app/blueprints/packages/packages.py

   1 # Content DB
   2 # Copyright (C) 2018  rubenwardy
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17
  18 from flask import render_template, abort, request, redirect, url_for, flash
  19 from flask_user import current_user
  20 import flask_menu as menu
  21
  22 from . import bp
  23
  24 from app.models import *
  25 from app.querybuilder import QueryBuilder
  26 from app.tasks.importtasks import importRepoScreenshot
  27 from app.utils import *
  28
  29 from flask_wtf import FlaskForm
  30 from wtforms import *
  31 from wtforms.validators import *
  32 from wtforms.ext.sqlalchemy.fields import QuerySelectField, QuerySelectMultipleField
  33 from sqlalchemy import or_, func
  34
  35
  36 @menu.register_menu(bp, ".mods", "Mods", order=11, endpoint_arguments_constructor=lambda: { 'type': 'mod' })
  37 @menu.register_menu(bp, ".games", "Games", order=12, endpoint_arguments_constructor=lambda: { 'type': 'game' })
  38 @menu.register_menu(bp, ".txp", "Texture Packs", order=13, endpoint_arguments_constructor=lambda: { 'type': 'txp' })
  39 @menu.register_menu(bp, ".random", "Random", order=14, endpoint_arguments_constructor=lambda: { 'random': '1', 'lucky': '1' })
  40 @bp.route("/packages/")
  41 def list_all():
  42         qb    = QueryBuilder(request.args)
  43         query = qb.buildPackageQuery()
  44         title = qb.title
  45
  46         if qb.lucky:
  47                 package = query.first()
  48                 if package:
  49                         return redirect(package.getDetailsURL())
  50
  51                 topic = qb.buildTopicQuery().first()
  52                 if qb.search and topic:
  53                         return redirect("https://forum.minetest.net/viewtopic.php?t=" + str(topic.topic_id))
  54
  55         page  = get_int_or_abort(request.args.get("page"), 1)
  56         num   = min(40, get_int_or_abort(request.args.get("n"), 100))
  57         query = query.paginate(page, num, True)
  58
  59         search = request.args.get("q")
  60         type_name = request.args.get("type")
  61
  62         next_url = url_for("packages.list_all", type=type_name, q=search, page=query.next_num) \
  63                         if query.has_next else None
  64         prev_url = url_for("packages.list_all", type=type_name, q=search, page=query.prev_num) \
  65                         if query.has_prev else None
  66
  67         authors = []
  68         if search:
  69                 authors = User.query \
  70                         .filter(or_(*[func.lower(User.username) == name.lower().strip() for name in search.split(" ")])) \
  71                         .all()
  72
  73                 authors = [(author.username, search.lower().replace(author.username.lower(), "")) for author in authors]
  74
  75         topics = None
  76         if qb.search and not query.has_next:
  77                 qb.show_discarded = True
  78                 topics = qb.buildTopicQuery().all()
  79
  80         tags = Tag.query.all()
  81         return render_template("packages/list.html", \
  82                         title=title, packages=query.items, topics=topics, \
  83                         query=search, tags=tags, type=type_name, \
  84                         authors = authors, \
  85                         next_url=next_url, prev_url=prev_url, page=page, page_max=query.pages, packages_count=query.total)
  86
  87
  88 def getReleases(package):
  89         if package.checkPerm(current_user, Permission.MAKE_RELEASE):
  90                 return package.releases.limit(5)
  91         else:
  92                 return package.releases.filter_by(approved=True).limit(5)
  93
  94
  95 @bp.route("/packages/<author>/<name>/")
  96 @is_package_page
  97 def view(package):
  98         clearNotifications(package.getDetailsURL())
  99
 100         alternatives = None
 101         if package.type == PackageType.MOD:
 102                 alternatives = Package.query \
 103                         .filter_by(name=package.name, type=PackageType.MOD, soft_deleted=False) \
 104                         .filter(Package.id != package.id) \
 105                         .order_by(db.desc(Package.score)) \
 106                         .all()
 107
 108
 109         show_similar_topics = current_user == package.author or \
 110                         package.checkPerm(current_user, Permission.APPROVE_NEW)
 111
 112         similar_topics = None if not show_similar_topics else \
 113                         ForumTopic.query \
 114                                 .filter_by(name=package.name) \
 115                                 .filter(ForumTopic.topic_id != package.forums) \
 116                                 .filter(~ db.exists().where(Package.forums==ForumTopic.topic_id)) \
