clean some js

- clean buttons code on account and checkout
- merge CheckoutRead and kpsul_checkout_data views (the first won)

APIModelObject interface
- add url_create, url_update, url_update_for
- rename url_object_for and url_object to url_read_for and url_read

kfet/static/kfet/js/kfet.api.js

@@ -130,13 +130,28 @@ class APIModelObject extends ModelObject {
      */
     static get url_model() {}
 
+    /**
+     * Request url to create an instance.
+     * @abstract
+     * @type {string}
+     */
+    static url_create() {}
+
+    /**
+     * Request url to edit an instance of this model.
+     * @abstract
+     * @param   {*} api_pk - Identifier of a model instance.
+     * @type {string}
+     */
+    static url_update_for(api_pk) {}
+
     /**
      * Request url to get a single model instance data.
      * @abstract
-     * @param   {*} api_pk - Identifier of a model instance in api requests.
+     * @param   {*} api_pk - Identifier of a model instance.
      * @return  {string}
      */
-    static url_object_for(api_pk) {}
+    static url_read_for(api_pk) {}
 
     /**
      * See {@link Models.ModelObject|new ModelObject(data)}.
@@ -158,17 +173,17 @@ class APIModelObject extends ModelObject {
     /**
      * Request url used to get current instance data.
      */
-    get url_object() {
+    get url_read() {
         if (this._url_object === undefined)
-            return this.is_empty() ? '' : this.constructor.url_object_for(this.api_pk);
+            return this.is_empty() ? '' : this.constructor.url_read_for(this.api_pk);
         return this._url_object;
     }
 
-    set url_object(v) { this._url_object = v; }
+    set url_read(v) { this._url_object = v; }
 
     /**
      * Get data of a distant model instance. It sends a GET HTTP request to
-     * {@link Models.APIModelObject#url_object}.
+     * {@link Models.APIModelObject#url_read}.
      * @param   {object} [api_options] Additional data appended to the request.
      * @param   {jQueryAjaxSuccess} [on_success] A function to be called if the request succeeds.
      * @param   {jQueryAjaxError} [on_error] A function to be called if the request fails.
@@ -182,7 +197,7 @@ class APIModelObject extends ModelObject {
 
         api_options['format'] = 'json';
 
-        $.getJSON(this.url_object, api_options)
+        $.getJSON(this.url_read, api_options)
             .done(function (json, textStatus, jqXHR) {
                 that.from(json);
                 on_success(json, textStatus, jqXHR);
@@ -199,7 +214,7 @@ class APIModelObject extends ModelObject {
      * @see {@link Models.APIModelObject#fromAPI|fromAPI}
      */
     get_by_apipk(api_pk, api_options, on_success, on_error) {
-        this.url_object = this.constructor.url_object_for(api_pk);
+        this.url_read = this.constructor.url_read_for(api_pk);
         this.fromAPI(api_options, on_success, on_error);
     }
 
@@ -260,12 +275,21 @@ class Account extends APIModelObject {
      */
     static get url_model() { return Urls['kfet.account'](); }
 
+    static url_create(trigramme) {
+        var url = Urls['kfet.account.create']();
+        if (trigramme) {
+            var trigramme_url = encodeURIComponent(trigramme);
+            url += `?trigramme=${trigramme_url}`
+        }
+        return url;
+    }
+
     /**
      * @default <tt>django-js-reverse('kfet.account.read')(trigramme)</tt>
      * @param   {string} trigramme
-     * @see {@link Models.APIModelObject.url_object_for|APIModelObject.url_object_for}
+     * @see {@link Models.APIModelObject.url_read_for|APIModelObject.url_read_for}
      */
-    static url_object_for(trigramme) {
+    static url_read_for(trigramme) {
         var trigramme_url = encodeURIComponent(trigramme);
         return Urls['kfet.account.read'](trigramme_url);
     }
@@ -332,10 +356,10 @@ class Checkout extends APIModelObject {
     /**
      * @default <tt>django-js-reverse('kfet.kpsul.checkout_data.read')(pk)</tt>
      * @param   {string} api_pk - a checkout id
-     * @see {@link Models.APIModelObject.url_object_for|APIModelObject.url_object_for}
+     * @see {@link Models.APIModelObject.url_read_for|APIModelObject.url_read_for}
      */
-    static url_object_for(api_pk) {
+    static url_read_for(api_pk) {
-        return Urls['kfet.kpsul.checkout_data.read'](api_pk);
+        return Urls['kfet.checkout.read'](api_pk);
     }
 
