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added in loans support, also particular route for book_for_loan without markup used as div content on loan.html page via ajax load

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Damien De Paoli
2020-11-18 19:58:41 +11:00
parent 6a8d2731ac
commit d669ef71a4
1 changed files with 16 additions and 1 deletions
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17
main.py
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@@ -22,6 +22,7 @@ from condition import Condition, ConditionForm, ConditionSchema
from covertype import Covertype, CovertypeForm, CovertypeSchema
from owned import Owned, OwnedForm, OwnedSchema
from rating import Rating, RatingForm, RatingSchema
from loan import Loan, LoanForm, LoanSchema
####################################### CLASSES / DB model #######################################
book_author_link = db.Table('book_author_link', db.Model.metadata,
@@ -39,6 +40,11 @@ book_genre_link = db.Table('book_genre_link', db.Model.metadata,
db.Column('genre_id', db.Integer, db.ForeignKey('genre.id'))
)
class Book_Loan_Link(db.Model):
__tablename__ = "book_loan_link"
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), unique=True, nullable=False, primary_key=True)
loan_id = db.Column(db.Integer, db.ForeignKey('loan.id'), unique=True, nullable=False, primary_key=True)
class Book_Sub_Book_Link(db.Model):
__tablename__ = "book_sub_book_link"
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), unique=True, nullable=False, primary_key=True)
@@ -54,6 +60,7 @@ class Book(db.Model):
author = db.relationship('Author', secondary=book_author_link)
publisher = db.relationship('Publisher', secondary=book_publisher_link)
genre = db.relationship('Genre', secondary=book_genre_link )
loan = db.relationship('Loan', secondary=Book_Loan_Link.__table__);
year_published = db.Column(db.Integer)
condition = db.Column(db.Integer, db.ForeignKey('condition.id'))
covertype = db.Column(db.Integer, db.ForeignKey('covertype.id'))
@@ -80,6 +87,7 @@ class BookSchema(ma.SQLAlchemyAutoSchema):
author = ma.Nested(AuthorSchema, many=True)
publisher = ma.Nested(PublisherSchema, many=True)
genre = ma.Nested(GenreSchema, many=True)
loan = ma.Nested(LoanSchema, many=True)
parent_ref = ma.Nested(Book_Sub_Book_LinkSchema, many=True)
child_ref = ma.Nested(Book_Sub_Book_LinkSchema, many=True)
class Meta: model = Book
@@ -117,6 +125,14 @@ def books():
return render_template("books.html", books=books)
@app.route("/books_for_loan/<id>", methods=["GET"])
def books_for_loan(id):
# books = db.engine.execute ( "select * from book_loan_link where loan_id = {}".format( id ) )
print( id )
books = Book.query.join(Book_Loan_Link).filter(Book_Loan_Link.loan_id==id).order_by(Book.id).all()
print( books )
return render_template("books_for_loan.html", books=books)
@app.route("/book/<id>", methods=["GET"])
def book(id):
book = Book.query.get(id)
@@ -147,7 +163,6 @@ def book(id):
book_form.covertype.default = book.covertype
book_form.owned.default = book.owned
book_form.rating.default = book.rating
print(book_form)
book_form.process()
return render_template("book.html", books=book_s, subs=sub_book, book_form=book_form )