source: main/waeup.sirp/trunk/src/waeup/sirp/university/batching.py @ 6940

Last change on this file since 6940 was 6821, checked in by Henrik Bettermann, 13 years ago

Add first version of Student Importer. This student importer imports student base data only.
File size: 7.8 KB
Line 
1"""Batch processing components for academics objects.
2
3Batch processors eat CSV files to add, update or remove large numbers
4of certain kinds of objects at once.
5
6Here we define the processors for academics specific objects like
7faculties, departments and the like.
8"""
9import grok
10from zope.interface import Interface
11from waeup.sirp.interfaces import IBatchProcessor
12from waeup.sirp.university.interfaces import (
13    IFacultyContainer, IFaculty, ICourse, IDepartment, ICertificate,
14    ICertificateCourse)
15from waeup.sirp.utils.batching import BatchProcessor
16
17class FacultyProcessor(BatchProcessor):
18    """A batch processor for IFaculty objects.
19    """
20    grok.implements(IBatchProcessor)
21    grok.provides(IBatchProcessor)
22    grok.context(Interface)
23    util_name = 'facultyimporter'
24    grok.name(util_name)
25
26    name = u'Faculty Importer'
27    iface = IFaculty
28
29    location_fields = ['code',]
30    factory_name = 'waeup.Faculty'
31
32    mode = None
33
34    def parentsExist(self, row, site):
35        return 'faculties' in site.keys()
36
37    def entryExists(self, row, site):
38        return row['code'] in site['faculties'].keys()
39
40    def getParent(self, row, site):
41        return site['faculties']
42
43    def getEntry(self, row, site):
44        if not self.entryExists(row, site):
45            return None
46        parent = self.getParent(row, site)
47        return parent.get(row['code'])
48
49    def addEntry(self, obj, row, site):
50        parent = self.getParent(row, site)
51        parent.addFaculty(obj)
52        return
53
54    def delEntry(self, row, site):
55        parent = self.getParent(row, site)
56        del parent[row['code']]
57        pass
58
59class DepartmentProcessor(BatchProcessor):
60    """A batch processor for IDepartment objects.
61    """
62    grok.implements(IBatchProcessor)
63    grok.provides(IBatchProcessor)
64    grok.context(Interface)
65    util_name = 'departmentimporter'
66    grok.name(util_name)
67
68    name = u'Department Importer'
69    iface = IDepartment
70
71    location_fields = ['code', 'faculty_code']
72    factory_name = 'waeup.Department'
73
74    mode = None
75
76    def parentsExist(self, row, site):
77        if not 'faculties' in site.keys():
78            return False
79        return row['faculty_code'] in site['faculties']
80
81    def entryExists(self, row, site):
82        if not self.parentsExist(row, site):
83            return False
84        parent = self.getParent(row, site)
85        return row['code'] in parent.keys()
86
87    def getParent(self, row, site):
88        return site['faculties'][row['faculty_code']]
89
90    def getEntry(self, row, site):
91        if not self.entryExists(row, site):
92            return None
93        parent = self.getParent(row, site)
94        return parent.get(row['code'])
95
96    def addEntry(self, obj, row, site):
97        parent = self.getParent(row, site)
98        parent.addDepartment(obj)
99        return
100
101    def delEntry(self, row, site):
102        parent = self.getParent(row, site)
103        del parent[row['code']]
104        return
105
106class CourseProcessor(BatchProcessor):
107    """A batch processor for ICourse objects.
