get participant list api (fixes#20)

backend/app.py

@@ -5,6 +5,7 @@
 from backend.extensions import db, mail, migrate, jwt
 from backend.blueprints import auth
 from backend.blueprints.contact import contact
+from backend.blueprints.participants import participants
 
 
 def create_app():
@@ -35,3 +36,4 @@ def initialize_extensions(app):
 def register_blueprints(app):
     app.register_blueprint(auth.auth_blueprint)
     app.register_blueprint(contact)
+    app.register_blueprint(participants)

backend/blueprints/participants.py

@@ -0,0 +1,16 @@
+from flask import Blueprint, jsonify, request
+from flask_jwt_extended import jwt_required
+from backend.models import Participant
+from backend.serializers.participant_serializer import participants_schema
+
+participants = Blueprint('participants', __name__)
+
+
+@participants.route('/participants', methods=['GET'])
+@jwt_required
+def get_participants_list():
+    participants_list = Participant.query.all()
+    if participants_list:
+        participants = participants_schema.dump(participants_list)
+        return jsonify({"participants": participants}), 200
+    return jsonify({"message": "participants not found"}), 404

backend/serializers/participant_serializer.py

@@ -0,0 +1,16 @@
+from marshmallow import Schema, fields, validate
+
+
+class ParticipantSchema(Schema):
+    class Meta:
+        fields = ('name', 'lastname', 'email', 'github', 'phone')
+
+    name = fields.Str(required=True, validate=[validate.Length(max=50)])
+    lastname = fields.Str(validate=[validate.Length(max=50)])
+    email = fields.Email(validate=[validate.Length(max=200)])
+    github = fields.Str(validate=[validate.Length(max=200)])
+    phone = fields.Str(validate=[validate.Length(max=13)])
+
+
+participant_schema = ParticipantSchema()
+participants_schema = ParticipantSchema(many=True)