def pictures_by_year():
"""
view photos by year
"""
pictures = Picture.objects().order_by('-shot_time')
year = 0
years = []
pictures_by_year = defaultdict(list)
for picture in pictures:
year = picture.shot_time.year
if year not in years:
years.append(year)
pictures_by_year[year].append(picture)
return render_template('main/pictures_by_year.html',
pictures_by_year=pictures_by_year,
years=years)
def pictures_by_tag(tag):
"""
view photos by tag
"""
pictures = Picture.objects(tags=tag).order_by('-shot_time')
tag_dict = {
'mountain': '高山',
'water': '流水',
'things': '万物',
'people': '人间',
'me': '我',
}
return render_template('main/pictures_by_tag.html',
pictures=pictures,
tag=tag,
tag_dict=tag_dict)
def index():
"""
main page of the blog:
it shows 5pages carousel
10 photos ordered by shot time per page
"""
pictures = Picture.objects().order_by('-shot_time')
l = len(pictures)
if l > 5:
carousel_pictures = random.sample(list(pictures), 5)
else:
carousel_pictures = random.sample(list(pictures), l)
page = request.args.get('page', 1, type=int)
paginated_pictures = pictures.paginate(
page=page, per_page=current_app.config['PIC_PER_PAGE'])
current_page = paginated_pictures.page
total_page = paginated_pictures.pages
page_start = 1
page_end = 5
if total_page < 5:
page_end = total_page
else:
page_start = current_page - 2
page_end = current_page + 2
if page_start < 1:
page_start = 1
page_end = 5
if page_end > total_page:
page_start = total_page - 4
page_end = total_page
url_list = []
for p in range(1, total_page + 1): # so page number start from 1
url = url_for('main.index', page=p)
url_list.append(url)
return render_template('main/index.html',
pictures=paginated_pictures.items,
carousel_pictures=carousel_pictures,
current_page=current_page,
total_page=total_page,
page_start=page_start,
page_end=page_end,
url_list=url_list)