     /**
@@ -381,6 +405,10 @@ class Statement extends ModelObject {
         };
     }
 
+    static url_create(checkout_pk) {
+        return Urls['kfet.checkoutstatement.create'](checkout_pk);
+    }
+
     /**
      * @default {@link Formatters.StatementFormatter}
      */

kfet/static/kfet/js/kfet.js

@@ -40,6 +40,29 @@ function booleanCheck(v) {
 }
 
 
+/**
+ * Short: Equivalent to python str format.
+ * Source: [MDN]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals}.
+ * @example
+ * var t1Closure = template`${0}${1}${0}!`;
+ * t1Closure('Y', 'A');  // "YAY!"
+ * @example
+ * var t2Closure = template`${0} ${'foo'}!`;
+ * t2Closure('Hello', {foo: 'World'});  // "Hello World!"
+ */
+function template(strings, ...keys) {
+    return (function(...values) {
+        var dict = values[values.length - 1] || {};
+        var result = [strings[0]];
+        keys.forEach(function(key, i) {
+            var value = Number.isInteger(key) ? values[key] : dict[key];
+            result.push(value, strings[i + 1]);
+        });
+        return result.join('');
+    });
+}
+
+
 /**
  * Get and store K-Psul config from API.
  * <br><br>

kfet/static/kfet/js/kpsul.js

@@ -1,3 +1,10 @@
+/**
+ * @file K-Psul JS
+ * @copyright 2017 cof-geek
+ * @license MIT
+ */
+
+
 class KPsulManager {
 
     constructor(env) {
@@ -27,6 +34,15 @@ class AccountManager {
         this.account   = new Account();
         this.selection = new AccountSelection(this);
         this.search    = new AccountSearch(this);
+
+        // buttons: search, read or create
+        this.$buttons_container = this._$container.find('.buttons');
+        this.buttons_templates = {
+            create: template`<a href="${'url'}" class="btn btn-primary" target="_blank" title="Créer ce compte"><span class="glyphicon glyphicon-plus"></span></a>`,
+            read: template`<a href="${'url'}" class="btn btn-primary" target="_blank" title="Détails du compte"><span class="glyphicon glyphicon-info-sign"></span></a>`,
+            search: template`<button class="btn btn-primary search" title="Rechercher"><span class="glyphicon glyphicon-search"></span></button>`,
+        }
+
     }
 
     is_empty() { return this.account.is_empty(); }
@@ -43,25 +59,22 @@ class AccountManager {
     }
 
     _display_buttons() {
-        // dirty
+        var buttons;
-
-        var buttons = '';
 
         if (this.is_empty()) {
             var trigramme = this.selection.get();
             if (trigramme.isValidTri()) {
-                var url_base = Urls['kfet.account.create']();
+                var url = Account.url_create(trigramme);
-                var url = url_base + '?trigramme=' + encodeURIComponent(trigramme);
+                buttons = this.buttons_templates.create({url: url});
-                buttons += '<a href="'+url+'" class="btn btn-primary" target="_blank" title="Créer ce compte"><span class="glyphicon glyphicon-plus"></span></a>';
             } else {  /* trigramme input is empty or invalid */
-                buttons += '<button class="btn btn-primary search" title="Rechercher"><span class="glyphicon glyphicon-search"></span></button>';
+                buttons = this.buttons_templates.search();
             }
         } else {  /* an account is loaded */
-            var url = this.account.url_object;
+            var url = this.account.url_read;
-            buttons += '<a href="'+url+'" class="btn btn-primary" target="_blank" title="Détails du compte"><span class="glyphicon glyphicon-cog"></span></a>';
+            buttons = this.buttons_templates.read({url: url});
         }
 
