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Very basic MongoEngine pagination
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| from math import ceil | |
| class Pagination: | |
| def __init__(self, items, page, per_page, total_items): | |
| self.items = items | |
| self.page = page | |
| self.total_items = total_items | |
| self.per_page = per_page | |
| self.num_pages = int(ceil(total_items / float(per_page))) | |
| @property | |
| def has_next(self): | |
| return self.page < self.num_pages | |
| @property | |
| def has_prev(self): | |
| return self.page > 1 | |
| @property | |
| def next_page(self): | |
| return self.page + 1 | |
| @property | |
| def prev_page(self): | |
| return self.page - 1 | |
| def paginate(queryset, page=1, per_page=30): | |
| skip = (page-1)*per_page | |
| limit = per_page | |
| return Pagination(queryset.limit(limit).skip(skip), page=page, per_page=per_page, | |
| total_items=queryset.count()) |
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| {# Jinja2 macro #} | |
| {% macro paginate(pagination, destination, small=False) %} | |
| {% if pagination.num_pages > 1 %} | |
| <ul class="pagination {% if small %}pagination-sm{% endif %}" id="pagination"> | |
| <li {% if not pagination.has_prev %}class="disabled"{% endif %}> | |
| <a href="{{ url_for(destination) }}?page={{ pagination.prev_page }}">«</a> | |
| </li> | |
| {% for i in range(1, pagination.num_pages) %} | |
| <li {% if products.page == i %}class="active"{% endif %}> | |
| <a href="{{ url_for(destination) }}?page={{ i }}">{{ i }}</a> | |
| </li> | |
| {% endfor %} | |
| <li {% if not pagination.has_next %}class="disabled"{% endif %}> | |
| <a href="{{ url_for(destination) }}?page={{ pagination.next_page }}">»</a> | |
| </li> | |
| </ul> | |
| {% endif %} | |
| {% endmacro %} |
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Thanks for this. I was struggling to figure out how to do this. Also works with Flask-PyMongo...