279 lines
10 KiB
Python
279 lines
10 KiB
Python
# This file is part galatea_tutorial module for Tryton.
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# The COPYRIGHT file at the top level of this repository contains
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# the full copyright notices and license terms.
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from mimetypes import guess_type
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from datetime import datetime
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import os
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import hashlib
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from trytond.model import ModelSQL, ModelView, fields
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from trytond.pool import Pool
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from trytond.transaction import Transaction
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from trytond.cache import Cache
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from trytond.config import config
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from trytond.modules.galatea.tools import slugify, IMAGE_TYPES, thumbly
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__all__ = ['GalateaTutorial', 'GalateaTutorialWebSite', 'GalateaTutorialComment']
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class GalateaTutorial(ModelSQL, ModelView):
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"Galatea Tutorial"
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__name__ = 'galatea.tutorial'
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name = fields.Char('Name', required=True, translate=True)
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slug = fields.Char('slug', required=True, translate=True,
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help='Cannonical uri.')
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slug_langs = fields.Function(fields.Dict(None, 'Slug Langs'), 'get_slug_langs')
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description = fields.Text('Description', required=True, translate=True,
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help='You could write wiki markup to create html content. Formats text following '
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'the MediaWiki (http://meta.wikimedia.org/wiki/Help:Editing) syntax.')
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long_description = fields.Text('Long Description', translate=True,
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help='You could write wiki markup to create html content. Formats text following '
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'the MediaWiki (http://meta.wikimedia.org/wiki/Help:Editing) syntax.')
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metadescription = fields.Char('Meta Description', translate=True,
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help='Almost all search engines recommend it to be shorter ' \
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'than 155 characters of plain text')
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metakeywords = fields.Char('Meta Keywords', translate=True,
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help='Separated by comma')
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metatitle = fields.Char('Meta Title', translate=True)
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active = fields.Boolean('Active',
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help='Dissable to not show content tutorial.')
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visibility = fields.Selection([
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('public','Public'),
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('register','Register'),
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('manager','Manager'),
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], 'Visibility', required=True)
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tutorial_create_date = fields.DateTime('Create Date', readonly=True)
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tutorial_write_date = fields.DateTime('Write Date', readonly=True)
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user = fields.Many2One('galatea.user', 'User', required=True)
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websites = fields.Many2Many('galatea.tutorial-galatea.website',
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'tutorial', 'website', 'Websites',
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help='Tutorial will be available in those websites')
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gallery = fields.Boolean('Gallery', help='Active gallery attachments.')
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comment = fields.Boolean('Comment', help='Active comments.')
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comments = fields.One2Many('galatea.tutorial.comment', 'tutorial', 'Comments')
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total_comments = fields.Function(fields.Integer("Total Comments"),
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'get_totalcomments')
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attachments = fields.One2Many('ir.attachment', 'resource', 'Attachments')
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thumb = fields.Function(fields.Binary('Thumb', filename='thumb_filename'),
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'get_thumb', setter='set_thumb')
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thumb_filename = fields.Char('File Name',
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help='Thumbnail File Name')
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thumb_path = fields.Function(fields.Char('Thumb Path'), 'get_thumb_path')
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_slug_langs_cache = Cache('galatea_tutorial.slug_langs')
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@staticmethod
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def default_active():
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return True
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@staticmethod
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def default_visibility():
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return 'public'
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@staticmethod
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def default_websites():
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Website = Pool().get('galatea.website')
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return [p.id for p in Website.search([('registration','=',True)])]
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@staticmethod
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def default_comment():
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return True
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@classmethod
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def default_user(cls):
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Website = Pool().get('galatea.website')
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websites = Website.search([('active', '=', True)], limit=1)
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if not websites:
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return None
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website, = websites
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if website.tutorial_anonymous_user:
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return website.tutorial_anonymous_user.id
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return None
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@staticmethod
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def default_tutorial_create_date():
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return datetime.now()
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@classmethod
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def __setup__(cls):
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super(GalateaTutorial, cls).__setup__()
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cls._order.insert(0, ('tutorial_create_date', 'DESC'))
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cls._order.insert(1, ('name', 'ASC'))
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cls._error_messages.update({
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'delete_tutorials': ('You can not delete '
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'tutorials because you will get error 404 NOT Found. '
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'Dissable active field.'),
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'not_file_mime': ('Not know file mime "%(file_name)s"'),
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'not_file_mime_image': ('"%(file_name)s" file mime is not an image ' \
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'(jpg, png or gif)'),
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'image_size': ('Thumb "%(file_name)s" size is larger than "%(size)s"Kb'),
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})
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@fields.depends('name', 'slug')
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def on_change_name(self):
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if self.name and not self.slug:
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self.slug = slugify(self.name)
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@classmethod
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def write(cls, *args):
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now = datetime.now()
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actions = iter(args)
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args = []
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for photos, values in zip(actions, actions):
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values = values.copy()
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values['tutorial_write_date'] = now
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args.extend((photos, values))
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return super(GalateaTutorial, cls).write(*args)
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@classmethod
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def copy(cls, tutorials, default=None):
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new_tutorials = []
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for tutorial in tutorials:
