[people/shoehn/ipfire.org.git] / webapp / backend / planet.py

#!/usr/bin/python

import datetime
import re
import textile
import unicodedata

from misc import Object

class PlanetEntry(Object):
	def __init__(self, backend, data):
		Object.__init__(self, backend)

		self.data = data

	@property
	def id(self):
		return self.data.id

	@property
	def slug(self):
		return self.data.slug

	def set_title(self, title):
		if self.title == title:
			return

		self.db.execute("UPDATE planet SET title = %s WHERE id = %s", title, self.id)
		self.data["title"] = title

	title = property(lambda s: s.data.title, set_title)

	@property
	def url(self):
		return "http://planet.ipfire.org/post/%s" % self.slug

	def set_published(self, published):
		if self.published == published:
			return

		self.db.execute("UPDATE planet SET published = %s WHERE id = %s",
			published, self.id)
		self.data["published"] = published

	published = property(lambda s: s.data.published, set_published)

	@property
	def year(self):
		return self.published.year

	@property
	def month(self):
		return self.published.month

	@property
	def updated(self):
		return self.data.updated

	def get_markdown(self):
		return self.data.markdown

	def set_markdown(self, markdown):
		if self.markdown == markdown:
			return

		markup = self.render(markdown)
		self.db.execute("UPDATE planet SET markdown = %s, markup = %s WHERE id = %s",
			markdown, markup, self.id)

		self.data.update({
			"markdown" : markdown,
			"markup"   : markup,
		})

	markdown = property(get_markdown, set_markdown)

	@property
	def markup(self):
		if self.data.markup:
			return self.data.markup

		return self.render(self.markdown)

	@property
	def abstract(self):
		return self.render(self.markdown, 400)

	def render(self, text, limit=0):
		return self.planet.render(text, limit)

	@property
	def text(self):
		# Compat for markup
		return self.markup

	@property
	def author(self):
		if not hasattr(self, "_author"):
			self._author = self.accounts.get_by_uid(self.data.author_id)

		return self._author

	def set_status(self, status):
		if self.status == status:
			return

		self.db.execute("UPDATE planet SET status = %s WHERE id = %s", status, self.id)
		self.data["status"] = status

	status = property(lambda s: s.data.status, set_status)

	def is_draft(self):
		return self.status == "draft"

	def is_published(self):
		return self.status == "published"


class Planet(Object):
	def get_authors(self):
		query = self.db.query("SELECT DISTINCT author_id FROM planet WHERE status = %s \
			AND published IS NOT NULL AND published <= NOW()", "published")

		authors = []
		for author in query:
			author = self.accounts.search(author.author_id)
			if author:
				authors.append(author)

		return sorted(authors)

	def get_years(self):
		res = self.db.query("SELECT DISTINCT EXTRACT(YEAR FROM published)::integer AS year \
			FROM planet WHERE status = %s ORDER BY year DESC", "published")

		return [row.year for row in res]

	def get_entry_by_slug(self, slug):
		entry = self.db.get("SELECT * FROM planet WHERE slug = %s", slug)

		if entry:
			return PlanetEntry(self.backend, entry)

	def get_entry_by_id(self, id):
		entry = self.db.get("SELECT * FROM planet WHERE id = %s", id)

		if entry:
			return PlanetEntry(self.backend, entry)

	def get_entries(self, limit=3, offset=None, status="published", author_id=None):
		query = "SELECT * FROM planet"
		args, clauses = [], []

		if status:
			clauses.append("status = %s")
			args.append(status)

			if status == "published":
				clauses.append("published <= NOW()")

		if author_id:
			clauses.append("author_id = %s")
			args.append(author_id)

		if clauses:
			query += " WHERE %s" % " AND ".join(clauses)

		query += " ORDER BY published DESC"

		# Respect limit and offset
		if limit:
			query += " LIMIT %s"
			args.append(limit)

			if offset:
				query += " OFFSET %s"
				args.append(offset)

		entries = []
		for entry in self.db.query(query, *args):
			entry = PlanetEntry(self.backend, entry)
			entries.append(entry)

		return entries

	def get_entries_by_author(self, author_id, limit=None, offset=None):
		return self.get_entries(limit=limit, offset=offset, author_id=author_id)

	def get_entries_by_year(self, year):
		entries = self.db.query("SELECT * FROM planet \
			WHERE status = %s AND EXTRACT(YEAR FROM published) = %s \
			ORDER BY published DESC", "published", year)

		return [PlanetEntry(self.backend, e) for e in entries]

	def render(self, text, limit=0):
		if limit and len(text) >= limit:
			text = text[:limit] + "..."