-        this._$container.find('.buttons').html(buttons);
+        this.$buttons_container.html(buttons);
     }
 
     update(trigramme) {
@@ -248,6 +261,12 @@ class CheckoutManager {
         this._$laststatement_container = $('#last_statement');
         this.laststatement = new Statement();
         this.laststatement_display_prefix = '#checkout-last_statement_';
+
+        this.$buttons_container = this._$container.find('.buttons');
+        this.buttons_templates = {
+            read: template`<a class="btn btn-primary" href="${'url'}" title="En savoir plus" target="_blank"><span class="glyphicon glyphicon-info-sign"></span></a>`,
+            statement_create: template`<a href="${'url'}" title="Effectuer un relevé" class="btn btn-primary" target="_blank"><span class="glyphicon glyphicon-euro"></span></a>`,
+        }
     }
 
     update(id) {
@@ -308,13 +327,13 @@ class CheckoutManager {
     _display_buttons() {
         var buttons = '';
         if (!this.is_empty()) {
-            var id = this.checkout.id;
+            var url_newcheckout = Statement.url_create(this.checkout.id);
-            var url_details = Urls['kfet.checkout.read'](id);
+            buttons += this.buttons_templates.statement_create({
-            var url_newcheckout = Urls['kfet.checkoutstatement.create'](id);
+                url: url_newcheckout});
-            buttons += '<a href="' + url_newcheckout + '" title="Effectuer un relevé" class="btn btn-primary" target="_blank"><span class="glyphicon glyphicon-euro"></span></a>';
+            var url_read = this.checkout.url_read;
-            buttons += '<a class="btn btn-primary" href="' + url_details + '" title="Modifier" target="_blank"><span class="glyphicon glyphicon-cog"></span></a>';
+            buttons += this.buttons_templates.read({url: url_read});
         }
-        this._$container.find('.buttons').html(buttons);
+        this.$buttons_container.html(buttons);
     }
 
     reset() {

kfet/templates/kfet/kpsul.html

@@ -529,9 +529,7 @@ $(document).ready(function() {
         });
         if (!existing) {
             var amount_euro = amountEuroPurchase(id, nb).toFixed(2);
-            console.log(amount_euro);
             var index = addPurchaseToFormset(article_data[1], nb, amount_euro);
-            console.log(index);
             var article_basket_html = $(item_basket_default_html);
             article_basket_html
                 .attr('data-opeindex', index)

kfet/urls.py

@@ -169,8 +169,6 @@ urlpatterns = [
     # -----
 
     url('^k-psul/$', views.kpsul, name='kfet.kpsul'),
-    url(r'^k-psul/checkout_data/(?P<pk>\d+)$', views.kpsul_checkout_data,
-        name='kfet.kpsul.checkout_data.read'),
     url('^k-psul/perform_operations$', views.kpsul_perform_operations,
         name='kfet.kpsul.perform_operations'),
     url('^k-psul/cancel_operations$', views.kpsul_cancel_operations,

kfet/views.py

@@ -52,6 +52,33 @@ from .statistic import daynames, monthnames, weeknames, \
         this_morning, this_monday_morning, this_first_month_day, \
         tot_ventes
 
+
+# source : docs.djangoproject.com/fr/1.10/topics/class-based-views/mixins/
+class JSONResponseMixin(object):
+    """
+    A mixin that can be used to render a JSON response.
+    """
+    def render_to_json_response(self, context, **response_kwargs):
+        """
+        Returns a JSON response, transforming 'context' to make the payload.
+        """
+        print(context)
+        return JsonResponse(
+            self.get_data(context),
+            **response_kwargs
+        )
+
+    def get_data(self, context):
+        """
+        Returns an object that will be serialized as JSON by json.dumps().
+        """
+        # Note: This is *EXTREMELY* naive; in reality, you'll need
+        # to do much more complex handling to ensure that arbitrary
+        # objects -- such as Django model instances or querysets
+        # -- can be serialized as JSON.
+        return context
+
+
 class Home(TemplateView):
     template_name   = "kfet/home.html"
 
