Merge branch 'metadata-editor' into metadata

7 files changed, 258 insertions, 15 deletions

diff --git a/mediagoblin/edit/forms.py b/mediagoblin/edit/forms.py
index 2c9b5e99..7ddf603e 100644
--- a/mediagoblin/edit/forms.py
+++ b/mediagoblin/edit/forms.py
@@ -122,3 +122,15 @@ class ChangeEmailForm(wtforms.Form):
         [wtforms.validators.Required()],
         description=_(
             "Enter your password to prove you own this account."))
+
+class MetaDataForm(wtforms.Form):
+    identifier = wtforms.TextField(_(u'Identifier'))
+    value = wtforms.TextField(_(u'Value'))
+
+class EditMetaDataForm(wtforms.Form):
+    media_metadata = wtforms.FieldList(
+        wtforms.FormField(MetaDataForm, label="")
+    )
+    context = wtforms.FieldList(
+        wtforms.FormField(MetaDataForm, label="")
+    )
diff --git a/mediagoblin/edit/views.py b/mediagoblin/edit/views.py
index 80590875..4ab3fe01 100644
--- a/mediagoblin/edit/views.py
+++ b/mediagoblin/edit/views.py
@@ -17,6 +17,7 @@
 from datetime import datetime
 
 from itsdangerous import BadSignature
+from pyld import jsonld
 from werkzeug.exceptions import Forbidden
 from werkzeug.utils import secure_filename
 