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default['slug'] = '%s-copy' % tutorial.slug
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new_tutorial, = super(GalateaTutorial, cls).copy([tutorial], default=default)
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tutorials.append(new_tutorial)
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return new_tutorials
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@classmethod
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def delete(cls, tutorials):
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cls.raise_user_error('delete_tutorials')
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def get_slug_langs(self, name):
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'Return dict slugs for each active languages'
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pool = Pool()
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Lang = pool.get('ir.lang')
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Tutorial = pool.get('galatea.tutorial')
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tutorial_id = self.id
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langs = Lang.search([
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('active', '=', True),
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('translatable', '=', True),
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])
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slugs = {}
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for lang in langs:
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with Transaction().set_context(language=lang.code):
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tutorial, = Tutorial.read([tutorial_id], ['slug'])
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slugs[lang.code] = tutorial['slug']
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return slugs
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def get_totalcomments(self, name):
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return len(self.comments)
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def get_thumb(self, name):
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db_name = Transaction().database.name
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filename = self.thumb_filename
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if not filename:
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return None
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filename = os.path.join(config.get('database', 'path'), db_name,
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'galatea', 'tutorial', filename[0:2], filename[2:4], filename)
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value = None
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try:
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with open(filename, 'rb') as file_p:
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value = fields.Binary.cast(file_p.read())
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except IOError:
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pass
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return value
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def get_thumb_path(self, name):
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filename = self.thumb_filename
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if not filename:
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return None
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return '%s/%s/%s' % (filename[:2], filename[2:4], filename)
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@classmethod
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def set_thumb(cls, tutorials, name, value):
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if value is None:
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return
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Config = Pool().get('galatea.configuration')
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galatea_config = Config(1)
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size = galatea_config.tutorial_thumb_size or 300
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crop = galatea_config.tutorial_thumb_crop
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db_name = Transaction().database.name
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galatea_dir = os.path.join(
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config.get('database', 'path'), db_name, 'galatea', 'tutorial')
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for tutorial in tutorials:
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file_name = tutorial['thumb_filename']
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file_mime, _ = guess_type(file_name)
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if not file_mime:
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cls.raise_user_error('not_file_mime', {
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'file_name': file_name,
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})
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if file_mime not in IMAGE_TYPES:
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cls.raise_user_error('not_file_mime_image', {
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'file_name': file_name,
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})
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_, ext = file_mime.split('/')
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digest = '%s.%s' % (hashlib.md5(value).hexdigest(), ext)
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subdir1 = digest[0:2]
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subdir2 = digest[2:4]
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directory = os.path.join(galatea_dir, subdir1, subdir2)
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filename = os.path.join(directory, digest)
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thumb = thumbly(directory, filename, value, size, crop)
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if not thumb:
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cls.raise_user_error('not_file_mime_image', {
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'file_name': file_name,
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})
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cls.write([tutorial], {
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'thumb_filename': digest,
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})
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class GalateaTutorialWebSite(ModelSQL):
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'Galatea Tutorial - Website'
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__name__ = 'galatea.tutorial-galatea.website'
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_table = 'galatea_tutorial_galatea_website'
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tutorial = fields.Many2One('galatea.tutorial', 'Tutorial', ondelete='CASCADE',
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select=True, required=True)
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website = fields.Many2One('galatea.website', 'Website', ondelete='RESTRICT',
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select=True, required=True)
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class GalateaTutorialComment(ModelSQL, ModelView):
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"Galatea Tutorial Comment"
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__name__ = 'galatea.tutorial.comment'
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tutorial = fields.Many2One('galatea.tutorial', 'Tutorial', required=True)
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user = fields.Many2One('galatea.user', 'User', required=True)
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description = fields.Text('Description', required=True,
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help='You could write wiki markup to create html content. Formats text following '
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'the MediaWiki (http://meta.wikimedia.org/wiki/Help:Editing) syntax.')
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active = fields.Boolean('Active',
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help='Dissable to not show content tutorial.')
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comment_create_date = fields.DateTime('Create Date', readonly=True)
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@classmethod
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def __setup__(cls):
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super(GalateaTutorialComment, cls).__setup__()
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cls._order.insert(0, ('create_date', 'DESC'))
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cls._order.insert(1, ('id', 'DESC'))
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@staticmethod
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def default_active():
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return True
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@classmethod
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def default_user(cls):
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Website = Pool().get('galatea.website')
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websites = Website.search([('active', '=', True)], limit=1)
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if not websites:
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return None
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website, = websites
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if website.tutorial_anonymous_user:
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return website.tutorial_anonymous_user.id
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return None
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@staticmethod
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def default_comment_create_date():
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return datetime.now()
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@classmethod
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def copy(cls, comments, default=None):
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default['comment_create_date'] = datetime.now()
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return super(GalateaTutorialComment, cls).copy(comments, default=default)
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