templates/member/club_detail.html
index 1e222e26..ddac22aa 100644
--- a/templates/member/club_detail.html
+++ b/templates/member/club_detail.html
@@ -3,4 +3,6 @@
 {% block content %}
 <p><a class="btn btn-default" href="{% url 'member:club_list' %}">Clubs</a></p>
 <h5>{{ object.name }}</h5>
+
+<a class="btn btn-default" href="{% url 'member:club_add_member' pk=object.pk %}"> Ajouter des membres </a>
 {% endblock %}
-- 
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