@@ -29,7 +30,8 @@ from mediagoblin.edit import forms
 from mediagoblin.edit.lib import may_edit_media
 from mediagoblin.decorators import (require_active_login, active_user_from_url,
                             get_media_entry_by_id, user_may_alter_collection,
-                            get_user_collection)
+                            get_user_collection, user_has_privilege,
+                            user_not_banned)
 from mediagoblin.tools.crypto import get_timed_signer_url
 from mediagoblin.tools.mail import email_debug_message
 from mediagoblin.tools.response import (render_to_response,
@@ -432,3 +434,51 @@ def change_email(request):
         'mediagoblin/edit/change_email.html',
         {'form': form,
          'user': user})
+
+@user_has_privilege(u'admin')
+@require_active_login
+@get_media_entry_by_id
+def edit_metadata(request, media):
+    form = forms.EditMetaDataForm(request.form)
+    if request.method == "POST" and form.validate():
+        context = dict([(row['identifier'],row['value'])
+                            for row in form.context.data])
+        metadata_dict = dict([(row['identifier'],row['value'])
+                            for row in form.media_metadata.data])
+        # TODO VALIDATE THIS BEFORE WE ENTER IT
+        # validate(metadata_dict)
+        # validate(context)
+        json_ld_metadata = jsonld.compact(metadata_dict, context)
+        # media.media_metadata = json_ld_metadata
+        # media.save()
+        return redirect_obj(request, media)
+
+    if media.media_metadata:
+        for row in media.media_metadata.iteritems():
+            if row[0] == "@context": continue
+            identifier = row[0]
+            # TODO Will change when we revert the metadata branch
+            value = row[1]['@value']
+            form.media_metadata.append_entry({
+                'identifier':identifier,
+                'value':value})
+        for row in media.media_metadata['@context'].iteritems():
+            identifier, value = row[0:2]
+            form.context.append_entry({
+                'identifier':identifier,
+                'value':value})
+    else:
+        form.media_metadata.append_entry({
+            'identifier':"",
+            'value':""})
+        form.media_metadata.append_entry({
+            'identifier':"",
+            'value':""})
+        form.context.append_entry({
+            'identifier':"",
+            'value':""})
+    return render_to_response(
+        request,
+        'mediagoblin/edit/metadata.html',
+        {'form':form,
+         'media':media})
diff --git a/mediagoblin/static/css/base.css b/mediagoblin/static/css/base.css
index 32c6c6cb..bb2a2cbd 100644
--- a/mediagoblin/static/css/base.css
+++ b/mediagoblin/static/css/base.css
@@ -938,3 +938,21 @@ p.verifier {
     none repeat scroll 0% 0% rgb(221, 221, 221);
     padding: 1em 0px;
 }
+
+/* for the media metadata editing table */
+table.metadata_editor {
+
+    margin: 10px auto;
+    width: 1000px;
+}
+
+table.metadata_editor tr th {
+    width:100px;
+}
+
+table.metadata_editor tr td {
+    width:300px;
+}
+table.metadata_editor tr td.form_field_input input {
+    width:300px;
+}
diff --git a/mediagoblin/templates/mediagoblin/edit/metadata.html b/mediagoblin/templates/mediagoblin/edit/metadata.html
new file mode 100644
index 00000000..d5d1fec5
--- /dev/null
+++ b/mediagoblin/templates/mediagoblin/edit/metadata.html
@@ -0,0 +1,120 @@
+{#
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#}
+{%- extends "mediagoblin/base.html" %}
+{% import "/mediagoblin/utils/wtforms.html" as wtforms_util %}
+{% block mediagoblin_head %}
+  <script>
+    function add_new_row(table_id, row_number, input_prefix) {
+        new_row = $('<tr>').append(
+                      $('<td>').attr(
+                      'class','form_field_input').append(
+                          $('<input>').attr('name',
+                          input_prefix + row_number + "-identifier").attr('id',
+                          input_prefix + row_number + "-identifier")
+                      )
+                  ).append(
+                      $('<td>').attr(
+                      'class','form_field_input').append(
+                          $('<input>').attr('name',
+                          input_prefix + row_number + "-value").attr('id',
+                          input_prefix + row_number + "-value")
+                      )
+                  );
+        $(table_id).append(new_row);
+    }
+    function clear_empty_rows(list_id) {
+        $('table'+list_id+' tr').each(function(row){
+            id_input = $(this).find('td').find('input');
+            value_input = $(this).find('td').next().find('input');
+            if ((value_input.attr('value') == "") &&
+                    (id_input.attr('value') == "")) {
+                $(this).remove();
+            }
+        })
+    }
+
+    $(document).ready(function(){
+        var context_lines = {{ form.context | length }};
+        var metadata_lines = {{ form.media_metadata | length }};
+        $("#add_new_metadata_row").click(function(){
+            add_new_row("#metadata_list",
+                        metadata_lines,
+                        'media_metadata-');
+            metadata_lines += 1;
+        })
+        $("#add_new_context_row").click(function(){
+            add_new_row("#context_list",
+                        context_lines,
+                        'context-');
+            context_lines += 1;
+        })
+        $("#clear_empty_rows").click(function(){
+            clear_empty_rows("#context_list");
+            clear_empty_rows("#metadata_list");
+        })
+    })
+  </script>
+{% endblock %}
+{% block mediagoblin_content %}
+  <h2>{% trans media_name=media.title -%}
+    Metadata for "{{ media_name }}"{% endtrans %}</h2>
+  <form action="" method="POST" id="metadata_form">
+<!-- This table holds all the information about the metadata's context.
+     visit http:/wwww.json-ld.org for more information. -->
+  <h3>{% trans %}Context{% endtrans %}</h3>
+  <table class="metadata_editor" id="context_list">
+    {{ wtforms_util.render_fieldlist_as_table_rows(form.context) }}
+  </table>
+
+  <table class="metadata_editor" id="buttons_top">
+    <tr>
+      <th></th>
+      <td><input type=button value="{% trans %}Add new Row{% endtrans %}"
+        class="button_action" id="add_new_context_row" /></td>
+      <th></th>
+      <td></td>
+    </tr>
+  </table>
+
+<!-- This table holds all the information about the media entry's metadata -->
+  <h3>{% trans %}Data{% endtrans %}</h3>
+  <table class="metadata_editor" id="metadata_list" >
+    {{ wtforms_util.render_fieldlist_as_table_rows(form.media_metadata) }}
+  </table>
+
+<!-- These are the buttons you use to control the form -->
+  <table class="metadata_editor" id="buttons_bottom">
+    <tr>
+      <th></th>
+      <td><input type=button value="{% trans %}Add new Row{% endtrans %}"
+        class="button_action" id="add_new_metadata_row" />
+      </td>
+      <th></th>
+      <td><input type=submit value="{% trans %}Update Metadata{% endtrans %}"
+        class="button_action_highlight" /></td>
+    </tr>
+    <tr>
+      <th></th>
+      <td><input type=button value="{% trans %}Clear empty Rows{% endtrans %}"
+        class="button_action" id="clear_empty_rows" /></td>
+    </tr>
+  </table>
+  {{ csrf_token }}
+  </form>
+
+{% endblock mediagoblin_content %}
diff --git a/mediagoblin/templates/mediagoblin/utils/metadata_table.html b/mediagoblin/templates/mediagoblin/utils/metadata_table.html
index 2eb57af3..0c67264a 100644
--- a/mediagoblin/templates/mediagoblin/utils/metadata_table.html
+++ b/mediagoblin/templates/mediagoblin/utils/metadata_table.html
@@ -33,4 +33,10 @@
         {%- endfor %}
       </table>
   {% endif %}
+  {% if request.user and request.user.has_privilege('admin') %}
+      <a href="{{ request.urlgen('mediagoblin.edit.metadata',
+                    user=media_entry.get_uploader.username,
+                    media_id=media_entry.id) }}">
+        {% trans %}Edit Metadata{% endtrans %}</a>
+  {% endif %}
 {%- endmacro %}
diff --git a/mediagoblin/templates/mediagoblin/utils/wtforms.html b/mediagoblin/templates/mediagoblin/utils/wtforms.html
index e079274e..c83d53f1 100644
--- a/mediagoblin/templates/mediagoblin/utils/wtforms.html
+++ b/mediagoblin/templates/mediagoblin/utils/wtforms.html
@@ -70,23 +70,56 @@
 {# Auto-render a form as a table #}
 {% macro render_table(form) -%}
   {% for field in form %}
-    <tr>
-      <th>{{ field.label.text }}</th>
-      <td>
-        {{field}}
-        {% if field.errors %}
-          <br />
-          <ul class="errors">
-            {% for error in field.errors %}
-              <li>{{error}}</li>
-            {% endfor %}
-          </ul>
-        {% endif %}
-      </td>
-    </tr>
+    render_field_as_table_row(field)
   {% endfor %}
 {%- endmacro %}
 
