Add support for using forum profile pictures

app/models.py

@@ -19,7 +19,7 @@ from flask import Flask, url_for
 from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
 from urllib.parse import urlparse
-from app import app
+from app import app, gravatar
 from datetime import datetime
 from sqlalchemy.orm import validates
 from flask_user import login_required, UserManager, UserMixin, SQLAlchemyAdapter
@@ -115,6 +115,7 @@ class User(db.Model, UserMixin):
 	confirmed_at  = db.Column(db.DateTime())
 
 	# User information
+	profile_pic   = db.Column(db.String(255), nullable=True, server_default=None)
 	active        = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
 	display_name  = db.Column(db.String(100), nullable=False, server_default="")
 
@@ -146,6 +147,12 @@ class User(db.Model, UserMixin):
 	def isClaimed(self):
 		return self.rank.atLeast(UserRank.NEW_MEMBER)
 
+	def getProfilePicURL(self):
+		if self.profile_pic:
+			return self.profile_pic
+		else:
+			return gravatar(self.email or "")
+
 	def checkPerm(self, user, perm):
 		if not user.is_authenticated:
 			return False

app/tasks/forumtasks.py

@@ -25,7 +25,7 @@ import urllib.request
 from urllib.parse import urlparse, quote_plus
 
 @celery.task()
-def checkForumAccount(username, token=None):
+def checkForumAccount(username):
 	try:
 		profile = getProfile("https://forum.minetest.net", username)
 	except OSError:
@@ -47,6 +47,10 @@ def checkForumAccount(username, token=None):
 		user.github_username = github_username
 		needsSaving = True
 
+	pic = profile.avatar
+	needsSaving = needsSaving or pic != user.profile_pic
+	user.profile_pic = pic
+
 	# Save
 	if needsSaving:
 		db.session.commit()

app/tasks/phpbbparser.py

@@ -17,6 +17,7 @@ class Profile:
 	def __init__(self, username):
 		self.username   = username
 		self.signature  = ""
+		self.avatar     = None
 		self.properties = {}
 
 	def set(self, key, value):
@@ -33,6 +34,11 @@ def __extract_properties(profile, soup):
 	if el is None:
 		return None
 
+	res1 = el.find_all("dl")
+	imgs = res1[0].find_all("img")
+	if len(imgs) == 1:
+		profile.avatar = imgs[0]["src"]
+
 	res = el.find_all("dl", class_ = "left-box details")
 	if len(res) != 1:
 		return None

app/templates/users/user_profile_page.html

@@ -21,11 +21,13 @@
 			<h2 class="card-header">{{ user.display_name }}</h2>
 			<div class="card-body row">
 				<div class="col-md-2">
-					{% if user.email %}
+					{% if user.forums_username %}
+						<a href="https://forum.minetest.net/ucp.php?i=profile&mode=avatar">
+					{% elif user.email %}
 						<a href="https://en.gravatar.com/">
 					{% endif %}
-					<img class="img-responsive user-photo img-thumbnail  img-thumbnail-1" src="{{ (user.email or '') | gravatar }}">
-					{% if user.email %}
+					<img class="img-responsive user-photo img-thumbnail  img-thumbnail-1" src="{{ user.getProfilePicURL() }}">
+					{% if user.forums_username or user.email %}
 						</a>
 					{% endif %}
 				</div>
@@ -67,14 +69,23 @@
 							<tr>
 								<td>Profile Picture:</td>
 								<td>
+									{% if user.forums_username %}
+										<form method="post" action="{{ url_for('user_check', username=user.username) }}" class="" style="display:inline-block;">
+											<input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
+											<input type="submit" class="btn btn-primary" value="Sync with Forums" />
+										</form>
+									{% endif %}
 									{% if user.email %}
 										<a class="btn btn-primary" href="https://en.gravatar.com/">
 											Gravatar
 										</a>
 									{% else %}
-										<p>
-											Please add an email to your profile.
-										</p>
+										<a class="btn btn-primary disabled"
+												data-toggle="tooltip" data-placement="bottom"
+												title="Please add an email address to use Gravatar"
+												style="pointer-events: all;">
+											Gravatar
+										</a>
 									{% endif %}
 								</td>
 							</tr>

app/views/users.py

@@ -106,6 +106,26 @@ def user_profile_page(username):
 	return render_template("users/user_profile_page.html",
 			user=user, form=form, packages=packages, topics_to_add=topics_to_add)
 
+
+@app.route("/users/<username>/check/", methods=["POST"])
+@login_required
+def user_check(username):
+	user = User.query.filter_by(username=username).first()
+	if user is None:
+		abort(404)
+
+	if current_user != user and not current_user.rank.atLeast(UserRank.MODERATOR):
+		abort(403)
+
+	if user.forums_username is None:
+		abort(404)
+
+	task = checkForumAccount.delay(user.forums_username)
+	next_url = url_for("user_profile_page", username=username)
+
+	return redirect(url_for("check_task", id=task.id, r=next_url))
+
+
 class SetPasswordForm(FlaskForm):
 	email = StringField("Email", [Optional(), Email()])
 	password = PasswordField("New password", [InputRequired(), Length(2, 20)])

migrations/versions/dce69ad1e4eb_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: dce69ad1e4eb
+Revises: a791b9b74a4c
+Create Date: 2018-12-25 18:57:44.575501
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'dce69ad1e4eb'
+down_revision = 'a791b9b74a4c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("user", sa.Column('profile_pic', sa.String(length=255), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("user", "profile_pic")
+    # ### end Alembic commands ###