57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
import sqlalchemy as sa
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import datetime #<- will be used to set default dates on models
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from paginate_sqlalchemy import SqlalchemyOrmPage #<- provides pagination
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from ..models.blog_record import BlogRecord
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from markdown2 import Markdown
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class BlogRecordService(object):
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@classmethod
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def all(cls, request):
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query = request.dbsession.query(BlogRecord)
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return query.order_by(sa.desc(BlogRecord.created))
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@classmethod
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def by_id(cls, request, _id):
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query = request.dbsession.query(BlogRecord)
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return query.get(_id)
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@classmethod
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def get_paginator(cls, request, page=1):
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query = request.dbsession.query(BlogRecord)
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query = query.order_by(sa.desc(BlogRecord.created))
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query_params = request.GET.mixed()
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def url_maker(link_page):
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# replace page param with values generated by paginator
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query_params['page'] = link_page
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return request.current_route_url(_query=query_params)
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return SqlalchemyOrmPage(query, page, items_per_page=5,
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url_maker=url_maker)
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@classmethod
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def proc_after_create(cls, request, _id):
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entry = request.dbsession.query(BlogRecord).get(_id)
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# set default values
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if entry.tag == '':
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entry.tag = 'pyramid'
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if entry.topic == '':
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entry.topic = 'blog'
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# convertir mardown en HTML
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markdowner = Markdown()
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entry.body_html = markdowner.convert(entry.body)
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return
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@classmethod
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def proc_after_update(cls, request, _id):
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entry = request.dbsession.query(BlogRecord).get(_id)
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entry.edited = datetime.datetime.now()
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# convertir mardown en HTML
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markdowner = Markdown()
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entry.body_html = markdowner.convert(entry.body)
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return
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