		return textile.textile(text)

	def _generate_slug(self, title):
		slug = unicodedata.normalize("NFKD", title).encode("ascii", "ignore")
		slug = re.sub(r"[^\w]+", " ", slug)
		slug = "-".join(slug.lower().strip().split())

		if not slug:
			slug = "entry"

		while True:
			e = self.db.get("SELECT * FROM planet WHERE slug = %s", slug)
			if not e:
				break
			slug += "-"

		return slug

	def create(self, title, markdown, author, status="published", published=None):
		slug = self._generate_slug(title)
		markup = self.render(markdown)

		if published is None:
			published = datetime.datetime.utcnow()

		id = self.db.execute("INSERT INTO planet(author_id, slug, title, status, \
			markdown, markup, published) VALUES(%s, %s, %s, %s, %s, %s, %s) RETURNING id",
			author.uid, slug, title, status, markdown, markup, published)

		if id:
			return self.get_entry_by_id(id)

	def update_entry(self, entry):
		self.db.execute("UPDATE planet SET title = %s, markdown = %s WHERE id = %s",
			entry.title, entry.markdown, entry.id)

	def save_entry(self, entry):
		slug = self._generate_slug(entry.title)

		id = self.db.execute("INSERT INTO planet(author_id, title, slug, markdown, published) \
			VALUES(%s, %s, %s, %s, NOW())", entry.author.uid, entry.title, slug, entry.markdown)

		return id

	def search(self, what):
		res = self.db.query("WITH \
			q      AS (SELECT plainto_tsquery(%s, %s) AS query), \
			ranked AS (SELECT id, query, ts_rank_cd(to_tsvector(%s, markdown), query) AS rank \
				FROM planet, q WHERE markdown @@ query ORDER BY rank DESC) \
			SELECT *, ts_headline(markup, ranked.query, 'MinWords=100, MaxWords=110') AS markup FROM planet \
				JOIN ranked ON planet.id = ranked.id \
				WHERE status = %s AND published IS NOT NULL AND published <= NOW() \
				ORDER BY ranked DESC LIMIT 10",
			"english", what, "english", "published")

