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using font awesome, datatables, bootstrap and fixed so class attributes are serialized via marshmallow and it all works with jinja2 now

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Damien De Paoli
2020-11-04 19:26:36 +11:00
parent 3a42b944df
commit 2a7cbe5845
3 changed files with 67 additions and 21 deletions
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46
main.py
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@@ -2,13 +2,14 @@ from flask import Flask
from flask import render_template
from flask import request
from flask_sqlalchemy import SQLAlchemy
import logging
from flask_marshmallow import Marshmallow
DB_URL = 'postgresql+psycopg2://ddp:NWNlfa01@127.0.0.1:5432/library'
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = DB_URL
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
ma = Marshmallow(app)
####################################### CLASSES / DB model #######################################
book_author_link = db.Table('book_author_link', db.Model.metadata,
@@ -19,22 +20,51 @@ book_author_link = db.Table('book_author_link', db.Model.metadata,
class Book(db.Model):
id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
title = db.Column(db.String(100), unique=True, nullable=False)
year_published = db.Column(db.Integer)
rating = db.Column(db.String(20))
condition = db.Column(db.String(20))
owned = db.Column(db.String(20))
covertype = db.Column(db.String(20))
notes = db.Column(db.Text)
blurb = db.Column(db.Text)
created = db.Column(db.Date)
modified = db.Column(db.Date)
author = db.relationship('Author', secondary=book_author_link)
def __repr__(self):
return "<title: {}, id: {} author: {} author.firstnames {}>".format(self.title, self.id, self.author, self.id )
# return "<title: {}, id: {} author: {} author.firstnames {}>".format(self.title, self.id, self.author, self.author.firstnames )
return "<title: {}, id: {} author: {}>".format(self.title, self.id, self.author )
class Author(db.Model):
id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
firstnames = db.Column(db.String(50), unique=False, nullable=False)
surname = db.Column(db.String(30), unique=False, nullable=False)
# book = db.relationship('Book', secondary=book_author_link )
book = db.relationship('Book', secondary=book_author_link )
def __repr__(self):
return "<firstnames: {}, surname: {}>".format(self.firstnames, self.surname )
# return "<firstnames: {}, surname: {}, book: {}>".format(self.firstnames, self.surname, self.book)
return "<firstnames: {}, surname: {}, book: {}>".format(self.firstnames, self.surname, self.book)
### setup serializer schemas, to make returning books/authors easier
class AuthorSchema(ma.SQLAlchemyAutoSchema):
class Meta:
model = Author
include_relationships = True
load_instance = True
class BookSchema(ma.SQLAlchemyAutoSchema):
author = ma.Nested(AuthorSchema, many=True)
class Meta:
model = Book
include_relationships = True
load_instance = True
book_schema = BookSchema()
author_schema = AuthorSchema()
print( book_schema )
####################################### ROUTES #######################################
@app.route("/books", methods=["GET"])
@@ -47,8 +77,8 @@ def books():
@app.route("/book/<id>", methods=["GET"])
def book(id):
book = Book.query.get(id)
print( book )
return render_template("books.html", books=book )
book_s = book_schema.dump(book)
return render_template("books.html", books=book_s )
@app.route("/authors", methods=["GET"])
def author():