use multiSelect for tags

apps/cfp_review/base.py

@@ -320,6 +320,8 @@ def log_and_close(msg, next_page, proposal_id=None):
     else:
         raise Exception("Unknown cfp type {}".format(prop.type))
 
+    form.tags.choices = [(t.tag, t.tag) for t in Tag.query.order_by(Tag.tag).all()]
+
     # Process the POST
     if form.validate_on_submit():
         try:
@@ -368,7 +370,7 @@ def log_and_close(msg, next_page, proposal_id=None):
     form.state.data = prop.state
     form.title.data = prop.title
     form.description.data = prop.description
-    form.tags.data = Tag.serialise_tags(prop.tags)
+    form.tags.data = [t.tag for t in prop.tags]
     form.requirements.data = prop.requirements
     form.length.data = prop.length
     form.notice_required.data = prop.notice_required

apps/cfp_review/forms.py

@@ -9,6 +9,7 @@
     BooleanField,
     IntegerField,
     FloatField,
+    SelectMultipleField,
 )
 from wtforms.validators import DataRequired, Optional, NumberRange, ValidationError
 
@@ -24,7 +25,7 @@ class UpdateProposalForm(Form):
     state = SelectField("State", choices=[(s, s) for s in ORDERED_STATES])
     title = StringField("Title", [DataRequired()])
     description = TextAreaField("Description", [DataRequired()])
-    tags = StringField("Tags")
+    tags = SelectMultipleField("Tags")
     requirements = TextAreaField("Requirements")
     length = StringField("Length")
     notice_required = SelectField(

models/cfp_tag.py

@@ -26,7 +26,8 @@ def serialise_tags(self, tag_list: list["Tag"]) -> str:
     @classmethod
     def parse_serialised_tags(cls, tag_str: str) -> list["Tag"]:
         res = []
-        tag_list = [t.strip().lower() for t in tag_str.split(",")]
+        # tag_list = [t.strip().lower() for t in tag_str.split(",")]
+        tag_list = [t.strip().lower() for t in tag_str]
         for tag_value in tag_list:
             if len(tag_value) == 0:
                 continue

templates/cfp_review/update_proposal.html

@@ -45,7 +45,7 @@ <h4 class="panel-title">
                             {{ render_dl_field(form.state) }}
                             {{ render_dl_field(form.title) }}
                             {{ render_dl_field(form.description, rows=8) }}
-                            {{ render_dl_field(form.tags) }}
+                            {{ render_dl_field(form.tags, size=5) }}
                         </dl>
                     </div>
                 </div>