adds target-exchange and initial migrations

api/__init__.py

@@ -1,5 +1,5 @@
 from flask import Flask, Blueprint
-from . import commands, login
+from . import commands, login, target_exchange
 from .settings import ProdConfig, Config
 from .extensions import db, migrate, jwt
 from .exceptions import ApiException
@@ -35,6 +35,7 @@ def register_blueprints(app: Flask):
     api_blueprint = Blueprint('api', __name__, url_prefix='/api')
 
     api_blueprint.register_blueprint(login.views.blueprint, url_prefix='/login')
+    api_blueprint.register_blueprint(target_exchange.views.blueprint, url_prefix='/target-exchange')
 
     app.register_blueprint(api_blueprint)
 

api/exceptions.py

@@ -14,8 +14,8 @@ class ApiException(Exception):
         return rv
 
 class NotFoundException(ApiException):
-    def __init__(self, message) -> None:
-        super().__init__(404, message)
+    def __init__(self, entity_name) -> None:
+        super().__init__(404, f'{entity_name} could not be found')
 
 class BadRequestException(ApiException):
     def __init__(self, message) -> None:

api/target_exchange/__init__.py

@@ -0,0 +1,3 @@
+"""exchange management"""
+
+from . import views

api/target_exchange/models.py

@@ -0,0 +1,10 @@
+from api.database import (Model, SurrogatePK, db,
+                          Column, reference_col, relationship)
+
+
+class TargetExchange(SurrogatePK, Model):
+    __tablename__ = "target-exchange"
+    name = Column(db.String(255), unique=True, nullable=False)
+
+    def __init__(self, name, **kwargs) -> None:
+        Model.__init__(self, name=name, **kwargs)

api/target_exchange/serializers.py

@@ -0,0 +1,8 @@
+from marshmallow import Schema, fields
+
+class TargetExchangeSchema(Schema):
+    id = fields.Int()
+    name = fields.Str()
+
+target_exchange_schema = TargetExchangeSchema()
+target_exchanges_schema = TargetExchangeSchema(many=True)

api/target_exchange/views.py

@@ -0,0 +1,49 @@
+from flask import Blueprint
+from flask_jwt_extended import jwt_required
+from flask_apispec import use_kwargs, marshal_with
+
+from api.exceptions import NotFoundException
+
+from .models import TargetExchange
+from .serializers import target_exchange_schema, target_exchanges_schema
+
+blueprint = Blueprint('target_exchange', __name__)
+
+
+@blueprint.route('', methods=['GET'])
+@jwt_required()
+@marshal_with(target_exchanges_schema)
+def get_list():
+    return TargetExchange.query.all()
+
+
+@blueprint.route('', methods=['POST'])
+@jwt_required()
+@use_kwargs(target_exchange_schema)
+@marshal_with(target_exchange_schema)
+def create(name):
+    target_exchange = TargetExchange(name=name)
+    target_exchange.save()
+    return target_exchange
+
+
+@blueprint.route('/<id>', methods=['GET'])
+@jwt_required()
+@marshal_with(target_exchange_schema)
+def get_by_id(id):
+    target_exchange = TargetExchange.get_by_id(id)
+    if target_exchange is not None:
+        return target_exchange
+    else:
+        return NotFoundException(__name__)
+
+@blueprint.route('/<id>', methods=['PUT'])
+@jwt_required()
+@use_kwargs(target_exchange_schema)
+@marshal_with(target_exchange_schema)
+def update(id, **kwargs):
+    target_exchange = TargetExchange.get_by_id(id)
+    if target_exchange is not None:
+        return target_exchange.update(**kwargs)
+    else:
+        return NotFoundException(__name__)