Initial commit

views.py

@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+"""This small application will search sentences in the database. Database has been filled previously with data from the Tatoeba project."""
+from __future__ import unicode_literals
+from django.shortcuts import render
+from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
+from .models import phrase
+from .forms import SearchForm
+
+# Language dictionary. Keys should be language codes (ISO 639-3) (eng for english, spa for  spanish, rus for russian and so on)
+# value should be the language as will be used to generate text to speech responses in the response.js library
+# (English, Russian, Spanish Latin American, etc).
+# Obviously, there should be phrases already loaded in the database for all of the following languages.
+languages = dict(eng="English", rus="Russian", spa="Spanish Latin American")
+
+def index(request):
+    """ 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."""
+    will_search = False
+    search_term = request.GET.get("search_term")
+    language = request.GET.get("language")
+    if search_term != None:
+        will_search = True
+    # prefill the form with search_term and language just in case these values are different than None.
+    # It is useful so users will see the same data in their form even when the page has been reloaded due to a submit.
+    # if these values are None, the form will be blank.
+    search_form = SearchForm(initial=dict(search_term=search_term, language=language))
+    if will_search == True:
+        # ToDo: perhaps should I look to implement an "exact" search expresion for search_term here?
+        posts = phrase.objects.filter(phrase__contains=search_term, language__exact=language)
+        paginator = Paginator(posts, 100)
+        # get page number from request args. If there is no page argument, then set page to 1.
+        page = request.GET.get('page')
+        if page == None: page = 1
+        posts = paginator.page(page)
+        # Add extra arguments (search_term and language) so other links will be loaded correctly in the paginator.
+        extra_params = ""
+        if search_term != None:
+            extra_params = "&search_term={0}&language={1}".format(search_term, language)
+    if will_search:
+        return render(request, 'sentence_finder/index.html', dict(posts=posts, search_form=search_form, extra_params=extra_params, lang=languages.get(language)))
+    else:
+        return render(request, 'sentence_finder/index.html', dict(total=phrase.objects.count(), search_form=search_form))