67 lines
2.3 KiB
Python
67 lines
2.3 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 sqlalchemy import or_
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from paginate_sqlalchemy import SqlalchemyOrmPage #<- provides pagination
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from ..models.blog_record import BlogRecord, Topics, Tags
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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 by_topic(cls, request, topic):
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query = request.dbsession.query(BlogRecord).join(Tags, Tags.topic == BlogRecord.topic, Tags.tag == BlogRecord.tag)
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query = query.filter(BlogRecord.topic == topic)
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query = query.order_by(BlogRecord.tag, BlogRecord.title).all()
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return query
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@classmethod
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def by_criteria(cls, request, criteria):
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search = "%{}%".format(criteria)
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query = request.dbsession.query(BlogRecord).filter(or_(BlogRecord.title.like(search),
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BlogRecord.body.like(search))).all()
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return query
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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_last_five(cls, request):
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# gest the last 5 items modified
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query = request.dbsession.query(BlogRecord)
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query = query.order_by(sa.desc(BlogRecord.edited)).limit(5).all()
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return query
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@classmethod
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def get_tags_byTopic(cls, request, topic):
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# gest the last 5 items modified
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query = request.dbsession.query(Tags).filter(Tags.topic == topic)
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query = query.order_by(Tags.tag).all()
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return query
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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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