		return [PlanetEntry(self.backend, e) for e in res]
Commit	Line	Data
940227cb MT	1	#!/usr/bin/python
940227cb MT	2
67ab72b8	3	import datetime
27066195	4	import re
940227cb	5	import textile
27066195	6	import unicodedata
940227cb	7
a6dc0bad	8	from misc import Object
940227cb	9
a6dc0bad MT	10	class PlanetEntry(Object):
	11	def __init__(self, backend, data):
	12	Object.__init__(self, backend)
8876f3df	13
a6dc0bad	14	self.data = data
940227cb MT	15
	16	@property
	17	def id(self):
a6dc0bad	18	return self.data.id
940227cb MT	19
	20	@property
	21	def slug(self):
a6dc0bad	22	return self.data.slug
940227cb	23
67ab72b8 MT	24	def set_title(self, title):
	25	if self.title == title:
	26	return
	27
	28	self.db.execute("UPDATE planet SET title = %s WHERE id = %s", title, self.id)
	29	self.data["title"] = title
	30
	31	title = property(lambda s: s.data.title, set_title)
a6dc0bad MT	32
	33	@property
	34	def url(self):
	35	return "http://planet.ipfire.org/post/%s" % self.slug
940227cb	36
67ab72b8 MT	37	def set_published(self, published):
	38	if self.published == published:
	39	return
	40
	41	self.db.execute("UPDATE planet SET published = %s WHERE id = %s",
	42	published, self.id)
	43	self.data["published"] = published
	44
	45	published = property(lambda s: s.data.published, set_published)
940227cb	46
cc3b928d MT	47	@property
	48	def year(self):
	49	return self.published.year
	50
	51	@property
	52	def month(self):
	53	return self.published.month
	54
940227cb MT	55	@property
940227cb MT	56	def updated(self):
a6dc0bad	57	return self.data.updated
940227cb	58
67ab72b8	59	def get_markdown(self):
a6dc0bad MT	60	return self.data.markdown
a6dc0bad MT	61
67ab72b8 MT	62	def set_markdown(self, markdown):
	63	if self.markdown == markdown:
	64	return
	65
	66	markup = self.render(markdown)
	67	self.db.execute("UPDATE planet SET markdown = %s, markup = %s WHERE id = %s",
	68	markdown, markup, self.id)
	69
	70	self.data.update({
	71	"markdown" : markdown,
	72	"markup" : markup,
	73	})
	74
	75	markdown = property(get_markdown, set_markdown)
	76
a6dc0bad MT	77	@property
	78	def markup(self):
	79	if self.data.markup:
	80	return self.data.markup
	81
	82	return self.render(self.markdown)
940227cb MT	83
	84	@property
	85	def abstract(self):
	86	return self.render(self.markdown, 400)
	87
	88	def render(self, text, limit=0):
27066195	89	return self.planet.render(text, limit)
940227cb MT	90
	91	@property
	92	def text(self):
a6dc0bad MT	93	# Compat for markup
a6dc0bad MT	94	return self.markup
940227cb MT	95
	96	@property
	97	def author(self):
66862195 MT	98	if not hasattr(self, "_author"):
66862195 MT	99	self._author = self.accounts.get_by_uid(self.data.author_id)
a6dc0bad	100
66862195	101	return self._author
940227cb	102
67ab72b8 MT	103	def set_status(self, status):
	104	if self.status == status:
	105	return
	106
	107	self.db.execute("UPDATE planet SET status = %s WHERE id = %s", status, self.id)
	108	self.data["status"] = status
	109
	110	status = property(lambda s: s.data.status, set_status)
	111
	112	def is_draft(self):
	113	return self.status == "draft"
	114
	115	def is_published(self):
	116	return self.status == "published"
	117
940227cb	118
a6dc0bad	119	class Planet(Object):
940227cb	120	def get_authors(self):
9068dba1 MT	121	query = self.db.query("SELECT DISTINCT author_id FROM planet WHERE status = %s \
	122	AND published IS NOT NULL AND published <= NOW()", "published")
	123
940227cb	124	authors = []
9068dba1	125	for author in query:
a6dc0bad	126	author = self.accounts.search(author.author_id)
940227cb MT	127	if author:
	128	authors.append(author)
	129
27066195	130	return sorted(authors)
940227cb	131
cc3b928d	132	def get_years(self):
9068dba1	133	res = self.db.query("SELECT DISTINCT EXTRACT(YEAR FROM published)::integer AS year \
a6dc0bad	134	FROM planet WHERE status = %s ORDER BY year DESC", "published")
cc3b928d MT	135
	136	return [row.year for row in res]
	137
940227cb MT	138	def get_entry_by_slug(self, slug):
940227cb MT	139	entry = self.db.get("SELECT * FROM planet WHERE slug = %s", slug)
9068dba1	140
940227cb	141	if entry:
a6dc0bad	142	return PlanetEntry(self.backend, entry)
940227cb	143
27066195 MT	144	def get_entry_by_id(self, id):
