Remove dependencies, add meta packages

app/models.py

@@ -219,8 +219,7 @@ class PackagePropertyKey(enum.Enum):
 	type         = "Type"
 	license      = "License"
 	tags         = "Tags"
-	harddeps     = "Hard Dependencies"
-	softdeps     = "Soft Dependencies"
+	provides     = "Provides"
 	repo         = "Repository"
 	website      = "Website"
 	issueTracker = "Issue Tracker"
@@ -229,27 +228,22 @@ class PackagePropertyKey(enum.Enum):
 	def convert(self, value):
 		if self == PackagePropertyKey.tags:
 			return ",".join([t.title for t in value])
-		elif self == PackagePropertyKey.harddeps or self == PackagePropertyKey.softdeps:
-			return ",".join([t.author.username + "/" + t.name for t in value])
-
+		elif self == PackagePropertyKey.provides:
+			return ",".join([t.name for t in value])
 		else:
 			return str(value)
 
+
+provides = db.Table("provides",
+	db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
+    db.Column("metapackage_id", db.Integer, db.ForeignKey("meta_package.id"), primary_key=True)
+)
+
 tags = db.Table("tags",
     db.Column("tag_id", db.Integer, db.ForeignKey("tag.id"), primary_key=True),
     db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
 )
 
-harddeps = db.Table("harddeps",
-	db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
-    db.Column("dependency_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
-)
-
-softdeps = db.Table("softdeps",
-	db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
-    db.Column("dependency_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
-)
-
 class Package(db.Model):
 	id           = db.Column(db.Integer, primary_key=True)
 
@@ -273,20 +267,11 @@ class Package(db.Model):
 	issueTracker = db.Column(db.String(200), nullable=True)
 	forums       = db.Column(db.Integer,     nullable=True)
 
-	tags = db.relationship("Tag", secondary=tags, lazy="subquery",
+	provides = db.relationship("MetaPackage", secondary=provides, lazy="subquery",
 			backref=db.backref("packages", lazy=True))
 
-	harddeps = db.relationship("Package",
-				secondary=harddeps,
-				primaryjoin=id==harddeps.c.package_id,
-				secondaryjoin=id==harddeps.c.dependency_id,
-				backref="dependents")
-
-	softdeps = db.relationship("Package",
-				secondary=softdeps,
-				primaryjoin=id==softdeps.c.package_id,
-				secondaryjoin=id==softdeps.c.dependency_id,
-				backref="softdependents")
+	tags = db.relationship("Tag", secondary=tags, lazy="subquery",
+			backref=db.backref("packages", lazy=True))
 
 	releases = db.relationship("PackageRelease", backref="package",
 			lazy="dynamic", order_by=db.desc("package_release_releaseDate"))
@@ -415,6 +400,16 @@ class Package(db.Model):
 		else:
 			raise Exception("Permission {} is not related to packages".format(perm.name))
 
+class MetaPackage(db.Model):
+	id           = db.Column(db.Integer, primary_key=True)
+	name         = db.Column(db.String(100), unique=True, nullable=False)
+
+	def __init__(self, name=None):
+		self.name = name
+
+	def __str__(self):
+		return self.name
+
 class Tag(db.Model):
 	id              = db.Column(db.Integer,    primary_key=True)
 	name            = db.Column(db.String(100), unique=True, nullable=False)
@@ -552,42 +547,6 @@ class EditRequestChange(db.Model):
 				tag = Tag.query.filter_by(title=tagTitle.strip()).first()
 				package.tags.append(tag)
 
-		elif self.key == PackagePropertyKey.harddeps:
-			package.harddeps.clear()
-			for pair in self.newValue.split(","):
-				key, value = pair.split("/")
-				if key is None or value is None:
-					continue
-
-				user = User.query.filter_by(username=key).first()
-				if user is None:
-					continue
-
-				dep = Package.query.filter_by(author=user, name=value, soft_deleted=False).first()
-				if dep is None:
-					continue
-
-				package.harddeps.append(dep)
-
-		elif self.key == PackagePropertyKey.softdeps:
-			package.softdeps.clear()
-			for pair in self.newValue.split(","):
-				key, value = pair.split("/")
-				if key is None or value is None:
-					continue
-
-				user = User.query.filter_by(username=key).first()
-				if user is None:
-					raise Exception("No such user!")
-					continue
-
-				dep = Package.query.filter_by(author=user, name=value).first()
-				if dep is None:
-					raise Exception("No such package!")
-					continue
-
-				package.softdeps.append(dep)
-
 		else:
 			setattr(package, self.key.name, self.newValue)
 

app/templates/packages/create_edit.html

@@ -23,8 +23,6 @@
 		{{ render_field(form.type, class_="pkg_meta") }}
 		{{ render_field(form.license, class_="pkg_meta") }}
 		{{ render_multiselect_field(form.tags, class_="pkg_meta") }}
-		{{ render_multiselect_field(form.harddeps, class_="pkg_meta") }}
-		{{ render_multiselect_field(form.softdeps, class_="pkg_meta") }}
 
 		<div class="pkg_wiz_1">
 			<p>Enter the repo URL for the package.

