[auth,logic,ui] Handle publishers on the UI

Add fields for publishers in the form when using the publihser auth
profile. Some changes related to the source schema.

ckanext/harvest/controllers/view.py

@@ -2,7 +2,9 @@ from lxml import etree
 from lxml.etree import XMLSyntaxError
 from pylons.i18n import _
 
+from ckan.authz import Authorizer
 from ckan import model
+from ckan.model.group import Group
 
 import ckan.lib.helpers as h, json
 from ckan.lib.base import BaseController, c, g, request, \
@@ -19,6 +21,33 @@ class ViewController(BaseController):
 
     not_auth_message = _('Not authorized to see this page')
 
+    def __before__(self, action, **params):
+
+        super(ViewController,self).__before__(action, **params)
+
+        c.publisher_auth = (config.get('ckan.harvest.auth.profile',None) == 'publisher')
+
+    def _get_publishers(self):
+        groups = None
+
+        if c.publisher_auth:
+            if Authorizer().is_sysadmin(c.user):
+                groups = Group.all(group_type='publisher')
+            elif c.userobj:
+                groups = c.userobj.get_groups('publisher')
+            else: # anonymous user shouldn't have access to this page anyway.
+                groups = []
+
+            # Be explicit about which fields we make available in the template
+            groups = [ {
+                'name': g.name,
+                'id': g.id,
+                'title': g.title,
+            } for g in groups ]
+
+        return groups
+
+
     def index(self):
         context = {'model':model, 'user':c.user,'session':model.Session}
         try:
@@ -46,6 +75,7 @@ class ViewController(BaseController):
 
         vars = {'data': data, 'errors': errors, 'error_summary': error_summary, 'harvesters': harvesters_info}
 
+        c.groups = self._get_publishers()
         c.form = render('source/new_source_form.html', extra_vars=vars)
         return render('source/new.html')
 
@@ -53,7 +83,9 @@ class ViewController(BaseController):
         try:
             data_dict = dict(request.params)
             self._check_data_dict(data_dict)
-            context = {'model':model, 'user':c.user, 'session':model.Session}
+            context = {'model':model, 'user':c.user, 'session':model.Session,
+                       'schema':harvest_source_form_schema()}
+
             source = get_action('harvest_source_create')(context,data_dict)
 
             # Create a harvest job for the new source
@@ -61,7 +93,7 @@ class ViewController(BaseController):
 
             h.flash_success(_('New harvest source added successfully.'
                     'A new harvest job for the source has also been created.'))
-            redirect(h.url_for('harvest'))
+            redirect('/harvest/%s' % source['id'])
         except NotAuthorized,e:
             abort(401,self.not_auth_message)
         except DataError,e:
@@ -98,6 +130,7 @@ class ViewController(BaseController):
 
         vars = {'data': data, 'errors': errors, 'error_summary': error_summary, 'harvesters': harvesters_info}
 
+        c.groups = self._get_publishers()
         c.form = render('source/new_source_form.html', extra_vars=vars)
         return render('source/edit.html')
 
@@ -106,12 +139,13 @@ class ViewController(BaseController):
             data_dict = dict(request.params)
             data_dict['id'] = id
             self._check_data_dict(data_dict)
-            context = {'model':model, 'user':c.user, 'session':model.Session}
+            context = {'model':model, 'user':c.user, 'session':model.Session,
+                       'schema':harvest_source_form_schema()}
 
             source = get_action('harvest_source_update')(context,data_dict)
 
             h.flash_success(_('Harvest source edited successfully.'))
-            redirect(h.url_for('harvest'))
+            redirect('/harvest/%s' %id)
         except NotAuthorized,e:
             abort(401,self.not_auth_message)
         except DataError,e:
@@ -125,11 +159,14 @@ class ViewController(BaseController):
 
     def _check_data_dict(self, data_dict):
         '''Check if the return data is correct'''
-        surplus_keys_schema = ['id','publisher_id','user_id','active','save','config']
-
+        surplus_keys_schema = ['id','publisher_id','user_id','config','save']
         schema_keys = harvest_source_form_schema().keys()
         keys_in_schema = set(schema_keys) - set(surplus_keys_schema)
 
