Working Flask Endpoints

Author: kbehlers

app.py

@@ -0,0 +1,80 @@
+from flask import Flask, request, jsonify
+from flask_sqlalchemy import SQLAlchemy
+from flask_marshmallow import Marshmallow
+import os
+app = Flask(__name__)
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(basedir, 'app.sqlite')
+db = SQLAlchemy(app)
+ma = Marshmallow(app)
+
+#inherits from the SQULAlchemy(app) object
+class Guide(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(100), unique=False)
+    content = db.Column(db.String(144), unique=False)
+
+    def __init__(self, title, content):
+        self.title = title
+        self.content = content
+
+class GuideSchema(ma.Schema):
+    class Meta:
+        fields = ('title', 'content')
+
+
+guide_schema = GuideSchema()
+guides_schema = GuideSchema(many=True)
+
+#Endpoint to Create a New Guide
+@app.route('/guide', methods=["POST"])
+def add_guide():
+    #request is imported from the flask library
+    title = request.json['title']
+    content = request.json['content']
+
+    new_guide = Guide(title, content)
+
+    db.session.add(new_guide)
+    db.session.commit()
+    #After committing, see if the entry is there
+    guide = Guide.query.get(new_guide.id)
+    return guide_schema.jsonify(guide)
+
+
+#Endpoint to query all guides
+@app.route("/guides", methods=["GET"])
+def get_guides():
+    all_guides= Guide.query.all()
+    result = guides_schema.dump(all_guides)
+    return jsonify(result)
+
+#Endpoint to query for a single guide
+@app.route("/guide/<id>", methods=["GET"])
+#parameter id comes from the URL variable <id>
+def get_guide(id):
+    single_guide = Guide.query.get(id)
+    return guide_schema.jsonify(single_guide)
+
+#Endpoint to update a single guide
+@app.route("/guide/<id>", methods=["PUT"])
+def update_guide(id):
+    guide = Guide.query.get(id)
+    title = request.json['title']
+    content = request.json['content']
+    guide.title = title
+    guide.content = content
+    db.session.commit()
+    return guide_schema.jsonify(guide)
+
+#Endpoint for deleting a guide
+@app.route("/guide/<id>", methods=["DELETE"])
+def delete_guide(id):
+    guide = Guide.query.get(id)
+    db.session.delete(guide)
+    db.session.commit()
+    return guide_schema.jsonify(guide)
+
+if __name__ == '__main__':
+    app.run(debug=True)