~azzar1/unity/add-show-desktop-key

« back to all changes in this revision

Viewing changes to ivle/webapp/tutorial/service.py

  • Committer: Matt Giuca
  • Date: 2010-02-25 08:36:59 UTC
  • Revision ID: matt.giuca@gmail.com-20100225083659-2s8vdrfhx3bhvcmp
DateTimeValidator: Removed some debugging code. Oops.

Show diffs side-by-side

added added

removed removed

Lines of Context:
19
19
 
20
20
'''AJAX backend for the tutorial application.'''
21
21
 
22
 
import os
23
22
import datetime
24
23
 
25
 
import ivle.util
26
 
import ivle.console
 
24
import genshi
 
25
from storm.locals import Store
 
26
 
27
27
import ivle.database
28
 
from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, Offering, Subject, Semester
29
 
import ivle.worksheet
30
 
import ivle.conf
31
 
import ivle.webapp.tutorial.test
32
 
 
 
28
from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, \
 
29
                          Offering, Subject, Semester, User, WorksheetExercise
 
30
import ivle.worksheet.utils
33
31
from ivle.webapp.base.rest import (JSONRESTView, named_operation,
34
32
                                   require_permission)
35
33
from ivle.webapp.errors import NotFound
36
34
 
37
 
# If True, getattempts or getattempt will allow browsing of inactive/disabled
38
 
# attempts. If False, will not allow this.
39
 
HISTORY_ALLOW_INACTIVE = False
40
35
 
41
36
TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S'
42
37
 
43
38
 
44
39
class AttemptsRESTView(JSONRESTView):
45
40
    '''REST view of a user's attempts at an exercise.'''
46
 
    def __init__(self, req, subject, year, semester, worksheet, 
47
 
                                                exercise, username):
48
 
        self.user = ivle.database.User.get_by_login(req.store, username)
49
 
        if self.user is None:
50
 
            raise NotFound()
51
 
        self.exercise = exercise
52
 
        
53
 
        self.worksheet = req.store.find(Worksheet,
54
 
            Worksheet.name == worksheet,
55
 
            Worksheet.offering_id == Offering.id,
56
 
            Offering.subject_id == Subject.id,
57
 
            Subject.code == subject,
58
 
            Offering.semester_id == Semester.id,
59
 
            Semester.year == year,
60
 
            Semester.semester == semester).one()
61
 
        
62
 
        self.context = self.user # XXX: Not quite right.
63
41
 
64
42
    @require_permission('edit')
65
43
    def GET(self, req):
66
44
        """Handles a GET Attempts action."""
67
 
        exercise = req.store.find(Exercise, Exercise.id == self.exercise).one()
68
 
 
69
45
        attempts = req.store.find(ExerciseAttempt, 
70
 
                ExerciseAttempt.exercise_id == exercise.id,
71
 
                ExerciseAttempt.user_id == self.user.id)
 
46
                ExerciseAttempt.ws_ex_id == self.context.worksheet_exercise.id,
 
47
                ExerciseAttempt.user_id == self.context.user.id)
72
48
        # attempts is a list of ExerciseAttempt objects. Convert to dictionaries
73
49
        time_fmt = lambda dt: datetime.datetime.strftime(dt, TIMESTAMP_FORMAT)
74
50
        attempts = [{'date': time_fmt(a.date), 'complete': a.complete}
80
56
    @require_permission('edit')
81
57
    def PUT(self, req, data):
82
58
        """ Tests the given submission """
83
 
        exercise = req.store.find(Exercise, Exercise.id == self.exercise).one()
84
 
        if exercise is None:
85
 
            raise NotFound()
86
 
 
87
 
        # Start a console to run the tests on
88
 
        jail_path = os.path.join(ivle.conf.jail_base, req.user.login)
89
 
        working_dir = os.path.join("/home", req.user.login)
90
 
        cons = ivle.console.Console(req.user.unixid, jail_path, working_dir)
91
 
 
92
 
        # Parse the file into a exercise object using the test suite
93
 
        exercise_obj = ivle.webapp.tutorial.test.parse_exercise_file(
94
 
                                                            exercise, cons)
95
 
 
96
 
        # Run the test cases. Get the result back as a JSONable object.
97
 
        # Return it.
98
 
        test_results = exercise_obj.run_tests(data['code'])
99
 
 
100
 
        # Close the console
101
 
        cons.close()
 