@@ -618,18 +645,44 @@ class CheckoutCreate(SuccessMessageMixin, CreateView):
 
         return super(CheckoutCreate, self).form_valid(form)
 
+
 # Checkout - Read
 
-class CheckoutRead(DetailView):
+class CheckoutRead(JSONResponseMixin, DetailView):
     model = Checkout
     template_name = 'kfet/checkout_read.html'
     context_object_name = 'checkout'
 
     def get_context_data(self, **kwargs):
-        context = super(CheckoutRead, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
-        context['statements'] = context['checkout'].statements.order_by('-at')
+        checkout = self.object
+        if self.request.GET.get('last_statement'):
+            context['laststatement'] = checkout.statements.latest('at')
+        else:
+            context['statements'] = checkout.statements.order_by('-at')
         return context
 
+    def render_to_response(self, context, **kwargs):
+        if self.request.GET.get('format') == 'json':
+            data = model_to_dict(
+                context['checkout'],
+                fields=['id', 'name', 'balance', 'valid_from', 'valid_to']
+            )
+            if 'laststatement' in context:
+                last_statement = context['laststatement']
+                last_statement_data = model_to_dict(
+                    last_statement,
+                    fields=['id', 'at', 'balance_new', 'balance_old', 'by']
+                )
+                last_statement_data['by'] = str(last_statement.by)
+                # ``at`` is not editable, so skipped by ``model_to_dict``
+                last_statement_data['at'] = last_statement.at
+                data['laststatement'] = last_statement_data
+            return self.render_to_json_response(data)
+        else:
+            return super().render_to_response(context, **kwargs)
+
+
 # Checkout - Update
 
 class CheckoutUpdate(SuccessMessageMixin, UpdateView):
@@ -897,28 +950,6 @@ def kpsul_get_settings(request):
     return JsonResponse(data)
 
 
-@teamkfet_required
-def kpsul_checkout_data(request, pk):
-    checkout = get_object_or_404(Checkout, pk=pk)
-    data = model_to_dict(
-        checkout,
-        fields=['id', 'name', 'balance', 'valid_from', 'valid_to']
-    )
-
-    if request.GET.get('last_statement'):
-        last_statement = checkout.statements.latest('at')
-        last_statement_data = model_to_dict(
-            last_statement,
-            fields=['id', 'at', 'balance_new', 'balance_old', 'by']
-        )
-        last_statement_data['by'] = str(last_statement.by)
-        # ``at`` is not editable, so skipped by ``model_to_dict``
-        last_statement_data['at'] = last_statement.at
-        data['laststatement'] = last_statement_data
-
-    return JsonResponse(data)
-
-
 @teamkfet_required
 def kpsul_update_addcost(request):
     addcost_form = AddcostForm(request.POST)
@@ -2003,29 +2034,6 @@ class SupplierUpdate(SuccessMessageMixin, UpdateView):
 # ---------------
 # Vues génériques
 # ---------------
-# source : docs.djangoproject.com/fr/1.10/topics/class-based-views/mixins/
-class JSONResponseMixin(object):
-    """
-    A mixin that can be used to render a JSON response.
-    """
-    def render_to_json_response(self, context, **response_kwargs):
-        """
-        Returns a JSON response, transforming 'context' to make the payload.
-        """
-        return JsonResponse(
-            self.get_data(context),
-            **response_kwargs
-        )
-
-    def get_data(self, context):
-        """
-        Returns an object that will be serialized as JSON by json.dumps().
-        """
-        # Note: This is *EXTREMELY* naive; in reality, you'll need
-        # to do much more complex handling to ensure that arbitrary
-        # objects -- such as Django model instances or querysets
-        # -- can be serialized as JSON.
-        return context
 
 
 class JSONDetailView(JSONResponseMixin,