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Viewing changes to ivle/webapp/admin/subject.py

  • Committer: Matt Giuca
  • Date: 2010-02-25 08:26:04 UTC
  • mfrom: (1710.1.25 new-project-ui)
  • Revision ID: matt.giuca@gmail.com-20100225082604-0fku57vycn5cgonf
https://launchpad.net/bugs/493942
Replaced AJAX UI for project creation with a standard one. Can now edit project sets, and edit/delete projects. Also many more links to such things, due to the fact that they have their own URLs now. Fixes Launchpad bug #493942.

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ivle/webapp/admin/subject.py
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import formencode
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import formencode.validators
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from ivle.webapp.base.forms import BaseFormView, URLNameValidator
 
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from ivle.webapp.base.forms import (BaseFormView, URLNameValidator,
 
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                                    DateTimeValidator)
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from ivle.webapp.base.plugins import ViewPlugin, MediaPlugin
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from ivle.webapp.base.xhtml import XHTMLView
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from ivle.webapp.errors import BadRequest
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from ivle import util
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import ivle.date
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49
 
from ivle.webapp.admin.projectservice import ProjectSetRESTView
50
 
from ivle.webapp.admin.offeringservice import OfferingRESTView
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from ivle.webapp.admin.publishing import (root_to_subject, root_to_semester,
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            subject_to_offering, offering_to_projectset, offering_to_project,
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            offering_to_enrolment, subject_url, semester_url, offering_url,
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            projectset_url, project_url, enrolment_url)
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from ivle.webapp.admin.breadcrumbs import (SubjectBreadcrumb,
56
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            OfferingBreadcrumb, UserBreadcrumb, ProjectBreadcrumb,
57
 
            EnrolmentBreadcrumb)
 
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            ProjectsBreadcrumb, EnrolmentBreadcrumb)
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from ivle.webapp.core import Plugin as CorePlugin
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from ivle.webapp.groups import GroupsView
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from ivle.webapp.media import media_url
688
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689
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    def populate(self, req, ctx):
690
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        self.plugin_styles[Plugin] = ["project.css"]
691
 
        self.plugin_scripts[Plugin] = ["project.js"]
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        ctx['req'] = req
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        ctx['offering'] = self.context
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        ctx['projectsets'] = []
695
 
        ctx['OfferingRESTView'] = OfferingRESTView
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697
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        #Open the projectset Fragment, and render it for inclusion
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        #into the ProjectSets page
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            setCtx['projectset'] = projectset
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            setCtx['projects'] = []
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            setCtx['GroupsView'] = GroupsView
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            setCtx['ProjectSetRESTView'] = ProjectSetRESTView
 
709
            setCtx['ProjectSetEdit'] = ProjectSetEdit
 
710
            setCtx['ProjectNew'] = ProjectNew
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711
 
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            for project in \
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                projectset.projects.order_by(ivle.database.Project.deadline):
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                projectCtx = Context()
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                projectCtx['req'] = req
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                projectCtx['project'] = project
 
718
                projectCtx['ProjectEdit'] = ProjectEdit
 
719
                projectCtx['ProjectDelete'] = ProjectDelete
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721
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                setCtx['projects'].append(
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                        projecttmpl.generate(projectCtx))
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        self.plugin_styles[Plugin] = ["project.css"]
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754
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        ctx['req'] = req
 
755
        ctx['permissions'] = self.context.get_permissions(req.user,req.config)
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        ctx['GroupsView'] = GroupsView
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        ctx['EnrolView'] = EnrolView
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        ctx['format_datetime'] = ivle.date.make_date_nice
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        ctx['svn_addr'] = req.config['urls']['svn_addr']
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        ctx['project'] = self.context
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        ctx['user'] = req.user
 
764
        ctx['ProjectEdit'] = ProjectEdit
 
765
        ctx['ProjectDelete'] = ProjectDelete
 
766
 
 
767
class ProjectUniquenessValidator(formencode.FancyValidator):
 
768
    """A FormEncode validator that checks that a project short_name is unique
 
769
    in a given offering.
 
770
 
 
771
    The project referenced by state.existing_project is permitted to
 
772
    hold that short_name. If any other project holds it, the input is rejected.
 
773
    """
 
774
    def _to_python(self, value, state):
 
775
        if (state.store.find(
 
776
            Project,
 
777
            Project.short_name == unicode(value),
 
778
            Project.project_set_id == ProjectSet.id,
 
779
            ProjectSet.offering == state.offering).one() not in
 
780
            (None, state.existing_project)):
 
781
            raise formencode.Invalid(
 
782
                "A project with that URL name already exists in this offering."
 
783
                , value, state)
 
784
        return value
 
785
 
 
786
class ProjectSchema(formencode.Schema):
 
787
    name = formencode.validators.UnicodeString(not_empty=True)
 
788
    short_name = formencode.All(
 
789
        URLNameValidator(not_empty=True),
 
790
        ProjectUniquenessValidator())
 
791
    deadline = DateTimeValidator(not_empty=True)
 
792
    url = formencode.validators.URL(if_missing=None, not_empty=False)
 
793
    synopsis = formencode.validators.UnicodeString(not_empty=True)
 
794
 
 
795
class ProjectEdit(BaseFormView):
 
796
    """A form to edit a project."""
 
