Add schemas, endpoints and supporting tests

app/__init__.py

@@ -110,9 +110,11 @@ def register_blueprint(application):
 def register_v2_blueprints(application):
     from app.v2.notifications.post_notifications import notification_blueprint as post_notifications
     from app.v2.notifications.get_notifications import notification_blueprint as get_notifications
+    from app.v2.template.get_template import template_blueprint
 
     application.register_blueprint(post_notifications)
     application.register_blueprint(get_notifications)
+    application.register_blueprint(template_blueprint)
 
 
 def init_app(app):

app/models.py

@@ -320,6 +320,21 @@ class Template(db.Model):
             _external=True
         )
 
+    def serialize(self):
+
+        serialized = {
+            "id": self.id,
+            "type": self.template_type,
+            "created_at": self.created_at.strftime(DATETIME_FORMAT),
+            "updated_at": self.updated_at.strftime(DATETIME_FORMAT) if self.updated_at else None,
+            "created_by": self.created_by.email_address,
+            "version": self.version,
+            "body": self.content,
+            "subject": self.subject if self.template_type == EMAIL_TYPE else None
+        }
+
+        return serialized
+
 
 class TemplateHistory(db.Model):
     __tablename__ = 'templates_history'
@@ -343,6 +358,21 @@ class TemplateHistory(db.Model):
                              nullable=False,
                              default=NORMAL)
 
+    def serialize(self):
+
+        serialized = {
+            "id": self.id,
+            "type": self.template_type,
+            "created_at": self.created_at.strftime(DATETIME_FORMAT),
+            "updated_at": self.updated_at.strftime(DATETIME_FORMAT) if self.updated_at else None,
+            "created_by": self.created_by.email_address,
+            "version": self.version,
+            "body": self.content,
+            "subject": self.subject if self.template_type == EMAIL_TYPE else None
+        }
+
+        return serialized
+
 
 MMG_PROVIDER = "mmg"
 FIRETEXT_PROVIDER = "firetext"

app/v2/template/__init__.py

@@ -0,0 +1,7 @@
+from flask import Blueprint
+
+from app.v2.errors import register_errors
+
+template_blueprint = Blueprint("v2_template", __name__, url_prefix='/v2/template')
+
+register_errors(template_blueprint)

app/v2/template/get_template.py

@@ -0,0 +1,31 @@
+import uuid
+
+from flask import jsonify, request
+from werkzeug.exceptions import abort
+
+from app import api_user
+from app.dao import templates_dao
+from app.schema_validation import validate
+from app.v2.template import template_blueprint
+from app.v2.template.template_schemas import get_template_by_id_request
+
+
+@template_blueprint.route("/<template_id>", methods=['GET'])
+@template_blueprint.route("/<template_id>/version/<version>", methods=['GET'])
+def get_template_by_id(template_id, version=None):
+    try:
+        casted_id = uuid.UUID(template_id)
+
+        _data = {}
+        _data['id'] = template_id
+        if version:
+            _data['version'] = int(version)
+
+        data = validate(_data, get_template_by_id_request)
+    except ValueError or AttributeError:
+        abort(404)
+
+    template = templates_dao.dao_get_template_by_id_and_service_id(
+        casted_id, api_user.service_id, data.get('version'))
+
+    return jsonify(template.serialize()), 200

app/v2/template/template_schemas.py

@@ -0,0 +1,41 @@
+from app.models import TEMPLATE_TYPES
+from app.schema_validation.definitions import uuid
+
+
+get_template_by_id_request = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "schema for query parameters allowed when getting list of notifications",
+    "type": "object",
+    "properties": {
+        "id": uuid,
+        "version": {"type": ["integer", "null"], "minimum": 1}
+    },
+    "required": ["id"],
+    "additionalProperties": False,
+}
+
+get_template_by_id_response = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "GET template by id schema response",
+    "type": "object",
+    "title": "reponse v2/template",
+    "properties": {
+        "id": uuid,
+        "type": {"enum": TEMPLATE_TYPES},
+        "created_at": {
+            "format": "date-time",
+            "type": "string",
+            "description": "Date+time created"
+        },
+        "updated_at": {
+            "format": "date-time",
+            "type": "string",
+            "description": "Date+time updated"
+        },
+        "created_by": {"type": "string"},
+        "version": {"type": "integer"},
+        "body": {"type": "string"},
+        "subject": {"type": ["string", "null"]}
+    },
+    "required": ["id", "type", "created_at", "updated_at", "version", "created_by", "body"]
+}