Назар Котюк
11 years ago
parent
09e78a6d38
commit
a5c19b3549
21 changed files with 526 additions and 256 deletions
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import datetime |
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from django.utils import translation |
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from django.core.cache import cache |
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from django.utils.translation import get_language as lang |
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from hvad.models import TranslationManager |
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class CountryManager(TranslationManager): |
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cache_time = 600 |
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def all(self): |
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""" |
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hack |
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""" |
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return super(TranslationManager, self).all().filter(translations__language_code=lang()).order_by('translations__name') |
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def safe_get(self, **kwargs): |
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model = self.model |
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try: |
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return model.objects.get(**kwargs) |
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except: |
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return None |
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def expo_countries(self): |
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lang = translation.get_language() |
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key = 'used_expo_countries_%s'%lang |
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cached_countries = cache.get(key) |
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if cached_countries: |
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return cached_countries |
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else: |
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from exposition.models import Exposition |
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countries_id = [item['country_id'] for item in Exposition.objects.values('country_id').distinct()] |
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countries = list(self.language().filter(id__in=countries_id)) |
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cache.set(key, countries, self.cache_time) |
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return countries |
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def expo_countries_with_count(self): |
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lang = translation.get_language() |
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key = 'used_expo_countries_count_%s'%lang |
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cached_countries = cache.get(key) |
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if cached_countries: |
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return cached_countries |
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else: |
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from exposition.models import Exposition |
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sql = {'expo_count': |
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"""SELECT COUNT(*) |
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FROM exposition_exposition |
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WHERE exposition_exposition.country_id = country_country.id |
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AND exposition_exposition.data_end >= CURDATE() |
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AND exposition_exposition.is_published = 1"""} |
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now = datetime.datetime.now().date() |
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# id of unique countries |
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countries_id = [item['country_id'] for item in Exposition.objects.filter(is_published=True, data_end__gte=now).values('country_id').distinct()] |
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countries = set(list(self.language().filter(id__in=countries_id).extra(select=sql))) |
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countries = sorted(countries, key=lambda x: x.name) |
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cache.set(key, countries, self.cache_time) |
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return countries |
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def conference_countries_with_count(self): |
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lang = translation.get_language() |
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key = 'used_conference_countries_count_%s'%lang |
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cached_countries = cache.get(key) |
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if cached_countries: |
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return cached_countries |
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else: |
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from conference.models import Conference |
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sql = {'conference_count': |
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"""SELECT COUNT(*) |
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FROM conference_conference |
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WHERE conference_conference.country_id = country_country.id |
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AND conference_conference.data_end >= CURDATE() |
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AND conference_conference.is_published = 1"""} |
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now = datetime.datetime.now().date() |
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# id of unique countries |
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countries_id = [item['country_id'] for item in Conference.objects.filter(is_published=True, data_end__gte=now).values('country_id').distinct()] |
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countries = set(list(self.language().filter(id__in=countries_id).extra(select=sql))) |
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countries = sorted(countries, key=lambda x: x.name) |
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cache.set(key, countries, self.cache_time) |
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return countries |
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def conference_countries(self): |
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lang = translation.get_language() |
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key = 'used_conference_countries_%s'%lang |
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cached_countries = cache.get(key) |
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if cached_countries: |
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return cached_countries |
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else: |
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from conference.models import Conference |
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countries_id = [item['country_id'] for item in Conference.objects.values('country_id').distinct()] |
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countries = list(self.language().filter(id__in=countries_id)) |
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cache.set(key, countries, self.cache_time) |
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return countries |
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class AreaManager(TranslationManager): |
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def all_sorted(self): |
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""" |
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return list, not queryset |
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""" |
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model = self.model |
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result = list(model.objects.filter()) |
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result.sort(key=lambda x: len(x.expos()), reverse=True) |
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return result |
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@ -0,0 +1,106 @@ |
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import datetime |