+{% macro render_form_as_table_row(form) %}
+  <tr>
+  {%- for field in form %}
+    <th>{{ render_label_p(field) }}</th>
+    <td class="form_field_input">
+      {{field}}
+      {%- if field.errors -%}
+        <br />
+        <ul class="errors">
+          {% for error in field.errors %}
+            <li>{{error}}</li>
+          {%- endfor %}
+        </ul>
+      {%- endif -%}
+    </td>
+  {%- endfor %}
+  </tr>
+{%- endmacro %}
+
+{% macro render_field_as_table_row(field) %}
+  <tr>
+    <th>{{ field.label.text }}</th>
+    <td>
+      {{field}}
+      {% if field.errors %}
+        <br />
+        <ul class="errors">
+          {% for error in field.errors %}
+            <li>{{error}}</li>
+          {% endfor %}
+        </ul>
+      {% endif %}
+    </td>
+  </tr>
+{% endmacro %}
+
+{% macro render_fieldlist_as_table_rows(fieldlist) %}
+  {% for field in fieldlist -%}
+    {%- if field.type == 'FormField' %}
+        {{ render_form_as_table_row(field) }}
+    {%- else %}
+        {{ render_field_as_table_row(field) }}
+    {%- endif %}
+  {% endfor -%}
+{% endmacro %}
+
 {# Render a boolean field #}
 {% macro render_bool(field) %}
   <div class="boolean">
diff --git a/mediagoblin/user_pages/routing.py b/mediagoblin/user_pages/routing.py
index f0f4d8b7..8eb51c8d 100644
--- a/mediagoblin/user_pages/routing.py
+++ b/mediagoblin/user_pages/routing.py
@@ -101,3 +101,7 @@ add_route('mediagoblin.edit.edit_media',
 add_route('mediagoblin.edit.attachments',
           '/u/<string:user>/m/<int:media_id>/attachments/',
           'mediagoblin.edit.views:edit_attachments')
+
+add_route('mediagoblin.edit.metadata',
+          '/u/<string:user>/m/<int:media_id>/metadata/',
+          'mediagoblin.edit.views:edit_metadata')