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added comment documentation on DDO related classes #79

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This commit is contained in:
Pedro Gutiérrez 2019-01-09 16:08:08 +01:00
parent b9dfdc5118
commit b2d2271e50
5 changed files with 206 additions and 24 deletions
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23
src/ddo/AdditionalInformation.ts
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@ -1,7 +1,24 @@
import StructuredMarkup from "./StructuredMarkup"
/**
* Additional Information of Assets Metadata.
* @see https://github.com/oceanprotocol/OEPs/tree/master/8#additional-information
*/
export default class AdditionalInformation {
/**
* An indication of update latency - i.e. How often are updates expected (seldom,
* annually, quarterly, etc.), or is the resource static that is never expected
* to get updated.
* @type {string}
* @example "yearly"
*/
public updateFrecuency: string = "yearly"
/**
* A link to machine-readable structured markup (such as ttl/json-ld/rdf)
* describing the dataset.
* @type {StructuredMarkup[]}
*/
public structuredMarkup: StructuredMarkup[] = [
{
uri: "http://skos.um.es/unescothes/C01194/jsonld",
@ -12,5 +29,11 @@ export default class AdditionalInformation {
mediaType: "text/turtle",
} as StructuredMarkup,
]
/**
* Checksum of attributes to be able to compare if there are changes in
* the asset that you are purchasing.
* @type {string}
*/
public checksum: string
}

23
src/ddo/Curation.ts
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@ -1,5 +1,26 @@
/**
* Curation attributes of Assets Metadata.
* @see https://github.com/oceanprotocol/OEPs/tree/master/8#curation-attributes
*/
export default class Curation {
/**
* Decimal value between 0 and 1. 0 is the default value.
* @type {number}
* @example 0.93
*/
public rating: number = 0.93
/**
* Number of votes. 0 is the default value.
* @type {number}
* @example 123
*/
public numVotes: number = 123
public schema: string = "Binary Votting"
/**
* Schema applied to calculate the rating.
* @type {number}
* @example "Binary Votting"
*/
public schema?: string = "Binary Votting"
}

38
src/ddo/DDO.ts
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@ -2,12 +2,26 @@ import Authentication from "./Authentication"
import PublicKey from "./PublicKey"
import Service from "./Service"
/**
* DID Descriptor Object.
* Contains all the data related to an asset.
*/
export default class DDO {
/**
* Serializes the DDO object.
* @param {DDO} DDO to be serialized.
* @return {string} DDO serialized.
*/
public static serialize(ddo: DDO): string {
return JSON.stringify(ddo, null, 2)
}
/**
* Deserializes the DDO object.
* @param {DDO} DDO to be deserialized.
* @return {string} DDO deserialized.
*/
public static deserialize(ddoString: string): DDO {
const ddo = JSON.parse(ddoString)
@ -15,6 +29,10 @@ export default class DDO {
}
public "@context": string = "https://w3id.org/future-method/v1"
/**
* DID, descentralized ID.
* @type {string}
*/
public id: string
public publicKey: PublicKey[]
public authentication: Authentication[]
@ -26,14 +44,18 @@ export default class DDO {
authentication?: Authentication[],
service?: Service[],
}) {
this.authentication = ddo ? ddo.authentication ? ddo.authentication : [] : []
this.id = ddo ? ddo.id ? ddo.id : null : null
this.publicKey = ddo ? ddo.publicKey ? ddo.publicKey : [] : []
this.service = ddo ? ddo.service ? ddo.service : [] : []
this.authentication = (ddo && ddo.authentication) || []
this.id = (ddo && ddo.id) || null
this.publicKey = (ddo && ddo.publicKey) || []
this.service = (ddo && ddo.service) || []
}
/**
* Finds a service of a DDO by ID.
* @param {string} serviceDefinitionId Service ID.
* @return {Service} Service.
*/
public findServiceById(serviceDefinitionId: string): Service {
if (!serviceDefinitionId) {
throw new Error("serviceDefinitionId not set")
}
@ -43,8 +65,12 @@ export default class DDO {
return service
}
/**
* Finds a service of a DDO by type.
* @param {string} serviceType Service type.
* @return {Service} Service.
*/
public findServiceByType(serviceType: string): Service {
if (!serviceType) {
throw new Error("serviceType not set")
}

9
src/ddo/MetaData.ts
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@ -58,11 +58,8 @@ export default class MetaData {
public curation: Curation
constructor(metaData?: MetaData) {
this.additionalInformation = metaData ?
metaData.additionalInformation ? metaData.additionalInformation :
additionalInformation : additionalInformation
this.base = metaData ? metaData.base ? metaData.base : base : base
this.curation = metaData ? metaData.curation ? metaData.curation : curation : curation
this.additionalInformation = (metaData && metaData.additionalInformation) || additionalInformation
this.base = (metaData && metaData.base) || base
this.curation = (metaData && metaData.curation) || curation
}
}