797
    template = 'templates/project-edit.html'
 
798
    tab = 'subjects'
 
799
    permission = 'edit'
 
800
 
 
801
    @property
 
802
    def validator(self):
 
803
        return ProjectSchema()
 
804
 
 
805
    def populate(self, req, ctx):
 
806
        super(ProjectEdit, self).populate(req, ctx)
 
807
        ctx['projectset'] = self.context.project_set
 
808
 
 
809
    def populate_state(self, state):
 
810
        state.offering = self.context.project_set.offering
 
811
        state.existing_project = self.context
 
812
 
 
813
    def get_default_data(self, req):
 
814
        return {
 
815
            'name':         self.context.name,
 
816
            'short_name':   self.context.short_name,
 
817
            'deadline':     self.context.deadline,
 
818
            'url':          self.context.url,
 
819
            'synopsis':     self.context.synopsis,
 
820
            }
 
821
 
 
822
    def save_object(self, req, data):
 
823
        self.context.name = data['name']
 
824
        self.context.short_name = data['short_name']
 
825
        self.context.deadline = data['deadline']
 
826
        self.context.url = unicode(data['url']) if data['url'] else None
 
827
        self.context.synopsis = data['synopsis']
 
828
        return self.context
 
829
 
 
830
class ProjectNew(BaseFormView):
 
831
    """A form to create a new project."""
 
832
    template = 'templates/project-new.html'
 
833
    tab = 'subjects'
 
834
    permission = 'edit'
 
835
 
 
836
    @property
 
837
    def validator(self):
 
838
        return ProjectSchema()
 
839
 
 
840
    def populate(self, req, ctx):
 
841
        super(ProjectNew, self).populate(req, ctx)
 
842
        ctx['projectset'] = self.context
 
843
 
 
844
    def populate_state(self, state):
 
845
        state.offering = self.context.offering
 
846
        state.existing_project = None
 
847
 
 
848
    def get_default_data(self, req):
 
849
        return {}
 
850
 
 
851
    def save_object(self, req, data):
 
852
        new_project = Project()
 
853
        new_project.project_set = self.context
 
854
        new_project.name = data['name']
 
855
        new_project.short_name = data['short_name']
 
856
        new_project.deadline = data['deadline']
 
857
        new_project.url = unicode(data['url']) if data['url'] else None
 
858
        new_project.synopsis = data['synopsis']
 
859
        req.store.add(new_project)
 
860
        return new_project
 
861
 
 
862
class ProjectDelete(XHTMLView):
 
863
    """A form to delete a project."""
 
864
    template = 'templates/project-delete.html'
 
865
    tab = 'subjects'
 
866
    permission = 'edit'
 
867
 
 
868
    def populate(self, req, ctx):
 
869
        # If post, delete the project, or display a message explaining that
 
870
        # the project cannot be deleted
 
871
        if self.context.can_delete:
 
872
            if req.method == 'POST':
 
873
                self.context.delete()
 
874
                self.template = 'templates/project-deleted.html'
 
875
        else:
 
876
            # Can't delete
 
877
            self.template = 'templates/project-undeletable.html'
 
878
 
 
879
        # If get and can delete, display a delete confirmation page
 
880
 
 
881
        # Variables for the template
 
882
        ctx['req'] = req
 
883
        ctx['project'] = self.context
 
884
        ctx['OfferingProjectsView'] = OfferingProjectsView
 
885
 
 
886
class ProjectSetSchema(formencode.Schema):
 
887
    group_size = formencode.validators.Int(if_missing=None, not_empty=False)
 
888
 
 
889
class ProjectSetEdit(BaseFormView):
 
890
    """A form to edit a project set."""
 
891
    template = 'templates/projectset-edit.html'
 
892
    tab = 'subjects'
 
893
    permission = 'edit'
 
894
 
 
895
    @property
 
896
    def validator(self):
 
897
        return ProjectSetSchema()
 
898
 
 
899
    def populate(self, req, ctx):
 
900
        super(ProjectSetEdit, self).populate(req, ctx)
 
901
 
 
902
    def get_default_data(self, req):
 
903
        return {
 
904
            'group_size': self.context.max_students_per_group,
 
905
            }
 
906
 
 
907
    def save_object(self, req, data):
 
908
        self.context.max_students_per_group = data['group_size']
 
909
        return self.context
 
910
 
 
911
class ProjectSetNew(BaseFormView):
 
912
    """A form to create a new project set."""
 
913
    template = 'templates/projectset-new.html'
 
914
    tab = 'subjects'
 
915
    permission = 'edit'
 
916
    breadcrumb_text = "Projects"
 
917
 
 
918
    @property
 
919
    def validator(self):
 
920
        return ProjectSetSchema()
 
921
 
 
922
    def populate(self, req, ctx):
 
923
        super(ProjectSetNew, self).populate(req, ctx)
 
924
 
 
925
    def get_default_data(self, req):
 
926
        return {}
 
927
 
 
928
    def save_object(self, req, data):
 
929
        new_set = ProjectSet()
 
930
        new_set.offering = self.context
 
931
        new_set.max_students_per_group = data['group_size']
 
932
        req.store.add(new_set)
 
933
        return new_set
763
934
 
764
935
class Plugin(ViewPlugin, MediaPlugin):
765
936
    forward_routes = (root_to_subject, root_to_semester, subject_to_offering,
786
957
             (Enrolment, '+edit', EnrolmentEdit),
787
958
             (Enrolment, '+delete', EnrolmentDelete),
788
959
             (Offering, ('+projects', '+index'), OfferingProjectsView),
 
960
             (Offering, ('+projects', '+new-set'), ProjectSetNew),
 
961
             (ProjectSet, '+edit', ProjectSetEdit),
 
962
             (ProjectSet, '+new', ProjectNew),
789
963
             (Project, '+index', ProjectView),
790
 
 
791
 
             (Offering, ('+projectsets', '+new'), OfferingRESTView, 'api'),
792
 
             (ProjectSet, ('+projects', '+new'), ProjectSetRESTView, 'api'),
 
964
             (Project, '+edit', ProjectEdit),
 
965
             (Project, '+delete', ProjectDelete),
793
966
             ]
794
967
 
795
968
    breadcrumbs = {Subject: SubjectBreadcrumb,