59
        test_results = ivle.worksheet.utils.test_exercise_submission(
 
60
            req.config, req.user, self.context.worksheet_exercise.exercise,
 
61
            data['code'])
102
62
 
103
63
        attempt = ivle.database.ExerciseAttempt(user=req.user,
104
 
                                                exercise=exercise,
105
 
                                                date=datetime.datetime.now(),
106
 
                                                complete=test_results['passed'],
107
 
                                                worksheet=self.worksheet,
108
 
                                                text=unicode(data['code']))
 
64
            worksheet_exercise = self.context.worksheet_exercise,
 
65
            date = datetime.datetime.now(),
 
66
            complete = test_results['passed'],
 
67
            text = unicode(data['code'])
 
68
        )
109
69
 
110
70
        req.store.add(attempt)
111
71
 
112
72
        # Query the DB to get an updated score on whether or not this problem
113
73
        # has EVER been completed (may be different from "passed", if it has
114
74
        # been completed before), and the total number of attempts.
115
 
        completed, attempts = ivle.worksheet.get_exercise_status(req.store,
116
 
            req.user, exercise, self.worksheet)
 
75
        completed, attempts = ivle.worksheet.utils.get_exercise_status(
 
76
                req.store, req.user, self.context.worksheet_exercise)
117
77
        test_results["completed"] = completed
118
78
        test_results["attempts"] = attempts
119
79
 
123
83
class AttemptRESTView(JSONRESTView):
124
84
    '''REST view of an exercise attempt.'''
125
85
 
126
 
    def __init__(self, req, subject, worksheet, exercise, username, date):
127
 
        # TODO: Find exercise within worksheet.
128
 
        user = ivle.database.User.get_by_login(req.store, username)
129
 
        if user is None:
130
 
            raise NotFound()
131
 
 
132
 
        try:
133
 
            date = datetime.datetime.strptime(date, TIMESTAMP_FORMAT)
134
 
        except ValueError:
135
 
            raise NotFound()
136
 
 
137
 
        exercise = ivle.database.Exercise.get_by_name(req.store, exercise)
138
 
        worksheet = req.store.find(Worksheet,
139
 
            Worksheet.name == self.worksheet,
140
 
            Worksheet.offering_id == Offering.id,
141
 
            Offering.subject_id == Subject.id,
142
 
            Subject.code == self.subject,
143
 
            Offering.semester_id == Semester.id,
144
 
            Semester.year == self.year,
145
 
            Semester.semester == self.semester).one()
146
 
 
147
 
        attempt = ivle.worksheet.get_exercise_attempt(req.store, user,
148
 
            exercise, worksheet, as_of=date, allow_inactive=HISTORY_ALLOW_INACTIVE)
149
 
 
150
 
        if attempt is None:
151
 
            raise NotFound()
152
 
 
153
 
        self.context = attempt
154
 
 
155
86
    @require_permission('view')
156
87
    def GET(self, req):
157
88
        return {'code': self.context.text}
158
89
 
159
90
 
160
 
class ExerciseRESTView(JSONRESTView):
161
 
    '''REST view of an exercise.'''
162
 
 
163
 
    def get_permissions(self, user):
164
 
        # XXX: Do it properly.
165
 
        if user is not None:
166
 
            return set(['save'])
 
91
class WorksheetExerciseRESTView(JSONRESTView):
 
92
    '''REST view of a worksheet exercise.'''
 
