feat: LatestClaimValue method

decentralized-identity · Apr 7, 2020 · 8df54b8 · 8df54b8
1 parent 12ff8eb
commit 8df54b8
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Showing 3 changed files with 31 additions and 4 deletions.
diff --git a/docs/Docs.md b/docs/Docs.md
@@ -652,6 +652,8 @@ console.log(identity.receivedClaims) // [Claim(type: 'name', value: 'Alice'), ..
 ```graphql
 query {
   identity(did: "did:example:123") {
+    name: latestClaimValue(type: "name")
+    profilePicture: latestClaimValue(type: "profilePicture")
     receivedClaims {
       type
       value

diff --git a/packages/daf-core/src/entities/identity.ts b/packages/daf-core/src/entities/identity.ts
@@ -69,4 +69,28 @@ export class Identity extends BaseEntity {
     claim => claim.subject,
   )
   receivedClaims: Claim[]
+
+  /**
+   * Convenience method
+   *
+   * const name = await identity.getLatestClaimValue({type: 'name'})
+   *
+   * @param where
+   */
+  async getLatestClaimValue(where: { type: string }): Promise<String> {
+    const claim = await Claim.findOne({
+      where: {
+        ...where,
+        subject: this.did,
+      },
+      order: {
+        issuanceDate: 'DESC',
+      },
+    })
+    return claim?.value
+  }
+
+  shortDid() {
+    return `${this.did.slice(0, 15)}...${this.did.slice(-4)}`
+  }
 }
diff --git a/packages/daf-core/src/graphql/graphql-core.ts b/packages/daf-core/src/graphql/graphql-core.ts
@@ -151,8 +151,9 @@ export const resolvers = {
   },
 
   Identity: {
-    shortId: async (identity: Identity) => `${identity.did.slice(0, 15)}...${identity.did.slice(-4)}`,
-    profileImage: async (identity: Identity) => null,
+    shortDid: async (identity: Identity) => (await Identity.findOne(identity.did)).shortDid(),
+    latestClaimValue: async (identity: Identity, args: { type: string }) =>
+      (await Identity.findOne(identity.did)).getLatestClaimValue({ type: args.type }),
     sentMessages: async (identity: Identity) =>
       (await Identity.findOne(identity.did, { relations: ['sentMessages'] })).sentMessages,
     receivedMessages: async (identity: Identity) =>
@@ -263,8 +264,8 @@ export const typeDefs = `
 
 
   extend type Identity {
-    shortId: String!
-    profileImage: String
+    shortDid: String!
+    latestClaimValue(type: String): String
     sentMessages: [Message]
     receivedMessages: [Message]
     issuedPresentations: [Presentation]