108    """
109    grok.implements(IBatchProcessor)
110    grok.provides(IBatchProcessor)
111    grok.context(Interface)
112    util_name = 'courseimporter'
113    grok.name(util_name)
114
115    name = u'Course Importer'
116    iface = ICourse
117
118    location_fields = ['code', 'faculty_code', 'department_code']
119    factory_name = 'waeup.Course'
120
121    mode = None
122
123    def parentsExist(self, row, site):
124        if not 'faculties' in site.keys():
125            return False
126        if not row['faculty_code'] in site['faculties'].keys():
127            return False
128        faculty = site['faculties'][row['faculty_code']]
129        return row['department_code'] in faculty.keys()
130
131    def entryExists(self, row, site):
132        if not self.parentsExist(row, site):
133            return False
134        parent = self.getParent(row, site)
135        return row['code'] in parent.keys()
136
137    def getParent(self, row, site):
138        dept = site['faculties'][row['faculty_code']][row['department_code']]
139        return dept.courses
140
141    def getEntry(self, row, site):
142        if not self.entryExists(row, site):
143            return None
144        parent = self.getParent(row, site)
145        return parent.get(row['code'])
146
147    def addEntry(self, obj, row, site):
148        parent = self.getParent(row, site)
149        parent.addCourse(obj)
150        return
151
152    def delEntry(self, row, site):
153        parent = self.getParent(row, site)
154        del parent[row['code']]
155        return
156
157class CertificateProcessor(BatchProcessor):
158    """A batch processor for ICertificate objects.
159    """
160    grok.implements(IBatchProcessor)
161    grok.provides(IBatchProcessor)
162    grok.context(Interface)
163    util_name = 'certificateimporter'
164    grok.name(util_name)
165
166    name = u'Certificate Importer'
167    iface = ICertificate
168
169    location_fields = ['code', 'faculty_code', 'department_code']
170    factory_name = 'waeup.Certificate'
171
172    mode = None
173
174    def parentsExist(self, row, site):
175        if not 'faculties' in site.keys():
176            return False
177        if not row['faculty_code'] in site['faculties'].keys():
178            return False
179        faculty = site['faculties'][row['faculty_code']]
180        return row['department_code'] in faculty.keys()
181
182    def entryExists(self, row, site):
183        if not self.parentsExist(row, site):
184            return False
185        parent = self.getParent(row, site)
186        return row['code'] in parent.keys()
187
188    def getParent(self, row, site):
189        dept = site['faculties'][row['faculty_code']][row['department_code']]
190        return dept.certificates
191
192    def getEntry(self, row, site):
193        if not self.entryExists(row, site):
194            return None
195        parent = self.getParent(row, site)
196        return parent.get(row['code'])
197
198    def addEntry(self, obj, row, site):
199        parent = self.getParent(row, site)
200        parent.addCertificate(obj)
201        return
202
203    def delEntry(self, row, site):
204        parent = self.getParent(row, site)
205        del parent[row['code']]
206        return
207
208class CertificateCourseProcessor(BatchProcessor):
209    """A batch processor for ICertificateCourse objects.
210    """
211    grok.implements(IBatchProcessor)
212    grok.provides(IBatchProcessor)
213    grok.context(Interface)
214    util_name = 'certificatecourseimporter'
215    grok.name(util_name)
216
217    name = u'CertificateCourse Importer'
218    iface = ICertificateCourse
219
220    location_fields = ['course', 'level', 'faculty_code', 'department_code',
221                       'certificate_code',]
222    factory_name = 'waeup.CertificateCourse'
223
224    mode = None
225
226    def parentsExist(self, row, site):
227        if not 'faculties' in site.keys():
228            return False
229        if not row['faculty_code'] in site['faculties'].keys():
230            return False
231        faculty = site['faculties'][row['faculty_code']]
232        if not row['department_code'] in faculty.keys():
233            return False
234        dept = faculty[row['department_code']]
235        return row['certificate_code'] in dept.certificates.keys()
236
237    def entryExists(self, row, site):
238        if not self.parentsExist(row, site):
239            return False
240        parent = self.getParent(row, site)
241        code = "%s_%s" % (row['course'].code, row['level'])
242        return code in parent.keys()
243
244    def getParent(self, row, site):
245        dept = site['faculties'][row['faculty_code']][row['department_code']]
246        return dept.certificates[row['certificate_code']]
247
248    def getEntry(self, row, site):
249        if not self.entryExists(row, site):
250            return None
251        parent = self.getParent(row, site)
252        return parent.get("%s_%s" % (row['course'].code, row['level']))
253
254    def addEntry(self, obj, row, site):
255        parent = self.getParent(row, site)
256        parent.addCourseRef(row['course'],
257                            row['level'], row['core_or_elective'])
258        return
259
260    def delEntry(self, row, site):
261        parent = self.getParent(row, site)
262        parent.delCourseRef(row['course'].code, row['level'])
263        return
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