135
src/ddo/MetaDataBase.ts
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@ -1,21 +1,116 @@
/**
* Base attributes of Assets Metadata.
* @see https://github.com/oceanprotocol/OEPs/tree/master/8#base-attributes
*/
export default class MetaDataBase {
/**
* Descriptive name of the Asset.
* @type {string}
* @example "UK Weather information 2011"
*/
public name: string = "UK Weather information 2011"
public type: string = "dataset"
public description: string = "Weather information of UK including temperature and humidity"
public size: string = "3.1gb"
/**
* Type of the Asset. Helps to filter by the type of asset,
* initially ("dataset", "algorithm", "container", "workflow", "other").
* @type {string}
* @example "dataset"
*/
public type: "dataset" | "algorithm" | "container" | "workflow" | "other" = "dataset"
/**
* Details of what the resource is. For a dataset, this attribute
* explains what the data represents and what it can be used for.
* @type {string}
* @example "Weather information of UK including temperature and humidity"
*/
public description?: string = "Weather information of UK including temperature and humidity"
/**
* The date on which the asset was created or was added.
* @type {string}
* @example "2012-10-10T17:00:000Z"
*/
public dateCreated: string = "2012-10-10T17:00:000Z"
/**
* Size of the asset (e.g. 18MB). In the absence of a unit (MB, kB etc.), kB will be assumed.
* @type {string}
* @example "3.1gb"
*/
public size: string = "3.1gb"
/**
* Name of the entity generating this data (e.g. Tfl, Disney Corp, etc.).
* @type {string}
* @example "Met Office"
*/
public author: string = "Met Office"
/**
* Short name referencing the license of the asset (e.g. Public Domain, CC-0, CC-BY, No License Specified, etc. ).
* If it's not specified, the following value will be added: "No License Specified".
* @type {string}
* @example "CC-BY"
*/
public license: string = "CC-BY"
public copyrightHolder: string = "Met Office"
public encoding: string = "UTF-8"
public compression: string = "zip"
/**
* The party holding the legal copyright. Empty by default.
* @type {string}
* @example "Met Office"
*/
public copyrightHolder?: string = "Met Office"
/**
* File encoding.
* @type {string}
* @example "UTF-8"
*/
public encoding?: string = "UTF-8"
/**
* File compression (e.g. no, gzip, bzip2, etc).
* @type {string}
* @example "zip"
*/
public compression?: string = "zip"
/**
* File format, if applicable.
* @type {string}
* @example "text/csv"
*/
public contentType: string = "text/csv"
public workExample: string = "423432fsd,51.509865,-0.118092,2011-01-01T10:55:11+00:00,7.2,68"
/**
* Example of the concept of this asset. This example is part
* of the metadata, not an external link.
* @type {string}
* @example "423432fsd,51.509865,-0.118092,2011-01-01T10:55:11+00:00,7.2,68"
*/
public workExample?: string = "423432fsd,51.509865,-0.118092,2011-01-01T10:55:11+00:00,7.2,68"
/**
* List of content URLs resolving the Asset files.
* @type {string | string[]}
* @example "https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip"
*/
public contentUrls: string | string[] = [
"https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip",
"https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip",
]
public links: any[] = [
/**
* Mapping of links for data samples, or links to find out more information.
* Links may be to either a URL or another Asset. We expect marketplaces to
* converge on agreements of typical formats for linked data: The Ocean Protocol
* itself does not mandate any specific formats as these requirements are likely
* to be domain-specific.
* @type {any[]}
*/
public links?: any[] = [
{
sample1: "http://data.ceda.ac.uk/badc/ukcp09/data/gridded-land-obs/gridded-land-obs-daily/",
},
@ -26,7 +121,27 @@ export default class MetaDataBase {
fieldsDescription: "http://data.ceda.ac.uk/badc/ukcp09/",
},
]
public inLanguage: string = "en"
public tags: string = "weather, uk, 2011, temperature, humidity"
/**
* The language of the content. Please use one of the language
* codes from the {@link https://tools.ietf.org/html/bcp47 IETF BCP 47 standard}.
* @type {String}
* @example "en"
*/
public inLanguage?: string = "en"
/**
* Keywords or tags used to describe this content. Multiple entries in a keyword
* list are typically delimited by commas. Empty by default.
* @type {String}
* @example "weather, uk, 2011, temperature, humidity"
*/
public tags?: string = "weather, uk, 2011, temperature, humidity"
/**
* Price of the asset.
* @type {String}
* @example 10
*/
public price: number = 10
}