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102 lines
3.7 KiB
102 lines
3.7 KiB
import logging
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import re
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from datetime import datetime
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import portal.base
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from portal.base import UploadHandler
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from portal.model import UploadSolar
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VALID_PROGRAMS = {'OS', 'SSG', 'MGP', 'ZG', 'NPI', 'SPI', 'SSI', 'PTI'}
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VALID_SUBJECTS = {'slo', 'drug-jez', 'drug-druz', 'drug-narav', 'drug-strok', 'drug-izb'}
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VALID_TEXT_TYPES = {'esej-spis', 'prakticno', 'solski-test', 'delo-v-razredu'}
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VALID_GRAMMAR_CORRECTIONS = {'popr-ne', 'brez-popr', 'popr-da'}
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MAXLEN_FORM = 150
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class UploadHandlerSolar(UploadHandler):
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@staticmethod
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def store_metadata(upload_metadata, user_id):
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timestamp = datetime.fromtimestamp(upload_metadata['timestamp'])
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form_data = upload_metadata['form_data']
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file_hashes = upload_metadata['file_hashes_dict']
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sorted_f_hashes = list(file_hashes.values())
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sorted_f_hashes.sort()
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institution_id = UploadHandler.get_user_institution(user_id)
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try:
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model_obj = UploadSolar(
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upload_user = user_id,
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institution = institution_id,
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upload_hash=upload_metadata['upload_id'],
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timestamp=timestamp,
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program=form_data['program'],
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subject=form_data['predmet'],
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subject_custom=form_data['predmet-custom'],
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grade=form_data['letnik'],
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text_type=form_data['vrsta'],
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text_type_custom=form_data['vrsta-custom'],
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school_year=form_data['solsko-leto'],
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grammar_corrections=form_data['jezikovni-popravki'],
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upload_file_hashes=sorted_f_hashes
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)
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db.session.add(model_obj)
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db.session.commit()
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except Exception:
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traceback.print_exc()
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def handle_upload(self, request, user_id):
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err = portal.base.check_upload_request(request, self)
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if err:
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return err, 400
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err = self.check_form(request.form)
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if err:
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return err, 400
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# Parse request.
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upload_metadata = self.extract_upload_metadata('solar', request)
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logging.info('Upload from user "{}" with upload id "{}" supplied form data: {}'.format(
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user_id,
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upload_metadata['upload_id'],
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str(upload_metadata['form_data']
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)))
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# Store uploaded files to disk.
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self.store_datafiles(request.files, upload_metadata)
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# Store to database.
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self.store_metadata(upload_metadata, user_id)
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return 'Uspešno ste oddali datotek(e). Št. datotek: {}'.format(len(request.files))
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@staticmethod
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def check_form(form):
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program = form['program']
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predmet = form['predmet']
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letnik = int(form['letnik'])
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vrsta = form['vrsta']
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solsko_leto = form['solsko-leto']
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jezikovni_popravki = form['jezikovni-popravki']
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if program not in VALID_PROGRAMS:
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return 'Invalid program "{}"'.format(program)
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if predmet not in VALID_SUBJECTS:
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return 'Invalid subject "{}"'.format(premdet)
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if letnik < 1 or letnik > 9:
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return 'Invalid grade: {}'.format(letnik)
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if vrsta not in VALID_TEXT_TYPES:
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return 'Invalid text type "{}"'.format(vrsta)
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if not re.match('^\d{0,2}-\d{0,2}$', solsko_leto):
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return 'Invalid school year "{}"'.format(solsko_leto)
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if jezikovni_popravki not in VALID_GRAMMAR_CORRECTIONS:
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return 'Invalid text type "{}"'.format(jezikovni_popravki)
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for key, val in form.items():
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if len(val) > MAXLEN_FORM:
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return 'Value in form field "{}" exceeds max len of {}'.format(key, MAXLEN_FORM)
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