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

Created a new view for IVLE, allowing lecturers and tutors to 
administrate projects.

At the moment, this new view can add projectsets, and add projects.
It can also view the details of a project.

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ivle/webapp/admin/subject.py
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import cgi
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from storm.locals import Desc
 
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import genshi
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from genshi.filters import HTMLFormFiller
 
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from genshi.template import Context, TemplateLoader
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import formencode
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from ivle.webapp.base.xhtml import XHTMLView
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from ivle.webapp.base.plugins import ViewPlugin, MediaPlugin
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from ivle.webapp.errors import NotFound
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from ivle.database import Subject, Semester, Offering, Enrolment, User
 
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from ivle.database import Subject, Semester, Offering, Enrolment, User,\
 
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                          ProjectSet, Project
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from ivle import util
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from ivle.webapp.admin.projectservice import ProjectSetRESTView,\
 
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                                             ProjectRESTView
 
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from ivle.webapp.admin.offeringservice import OfferingRESTView
 
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class SubjectsView(XHTMLView):
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    '''The view of the list of subjects.'''
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    template = 'subjects.html'
 
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    template = 'templates/subjects.html'
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    tab = 'subjects'
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    def authorize(self, req):
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class EnrolView(XHTMLView):
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    """A form to enrol a user in an offering."""
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    template = 'enrol.html'
 
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    template = 'templates/enrol.html'
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    tab = 'subjects'
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    permission = 'edit'
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class SubjectProjectSetView(XHTMLView):
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    """View the ProjectSets for a subject."""
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    template = 'subject_projects.html'
 
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    template = 'templates/subject_projects.html'
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    permission = 'edit'
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    def __init__(self, req, subject, year, semester):
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        if not self.context:
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            raise NotFound()
 
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    def project_url(self, projectset, project):
 
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        return "/subjects/" + self.context.subject.short_name + "/" +\
 
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                self.context.semester.year + "/" + \
 
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                self.context.semester.semester + "/+projectsets/" +\
 
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                str(projectset.id) + "/+projects/" + project.short_name
 
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    def new_project_url(self, projectset):
 
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        return "/api/subjects/" + self.context.subject.short_name + "/" +\
 
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                self.context.semester.year + "/" + \
 
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                self.context.semester.semester + "/+projectsets/" +\
 
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                str(projectset.id) + "/+projects/+new"
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    def populate(self, req, ctx):
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        self.plugin_styles[Plugin] = ["project.css"]
 
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        self.plugin_scripts[Plugin] = ["project.js"]
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        ctx['offering'] = self.context
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class ProjectSetView(XHTMLView):
 
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        ctx['subject'] = self.context.subject.short_name
 
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        ctx['year'] = self.context.semester.year
 
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        ctx['semester'] = self.context.semester.semester
 
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        ctx['projectsets'] = []
 
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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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        #XXX: This could be a lot cleaner
 
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        loader = genshi.template.TemplateLoader(".", auto_reload=True)
 
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        set_fragment = os.path.join(os.path.dirname(__file__),
 
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                "templates/projectset_fragment.html")
 
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        project_fragment = os.path.join(os.path.dirname(__file__),
 
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                "templates/project_fragment.html")
 
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        for projectset in self.context.project_sets:
 
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            settmpl = loader.load(set_fragment)
 
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            setCtx = Context()
 
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            setCtx['group_size'] = projectset.max_students_per_group
 
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            setCtx['projectset_id'] = projectset.id
 
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            setCtx['new_project_url'] = self.new_project_url(projectset)
 
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            setCtx['projects'] = []
 
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            for project in projectset.projects:
 
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                projecttmpl = loader.load(project_fragment)
 
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                projectCtx = Context()
 
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                projectCtx['project'] = project
 
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                projectCtx['project_url'] = self.project_url(projectset, project)
 
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                setCtx['projects'].append(
 
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                        projecttmpl.generate(projectCtx))
 
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            ctx['projectsets'].append(settmpl.generate(setCtx))
 
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class ProjectView(XHTMLView):
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    """View the submissions for a ProjectSet"""
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    template = 'projectsubmissions.html'
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    permission = 'edit'
 
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    template = "templates/project.html"
 
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    permission = "edit"
 
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    def __init__(self, req, subject, year, semester, projectset, project):
 
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        self.context = req.store.find(Project,
 
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                Project.short_name == project,
 
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                Project.project_set_id == ProjectSet.id,
 
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                ProjectSet.offering_id == Offering.id,
 
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                Offering.semester_id == Semester.id,
 
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                Semester.year == year,
 
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                Semester.semester == semester,
 
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                Offering.subject_id == Subject.id,
 
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                Subject.short_name == subject).one()
 
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        if self.context is None:
 
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            raise NotFound()
 
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    def populate(self, req, ctx):
 
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        ctx['project'] = self.context
 
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        ctx['assesseds'] = self.context.assesseds
 
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class Plugin(ViewPlugin, MediaPlugin):
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    urls = [
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        ('subjects/', SubjectsView),
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        ('subjects/:subject/:year/:semester/+enrolments/+new', EnrolView),
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        ('subjects/:subject/:year/:semester/+projects', SubjectProjectSetView),
 
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        ('subjects/:subject/:year/:semester/+projectsets/:projectset/+projects/:project', ProjectView),
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        #API Views
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        ('api/subjects/:subject/:year/:semester/+projectsets/+new',
 
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            OfferingRESTView),
 
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        ('api/subjects/:subject/:year/:semester/+projectsets/:projectset/+projects/+new',
 
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            ProjectSetRESTView),
 
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        ('api/subjects/:subject/:year/:semester/+projectsets/:projectset/+projects/:project', 
 
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            ProjectRESTView),
 
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    ]
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    tabs = [