220 lines
6.6 KiB
Python
220 lines
6.6 KiB
Python
from flask import abort, current_app
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from sqlalchemy import or_
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from sqlalchemy.orm import subqueryload
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from sqlalchemy.sql.expression import func
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from .models import db, PackageType, Package, ForumTopic, License, MinetestRelease, PackageRelease, User, Tag, ContentWarning, PackageState
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from .utils import isYes, get_int_or_abort
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class QueryBuilder:
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title = None
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types = None
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search = None
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def __init__(self, args):
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title = "Packages"
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# Get request types
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types = args.getlist("type")
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types = [PackageType.get(tname) for tname in types]
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types = [type for type in types if type is not None]
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if len(types) > 0:
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title = ", ".join([type.value + "s" for type in types])
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# Get tags types
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tags = args.getlist("tag")
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tags = [Tag.query.filter_by(name=tname).first() for tname in tags]
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tags = [tag for tag in tags if tag is not None]
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# Hide
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hide_flags = args.getlist("hide")
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self.title = title
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self.types = types
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self.tags = tags
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self.random = "random" in args
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self.lucky = "lucky" in args
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self.limit = 1 if self.lucky else None
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self.order_by = args.get("sort")
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self.order_dir = args.get("order") or "desc"
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self.hide_nonfree = "nonfree" in hide_flags
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self.hide_flags = set(hide_flags)
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self.hide_flags.discard("nonfree")
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# Filters
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self.search = args.get("q")
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self.author = args.get("author")
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protocol_version = get_int_or_abort(args.get("protocol_version"))
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minetest_version = args.get("engine_version")
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if protocol_version or minetest_version:
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self.version = MinetestRelease.get(minetest_version, protocol_version)
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else:
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self.version = None
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self.show_discarded = isYes(args.get("show_discarded"))
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self.show_added = args.get("show_added")
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if self.show_added is not None:
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self.show_added = isYes(self.show_added)
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if self.search is not None and self.search.strip() == "":
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self.search = None
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def setSortIfNone(self, name, dir="desc"):
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if self.order_by is None:
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self.order_by = name
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self.order_dir = dir
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def getReleases(self):
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releases_query = db.session.query(PackageRelease.package_id, func.max(PackageRelease.id)) \
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.select_from(PackageRelease).filter(PackageRelease.approved) \
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.group_by(PackageRelease.package_id)
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if self.version:
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releases_query = releases_query \
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.filter(or_(PackageRelease.min_rel_id == None,
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PackageRelease.min_rel_id <= self.version.id)) \
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.filter(or_(PackageRelease.max_rel_id == None,
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PackageRelease.max_rel_id >= self.version.id))
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return releases_query.all()
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def convertToDictionary(self, packages):
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releases = {}
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for [package_id, release_id] in self.getReleases():
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releases[package_id] = release_id
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def toJson(package: Package):
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release_id = releases.get(package.id)
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return package.getAsDictionaryShort(current_app.config["BASE_URL"], release_id=release_id, no_load=True)
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return [toJson(pkg) for pkg in packages]
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def buildPackageQuery(self):
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if self.order_by == "last_release":
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query = db.session.query(Package).select_from(PackageRelease).join(Package) \
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.filter_by(state=PackageState.APPROVED)
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else:
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query = Package.query.filter_by(state=PackageState.APPROVED)
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query = query.options(subqueryload(Package.main_screenshot), subqueryload(Package.aliases))
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query = self.orderPackageQuery(self.filterPackageQuery(query))
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if self.limit:
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query = query.limit(self.limit)
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return query
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def filterPackageQuery(self, query):
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if len(self.types) > 0:
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query = query.filter(Package.type.in_(self.types))
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if self.author:
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author = User.query.filter_by(username=self.author).first()
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if not author:
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abort(404)
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query = query.filter_by(author=author)
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for tag in self.tags:
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query = query.filter(Package.tags.any(Tag.id == tag.id))
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if "android_default" in self.hide_flags:
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query = query.filter(~ Package.content_warnings.any())
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else:
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for flag in self.hide_flags:
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warning = ContentWarning.query.filter_by(name=flag).first()
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if warning:
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query = query.filter(~ Package.content_warnings.any(ContentWarning.id == warning.id))
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if self.hide_nonfree:
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query = query.filter(Package.license.has(License.is_foss == True))
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query = query.filter(Package.media_license.has(License.is_foss == True))
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if self.version:
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query = query.join(Package.releases) \
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.filter(PackageRelease.approved == True) \
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.filter(or_(PackageRelease.min_rel_id == None,
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PackageRelease.min_rel_id <= self.version.id)) \
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.filter(or_(PackageRelease.max_rel_id == None,
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PackageRelease.max_rel_id >= self.version.id))
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return query
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def orderPackageQuery(self, query):
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if self.search:
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query = query.search(self.search, sort=self.order_by is None)
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if self.random:
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query = query.order_by(func.random())
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return query
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to_order = None
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if self.order_by is None and self.search:
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pass
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elif self.order_by is None or self.order_by == "score":
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to_order = Package.score
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elif self.order_by == "reviews":
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query = query.filter(Package.reviews.any())
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to_order = (Package.score - Package.score_downloads)
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elif self.order_by == "name":
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to_order = Package.name
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elif self.order_by == "title":
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to_order = Package.title
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elif self.order_by == "downloads":
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to_order = Package.downloads
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elif self.order_by == "created_at" or self.order_by == "date":
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to_order = Package.created_at
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elif self.order_by == "approved_at" or self.order_by == "date":
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to_order = Package.approved_at
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elif self.order_by == "last_release":
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to_order = PackageRelease.releaseDate
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else:
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abort(400)
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if to_order is not None:
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if self.order_dir == "asc":
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to_order = db.asc(to_order)
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elif self.order_dir == "desc":
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to_order = db.desc(to_order)
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else:
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abort(400)
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query = query.order_by(to_order)
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return query
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def buildTopicQuery(self, show_added=False):
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query = ForumTopic.query
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if not self.show_discarded:
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query = query.filter_by(discarded=False)
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show_added = self.show_added == True or (self.show_added is None and show_added)
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if not show_added:
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query = query.filter(~ db.exists().where(Package.forums==ForumTopic.topic_id))
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if self.order_by is None or self.order_by == "name":
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query = query.order_by(db.asc(ForumTopic.wip), db.asc(ForumTopic.name), db.asc(ForumTopic.title))
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elif self.order_by == "views":
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query = query.order_by(db.desc(ForumTopic.views))
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elif self.order_by == "created_at" or self.order_by == "date":
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query = query.order_by(db.asc(ForumTopic.created_at))
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if self.search:
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query = query.filter(or_(ForumTopic.title.ilike('%' + self.search + '%'),
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ForumTopic.name == self.search.lower()))
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if len(self.types) > 0:
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query = query.filter(ForumTopic.type.in_(self.types))
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if self.limit:
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query = query.limit(self.limit)
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return query
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