151 lines
7.6 KiB
Python
151 lines
7.6 KiB
Python
from wtforms import SubmitField, StringField, HiddenField, validators, TextAreaField, IntegerField
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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 flask_login import login_required, current_user
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from wtforms import DateField
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from main import db, app, ma
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from sqlalchemy.exc import SQLAlchemyError
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from status import st, Status
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################################################################################
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# Class describing Series in the database, and via sqlalchemy, connected to the DB as well
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################################################################################
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class Series(db.Model):
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id = db.Column(db.Integer, db.Sequence('series_id_seq'), primary_key=True)
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title = db.Column(db.String(100), unique=False, nullable=False)
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num_books = db.Column(db.Integer, nullable=False)
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calcd_rating = db.Column(db.String(10), unique=False, nullable=False)
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note = db.Column(db.Text)
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def __repr__(self):
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return f"<id: {self.id}, title: {self.title}, num_books: {self.num_books}, calcd_rating: {self.calcd_rating}, note: {self.note}>"
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################################################################################
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# Helper class that inherits a .dump() method to turn class Series into json / useful in jinja2
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################################################################################
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class SeriesSchema(ma.SQLAlchemyAutoSchema):
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class Meta:
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model = Series
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ordered = True
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################################################################################
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# Helper class that defines a form for series, used to make html <form>, with field validation (via wtforms)
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################################################################################
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class SeriesForm(FlaskForm):
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id = HiddenField()
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title = StringField('Title:', [validators.DataRequired()])
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num_books = IntegerField('Number of Books:', [validators.DataRequired(), validators.NumberRange(min=1)])
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calcd_rating = StringField('Avg Rating:' )
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note = TextAreaField('Notes:')
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submit = SubmitField('Save' )
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delete = SubmitField('Delete' )
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def CalcAvgRating(sid):
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res=db.engine.execute( f"select round(avg(to_number(r.name, '99')),1) as rating from book b, rating r, series s, book_series_link bsl where s.id={sid} and s.id = bsl.series_id and bsl.book_id = b.id and b.rating = r.id and r.name ~ E'^\\\\d+$'" )
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for row in res:
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rating = row.rating
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return rating
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def ListOfSeriesWithMissingBooks():
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res=db.engine.execute("select id, title, num_books, count from ( select s.id, s.title, s.num_books, count(bsl.book_id) from series s, book_series_link bsl where s.id = bsl.series_id group by s.id ) as foo where num_books > count")
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tmp=[]
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for row in res:
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tmp.append({'id': row[0], 'title': row[1]})
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return tmp
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################################################################################
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# Routes for series data
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#
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# /seriess -> GET only -> prints out list of all seriess
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################################################################################
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@app.route("/seriess", methods=["GET"])
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@login_required
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def seriess():
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seriess = Series.query.all()
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return render_template("seriess.html", seriess=seriess, message=st.GetMessage(), alert=st.GetAlert())
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################################################################################
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# /series -> GET/POST -> creates a new series type and when created, takes you back to /seriess
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################################################################################
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@app.route("/series", methods=["GET", "POST"])
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@login_required
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def new_series():
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form = SeriesForm(request.form)
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page_title='Create new Series'
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if 'title' not in request.form:
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return render_template("series.html", form=form, page_title=page_title, message=st.GetMessage(), alert=st.GetAlert() )
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else:
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series = Series( title=request.form["title"], num_books=request.form["num_books"], note=request.form["note"], calcd_rating=0 )
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try:
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db.session.add(series)
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db.session.commit()
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st.SetMessage( f"Created new Series (id={series.id})" )
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return redirect( '/seriess' )
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except SQLAlchemyError as e:
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st.SetAlert( "danger" )
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st.SetMessage( f"<b>Failed to add Series:</b> {e.orig}" )
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return render_template("series.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
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################################################################################
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# /series/<id> -> GET/POST(save or delete) -> shows/edits/delets a single series
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################################################################################
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@app.route("/series/<id>", methods=["GET", "POST"])
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@login_required
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def series(id):
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### DDP: should this be request.form or request.values?
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form = SeriesForm(request.form)
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page_title='Edit Series'
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if request.method == 'POST':
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try:
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series = Series.query.get(id)
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if 'delete' in request.form:
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st.SetMessage( f"Successfully deleted (id={series.id}, title={series.title})" )
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series = Series.query.filter(Series.id==id).delete()
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if 'submit' in request.form and form.validate():
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st.SetMessage( f"Successfully Updated Series (id={id})" )
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series.title = request.form['title']
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series.num_books = request.form['num_books']
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series.calcd_rating = CalcAvgRating(id)
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series.note = request.form['note']
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else:
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message="<b>Failed to update Series:</b>"
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for field in form.errors:
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message= f"{message}<br>{field}={form.errors[field]}"
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st.SetAlert("danger")
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st.SetMessage(message)
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return render_template("edit_id_name.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
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db.session.commit()
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return redirect( '/seriess' )
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except SQLAlchemyError as e:
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st.SetAlert( "danger" )
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st.SetMessage( f"<b>Failed to modify Series:</b> {e.orig}" )
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return render_template("edit_id_name.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
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else:
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series = Series.query.get(id)
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form = SeriesForm(request.values, obj=series)
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return render_template("series.html", form=form, page_title=page_title, message=st.GetMessage(), alert=st.GetAlert() )
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################################################################################
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# /series/rating_reset -> forces a reset of calculated ratings of all series
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################################################################################
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@app.route("/seriess/rating_reset", methods=["GET"])
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@login_required
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def reset_all_series_ratings():
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s_list = Series.query.all()
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try:
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for s in s_list:
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s.calcd_rating = CalcAvgRating(s.id)
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db.session.commit()
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st.SetMessage("Successfully reset calculated average ratings for all series");
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return render_template("base.html", message=st.GetMessage(), alert=st.GetAlert() )
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except:
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st.SetAlert("danger")
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st.SetMessage("Failed to reset calculated average rating for all series");
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return render_template("base.html", message=st.GetMessage(), alert=st.GetAlert() )
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################################################################################
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# Gets the Series matching id from DB, helper func in jinja2 code to show books
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################################################################################
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def GetSeriesById(id):
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return Series.query.get(id).name
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