 117                                 .order_by(db.asc(ForumTopic.name), db.asc(ForumTopic.title)) \
 118                                 .all()
 119
 120         releases = getReleases(package)
 121         requests = [r for r in package.requests if r.status == 0]
 122
 123         review_thread = package.review_thread
 124         if review_thread is not None and not review_thread.checkPerm(current_user, Permission.SEE_THREAD):
 125                 review_thread = None
 126
 127         topic_error = None
 128         topic_error_lvl = "warning"
 129         if not package.approved and package.forums is not None:
 130                 errors = []
 131                 if Package.query.filter_by(forums=package.forums, soft_deleted=False).count() > 1:
 132                         errors.append("<b>Error: Another package already uses this forum topic!</b>")
 133                         topic_error_lvl = "danger"
 134
 135                 topic = ForumTopic.query.get(package.forums)
 136                 if topic is not None:
 137                         if topic.author != package.author:
 138                                 errors.append("<b>Error: Forum topic author doesn't match package author.</b>")
 139                                 topic_error_lvl = "danger"
 140
 141                         if topic.wip:
 142                                 errors.append("Warning: Forum topic is in WIP section, make sure package meets playability standards.")
 143                 elif package.type != PackageType.TXP:
 144                         errors.append("Warning: Forum topic not found. This may happen if the topic has only just been created.")
 145
 146                 topic_error = "<br />".join(errors)
 147
 148
 149         threads = Thread.query.filter_by(package_id=package.id)
 150         if not current_user.is_authenticated:
 151                 threads = threads.filter_by(private=False)
 152         elif not current_user.rank.atLeast(UserRank.EDITOR) and not current_user == package.author:
 153                 threads = threads.filter(or_(Thread.private == False, Thread.author == current_user))
 154
 155
 156         return render_template("packages/view.html", \
 157                         package=package, releases=releases, requests=requests, \
 158                         alternatives=alternatives, similar_topics=similar_topics, \
 159                         review_thread=review_thread, topic_error=topic_error, topic_error_lvl=topic_error_lvl, \
 160                         threads=threads.all())
 161
 162
 163 @bp.route("/packages/<author>/<name>/download/")
 164 @is_package_page
 165 def download(package):
 166         release = package.getDownloadRelease()
 167
 168         if release is None:
 169                 if "application/zip" in request.accept_mimetypes and \
 170                                 not "text/html" in request.accept_mimetypes:
 171                         return "", 204
 172                 else:
 173                         flash("No download available.", "danger")
 174                         return redirect(package.getDetailsURL())
 175         else:
 176                 return redirect(release.getDownloadURL(), code=302)
 177
 178
 179 class PackageForm(FlaskForm):
 180         name          = StringField("Name (Technical)", [InputRequired(), Length(1, 100), Regexp("^[a-z0-9_]+$", 0, "Lower case letters (a-z), digits (0-9), and underscores (_) only")])
 181         title         = StringField("Title (Human-readable)", [InputRequired(), Length(3, 100)])
 182         short_desc     = StringField("Short Description (Plaintext)", [InputRequired(), Length(1,200)])
 183         desc          = TextAreaField("Long Description (Markdown)", [Optional(), Length(0,10000)])
 184         type          = SelectField("Type", [InputRequired()], choices=PackageType.choices(), coerce=PackageType.coerce, default=PackageType.MOD)
 185         license       = QuerySelectField("License", [DataRequired()], allow_blank=True, query_factory=lambda: License.query.order_by(db.asc(License.name)), get_pk=lambda a: a.id, get_label=lambda a: a.name)
 186         media_license = QuerySelectField("Media License", [DataRequired()], allow_blank=True, query_factory=lambda: License.query.order_by(db.asc(License.name)), get_pk=lambda a: a.id, get_label=lambda a: a.name)
 187         provides_str  = StringField("Provides (mods included in package)", [Optional()])
 188         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)
 189         harddep_str   = StringField("Hard Dependencies", [Optional()])
 190         softdep_str   = StringField("Soft Dependencies", [Optional()])
 191         repo          = StringField("VCS Repository URL", [Optional(), URL()], filters = [lambda x: x or None])
