Add user rank changing

Fixes #14

app/views/users.py

@@ -4,20 +4,18 @@ from flask_login import login_user, logout_user
 from flask.ext import menu
 from app import app
 from app.models import *
-
-
-
-# Define the User registration form
-# It augments the Flask-User RegisterForm with additional fields
-from flask_user.forms import RegisterForm
 from flask_wtf import FlaskForm
-from wtforms import StringField, SubmitField, validators
+from flask_user.forms import RegisterForm
+from wtforms import *
+from wtforms.validators import *
+
 class MyRegisterForm(RegisterForm):
 	display_name = StringField("Display name")
 
 # Define the User profile form
 class UserProfileForm(FlaskForm):
 	display_name = StringField("Display name")
+	rank = SelectField("Rank", [InputRequired()], choices=UserRank.choices(), coerce=UserRank.coerce, default=UserRank.NEW_MEMBER)
 	submit = SubmitField("Save")
 
 @app.route("/users/", methods=["GET"])
@@ -33,20 +31,28 @@ def user_profile_page(username):
 		abort(404)
 
 	form = None
-	if user == current_user:
+	if user == current_user or user.checkPerm(current_user, Permission.CHANGE_RANK):
 		# Initialize form
-		form = UserProfileForm(formdata=request.form, obj=current_user)
+		form = UserProfileForm(formdata=request.form, obj=user)
 
 		# Process valid POST
 		if request.method=="POST" and form.validate():
 			# Copy form fields to user_profile fields
-			form.populate_obj(current_user)
+			if user == current_user:
+				user.display_name = form["display_name"].data
+
+			if user.checkPerm(current_user, Permission.CHANGE_RANK):
+				newRank = form["rank"].data
+				if current_user.rank.atLeast(newRank):
+					user.rank = form["rank"].data
+				else:
+					flash("Can't promote a user to a rank higher than yourself!", "error")
 
 			# Save user_profile
 			db.session.commit()
 
 			# Redirect to home page
-			return redirect(url_for("home_page"))
+			return redirect(url_for("user_profile_page", username=username))
 
 	# Process GET or invalid POST
 	return render_template("users/user_profile_page.html",