Service - Media Manager

Overview

Each media type is handled by a Service - Media (handlers) service.

The Media Manager service handles shared orchestration of the Media Handler services.

Repository

https://bitbucket.org/izara-core-media/izara-core-media-media-manager/src/master/

DynamoDB tables

Standard Config Table Per Service

Configuration tags

{
	configKey: "MediaGraphServiceName"
	configTag: "MediaGraphServiceName"
	configValue: xxx // eg: "MediaGraph"
}

{
	configKey: "MediaHandlerService"
	configTag: xxx // mediaHandlerServiceNameTag, eg: "MediaStandard", this is what is saved in each media node
	configValue: {
		serviceName: xxx // eg: "ImageStandard", this is the actual deployed service name}
	}
}

Media

Records which Handler manages each media element

{
	mediaId
	mediaHandlerServiceNameTag
}

• partition key: mediaId
• sort key: (none)

Service - Media Graph

Nodes

{
	nodeLabel: "mediaProperty",
	schema: {
		identifier: true,
		restrictProperties: true,
		restrictRelationships: true,
		properties: {
			propertyId: {
				identifier: true, //(random uuid)
			},
			mediaId: {
				immutable: true,
			},
		},
	}
}

{
	nodeLabel: "mediaPropertyName",
	schema: {
		identifier: true,
		restrictProperties: true,
		restrictRelationships: true,
		properties: {
			propertyId: {
				identifier: true,
			},
		},
	}
}

{
	nodeLabel: "mediaPropertyValue",
	schema: {
		identifier: true,
		restrictProperties: true,
		restrictRelationships: true,
		properties: {
			propertyId: {
				identifier: true,
			},
		},
	}
}

Relationships

{
	relationshipType: "hasMediaProperty",
	schema: {
		elementCanBeRemoved: true,
		allPropertiesImmutable: true,
		restrictProperties: true,
		properties: {
			originTimestamp: //timestamp the request to create/change this relationship was sent
		},
	}
}

{
	relationshipType: "disabledMediaProperty",
	schema: {
		elementCanBeRemoved: true,
		allPropertiesImmutable: true,
		restrictProperties: true,
		properties: {
			originTimestamp: //timestamp the request to create/change this relationship was sent
		},
	}
}

• links a Media node to it's Properties

Basic node schemas

mediaPropertyName

• Service - Translations Graph

mediaPropertyValue

• Service - Translations Graph

Working documents

Media Manager