app/templates/packages/editrequest_create_edit.html

@@ -18,8 +18,6 @@
 		{{ render_field(form.type) }}
 		{{ render_field(form.license) }}
 		{{ render_multiselect_field(form.tags) }}
-		{{ render_multiselect_field(form.harddeps) }}
-		{{ render_multiselect_field(form.softdeps) }}
 		{{ render_field(form.repo) }}
 		{{ render_field(form.website) }}
 		{{ render_field(form.issueTracker) }}

app/templates/packages/view.html

@@ -67,6 +67,10 @@
 					<td>Name</td>
 					<td>{{ package.name }}</td>
 				</tr>
+				<tr>
+					<td>Provides</td>
+					<td>{{ package.provides | join(', ') }}</td>
+				</tr>
 				<tr>
 					<td>Author</td>
 					<td class="{{ package.author.rank }}">
@@ -153,7 +157,7 @@
 		{% endfor %}
 	</ul>
 
-	<table class="table-topalign">
+	<!-- <table class="table-topalign">
 		<tr>
 			<td>
 				<h3>Dependencies</h3>
@@ -186,7 +190,7 @@
 				</ul>
 			</td>
 		</tr>
-	</table>
+	</table> -->
 
 	{% if current_user.is_authenticated or requests %}
 		<h3>Edit Requests</h3>

app/views/packages/__init__.py

@@ -107,8 +107,6 @@ class PackageForm(FlaskForm):
 	type          = SelectField("Type", [InputRequired()], choices=PackageType.choices(), coerce=PackageType.coerce, default=PackageType.MOD)
 	license       = QuerySelectField("License", [InputRequired()], query_factory=lambda: License.query, get_pk=lambda a: a.id, get_label=lambda a: a.name)
 	tags          = QuerySelectMultipleField('Tags', query_factory=lambda: Tag.query.order_by(db.asc(Tag.name)), get_pk=lambda a: a.id, get_label=lambda a: a.title)
-	harddeps      = QuerySelectMultipleField('Dependencies', query_factory=lambda: Package.query.filter_by(soft_deleted=False,approved=True).join(User).order_by(db.asc(Package.title), db.asc(User.display_name)), get_pk=lambda a: a.id, get_label=lambda a: a.title + " by " + a.author.display_name)
-	softdeps      = QuerySelectMultipleField('Soft Dependencies', query_factory=lambda: Package.query.filter_by(soft_deleted=False,approved=True).join(User).order_by(db.asc(Package.title), db.asc(User.display_name)), get_pk=lambda a: a.id, get_label=lambda a: a.title + " by " + a.author.display_name)
 	repo          = StringField("Repo URL", [Optional(), URL()])
 	website       = StringField("Website URL", [Optional(), URL()])
 	issueTracker  = StringField("Issue Tracker URL", [Optional(), URL()])

migrations/versions/900758871713_.py

@@ -0,0 +1,57 @@
+"""empty message
+
+Revision ID: 900758871713
+Revises: ea5a023711e0
+Create Date: 2018-05-27 16:36:44.258935
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '900758871713'
+down_revision = 'ea5a023711e0'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('meta_package',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('name', sa.String(length=100), nullable=False),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('name')
+    )
+    op.create_table('provides',
+        sa.Column('package_id', sa.Integer(), nullable=False),
+        sa.Column('metapackage_id', sa.Integer(), nullable=False),
+        sa.ForeignKeyConstraint(['metapackage_id'], ['meta_package.id'], ),
+        sa.ForeignKeyConstraint(['package_id'], ['package.id'], ),
+        sa.PrimaryKeyConstraint('package_id', 'metapackage_id')
+    )
+    op.drop_table('harddeps')
+    op.drop_table('softdeps')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('softdeps',
+        sa.Column('package_id', sa.INTEGER(), nullable=False),
+        sa.Column('dependency_id', sa.INTEGER(), nullable=False),
+        sa.ForeignKeyConstraint(['dependency_id'], ['package.id'], ),
+        sa.ForeignKeyConstraint(['package_id'], ['package.id'], ),
+        sa.PrimaryKeyConstraint('package_id', 'dependency_id')
+    )
+    op.create_table('harddeps',
+        sa.Column('package_id', sa.INTEGER(), nullable=False),
+        sa.Column('dependency_id', sa.INTEGER(), nullable=False),
+        sa.ForeignKeyConstraint(['dependency_id'], ['package.id'], ),
+        sa.ForeignKeyConstraint(['package_id'], ['package.id'], ),
+        sa.PrimaryKeyConstraint('package_id', 'dependency_id')
+    )
+    op.drop_table('provides')
+    op.drop_table('meta_package')
+    # ### end Alembic commands ###

setup.py

@@ -255,7 +255,6 @@ No warranty is provided, express or implied, for any part of the project.
 	mod.title = "Sweet Foods"
 	mod.license = licenses["CC0"]
 	mod.type = PackageType.MOD
-	mod.harddeps.append(food)
 	mod.author = ruben
 	mod.tags.append(tags["player_effects"])
 	mod.repo = "https://github.com/rubenwardy/food_sweet/"
@@ -314,6 +313,19 @@ Uses the CTF PvP Engine.
 	rel.approved = True
 	db.session.add(rel)
 
+	db.session.commit()
+
+	metas = {}
+	for package in Package.query.filter_by(type=PackageType.MOD).all():
+		meta = None
+		try:
+			meta = metas[package.name]
+		except KeyError:
+			meta = MetaPackage(package.name)
+			db.session.add(meta)
+			metas[package.name] = meta
+		package.provides.append(meta)
+
 
 delete_db = len(sys.argv) >= 2 and sys.argv[1].strip() == "-d"
 if delete_db and os.path.isfile("db.sqlite"):