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