65 lines
3.0 KiB
Python
65 lines
3.0 KiB
Python
from wtforms import SubmitField, StringField, HiddenField, validators, Form
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from flask import request, render_template
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from __main__ import db, app, ma
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################################################################################
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# Class describing Publisher in the database, and via sqlalchemy, connected to the DB as well
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################################################################################
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class Publisher(db.Model):
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id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
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name = db.Column(db.String(50), unique=False, nullable=False)
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def __repr__(self):
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return "<id: {}, name: {}>".format(self.id,self.name)
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################################################################################
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# Helper class that inherits a .dump() method to turn class Publisher into json / useful in jinja2
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################################################################################
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class PublisherSchema(ma.SQLAlchemyAutoSchema):
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class Meta: model = Publisher
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################################################################################
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# Helper class that defines a form for publisher, used to make html <form>, with field validation (via wtforms)
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################################################################################
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class PublisherForm(Form):
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id = HiddenField()
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name = StringField('Name:', [validators.DataRequired()])
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submit = SubmitField('Save' )
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delete = SubmitField('Delete' )
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################################################################################
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# Routes for publisher data
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#
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# /publishers -> GET only -> prints out list of all publishers
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################################################################################
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@app.route("/publishers", methods=["GET"])
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def publishers():
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publishers = Publisher.query.all()
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return render_template("publishers.html", publishers=publishers)
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################################################################################
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# /publisher/<id> -> GET/POST(save or delete) -> shows/edits/delets a single publisher
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################################################################################
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@app.route("/publisher/<id>", methods=["GET", "POST"])
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def publisher(id):
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### DDP: should this be request.form or request.values?
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alert="Success"
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publisher_form = PublisherForm(request.form)
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if request.method == 'POST' and publisher_form.validate():
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id = request.form['id']
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publisher = Publisher.query.get(id)
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try:
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request.form['submit']
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except:
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message="Sorry, Deleting unsupported at present"
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alert="Danger"
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else:
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publisher.name = request.form['name']
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db.session.commit()
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message="Successfully Updated Publisher (id={})".format(id)
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else:
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publisher = Publisher.query.get(id)
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publisher_form = PublisherForm(request.values, obj=publisher)
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message=""
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return render_template("publisher.html", publisher=publisher, alert=alert, message=message, publisher_form=publisher_form)
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