implement age_level

api/onix.py

@@ -1,5 +1,6 @@
 import datetime
 import pytz
+import re
 from lxml import etree
 from regluit.core import models
 from regluit.core.cc import ccinfo
@@ -134,6 +135,19 @@ def product(edition, facet=None):
             subj_node.append(text_node("SubjectSchemeIdentifier", "20"))
             subj_node.append(text_node("SubjectHeadingText", subject.name))                    
 
+    # audience range composite
+    if work.age_level:
+        range_match = re.search(r'(\d?\d?)-(\d?\d?)', work.age_level)
+        if range_match:
+            audience_range_node = etree.SubElement(descriptive_node, "AudienceRange")
+            audience_range_node.append(text_node("AudienceRangeQualifier", "17")) #Interest age, years
+            if range_match.group(1):
+                audience_range_node.append(text_node("AudienceRangePrecision", "03")) #from
+                audience_range_node.append(text_node("AudienceRangeValue", range_match.group(1))) 
+            if range_match.group(2):
+                audience_range_node.append(text_node("AudienceRangePrecision", "04")) #from
+                audience_range_node.append(text_node("AudienceRangeValue", range_match.group(2))) 
+                    
     # Collateral Detail Block
     coll_node =  etree.SubElement(product_node, "CollateralDetail")
     desc_node =  etree.SubElement(coll_node, "TextContent")

api/opds.py

@@ -163,6 +163,16 @@ def work_node(work, facet=None):
                 # caused by control chars in subject.name
                 logger.warning('Deleting subject: %s' % subject.name)
                 subject.delete()
+
+    # age level
+    # <category term="15-18" scheme="http://schema.org/typicalAgeRange" label="Teen - Grade 10-12, Age 15-18"/>
+    if work.age_level:
+        category_node = etree.Element("category")
+        category_node.attrib["scheme"] =  'http://schema.org/typicalAgeRange' 
+        category_node.attrib["term"] =  work.age_level 
+        category_node.attrib["label"] =  work.get_age_level_display()
+        node.append(category_node)
+    
                 
     # rating            
     rating_node = etree.Element("{http://schema.org/}Rating")

frontend/forms.py

@@ -58,7 +58,7 @@ from regluit.core.models import (
     UNGLUEITAR
 )
 from regluit.libraryauth.models import Library
-from regluit.core.parameters import LIBRARY, REWARDS, BUY2UNGLUE, THANKS
+from regluit.core.parameters import LIBRARY, REWARDS, BUY2UNGLUE, THANKS, AGE_LEVEL_CHOICES
 from regluit.core.lookups import (
     OwnerLookup,
     WorkLookup,
@@ -199,6 +199,7 @@ class EditionForm(forms.ModelForm):
         }
     )
     language = forms.ChoiceField(choices=LANGUAGES)
+    age_level = forms.ChoiceField(choices=AGE_LEVEL_CHOICES)
     description = forms.CharField( required=False, widget=CKEditorWidget())
     coverfile = forms.ImageField(required=False)
     

frontend/templates/new_edition.html

@@ -122,6 +122,7 @@ ul.fancytree-container {
 		<input type="submit" name="add_author_submit" value="Add Author" id="submit_author"></p>
 
 		<p><b>Language</b>: {{ form.language.errors }}{{ form.language }}</p>
+		<p><b>Age Level</b>: {{ form.age_level.errors }}{{ form.age_level }}</p>
         <h4> Identifiers </h4>
         {% if id_msg %} <span class="errorlist">{{ id_msg }} </span>{% endif %}
         <p> Enter 'delete' to remove the identifier. </p>

frontend/templates/work.html

@@ -102,6 +102,8 @@
                                                 <span itemprop="publisher"><a href="{% url 'bypubname_list' work.last_campaign.publisher.name.id %}">{{ work.last_campaign.publisher }}</a></span>
                                                 {% endif %}
                                                 <span itemprop="datePublished">{{ work.publication_date }}</span>
+                                                <meta itemprop="inLanguage" content="work.language" />
+                                                <meta itemprop="typicalAgeRange" content="work.age_range" />
                                             </h3>
                                         </div>
                                     </div>

frontend/views.py

@@ -514,11 +514,15 @@ def new_edition(request, work_id, edition_id, by=None):
     language='en'
     description=''
     title=''
+    age_level = ''
+    description = ''
+    title = ''
     if work_id:
         work = safe_get_work(work_id)
         language=work.language
         description=work.description
         title=work.title
+        age_level = work.age_level
     else:
         work=None
     
@@ -533,6 +537,7 @@ def new_edition(request, work_id, edition_id, by=None):
             edition.work = work 
         language=edition.work.language
         description=edition.work.description
+        age_level = edition.work.age_level
     else:
         edition = models.Edition()
         if work:
@@ -552,6 +557,7 @@ def new_edition(request, work_id, edition_id, by=None):
             'doi': edition.id_for('doi'),
             }
     if request.method == 'POST' :
+        'age_level': age_level,
         form = None
         edition.new_authors=zip(request.POST.getlist('new_author'),request.POST.getlist('new_author_relation'))
         edition.new_subjects=request.POST.getlist('new_subject')
@@ -577,6 +583,7 @@ def new_edition(request, work_id, edition_id, by=None):
                 form.save()
                 if not work:
                     work= models.Work(title=form.cleaned_data['title'],language=form.cleaned_data['language'],description=form.cleaned_data['description'])
+                        age_level=form.cleaned_data['age_level'],
                     work.save()
                     edition.work=work
                     edition.save()
@@ -585,6 +592,7 @@ def new_edition(request, work_id, edition_id, by=None):
                     work.title=form.cleaned_data['title']
                     work.publication_range = None  # will reset on next access
                     work.language = form.cleaned_data['language']
+                    work.age_level = form.cleaned_data['age_level']
                     work.save()
                 
                 id_msg=""