[IMP] website_slides: add external links on slide

A slide can now have some external link. For instance, links to
the origin of the document (sources for scientifics papers, ...).
A new model is added to allow the user to provide several link
per slide. Those are display below the channel on website page.

Task-1938643

addons/website_slides/models/slide_slide.py

@@ -31,6 +31,15 @@ class SlidePartnerRelation(models.Model):
     completed = fields.Boolean('Completed')
 
 
+class SlideLink(models.Model):
+    _name = 'slide.slide.link'
+    _description = "External URL for a particular slide"
+
+    slide_id = fields.Many2one('slide.slide', required=True)
+    name = fields.Char('Title', required=True)
+    link = fields.Char("External Link", required=True)
+
+
 class EmbeddedSlide(models.Model):
     """ Embedding in third party websites. Track view count, generate statistics. """
     _name = 'slide.embed'
@@ -130,6 +139,7 @@ class Slide(models.Model):
     datas = fields.Binary('Content', attachment=True)
     url = fields.Char('Document URL', help="Youtube or Google Document URL")
     document_id = fields.Char('Document ID', help="Youtube or Google Document ID")
+    link_ids = fields.One2many('slide.slide.link', 'slide_id', string="External URL for this slide")
     mime_type = fields.Char('Mime-type')
     # website
     website_id = fields.Many2one(related='channel_id.website_id', readonly=True)

addons/website_slides/security/ir.model.access.csv

@@ -17,3 +17,5 @@ access_slide_category_all,slide.category.all,model_slide_category,,1,0,0,0
 access_slide_category_publisher,slide.category.publisher,model_slide_category,website.group_website_publisher,1,1,1,1
 access_slide_embed_all,slide.embed.all,model_slide_embed,,1,0,0,0
 access_slide_embed_user,slide.embed.user,model_slide_embed,base.group_user,1,1,1,1
+access_slide_slide_link_all,slide.slide.link.all,model_slide_slide_link,,1,0,0,0
+access_slide_slide_link_publisher,slide.slide.link.publisher,model_slide_slide_link,website.group_website_publisher,1,1,1,1
\ No newline at end of file

addons/website_slides/views/slide_slide_views.xml

@@ -92,6 +92,16 @@
                                 <label for="index_content"/>
                                 <field name="index_content"/>
                             </page>
+                            <page string="External Links">
+                                <group>
+                                    <field name="link_ids" widget="one2many" nolabel="1">
+                                         <tree editable="top">
+                                            <field name="name"/>
+                                            <field name="link" widget="url"/>
+                                        </tree>
+                                    </field>
+                                </group>
+                            </page>
                         </notebook>
                     </sheet>
                     <div class="oe_chatter">

addons/website_slides/views/website_slides_templates.xml

@@ -513,6 +513,11 @@
                                         <i class="fa fa-bar-chart"></i> Statistics
                                     </a>
                                 </li>
+                                <li class="nav-item" t-if="slide.link_ids">
+                                    <a href="#external-links" aria-controls="external-links" class="nav-link" role="tab" data-toggle="tab">
+                                        <i class="fa fa-link"></i> External Links
+                                    </a>
+                                </li>
                             </ul>
                             <div class="tab-content" style="padding: 20px 5px 5px 5px; word-wrap: break-word;">
                                 <div role="tabpanel" t-att-class="not comments and 'tab-pane fade in show active' or 'tab-pane fade'" id="about">
@@ -628,6 +633,13 @@
                                         </div>
                                     </div>
                                 </div>
+                                <div role="tabpanel" class="tab-pane fade oe_slides_transcript" id="external-links" t-if="slide.link_ids">
+                                    <ul>
+                                        <t t-foreach="slide.link_ids" t-as="link">
+                                            <li><a t-att-href="link.link" target="_blank"><t t-esc="link.name"/></a></li>
+                                        </t>
+                                    </ul>
+                                </div>
                             </div>
                         </div>
                     </div>