added target entity

.gitignore

@@ -145,3 +145,4 @@ cython_debug/
 # End of https://www.toptal.com/developers/gitignore/api/python
 
 *.db
+!api/target

api/__init__.py

@@ -1,5 +1,5 @@
 from flask import Flask, Blueprint
-from . import commands, login, target_exchange
+from . import commands, login, target_exchange, target
 from .settings import ProdConfig, Config
 from .extensions import db, migrate, jwt, apispec
 from .exceptions import ApiException
@@ -40,6 +40,8 @@ def register_blueprints(app: Flask):
         login.views.blueprint, url_prefix='/login')
     api_blueprint.register_blueprint(
         target_exchange.views.blueprint, url_prefix='/target-exchange')
+    api_blueprint.register_blueprint(
+        target.views.blueprint, url_prefix='/target')
 
     app.register_blueprint(api_blueprint)
 
@@ -80,7 +82,8 @@ def register_shellcontext(app: Flask):
         """Shell context objects."""
         return {
             'db': db,
-            'TargetExchange': target_exchange.models.TargetExchange
+            'TargetExchange': target_exchange.models.TargetExchange,
+            'Target': target.models.Target
         }
 
     app.shell_context_processor(shell_context)

api/target/__init__.py

@@ -0,0 +1,3 @@
+"""Target view"""
+
+from . import views, models

api/target/models.py

@@ -0,0 +1,12 @@
+from api.database import (Model, SurrogatePK, db,
+                          Column, reference_col, relationship)
+from sqlalchemy import String
+
+from api.target_exchange.models import TargetExchange
+
+class Target(SurrogatePK, Model):
+    __tablename__ = "target"
+    name = Column(String(255), unique=True, nullable=False)
+    routing_key = Column(String(255), nullable=False)
+    target_exchange_id = reference_col(TargetExchange.__tablename__, nullable=False)
+    exchange = relationship(TargetExchange.__name__, backref=db.backref('targets'))

api/target/serializers.py

@@ -0,0 +1,11 @@
+from marshmallow import Schema, fields
+from api.target_exchange.serializers import TargetExchangeSchema
+
+class TargetSchema(Schema):
+    id = fields.Int()
+    name = fields.Str()
+    routing_key = fields.Str(required=True)
+    exchange = fields.Nested(TargetExchangeSchema)
+
+target_schema = TargetSchema()
+targets_schema = TargetSchema(many=True)

api/target/views.py

@@ -0,0 +1,60 @@
+from flask import Blueprint
+from flask_jwt_extended import jwt_required
+from flask_apispec import use_kwargs, marshal_with, doc
+from marshmallow import fields
+
+from api.exceptions import NotFoundException
+from api.target_exchange.models import TargetExchange
+
+from .models import Target
+from .serializers import target_schema, targets_schema
+
+blueprint = Blueprint('target', __name__)
+
+
+@doc(tags=['Target'])
+@blueprint.route('', methods=['GET'])
+@jwt_required()
+@use_kwargs({'exchange': fields.Str()})
+@marshal_with(targets_schema)
+def get_list(exchange=None):
+    res = Target.query
+    if exchange is not None:
+        res = res.join(Target.exchange).filter(TargetExchange.name == exchange)
+    return res.all()
+
+
+@doc(tags=['Target'])
+@blueprint.route('', methods=['POST'])
+@jwt_required()
+@use_kwargs(target_schema)
+@marshal_with(target_schema)
+def create(name):
+    target = Target(name=name)
+    target.save()
+    return target
+
+
+@doc(tags=['Target'])
+@blueprint.route('/<id>', methods=['GET'])
+@jwt_required()
+@marshal_with(target_schema)
+def get_by_id(id):
+    target_exchange = Target.get_by_id(id)
+    if target_exchange is not None:
+        return target_exchange
+    else:
+        return NotFoundException(Target.__name__)
+
+
+@doc(tags=['Target'])
+@blueprint.route('/<id>', methods=['PUT'])
+@jwt_required()
+@use_kwargs(target_schema)
+@marshal_with(target_schema)
+def update(id, **kwargs):
+    target_exchange = Target.get_by_id(id)
+    if target_exchange is not None:
+        return target_exchange.update(**kwargs)
+    else:
+        return NotFoundException(Target.__name__)

migrations/versions/294a2085f840_added_targets.py

@@ -0,0 +1,36 @@
+"""added targets
+
+Revision ID: 294a2085f840
+Revises: 14ceaaaa6e85
+Create Date: 2021-09-21 21:20:27.226540
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '294a2085f840'
+down_revision = '14ceaaaa6e85'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('target',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.Column('routing_key', sa.String(length=255), nullable=False),
+    sa.Column('target_exchange_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['target_exchange_id'], ['target-exchange.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('target')
+    # ### end Alembic commands ###