27066195 MT	145	entry = self.db.get("SELECT * FROM planet WHERE id = %s", id)
9068dba1	146
27066195	147	if entry:
a6dc0bad	148	return PlanetEntry(self.backend, entry)
27066195	149
a6dc0bad MT	150	def get_entries(self, limit=3, offset=None, status="published", author_id=None):
	151	query = "SELECT * FROM planet"
	152	args, clauses = [], []
940227cb	153
a6dc0bad MT	154	if status:
	155	clauses.append("status = %s")
	156	args.append(status)
940227cb	157
8570acc8 MT	158	if status == "published":
	159	clauses.append("published <= NOW()")
	160
a6dc0bad MT	161	if author_id:
	162	clauses.append("author_id = %s")
	163	args.append(author_id)
940227cb	164
a6dc0bad MT	165	if clauses:
a6dc0bad MT	166	query += " WHERE %s" % " AND ".join(clauses)
940227cb	167
a6dc0bad MT	168	query += " ORDER BY published DESC"
	169
	170	# Respect limit and offset
	171	if limit:
9068dba1 MT	172	query += " LIMIT %s"
	173	args.append(limit)
	174
a6dc0bad	175	if offset:
9068dba1 MT	176	query += " OFFSET %s"
9068dba1 MT	177	args.append(offset)
940227cb	178
a6dc0bad MT	179	entries = []
	180	for entry in self.db.query(query, *args):
	181	entry = PlanetEntry(self.backend, entry)
	182	entries.append(entry)
940227cb	183
a6dc0bad	184	return entries
940227cb	185
a6dc0bad MT	186	def get_entries_by_author(self, author_id, limit=None, offset=None):
a6dc0bad MT	187	return self.get_entries(limit=limit, offset=offset, author_id=author_id)
27066195	188
cc3b928d MT	189	def get_entries_by_year(self, year):
cc3b928d MT	190	entries = self.db.query("SELECT * FROM planet \
9068dba1 MT	191	WHERE status = %s AND EXTRACT(YEAR FROM published) = %s \
9068dba1 MT	192	ORDER BY published DESC", "published", year)
cc3b928d	193
a6dc0bad	194	return [PlanetEntry(self.backend, e) for e in entries]
cc3b928d	195
27066195 MT	196	def render(self, text, limit=0):
	197	if limit and len(text) >= limit:
	198	text = text[:limit] + "..."
a6dc0bad	199
27066195 MT	200	return textile.textile(text)
	201
	202	def _generate_slug(self, title):
	203	slug = unicodedata.normalize("NFKD", title).encode("ascii", "ignore")
	204	slug = re.sub(r"[^\w]+", " ", slug)
	205	slug = "-".join(slug.lower().strip().split())
	206
	207	if not slug:
	208	slug = "entry"
	209
	210	while True:
	211	e = self.db.get("SELECT * FROM planet WHERE slug = %s", slug)
	212	if not e:
	213	break
	214	slug += "-"
	215
	216	return slug
	217
3066ac8d	218	def create(self, title, markdown, author, status="published", published=None):
67ab72b8 MT	219	slug = self._generate_slug(title)
	220	markup = self.render(markdown)
	221
	222	if published is None:
	223	published = datetime.datetime.utcnow()
	224
	225	id = self.db.execute("INSERT INTO planet(author_id, slug, title, status, \
3066ac8d	226	markdown, markup, published) VALUES(%s, %s, %s, %s, %s, %s, %s) RETURNING id",
67ab72b8 MT	227	author.uid, slug, title, status, markdown, markup, published)
67ab72b8 MT	228
3066ac8d MT	229	if id:
3066ac8d MT	230	return self.get_entry_by_id(id)
67ab72b8	231
27066195 MT	232	def update_entry(self, entry):
	233	self.db.execute("UPDATE planet SET title = %s, markdown = %s WHERE id = %s",
	234	entry.title, entry.markdown, entry.id)
	235
	236	def save_entry(self, entry):
	237	slug = self._generate_slug(entry.title)
	238
9068dba1 MT	239	id = self.db.execute("INSERT INTO planet(author_id, title, slug, markdown, published) \
9068dba1 MT	240	VALUES(%s, %s, %s, %s, NOW())", entry.author.uid, entry.title, slug, entry.markdown)
27066195	241
00af5cf1 MT	242	return id
00af5cf1 MT	243
2bdd073f	244	def search(self, what):
fa7e1a0a MT	245	res = self.db.query("WITH \
	246	q AS (SELECT plainto_tsquery(%s, %s) AS query), \
	247	ranked AS (SELECT id, query, ts_rank_cd(to_tsvector(%s, markdown), query) AS rank \
	248	FROM planet, q WHERE markdown @@ query ORDER BY rank DESC) \
	249	SELECT *, ts_headline(markup, ranked.query, 'MinWords=100, MaxWords=110') AS markup FROM planet \
	250	JOIN ranked ON planet.id = ranked.id \
	251	WHERE status = %s AND published IS NOT NULL AND published <= NOW() \
	252	ORDER BY ranked DESC LIMIT 10",
	253	"english", what, "english", "published")
	254
	255	return [PlanetEntry(self.backend, e) for e in res]