# keeps a handle on all present plugins for managing their queries in a consistent way
# it is expected to exist one such object for a given page
+import json
from engine.prelude import Prelude
+from engine.manifoldapi import ManifoldAPI
# decorator to deflect calls on this PluginSet to its prelude
def to_prelude (method):
class PluginSet:
- def __init__ (self):
+ def __init__ (self, request):
self._plugins = {}
# queue of queries
self._queue=[]
self.prelude=Prelude(css_files='css/plugin.css')
# no queries yet, needed ?
+ # load metadata
+ self._metadata={}
+ self._metadata_javascript=''
+ self.load_metadata(request)
# record known plugins hashed on their domid
def record_plugin (self, plugin):
js = "$(document).ready(function(){%(js)s})"%locals()
self.add_js_chunks (js)
+
+ def load_metadata(self, request):
+ manifold_api_session_auth = request.session['manifold']['auth']
+ manifold_api = ManifoldAPI(auth=manifold_api_session_auth)
+
+ fields = ['table', 'column.column',
+ 'column.description','column.header', 'column.title',
+ 'column.unit', 'column.info_type',
+ 'column.resource_type', 'column.value_type',
+ 'column.allowed_values', 'column.platforms.platform',
+ 'column.platforms.platform_url']
+
+ results = manifold_api.Get('metadata:table', [], [], fields)
+
+ for res in results:
+ method = res['table']
+ self._metadata[method] = res
+
+ request.session['metadata'] = self._metadata
+ self._metadata_javascript = "all_headers=" + json.dumps(self._metadata) + ";"
+ self.add_js_chunks(self._metadata_javascript)
+
+
+ def metadata_get_fields(self, method):
+ return self._metadata[method]['column'].sort()
+
+
#################### requirements/prelude management
# just forward to self.pluginset - see decorator above
@to_prelude