+        # user_id is not yet used, we'll set the logged user one for the time being
+        if not data_dict.get('user_id',None):
+            if c.userobj:
+                data_dict['user_id'] = c.userobj.id
         if keys_in_schema - set(data_dict.keys()):
             log.info(_('Incorrect form fields posted'))
             raise DataError(data_dict)

ckanext/harvest/logic/action/create.py

@@ -15,8 +15,8 @@ def harvest_source_create(context,data_dict):
 
     model = context['model']
     session = context['session']
+    schema = context.get('schema') or default_harvest_source_schema()
 
-    schema = harvest_source_form_schema()
     data, errors = validate(data_dict, schema)
 
     if errors:

ckanext/harvest/logic/action/update.py

@@ -28,14 +28,14 @@ def harvest_source_update(context,data_dict):
     session = context['session']
 
     source_id = data_dict.get('id')
-
-    schema = harvest_source_form_schema()
+    schema = context.get('schema') or default_harvest_source_schema()
 
     source = HarvestSource.get(source_id)
     if not source:
         raise NotFound('Harvest source %s does not exist' % source_id)
 
     data, errors = validate(data_dict, schema)
+
     if errors:
         session.rollback()
         raise ValidationError(errors,_error_summary(errors))

ckanext/harvest/logic/schema.py

@@ -1,3 +1,5 @@
+from ckan.lib.base import config
+
 from ckan.lib.navl.validators import (ignore_missing,
                                       not_empty,
                                       empty,
@@ -20,11 +22,15 @@ def default_harvest_source_schema():
         'title': [ignore_missing,unicode],
         'description': [ignore_missing,unicode],
         'active': [ignore_missing,harvest_source_active_validator],
-        'user_id': [ignore_missing],
-        'publisher_id': [ignore_missing],
+        'user_id': [ignore_missing,unicode],
         'config': [ignore_missing,harvest_source_config_validator]
     }
 
+    if config.get('ckan.harvest.auth.profile',None) == 'publisher':
+        schema['publisher_id'] = [not_empty,unicode]
+    else:
+        schema['publisher_id'] = [ignore_missing,unicode]
+
     return schema
 
 

ckanext/harvest/templates/source/new_source_form.html

@@ -44,6 +44,18 @@
             <dt><label class="field_opt" for="description">Description</label></dt>
             <dd><textarea id="description" name="description" cols="30" rows="2" style="height:75px">${data.get('description', '')}</textarea></dd>
             <dd class="instructions basic">You can add your own notes here about what the URL above represents to remind you later.</dd>
+
+            <dt py:if="c.publisher_auth"><label class="field_opt" for="groups__${len(data.get('groups', []))}__id">Publisher</label></dt>
+            <dd py:if="c.publisher_auth and c.groups">
+              <select id="publisher_id" name="publisher_id">
+                <py:for each="group in c.groups">
+                <option value="${group['id']}" py:attrs="{'selected': 'selected' if group['id'] == data.get('publisher_id',None) else None}">${group['title']}</option>
+                </py:for>
+              </select>
+            </dd>
+            <dd py:if="c.publisher_auth and not c.groups"><em>Cannot add any publishers.</em></dd>
+
+
             <dt><label class="field_opt" for="config">Configuration</label></dt>
             <dd><textarea id="config" name="config" cols="30" rows="2" style="height:75px">${data.get('config', '')}</textarea></dd>
 

ckanext/harvest/templates/source/read.html

@@ -51,11 +51,11 @@
             <td>-</td>
             </py:if>
         </tr>
-        <tr>
+        <tr py:if="c.publisher_auth">
             <th>User</th>
             <td>${c.source.user_id}</td>
         </tr>
-        <tr>
+        <tr py:if="c.publisher_auth">
             <th>Publisher</th>
             <td>${c.source.publisher_id}</td>
         </tr>