93
 
 
94
    @named_operation('view')
 
95
    def save(self, req, text):
 
96
        # Find the appropriate WorksheetExercise to save to. If its not found,
 
97
        # the user is submitting against a non-existant worksheet/exercise
 
98
 
 
99
        old_save = req.store.find(ExerciseSave,
 
100
            ExerciseSave.ws_ex_id == self.context.id,
 
101
            ExerciseSave.user == req.user).one()
 
102
        
 
103
        #Overwrite the old, or create a new if there isn't one
 
104
        if old_save is None:
 
105
            new_save = ExerciseSave()
 
106
            req.store.add(new_save)
167
107
        else:
168
 
            return set()
 
108
            new_save = old_save
 
109
        
 
110
        new_save.worksheet_exercise = self.context
 
111
        new_save.user = req.user
 
112
        new_save.text = unicode(text)
 
113
        new_save.date = datetime.datetime.now()
169
114
 
170
 
    @named_operation('save')
171
 
    def save(self, req, text):
172
 
        # Need to open JUST so we know this is a real exercise.
173
 
        # (This avoids users submitting code for bogus exercises).
174
 
        exercise = req.store.find(Exercise,
175
 
            Exercise.id == self.exercise).one()
176
 
        worksheet = req.store.find(Worksheet,
177
 
            Worksheet.name == self.worksheet,
178
 
            Worksheet.offering_id == Offering.id,
179
 
            Offering.subject_id == Subject.id,
180
 
            Subject.code == self.subject,
181
 
            Offering.semester_id == Semester.id,
182
 
            Semester.year == self.year,
183
 
            Semester.semester == self.semester).one()
184
 
        ivle.worksheet.save_exercise(req.store, req.user, exercise, worksheet,
185
 
                                     unicode(text), datetime.datetime.now())
186
115
        return {"result": "ok"}
 
116
 
 
117
 
 
118
class WorksheetsRESTView(JSONRESTView):
 
119
    """View used to update and create Worksheets."""
 
120
 
 
121
    @named_operation('edit_worksheets')
 
122
    def move_up(self, req, worksheetid):
 
123
        """Takes a list of worksheet-seq_no pairs and updates their 
 
124
        corresponding Worksheet objects to match."""
 
125
        
 
126
        worksheet_below = req.store.find(Worksheet,
 
127
            Worksheet.offering_id == self.context.id,
 
128
            Worksheet.identifier == unicode(worksheetid)).one()
 
129
        if worksheet_below is None:
 
130
            raise NotFound('worksheet_below')
 
131
        worksheet_above = req.store.find(Worksheet,
 
132
            Worksheet.offering_id == self.context.id,
 
133
            Worksheet.seq_no == (worksheet_below.seq_no - 1)).one()
 
134
        if worksheet_above is None:
 
135
            raise NotFound('worksheet_above')
 
136
 
 
137
        worksheet_below.seq_no = worksheet_below.seq_no - 1
 
138
        worksheet_above.seq_no = worksheet_above.seq_no + 1
 
139
        
 
140
        return {'result': 'ok'}
 
141
 
 
142
    @named_operation('edit_worksheets')
 
143
    def move_down(self, req, worksheetid):
 
144
        """Takes a list of worksheet-seq_no pairs and updates their 
 
145
        corresponding Worksheet objects to match."""
 
146
        
 
147
        worksheet_above = req.store.find(Worksheet,
 
148
            Worksheet.offering_id == self.context.id,
 
149
            Worksheet.identifier == unicode(worksheetid)).one()
 
150
        if worksheet_above is None:
 
151
            raise NotFound('worksheet_below')
 
152
        worksheet_below = req.store.find(Worksheet,
 
153
            Worksheet.offering_id == self.context.id,
 
154
            Worksheet.seq_no == (worksheet_above.seq_no + 1)).one()
 
155
        if worksheet_below is None:
 
156
            raise NotFound('worksheet_above')
 
157
 
 
158
        worksheet_below.seq_no = worksheet_below.seq_no - 1
 
159
        worksheet_above.seq_no = worksheet_above.seq_no + 1
 
160
        
 
161
        return {'result': 'ok'}