41 lines
2.6 KiB
Python
41 lines
2.6 KiB
Python
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# -*- coding: utf-8 -*-
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"""This small application will search sentences in the database. Database has been filled previously with data from the Tatoeba project."""
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from __future__ import unicode_literals
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from django.shortcuts import render
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from .models import phrase
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from .forms import SearchForm
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# Language dictionary. Keys should be language codes (ISO 639-3) (eng for english, spa for spanish, rus for russian and so on)
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# value should be the language as will be used to generate text to speech responses in the response.js library
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# (English, Russian, Spanish Latin American, etc).
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# Obviously, there should be phrases already loaded in the database for all of the following languages.
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languages = dict(eng="English", rus="Russian", spa="Spanish Latin American")
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def index(request):
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""" Index method. From this method the search of sentences is processed, though if user didn't want to search anything we will show some informative page here."""
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will_search = False
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search_term = request.GET.get("search_term")
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language = request.GET.get("language")
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if search_term != None:
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will_search = True
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# prefill the form with search_term and language just in case these values are different than None.
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# It is useful so users will see the same data in their form even when the page has been reloaded due to a submit.
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# if these values are None, the form will be blank.
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search_form = SearchForm(initial=dict(search_term=search_term, language=language))
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if will_search == True:
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# ToDo: perhaps should I look to implement an "exact" search expresion for search_term here?
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posts = phrase.objects.filter(phrase__contains=search_term, language__exact=language)
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paginator = Paginator(posts, 100)
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# get page number from request args. If there is no page argument, then set page to 1.
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page = request.GET.get('page')
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if page == None: page = 1
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posts = paginator.page(page)
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# Add extra arguments (search_term and language) so other links will be loaded correctly in the paginator.
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extra_params = ""
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if search_term != None:
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extra_params = "&search_term={0}&language={1}".format(search_term, language)
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if will_search:
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return render(request, 'sentence_finder/index.html', dict(posts=posts, search_form=search_form, extra_params=extra_params, lang=languages.get(language)))
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else:
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return render(request, 'sentence_finder/index.html', dict(total=phrase.objects.count(), search_form=search_form))
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