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from django.utils import translation |
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from django.core.cache import cache |
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from hvad.models import TranslationManager |
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class ThemeActiveManager(TranslationManager): |
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""" |
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manager works only with active themes |
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models where theme defines activity: |
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- exposition |
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""" |
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cache_time = 600 |
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def all(self): |
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lang = translation.get_language() |
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qs = super(ThemeActiveManager, self).select_related('exposition_themes').\ |
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filter(exposition_themes__theme__isnull=False, translations__language_code=lang, )\ |
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.order_by('translations__name').distinct() |
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return qs |
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def expo_main_page(self): |
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Model = self.model |
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return list(self.language().filter(types=Model.types.exposition)[:6]) |
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def conference_main_page(self): |
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Model = self.model |
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return list(self.language().filter(types=Model.types.conference)[:6]) |
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def expo_themes(self): |
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lang = translation.get_language() |
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key = 'used_expo_themes_%s'%lang |
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cached_themes = cache.get(key) |
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if cached_themes: |
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return cached_themes |
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else: |
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from exposition.models import Exposition |
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themes_id = [item['theme_id'] for item in Exposition.objects.values('theme').distinct()] |
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themes = list(self.language().filter(id__in=themes_id)) |
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cache.set(key, themes, 300) |
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return themes |
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""" |
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def expo_themes_with_count(self): |
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lang = translation.get_language() |
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key = 'used_expo_themes_count_%s'%lang |
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cached_themes = cache.get(key) |
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if cached_themes: |
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return cached_themes |
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else: |
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from exposition.models import Exposition |
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sql = {'expo_count': 'SELECT COUNT(*) FROM exposition_exposition_theme WHERE exposition_exposition_theme.theme_id = theme_theme.id'} |
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# id of unique cities |
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themes_id = [item['theme'] for item in Exposition.objects.values('theme').distinct()] |
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themes = list(self.language().filter(id__in=themes_id).extra(select=sql)) |
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cache.set(key, themes, 300) |
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return themes |
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""" |
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def expo_themes_with_count(self): |
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lang = translation.get_language() |
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key = 'used_expo_themes_count_%s'%lang |
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cached_themes = cache.get(key) |
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if cached_themes: |
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return cached_themes |
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else: |
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from exposition.models import Exposition |
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now = datetime.datetime.now().date() |
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# id of unique cities |
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themes_id = [item['theme'] for item in Exposition.objects.filter(is_published=True, data_end__gte=now).values('theme').distinct()] |
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#themes = set(list(self.language().filter(id__in=themes_id).extra(select=sql))) |
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themes = set(list(self.language().filter(id__in=themes_id))) |
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themes = sorted(themes, key=lambda x: x.name) |
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cache.set(key, themes, self.cache_time) |
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return themes |
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def conference_themes_with_count(self): |
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lang = translation.get_language() |
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key = 'used_conference_themes_count_%s'%lang |
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cached_themes = cache.get(key) |
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if cached_themes: |
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return cached_themes |
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else: |
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from conference.models import Conference |
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now = datetime.datetime.now().date() |
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# id of unique cities |
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themes_id = [item['theme'] for item in Conference.objects.filter(is_published=True, data_end__gte=now).values('theme').distinct()] |
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#themes = set(list(self.language().filter(id__in=themes_id).extra(select=sql))) |
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themes = set(list(self.language().filter(id__in=themes_id))) |
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themes = sorted(themes, key=lambda x: x.name) |
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cache.set(key, themes, self.cache_time) |
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return themes |
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class TagActiveManager(TranslationManager): |
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""" |
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manager works only with active themes |
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models where theme defines activity: |
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- exposition |
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""" |
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def all(self): |
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lang = translation.get_language() |
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qs = super(TagActiveManager, self).select_related('exposition_tags').\ |
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filter(exposition_tags__tag__isnull=False, translations__language_code=lang, )\ |
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.order_by('translations__name').distinct() |
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return qs |
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