113 lines
5.6 KiB
Python
113 lines
5.6 KiB
Python
from wtforms import SubmitField, StringField, HiddenField, validators, Form
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from flask_wtf import FlaskForm
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from flask import request, render_template, redirect
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from main import db, app, ma
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from sqlalchemy import Sequence
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from sqlalchemy.exc import SQLAlchemyError
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from status import st, Status
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from files import Files
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################################################################################
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# Class describing Person in the database, and via sqlalchemy, connected to the DB as well
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################################################################################
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class Person(db.Model):
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id = db.Column(db.Integer, db.Sequence('person_id_seq'), primary_key=True )
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tag = db.Column(db.String(48), unique=False, nullable=False)
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surname = db.Column(db.String(48), unique=False, nullable=False)
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firstname = db.Column(db.String(48), unique=False, nullable=False)
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def __repr__(self):
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return "<tag: {}, firstname: {}, surname: {}>".format(self.tag,self.firstname, self.surname)
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class File_Person_Link(db.Model):
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__tablename__ = "file_person_link"
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file_id = db.Column(db.Integer, db.ForeignKey('files.id'), unique=True, nullable=False, primary_key=True)
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person_id = db.Column(db.Integer, db.ForeignKey('person.id'), unique=True, nullable=False, primary_key=True)
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def __repr__(self):
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return "<file_id: {}, person_id: {}>".format(self.file_id, self.person_id)
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################################################################################
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# Helper class that inherits a .dump() method to turn class Person into json / useful in jinja2
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################################################################################
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class PersonSchema(ma.SQLAlchemyAutoSchema):
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class Meta:
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model = Person
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ordered = True
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################################################################################
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# Helper class that defines a form for person, used to make html <form>, with field validation (via wtforms)
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################################################################################
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class PersonForm(FlaskForm):
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id = HiddenField()
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tag = StringField('Tag (searchable name):', [validators.DataRequired()])
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firstname = StringField('FirstName(s):', [validators.DataRequired()])
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surname = StringField('Surname:', [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 person data
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#
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# /persons -> GET only -> prints out list of all persons
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################################################################################
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@app.route("/persons", methods=["GET"])
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def persons():
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persons = Person.query.all()
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return render_template("persons.html", persons=persons, alert=st.GetAlert(), message=st.GetMessage() )
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################################################################################
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# /person -> GET/POST -> creates a new person type and when created, takes you back to /persons
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################################################################################
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@app.route("/person", methods=["GET", "POST"])
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def new_person():
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form = PersonForm(request.form)
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page_title='Create new Person'
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if 'surname' not in request.form:
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return render_template("person.html", form=form, page_title=page_title )
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else:
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person = Person( tag=request.form["tag"], surname=request.form["surname"], firstname=request.form["firstname"] )
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try:
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db.session.add(person)
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db.session.commit()
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print(person)
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st.SetMessage( "Created new Person ({})".format(person.tag) )
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return redirect( '/persons' )
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except SQLAlchemyError as e:
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st.SetAlert( "danger" )
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st.SetMessage( "<b>Failed to add Person:</b> {}".format(e.orig) )
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return render_template("person.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
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################################################################################
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# /person/<id> -> GET/POST(save or delete) -> shows/edits/delets a single
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# person
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################################################################################
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@app.route("/person/<id>", methods=["GET", "POST"])
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def person(id):
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form = PersonForm(request.form)
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page_title='Edit Person'
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if request.method == 'POST':
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try:
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person = Person.query.get(id)
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if 'delete' in request.form:
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st.SetMessage("Successfully deleted Person: ({})".format( person.tag ) )
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person = Person.query.filter(Person.id==id).delete()
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if 'submit' in request.form and form.validate():
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st.SetMessage("Successfully Updated Person: (From: {}, {}, {})".format(person.tag, person.firstname, person.surname) )
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person.tag = request.form['tag']
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person.surname = request.form['surname']
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person.firstname = request.form['firstname']
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st.AppendMessage(" To: ({}, {}, {})".format(person.tag, person.firstname, person.surname) )
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db.session.commit()
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return redirect( '/persons' )
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except SQLAlchemyError as e:
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st.SetAlert( "danger" )
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st.SetMessage( "<b>Failed to modify Person:</b> {}".format(e.orig) )
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return render_template("person.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
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else:
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person = Person.query.get(id)
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form = PersonForm(request.values, obj=person)
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return render_template("person.html", object=person, form=form, page_title = page_title, alert=st.GetAlert(), message=st.GetMessage() )
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