 192         website       = StringField("Website URL", [Optional(), URL()], filters = [lambda x: x or None])
 193         issueTracker  = StringField("Issue Tracker URL", [Optional(), URL()], filters = [lambda x: x or None])
 194         forums        = IntegerField("Forum Topic ID", [Optional(), NumberRange(0,999999)])
 195         submit        = SubmitField("Save")
 196
 197 @bp.route("/packages/new/", methods=["GET", "POST"])
 198 @bp.route("/packages/<author>/<name>/edit/", methods=["GET", "POST"])
 199 @login_required
 200 def create_edit(author=None, name=None):
 201         package = None
 202         form = None
 203         if author is None:
 204                 form = PackageForm(formdata=request.form)
 205                 author = request.args.get("author")
 206                 if author is None or author == current_user.username:
 207                         author = current_user
 208                 else:
 209                         author = User.query.filter_by(username=author).first()
 210                         if author is None:
 211                                 flash("Unable to find that user", "danger")
 212                                 return redirect(url_for("packages.create_edit"))
 213
 214                         if not author.checkPerm(current_user, Permission.CHANGE_AUTHOR):
 215                                 flash("Permission denied", "danger")
 216                                 return redirect(url_for("packages.create_edit"))
 217
 218         else:
 219                 package = getPackageByInfo(author, name)
 220                 if not package.checkPerm(current_user, Permission.EDIT_PACKAGE):
 221                         return redirect(package.getDetailsURL())
 222
 223                 author = package.author
 224
 225                 form = PackageForm(formdata=request.form, obj=package)
 226
 227         # Initial form class from post data and default data
 228         if request.method == "GET":
 229                 if package is None:
 230                         form.name.data   = request.args.get("bname")
 231                         form.title.data  = request.args.get("title")
 232                         form.repo.data   = request.args.get("repo")
 233                         form.forums.data = request.args.get("forums")
 234                         form.license.data = None
 235                         form.media_license.data = None
 236                 else:
 237                         form.harddep_str.data  = ",".join([str(x) for x in package.getSortedHardDependencies() ])
 238                         form.softdep_str.data  = ",".join([str(x) for x in package.getSortedOptionalDependencies() ])
 239                         form.provides_str.data = MetaPackage.ListToSpec(package.provides)
 240
 241         if request.method == "POST" and form.validate():
 242                 wasNew = False
 243                 if not package:
 244                         package = Package.query.filter_by(name=form["name"].data, author_id=author.id).first()
 245                         if package is not None:
 246                                 if package.soft_deleted:
 247                                         Package.query.filter_by(name=form["name"].data, author_id=author.id).delete()
 248                                 else:
 249                                         flash("Package already exists!", "danger")
 250                                         return redirect(url_for("packages.create_edit"))
 251
 252                         package = Package()
 253                         package.author = author
 254                         wasNew = True
 255
 256                 elif package.approved and package.name != form.name.data and \
 257                                 not package.checkPerm(current_user, Permission.CHANGE_NAME):
 258                         flash("Unable to change package name", "danger")
 259                         return redirect(url_for("packages.create_edit", author=author, name=name))
 260
 261                 else:
 262                         triggerNotif(package.author, current_user,
 263                                         "{} edited".format(package.title), package.getDetailsURL())
 264
 265                 form.populate_obj(package) # copy to row
 266
 267                 if package.type== PackageType.TXP:
 268                         package.license = package.media_license
 269
 270                 mpackage_cache = {}
 271                 package.provides.clear()
 272                 mpackages = MetaPackage.SpecToList(form.provides_str.data, mpackage_cache)
 273                 for m in mpackages:
 274                         package.provides.append(m)
 275
 276                 Dependency.query.filter_by(depender=package).delete()
 277                 deps = Dependency.SpecToList(package, form.harddep_str.data, mpackage_cache)
 278                 for dep in deps:
 279                         dep.optional = False
 280                         db.session.add(dep)
 281
 282                 deps = Dependency.SpecToList(package, form.softdep_str.data, mpackage_cache)
 283                 for dep in deps:
 284                         dep.optional = True
 285                         db.session.add(dep)
 286
 287                 if wasNew and package.type == PackageType.MOD and not package.name in mpackage_cache:
 288                         m = MetaPackage.GetOrCreate(package.name, mpackage_cache)
 289                         package.provides.append(m)
 290
 291                 package.tags.clear()
 292                 for tag in form.tags.raw_data:
 293                         package.tags.append(Tag.query.get(tag))
 294
 295                 db.session.commit() # save
 296
 297                 next_url = package.getDetailsURL()
 298                 if wasNew and package.repo is not None:
 299                         task = importRepoScreenshot.delay(package.id)
 300                         next_url = url_for("tasks.check", id=task.id, r=next_url)
 301
 302                 if wasNew and ("WTFPL" in package.license.name or "WTFPL" in package.media_license.name):
 303                         next_url = url_for("flatpage", path="help/wtfpl", r=next_url)
 304
 305                 return redirect(next_url)
 306
 307         package_query = Package.query.filter_by(approved=True, soft_deleted=False)
 308         if package is not None:
 309                 package_query = package_query.filter(Package.id != package.id)
 310
 311         enableWizard = name is None and request.method != "POST"
 312         return render_template("packages/create_edit.html", package=package, \
 313                         form=form, author=author, enable_wizard=enableWizard, \
 314                         packages=package_query.all(), \
 315                         mpackages=MetaPackage.query.order_by(db.asc(MetaPackage.name)).all())
 316
 317 @bp.route("/packages/<author>/<name>/approve/", methods=["POST"])
 318 @login_required
 319 @is_package_page
 320 def approve(package):
 321         if not package.checkPerm(current_user, Permission.APPROVE_NEW):
 322                 flash("You don't have permission to do that.", "danger")
 323
 324         elif package.approved:
 325                 flash("Package has already been approved", "danger")
 326
 327         else:
 328                 package.approved = True
 329
 330                 screenshots = PackageScreenshot.query.filter_by(package=package, approved=False).all()
 331                 for s in screenshots:
 332                         s.approved = True
 333
 334                 triggerNotif(package.author, current_user,
 335                                 "{} approved".format(package.title), package.getDetailsURL())
 336                 db.session.commit()
 337
 338         return redirect(package.getDetailsURL())
 339
 340
 341 @bp.route("/packages/<author>/<name>/remove/", methods=["GET", "POST"])
 342 @login_required
 343 @is_package_page
 344 def remove(package):
 345         if request.method == "GET":
 346                 return render_template("packages/remove.html", package=package)
 347
 348         if "delete" in request.form:
 349                 if not package.checkPerm(current_user, Permission.DELETE_PACKAGE):
 350                         flash("You don't have permission to do that.", "danger")
 351                         return redirect(package.getDetailsURL())
 352
 353                 package.soft_deleted = True
 354
 355                 url = url_for("users.profile", username=package.author.username)
 356                 triggerNotif(package.author, current_user,
 357                                 "{} deleted".format(package.title), url)
 358                 db.session.commit()
 359
 360                 flash("Deleted package", "success")
 361
 362                 return redirect(url)
 363         elif "unapprove" in request.form:
 364                 if not package.checkPerm(current_user, Permission.UNAPPROVE_PACKAGE):
 365                         flash("You don't have permission to do that.", "danger")
 366                         return redirect(package.getDetailsURL())
 367
 368                 package.approved = False
 369
 370                 triggerNotif(package.author, current_user,
 371                                 "{} deleted".format(package.title), package.getDetailsURL())
 372                 db.session.commit()
 373
 374                 flash("Unapproved package", "success")
 375
 376                 return redirect(package.getDetailsURL())
 377         else:
 378                 abort(400)